System.Data.SQLite

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Difference From 147afad4ff71bd6e To faaaeb7bd77a6fd5

2008-10-05
15:35
1.0.60.0 check-in: c425f2d2e9 user: rmsimpson tags: sourceforge
2008-09-22
16:27
1.0.59.0 check-in: 147afad4ff user: rmsimpson tags: sourceforge
16:18
1.0.59.0 check-in: 4d6b467497 user: rmsimpson tags: sourceforge
2008-09-02
15:46
pre 1.0.59.0 check-in: c0dab1edea user: rmsimpson tags: sourceforge
2008-08-11
21:12
1.0.56.0 check-in: faaaeb7bd7 user: rmsimpson tags: sourceforge
2008-08-08
05:42
1.0.56.0 beta check-in: 85ed84191d user: rmsimpson tags: sourceforge

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<configuration>
  <system.data>
    <DbProviderFactories>
      <remove invariant="System.Data.SQLite"/>
      <add name="SQLite Data Provider" invariant="System.Data.SQLite" 
           description=".Net Framework Data Provider for SQLite"
           type="System.Data.SQLite.SQLiteFactory, System.Data.SQLite,
                 Version=1.0.59.0, Culture=neutral,
                 Version=1.0.56.0, Culture=neutral,
                 PublicKeyToken=db937bc2d44ff139"/>
    </DbProviderFactories>
  </system.data>
</configuration>
</pre>
      </div>
      <p>
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          </td>
        </tr>
      </table>
    </div>
    <div id="mainSection">
    <div id="mainBody">
    <h1 class="heading">Version History</h1>
    <p><b>1.0.59.0 - September 22, 2008</b></p>
    <ul>
      <li>Code merge with SQLite 3.6.3.&nbsp; Solves 
        a couple different EF issues that were either giving inconsistent results or 
        crashing the engine.</li>
      <li>Fixed the parsing of literal binaries in the EF SqlGen code.&nbsp; SQLite now 
        passes nearly all the testcases in 
        <a href="http://sqlite.phxsoftware.com/forums/p/1377/5921.aspx#5921">Microsoft's EF Query Samples</a> application -- 
        the exception being the <i>datetimeoffset </i>and<i> time</i> constants tests, and tests 
        that use the <i>APPLY </i>keyword which are unsupported for now.</li>
      <li>Revamped the Compact Framework mixed-mode assembly.&nbsp; Tired of playing cat 
        and mouse with the Compact Framework&#39;s support for mixed-mode assemblies.&nbsp; 
        The CF build now requires that you distribute both the System.Data.SQLite 
        library and the paired SQLite.Interop.XXX library.&nbsp;&nbsp; The XXX denotes 
        the build number of the library.</li>
      <li>Implemented a workaround for Vista&#39;s overzealous caching by turning off 
        FILE_FLAG_RANDOM_ACCESS for OS versions above XP.&nbsp; This is implemented 
        as a custom (default override) VFS in the interop.c file, so no changes are made 
        to the SQLite source code.</li>
      <li>Fixed some registry issues in the designer install.exe, which prevented some 
        design-time stuff from working on the Compact Framework when .NET 3.5 was 
        installed.</li>
    </ul>
    <p><b>1.0.58.0 - August 30, 2008</b></p>
    <ul>
      <li>Code merge with SQLite 3.6.2.&nbsp; If only I&#39;d waited one more day to release 
        57!&nbsp; Several LINQ issues have been resolved with this engine release 
        relating to deeply-nested subqueries that the EF SqlGen creates.</li>
      <li>Fixed the Rollback SQLiteConnection event to not require a connection be 
        opened first.</li>
    </ul>
    <p><b>1.0.57.0 - August 29, 2008</b></p>
    <ul>
      <li>Compiled against 3.6.1 with checkin
        <a href="http://www.sqlite.org/cvstrac/tktview?tn=3300">#3300</a> resolved, 
        which fixes an Entity Framework bug I was seeing.&nbsp; I currently have 3 other 
        tickets out on the engine, which are not yet resolved and relate to EF.</li>
      <li>Fixed decimal types to store and fetch using InvariantCulture.&nbsp; If you&#39;re 
        using decimal datatypes in your database and were affected by the 56 release, 
        please issue an UPDATE &lt;table&gt; SET &lt;column&gt; = REPLACE(&lt;column&gt;, &#39;,&#39;, &#39;.&#39;);&nbsp; 
        to fix the decimal separators.&nbsp; Apologies for not testing that more 
        thoroughly before releasing 56.</li>
      <li>Too many LINQ fixes to list.&nbsp; Fixed views so they generate, 
        fixed the LIMIT clause, implemented additional functionality and removed unnecessary code.</li>
      <li>Fixed foreign key names in the designer so viewing the SQL script on a new 
        unsaved table after renaming it in the properties toolwindow will reflect in the 
        script properly.</li>
      <li>Fixed the Update and Commit events on SQLiteConnection so they don&#39;t require 
        the connection to be opened first.</li>
      <li>Fixed userdef aggregate functions so they play nice with each other when 
        appearing multiple times in the same statement.</li>
      <li>Fixed the editing and saving of default values in the table designer.</li>
      <li>Fixed ForeignKeys schema to support multi-column foreign keys.&nbsp; Also 
        hacked support for them in the table designer, provided two foreign keys in the 
        designer have the same name and reference the same foreign table and different 
        columns.&nbsp; Will implement first-class support for this in the next release.</li>
    </ul>
    <p><b>1.0.56.0 - August 11, 2008</b></p>
    <ul>
      <li>Fixed a bug in the table designer when designing new tables, wherein you had to 
        save the table first before being able to create indexes and foreign keys.</li>
      <li>Tweaks to decimal type handling.&nbsp; The &#39;decimal&#39; type can&#39;t be represented 
        by Int64 or Double (without loss of precision) in SQLite, so we have to fudge it 
        by treating it like a string and converting it back and forth in the provider.&nbsp;
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          support both binary and cleartext password types. </li>
        <li>Visual Studio 2005/2008 Design-Time Support.&nbsp; You can add a SQLite 
        database to the Servers list, design queries with the Query Designer, 
        drag-and-drop tables onto a Typed DataSet, etc.</li>
            <li>Full SQLite schema editing inside Visual Studio.&nbsp; You can create/edit 
              tables, views, triggers, indexes, check constraints and foreign keys. </li>
        <li>
        Single file redistributable (except Compact Framework).&nbsp; The core sqlite3 codebase and the ADO.NET wrapper 
        Single file redistributable.&nbsp; The core sqlite3 codebase and the ADO.NET wrapper 
        are combined into one multi-module assembly. </li>
        <li>Binaries included for Itanium, x64, x86 and ARM processors. </li>
        <li>
        DbProviderFactory support. </li>
        <li>
          Full support for ATTACH'ed databases.&nbsp; Exposed as <i>Catalogs</i>
        in the schema.&nbsp; When cloning a connection, all attached databases are
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        Full support for user-defined collating sequences, every bit as simple to 
        implement as user-defined functions and uses the same base class. </li>
        <li>
          Full source for the entire engine and wrapper.&nbsp; No copyrights.&nbsp; 
          Public Domain.&nbsp; 100% free for commercial and non-commercial use.&nbsp;</li>
      </UL>
      <br>
      <h1 class="heading">Distributing the Binaries (Desktop)</h1>
      <h1 class="heading">Distributing the Binaries</h1>
      <p><b>System.Data.SQLite.DLL</b> is a mixed assembly signed with a strong name 
        in case you want to add it to the Global Assembly Cache (GAC). This is the only DLL required to be redistributed with 
        your SQLite.NET application(s).&nbsp; It 
        comes in&nbsp;3
        flavors: Win32, Itanium and x64 (AMD64).</p>
      <h1 class="heading">Distributing the Binaries (Compact Framework)</h1>
      <p><b>System.Data.SQLite.DLL </b>and <b>SQLite.Interop.XXX.DLL</b> must be 
        comes in&nbsp;4
        flavors: Win32, Itanium, X64 (AMD64) and ARM (Compact Framework).&nbsp; The Compact
        Framework library is signed with a separate strong name, but all the other
        versions share the same strong name so they can be interchanged where appropriate without
        deployed on the Compact Framework.&nbsp; The XXX is the build number of the 
        System.Data.SQLite library (e.g. &quot;059&quot;).&nbsp; SQLite.Interop.XXX is a fully 
        native assembly compiled for the ARM processor, and System.Data.SQLite is the 
        fully-managed Compact Framework assembly.</p>
        any change to your application.</p>
      <hr />
      <div id="footer">
        <p>
          <a href="mailto:robert@blackcastlesoft.com?subject=SQLite%20ADO.NET%202.0%20Provider%201.0.0.0%20Documentation%20Feedback:%20Welcome">
          Send comments on this topic.<!--[if gte IE 5]><tool:tip element="seeAlsoToolTip" avoidmouse="false" /><tool:tip element="languageFilterToolTip" avoidmouse="false" /><![endif]-->    </div>
          <a href="mailto:robert@blackcastlesoft.com?subject=SQLite%20ADO.NET%202.0%20Provider%201.0.0.0%20Documentation%20Feedback:%20Welcome">Send comments on this topic.</a>
        </p>
        <p />
        <p />
      </div><!--[if gte IE 5]><tool:tip element="seeAlsoToolTip" avoidmouse="false" /><tool:tip element="languageFilterToolTip" avoidmouse="false" /><![endif]-->    </div>
    </div>
  </body>
</html>
Changes to Doc/SQLite.NET.chm.

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Changes to SQLite.Designer/AssemblyInfo.cs.
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//      Major Version
//      Minor Version 
//      Build Number
//      Revision
//
// You can specify all the values or you can default the Revision and Build Numbers 
// by using the '*' as shown below:
[assembly: AssemblyVersion("1.0.36.0")]
[assembly: AssemblyFileVersion("1.0.36.0")]
[assembly: AssemblyVersion("1.0.35.0")]
[assembly: AssemblyFileVersion("1.0.35.0")]
[assembly: AssemblyDelaySignAttribute(false)]
[assembly: AssemblyKeyFileAttribute("..\\System.Data.SQLite\\System.Data.SQLite.snk")]
[assembly: AssemblyKeyNameAttribute("")]
Changes to SQLite.Designer/Design/Column.cs.
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    [DisplayName("Default Value")]
    [Category("Constraints")]
    [Description("The default value to populate in the column when an explicit value is not specified.")]
    public virtual string DefaultValue
    {
      get { return _defaultValue; }
      set
      {
        value = value.Trim();

        if (value != _defaultValue)
        {
          _defaultValue = value;
      set { _defaultValue = value; }
          _table.MakeDirty();
        }
      }
    }

    internal void WriteSql(StringBuilder builder)
    {
      builder.AppendFormat("[{0}]", ColumnName);
      if (String.IsNullOrEmpty(DataType) == false)
        builder.AppendFormat(" {0}", DataType);
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      if (Unique.Enabled == true && isprimary == false)
      {
        builder.Append(" UNIQUE");
        if (Unique.Conflict != ConflictEnum.Abort)
          builder.AppendFormat(" ON CONFLICT {0}", Unique.Conflict.ToString().ToUpperInvariant());
      }

      if (String.IsNullOrEmpty(DefaultValue) == false)
        builder.AppendFormat(" DEFAULT {0}", DefaultValue);
    }
  }
}
Changes to SQLite.Designer/Design/ForeignKey.cs.
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  {
    internal ForeignKeyFromItem(ForeignKey fkey, string column)
      : base(fkey, fkey._table.Catalog, fkey._table.Name, column)
    {
    }

    [Editor(typeof(ColumnsTypeEditor), typeof(UITypeEditor))]
    [Description("The column of the current table that refers to the foreign key relationship")]
    [Description("The primary (parent) column of the foreign key relationship")]
    public new string Column
    {
      get { return base.Column; }
      set { SetColumn(value); }
    }

    [Browsable(false)]
    public override string Catalog
    {
      get
      {
        return base.Catalog;
      }
    }

    [Browsable(false)]
    public override string Table
    {
      get
      {
        return base.DesignTable.Name;
        return base.Table;
      }
    }
  }

  [TypeConverter(typeof(ExpandableObjectConverter))]
  internal class ForeignKeyToItem : ForeignKeyItem
  {
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      {
        SetCatalog(value);
      }
    }

    [DisplayName("Base Table")]
    [Editor(typeof(TablesTypeEditor), typeof(UITypeEditor))]
    [Description("The table to which the foreign key refers.")]
    [Description("The child table to which the foreign key refers.")]
    public new string Table
    {
      get { return base.Table; }
      set { SetTable(value); }
    }

    [Editor(typeof(ColumnsTypeEditor), typeof(UITypeEditor))]
    [Description("The column to which the foreign key refers.")]
    [Description("The child column to which the foreign key refers.")]
    public new string Column
    {
      get { return base.Column; }
      set { SetColumn(value); }
    }
  }
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      {
        _name = null;
        _from = new ForeignKeyFromItem(this, "");
        _to = new ForeignKeyToItem(this, _table.Catalog, "", "");
      }
    }

    //internal void WriteSql(StringBuilder builder)
    internal void WriteSql(StringBuilder builder)
    //{
    //  if (String.IsNullOrEmpty(_from.Column) == false && String.IsNullOrEmpty(_to.Catalog) == false &&
    //    String.IsNullOrEmpty(_to.Table) == false && String.IsNullOrEmpty(_to.Column) == false)
    {
      if (String.IsNullOrEmpty(_from.Column) == false && String.IsNullOrEmpty(_to.Catalog) == false &&
        String.IsNullOrEmpty(_to.Table) == false && String.IsNullOrEmpty(_to.Column) == false)
    //  {
    //    builder.AppendFormat("CONSTRAINT [{0}] FOREIGN KEY ([{1}]) REFERENCES [{3}] ([{4}])", Name, _from.Column, _to.Catalog, _to.Table, _to.Column);
      {
        builder.AppendFormat("CONSTRAINT [{0}] FOREIGN KEY ([{1}]) REFERENCES [{3}] ([{4}])", Name, _from.Column, _to.Catalog, _to.Table, _to.Column);
    //  }
    //}
      }
    }

    [ParenthesizePropertyName(true)]
    [Category("Identity")]
    [Description("The name of the foreign key.")]
    public string Name
    {
      get
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    public DbConnection GetConnection()
    {
      return ((IHaveConnection)_table).GetConnection();
    }

    #endregion

    [DisplayName("From Key")]
    [Category("From")]
    [Description("The source column in the current table that refers to the foreign key.")]
    [DisplayName("Primary/Unique Key")]
    [Category("Source")]
    [Description("The source (parent) column in the current table that is to be the unique value of the foreign key.")]
    public ForeignKeyFromItem From
    {
      get { return _from; }
    }

    [DisplayName("To Key")]
    [Category("To")]
    [Description("The table and column to which the specified from column is related.")]
    [DisplayName("Foreign Key")]
    [Category("Target")]
    [Description("The child table and column to which the specified parent column is related.")]
    public ForeignKeyToItem To
    {
      get { return _to; }
    }

    #region ICloneable Members
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Changes to SQLite.Designer/Design/Table.cs.
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    {
      get { return _origSql; }
    }

    [Category("Storage")]
    [RefreshProperties(RefreshProperties.All)]
    [ParenthesizePropertyName(true)]
    [NotifyParentProperty(true)]
    public override string Name
    {
      get { return _name; }
      set
      {
        if (_name != value)
        {
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            break;
          }
        }
        builder.Append(separator);
        builder.AppendFormat("CONSTRAINT [CK_{0}_{1}] CHECK {2}", Name, n + 1, check);
      }

      List<ForeignKey> keys = new List<ForeignKey>();

      foreach (ForeignKey fkey in ForeignKeys)
      for (int x = 0; x < ForeignKeys.Count; x++)
      {
        ForeignKey key = ForeignKeys[x];

        if (String.IsNullOrEmpty(key.From.Column) == true || String.IsNullOrEmpty(key.From.Catalog) == true ||
          String.IsNullOrEmpty(key.To.Table) == true || String.IsNullOrEmpty(key.To.Column) == true)
          continue;

        if (keys.Count > 0)
        {
          if (keys[0].Name == key.Name && keys[0].To.Catalog == key.To.Catalog && keys[0].To.Table == key.To.Table)
          {
            keys.Add(key);
            continue;
          }
          builder.Append(separator);
          WriteFKeys(keys, builder);
        builder.Append(separator);
        fkey.WriteSql(builder);
          keys.Clear();
        }
        keys.Add(key);
      }

      if (keys.Count > 0)
      {
        builder.Append(separator);
        WriteFKeys(keys, builder);
      }

      builder.Append("\r\n);\r\n");

      // Rebuilding an existing table
      if (altName != null)
      {
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        }
        builder.AppendLine();
      }

      return builder.ToString();
    }

    private void WriteFKeys(List<ForeignKey> keys, StringBuilder builder)
    {
      builder.AppendFormat("CONSTRAINT [{0}] FOREIGN KEY (", keys[0].Name);
      string separator = "";

      foreach (ForeignKey key in keys)
      {
        builder.AppendFormat("{0}[{1}]", separator, key.From.Column);
        separator = ", ";
      }

      builder.AppendFormat(") REFERENCES [{0}] (", keys[0].To.Table);

      separator = "";
      foreach (ForeignKey key in keys)
      {
        builder.AppendFormat("{0}[{1}]", separator, key.To.Column);
        separator = ", ";
      }
      builder.Append(")");
    }

    [Browsable(false)]
    public override ViewTableBase DesignTable
    {
      get { return this; }
    }

    public override DbConnection GetConnection()
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[SQLite]
System.Data.SQLite.SQLiteConnection, System.Data.SQLite
System.Data.SQLite.SQLiteDataAdapter, System.Data.SQLite
System.Data.SQLite.SQLiteCommand, System.Data.SQLite
Changes to SQLite.Designer/SQLiteDataViewSupport2005.xml.
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          <Category resource="Category_Location"/>
        </Part>
        <Part name="Table">
          <Category resource="Category_Location"/>
        </Part>
      </Identifier>
      <Properties>
        <!--<Property name="ColumnName">
        <Property name="ColumnName">
          <DisplayName>Source Column</DisplayName>
          <Category resource="Category_Source"/>
        </Property>-->
        </Property>
        <Property name="ReferencedTableDatabase">
          <DisplayName>Referenced Database</DisplayName>
          <Category resource="Category_Refs"/>
        </Property>
        <Property name="ReferencedTableName">
          <DisplayName>Referenced Table</DisplayName>
          <Category resource="Category_Refs"/>
        </Property>
        <!--<Property name="ReferencedColumnName">
        <Property name="ReferencedColumnName">
          <DisplayName>Referenced Column</DisplayName>
          <Category resource="Category_Refs"/>
        </Property>-->
        </Property>
      </Properties>
      <CommandBindings>
        <CommandBinding name="NewQuery" guid="501822E1-B5AF-11d0-B4DC-00A0C91506EF" cmdid="13608" handler="884DD964-5327-461f-9F06-6484DD540F8F"/>
      </CommandBindings>
    </TypeExtension>
  </TypeExtensions>
︙
Changes to SQLite.Designer/SQLiteDataViewSupport2008.xml.
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          <Category resource="Category_Location"/>
        </Part>
        <Part name="Table">
          <Category resource="Category_Location"/>
        </Part>
      </Identifier>
      <Properties>
        <!--<Property name="ColumnName">
        <Property name="ColumnName">
          <DisplayName>Source Column</DisplayName>
          <Category resource="Category_Source"/>
        </Property>-->
        </Property>
        <Property name="ReferencedTableDatabase">
          <DisplayName>Referenced Database</DisplayName>
          <Category resource="Category_Refs"/>
        </Property>
        <Property name="ReferencedTableName">
          <DisplayName>Referenced Table</DisplayName>
          <Category resource="Category_Refs"/>
        </Property>
        <!--<Property name="ReferencedColumnName">
        <Property name="ReferencedColumnName">
          <DisplayName>Referenced Column</DisplayName>
          <Category resource="Category_Refs"/>
        </Property>-->
        </Property>
      </Properties>
      <CommandBindings>
        <CommandBinding name="NewQuery" guid="501822E1-B5AF-11d0-B4DC-00A0C91506EF" cmdid="13608" handler="884DD964-5327-461f-9F06-6484DD540F8F"/>
      </CommandBindings>
    </TypeExtension>
  </TypeExtensions>
︙
Changes to SQLite.Interop/SQLite.Interop.rc.
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/////////////////////////////////////////////////////////////////////////////
//
// Version
//

VS_VERSION_INFO VERSIONINFO
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 FILEVERSION 1,0,56,0
 PRODUCTVERSION 1,0,0,0
 FILEFLAGSMASK 0x17L
#ifdef _DEBUG
 FILEFLAGS 0x1L
#else
 FILEFLAGS 0x0L
#endif
 FILEOS 0x4L
 FILETYPE 0x2L
 FILESUBTYPE 0x0L
BEGIN
    BLOCK "StringFileInfo"
    BEGIN
        BLOCK "040904b0"
        BEGIN
            VALUE "Comments", "http://sqlite.phxsoftware.com"
            VALUE "FileDescription", "System.Data.SQLite Interop Library"
            VALUE "FileVersion", "1.0.59.0"
            VALUE "FileVersion", "1.0.56.0"
            VALUE "InternalName", "SQLite.Interop.DLL"
            VALUE "LegalCopyright", "Released to the public domain"
            VALUE "OriginalFilename", "SQLite3.DLL 3.6.3"
            VALUE "OriginalFilename", "SQLite3.DLL 3.6.1"
            VALUE "ProductName", "System.Data.SQLite"
            VALUE "ProductVersion", "1.0"
        END
    END
    BLOCK "VarFileInfo"
    BEGIN
        VALUE "Translation", 0x409, 1200
︙
Changes to SQLite.Interop/SQLite.Interop.vcproj.
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︙
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︙
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869
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901
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934
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941
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973
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980
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1009
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1016
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1020
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1042
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1049
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︙
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1088
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1114
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1121
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1160
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︙
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				<FileConfiguration
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						Name="VCCLCompilerTool"
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						Name="VCCLCompilerTool"
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						Name="VCCLCompilerTool"
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︙
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︙
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2600
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2613
2614
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1798
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1800
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1804
















1805
1806
1807
1808
1809
1810
1811








-
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						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Release|x64"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Debug|Win32"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Debug|Pocket PC 2003 (ARMV4)"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
			</File>
			<File
				RelativePath=".\splitsource\mem3.c"
︙
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1837
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1844
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				<FileConfiguration
					Name="Release|x64"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Debug|Win32"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Debug|Pocket PC 2003 (ARMV4)"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
			</File>
			<File
				RelativePath=".\splitsource\mem4.c"
				>
				<FileConfiguration
					Name="Release|Win32"
︙
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2719
2720
2721
2722

1873
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1879
















1880
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1882
1883
1884
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1886








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				<FileConfiguration
					Name="Release|x64"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Debug|Win32"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Debug|Pocket PC 2003 (ARMV4)"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
			</File>
			<File
				RelativePath=".\splitsource\mem5.c"
				>
				<FileConfiguration
					Name="Release|Win32"
︙
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2767
2768
2769
2770
2771

1906
1907
1908
1909
1910
1911
1912
















1913
1914
1915
1916
1917
1918
1919








-
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						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Release|x64"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Debug|Win32"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Debug|Pocket PC 2003 (ARMV4)"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
			</File>
			<File
				RelativePath=".\splitsource\mutex.c"
︙
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2811
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2814
2815
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2817
2818
2819
2820
2821
2822
2823
2824
2825
2826

1945
1946
1947
1948
1949
1950
1951
















1952
1953
1954
1955
1956
1957
1958








-
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				<FileConfiguration
					Name="Release|x64"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Debug|Win32"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Debug|Pocket PC 2003 (ARMV4)"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
			</File>
			<File
				RelativePath=".\splitsource\mutex_w32.c"
				>
				<FileConfiguration
					Name="Release|Win32"
︙
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2860
2861
2862
2863
2864
2865
2866
2867
2868
2869
2870
2871
2872
2873
2874
2875

1978
1979
1980
1981
1982
1983
1984
















1985
1986
1987
1988
1989
1990
1991








-
-
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-
-
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						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Release|x64"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Debug|Win32"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Debug|Pocket PC 2003 (ARMV4)"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
			</File>
			<File
				RelativePath=".\splitsource\opcodes.c"
︙
2901
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2915
2916
2917
2918
2919
2920
2921
2922
2923
2924
2925
2926
2927
2928
2929
2930

2017
2018
2019
2020
2021
2022
2023
















2024
2025
2026
2027
2028
2029
2030








-
-
-
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-








				<FileConfiguration
					Name="Release|x64"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Debug|Win32"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Debug|Pocket PC 2003 (ARMV4)"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
			</File>
			<File
				RelativePath=".\splitsource\os.c"
				>
				<FileConfiguration
					Name="Release|Win32"
︙
2953
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2966
2967
2968
2969
2970
2971
2972
2973
2974
2975
2976
2977
2978
2979
2980
2981
2982

2053
2054
2055
2056
2057
2058
2059
















2060
2061
2062
2063
2064
2065
2066








-
-
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-
-
-
-
-








				<FileConfiguration
					Name="Release|x64"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Debug|Win32"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Debug|Pocket PC 2003 (ARMV4)"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
			</File>
			<File
				RelativePath=".\splitsource\os_win.c"
				>
				<FileConfiguration
					Name="Release|Win32"
︙
3002
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3004
3005
3006
3007
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3009
3010
3011
3012
3013
3014
3015
3016
3017
3018
3019
3020
3021
3022
3023
3024
3025
3026
3027
3028
3029
3030
3031

2086
2087
2088
2089
2090
2091
2092
















2093
2094
2095
2096
2097
2098
2099








-
-
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-








						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Release|x64"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Debug|Win32"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Debug|Pocket PC 2003 (ARMV4)"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
			</File>
			<File
				RelativePath=".\splitsource\pager.c"
︙
3089
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3100
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3102
3103
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3110
3111
3112
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3119
3120
3121
3122
3123
3124
3125
3126
3127
3128
3129
3130
3131
3132
3133
3134

2157
2158
2159
2160
2161
2162
2163
































2164
2165
2166
2167
2168
2169
2170








-
-
-
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-
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-








				<FileConfiguration
					Name="Debug|x64"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="StockDebug|Win32"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="StockDebug|Pocket PC 2003 (ARMV4)"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="StockDebug|Itanium"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="StockDebug|x64"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
			</File>
			<File
				RelativePath=".\splitsource\parse.c"
				>
				<FileConfiguration
					Name="Release|Win32"
︙
3152
3153
3154
3155
3156
3157
3158
3159
3160
3161
3162
3163
3164
3165
3166
3167
3168
3169
3170
3171
3172
3173
3174
3175
3176
3177
3178
3179
3180
3181
3182
3183
3184
3185
3186
3187
3188
3189
3190
3191
3192
3193
3194
3195
3196
3197
3198
3199
3200
3201
3202
3203
3204
3205
3206
3207
3208
3209
3210
3211
3212
3213
3214
3215
3216
3217
3218
3219
3220
3221
3222
3223
3224
3225
3226
3227
3228
3229
3230
3231
3232
3233
3234
3235
3236
3237
3238
3239
3240
3241
3242
3243
3244
3245
3246
3247
3248
3249

2188
2189
2190
2191
2192
2193
2194




















































































2195
2196
2197
2198
2199
2200
2201








-
-
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-
-
-
-
-
-
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-
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-
-
-
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-
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-
-
-
-
-








					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Release|x64"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Debug|Win32"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
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				<FileConfiguration
					Name="Debug|Pocket PC 2003 (ARMV4)"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
			</File>
			<File
				RelativePath=".\splitsource\pcache.c"
				>
				<FileConfiguration
					Name="Release|Win32"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Release|Pocket PC 2003 (ARMV4)"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
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					ExcludedFromBuild="true"
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					<Tool
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					/>
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				<FileConfiguration
					Name="Release|x64"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Debug|Win32"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Debug|Pocket PC 2003 (ARMV4)"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Debug|Itanium"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Debug|x64"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
			</File>
︙
3277
3278
3279
3280
3281
3282
3283
3284
3285
3286
3287
3288
3289
3290
3291
3292
3293
3294
3295
3296
3297
3298
3299
3300
3301
3302
3303
3304
3305
3306

2229
2230
2231
2232
2233
2234
2235
















2236
2237
2238
2239
2240
2241
2242








-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-








				<FileConfiguration
					Name="Release|x64"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Debug|Win32"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Debug|Pocket PC 2003 (ARMV4)"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
			</File>
			<File
				RelativePath=".\splitsource\prepare.c"
				>
				<FileConfiguration
					Name="Release|Win32"
︙
3329
3330
3331
3332
3333
3334
3335
3336
3337
3338
3339
3340
3341
3342
3343
3344
3345
3346
3347
3348
3349
3350
3351
3352
3353
3354
3355
3356
3357
3358

2265
2266
2267
2268
2269
2270
2271
















2272
2273
2274
2275
2276
2277
2278








-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-








				<FileConfiguration
					Name="Release|x64"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Debug|Win32"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Debug|Pocket PC 2003 (ARMV4)"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
			</File>
			<File
				RelativePath=".\splitsource\printf.c"
				>
				<FileConfiguration
					Name="Release|Win32"
︙
3378
3379
3380
3381
3382
3383
3384
3385
3386
3387
3388
3389
3390
3391
3392
3393
3394
3395
3396
3397
3398
3399
3400
3401
3402
3403
3404
3405
3406
3407

2298
2299
2300
2301
2302
2303
2304
















2305
2306
2307
2308
2309
2310
2311








-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-








						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Release|x64"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Debug|Win32"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Debug|Pocket PC 2003 (ARMV4)"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
			</File>
			<File
				RelativePath=".\splitsource\random.c"
︙
3433
3434
3435
3436
3437
3438
3439
3440
3441
3442
3443
3444
3445
3446
3447
3448
3449
3450
3451
3452
3453
3454
3455
3456
3457
3458
3459
3460
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						Name="VCCLCompilerTool"
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︙
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						Name="VCCLCompilerTool"
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			<File
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				<FileConfiguration
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						Name="VCCLCompilerTool"
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				<FileConfiguration
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						Name="VCCLCompilerTool"
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︙
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				<FileConfiguration
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2701
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						Name="VCCLCompilerTool"
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︙
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						Name="VCCLCompilerTool"
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︙
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				<FileConfiguration
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︙
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				<FileConfiguration
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						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
			</File>
			<File
				RelativePath=".\splitsource\vdbefifo.c"
				>
				<FileConfiguration
					Name="Release|Win32"
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						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Release|x64"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Debug|Win32"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Debug|Pocket PC 2003 (ARMV4)"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
			</File>
			<File
				RelativePath=".\splitsource\vdbemem.c"
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					Name="Release|x64"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Debug|Win32"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Debug|Pocket PC 2003 (ARMV4)"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
			</File>
			<File
				RelativePath=".\splitsource\vtab.c"
				>
				<FileConfiguration
					Name="Release|Win32"
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				<FileConfiguration
					Name="Release|x64"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Debug|Win32"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Debug|Pocket PC 2003 (ARMV4)"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
			</File>
			<File
				RelativePath=".\splitsource\walker.c"
				>
				<FileConfiguration
					Name="Release|Win32"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Release|Pocket PC 2003 (ARMV4)"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Release|Itanium"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Release|x64"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Debug|Win32"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Debug|Pocket PC 2003 (ARMV4)"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Debug|Itanium"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Debug|x64"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
			</File>
			<File
				RelativePath=".\splitsource\where.c"
				>
				<FileConfiguration
					Name="Release|Win32"
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						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Release|x64"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Debug|Win32"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
				<FileConfiguration
					Name="Debug|Pocket PC 2003 (ARMV4)"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
			</File>
		</Filter>
		<File
︙
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#ifndef SQLITE_OMIT_DISKIO
#ifdef SQLITE_HAS_CODEC

#ifdef SQLITE_DEBUG
#if _DEBUG
#include "splitsource\pager.c"
#endif

#include <windows.h>
#include <wincrypt.h>

// Extra padding before and after the cryptographic buffer
︙
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#ifndef SQLITE_DEBUG
#ifdef NDEBUG
#include "src/sqlite3.c"
#else
#include "splitsource\btreeint.h"
#include "splitsource\vdbeint.h"
#include "splitsource\sqliteInt.h"
#endif

#include "extension-functions.c"
#include "crypt.c"
#include <tchar.h>

#ifdef NDEBUG

#if _WIN32_WCE
//#include "merge.h"
#include "merge.h"
#else
#include "merge_full.h"
#endif // _WIN32_WCE
#endif // NDEBUG

extern int RegisterExtensionFunctions(sqlite3 *db);

#ifdef SQLITE_OS_WIN

// Additional flag for sqlite3.flags, we use it as a reference counter
#define SQLITE_WantClose 0x10000000

// Additional open flags, we use this one privately
//#define SQLITE_OPEN_SHAREDCACHE      0x01000000

typedef void (*SQLITEUSERFUNC)(sqlite3_context *, int, sqlite3_value **);
typedef void (*SQLITEFUNCFINAL)(sqlite3_context *);

typedef HANDLE (WINAPI *CREATEFILEW)(
    LPCWSTR,
    DWORD,
    DWORD,
    LPSECURITY_ATTRIBUTES,
    DWORD,
    DWORD,
    HANDLE);


static CRITICAL_SECTION g_cs;
/*
** Vista cache hack.  Open a file, but don't use FILE_FLAG_RANDOM_ACCESS -- Vista and above only.
*/
static int winOpenVista(
  sqlite3_vfs *pVfs,        /* Not used */
  const char *zName,        /* Name of the file (UTF-8) */
  sqlite3_file *id,         /* Write the SQLite file handle here */
  int flags,                /* Open mode flags */
  int *pOutFlags            /* Status return flags */
){
  HANDLE h;
  DWORD dwDesiredAccess;
  DWORD dwShareMode;
  DWORD dwCreationDisposition;
  DWORD dwFlagsAndAttributes = 0;
  int isTemp;
  winFile *pFile = (winFile*)id;
  void *zConverted;                 /* Filename in OS encoding */
  const char *zUtf8Name = zName;    /* Filename in UTF-8 encoding */
  char zTmpname[MAX_PATH+1];        /* Buffer used to create temp filename */

static LONG g_dwcsInit = 0;
  /* If the second argument to this function is NULL, generate a 
  ** temporary file name to use 
  */
  if( !zUtf8Name ){
    int rc = getTempname(MAX_PATH+1, zTmpname);
    if( rc!=SQLITE_OK ){
      return rc;
    }

    zUtf8Name = zTmpname;
  }

void EnterGlobalMutex()
  /* Convert the filename to the system encoding. */
  zConverted = convertUtf8Filename(zUtf8Name);
  if( zConverted==0 ){
    return SQLITE_NOMEM;
  }

{
  if( flags & SQLITE_OPEN_READWRITE ){
    dwDesiredAccess = GENERIC_READ | GENERIC_WRITE;
  }else{
    dwDesiredAccess = GENERIC_READ;
  }
  if( flags & SQLITE_OPEN_CREATE ){
    dwCreationDisposition = OPEN_ALWAYS;
  }else{
    dwCreationDisposition = OPEN_EXISTING;
  }
  if( flags & SQLITE_OPEN_MAIN_DB ){
    dwShareMode = FILE_SHARE_READ | FILE_SHARE_WRITE;
  }else{
    dwShareMode = 0;
  }
  if( flags & SQLITE_OPEN_DELETEONCLOSE ){
#if SQLITE_OS_WINCE
    dwFlagsAndAttributes = FILE_ATTRIBUTE_HIDDEN;
#else
    dwFlagsAndAttributes = FILE_ATTRIBUTE_TEMPORARY
                               | FILE_ATTRIBUTE_HIDDEN
                               | FILE_FLAG_DELETE_ON_CLOSE;
#endif
    isTemp = 1;
  }else{
    dwFlagsAndAttributes = FILE_ATTRIBUTE_NORMAL;
    isTemp = 0;
  }
  /* Reports from the internet are that performance is always
  ** better if FILE_FLAG_RANDOM_ACCESS is used.  Ticket #2699. */
  //dwFlagsAndAttributes |= FILE_FLAG_RANDOM_ACCESS;
  if( isNT() ){
    h = CreateFileW((WCHAR*)zConverted,
       dwDesiredAccess,
       dwShareMode,
       NULL,
       dwCreationDisposition,
  if (InterlockedCompareExchange(&g_dwcsInit, 1, 0) == 0)
    InitializeCriticalSection(&g_cs);
       dwFlagsAndAttributes,
       NULL
    );
  }else{
    h = CreateFileA((char*)zConverted,
       dwDesiredAccess,
       dwShareMode,
       NULL,
       dwCreationDisposition,
       dwFlagsAndAttributes,
       NULL
    );
  }

  if( h==INVALID_HANDLE_VALUE ){
    free(zConverted);
    if( flags & SQLITE_OPEN_READWRITE ){
      return winOpen(0, zName, id, 
             ((flags|SQLITE_OPEN_READONLY)&~SQLITE_OPEN_READWRITE), pOutFlags);
    }else{
      return SQLITE_CANTOPEN;
    }
  }
  if( pOutFlags ){
  EnterCriticalSection(&g_cs);
}

void LeaveGlobalMutex()
    if( flags & SQLITE_OPEN_READWRITE ){
      *pOutFlags = SQLITE_OPEN_READWRITE;
    }else{
      *pOutFlags = SQLITE_OPEN_READONLY;
    }
  }
  memset(pFile, 0, sizeof(*pFile));
  pFile->pMethod = &winIoMethod;
  pFile->h = h;
#if SQLITE_OS_WINCE
  if( (flags & (SQLITE_OPEN_READWRITE|SQLITE_OPEN_MAIN_DB)) ==
               (SQLITE_OPEN_READWRITE|SQLITE_OPEN_MAIN_DB)
       && !winceCreateLock(zName, pFile)
  ){
    CloseHandle(h);
    free(zConverted);
    return SQLITE_CANTOPEN;
  }
  if( isTemp ){
    pFile->zDeleteOnClose = zConverted;
  }else
#endif
  {
{
    free(zConverted);
  }
  OpenCounter(+1);
  return SQLITE_OK;
}

  LeaveCriticalSection(&g_cs);
int sqlite3_vista_init(void){
  static sqlite3_vfs winVfs = {
    1,                 /* iVersion */
    sizeof(winFile),   /* szOsFile */
    MAX_PATH,          /* mxPathname */
    0,                 /* pNext */
    "win32",           /* zName */
    0,                 /* pAppData */
 
    winOpenVista,      /* xOpen */
    winDelete,         /* xDelete */
    winAccess,         /* xAccess */
    winFullPathname,   /* xFullPathname */
    winDlOpen,         /* xDlOpen */
    winDlError,        /* xDlError */
    winDlSym,          /* xDlSym */
    winDlClose,        /* xDlClose */
    winRandomness,     /* xRandomness */
    winSleep,          /* xSleep */
    winCurrentTime,    /* xCurrentTime */
    winGetLastError    /* xGetLastError */
  };
  sqlite3_vfs_register(&winVfs, 1);
  return SQLITE_OK; 
}

int SetCompression(const wchar_t *pwszFilename, unsigned short ufLevel)
{
#ifdef FSCTL_SET_COMPRESSION
  HMODULE hMod = GetModuleHandle(_T("KERNEL32"));
  CREATEFILEW pfunc;
︙
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}

__declspec(dllexport) int WINAPI sqlite3_decompressfile(const wchar_t *pwszFilename)
{
  return SetCompression(pwszFilename, COMPRESSION_FORMAT_NONE);
}

__declspec(dllexport) int WINAPI sqlite3_initialize_interop()
{
  int ret = sqlite3_initialize();
  if (ret == SQLITE_OK)
  {
    // Override Vista and abov OS's so they use our hack open() function
    OSVERSIONINFO osi;
    osi.dwOSVersionInfoSize = sizeof(osi);
    if (GetVersionEx(&osi))
    {
      if (osi.dwMajorVersion > 5)
        ret = sqlite3_vista_init();
    }
  }
  return ret;
}

/*
    The goal of this version of close is different than that of sqlite3_close(), and is designed to lend itself better to .NET's non-deterministic finalizers and
    the GC thread.  SQLite will not close a database if statements are open on it -- but for our purposes, we'd rather finalize all active statements
    and forcibly close the database.  The reason is simple -- a lot of people don't Dispose() of their objects correctly and let the garbage collector
    do it.  This leads to unexpected behavior when a user thinks they've closed a database, but it's still open because not all the statements have
    hit the GC yet.

    So, here we have a problem ... .NET has a pointer to any number of sqlite3_stmt objects.  We can't call sqlite3_finalize() on these because
    their memory is freed and can be used for something else.  The GC thread could potentially try and call finalize again on the statement after
    that memory was deallocated.  BAD.  So, what we need to do is make a copy of each statement, and call finalize() on the copy -- so that the original
    statement's memory is preserved, and marked as BAD, but we can still manage to finalize everything and forcibly close the database.  Later when the 
    GC gets around to calling finalize_interop() on the "bad" statement, we detect that and finish deallocating the pointer.
*/
__declspec(dllexport) int WINAPI sqlite3_close_interop(sqlite3 *db)
{
  int ret;
  
  EnterGlobalMutex();

  ret = sqlite3_close(db);

  if (ret == SQLITE_BUSY && db->pVdbe)
  {
    while (db->pVdbe)
    {
      // Make a copy of the first prepared statement
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        ZeroMemory(po, sizeof(Vdbe));
        po->magic = VDBE_MAGIC_DEAD;
      }
    }
    ret = sqlite3_close(db);
  }

  LeaveGlobalMutex();

  return ret;
}

__declspec(dllexport) int WINAPI sqlite3_open_interop(const char*filename, int flags, sqlite3 **ppdb)
{
  int ret;
  //int sharedcache = ((flags & SQLITE_OPEN_SHAREDCACHE) != 0);
  //flags &= ~SQLITE_OPEN_SHAREDCACHE;

  //EnterGlobalMutex();

  //sqlite3_enable_shared_cache(sharedcache);
  ret = sqlite3_open_v2(filename, ppdb, flags, NULL);
  //sqlite3_enable_shared_cache(0);

  if (ret == 0)
    RegisterExtensionFunctions(*ppdb);

  //LeaveGlobalMutex();

  return ret;
}

__declspec(dllexport) int WINAPI sqlite3_open16_interop(const char *filename, int flags, sqlite3 **ppdb)
{
  int ret = sqlite3_open_interop(filename, flags, ppdb);
︙
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  const void *pval = sqlite3_column_text16(stmt, iCol);
  *plen = (pval != 0) ? wcslen((wchar_t *)pval) * sizeof(wchar_t): 0;
  return pval;
}

__declspec(dllexport) int WINAPI sqlite3_finalize_interop(sqlite3_stmt *stmt)
{
  // Try and finalize a statement, and close the database it belonged to if the database was marked for closing
  Vdbe *p;
  sqlite3 *db;
  int ret;

  EnterGlobalMutex();

  p = (Vdbe *)stmt;
  db = (p == NULL) ? NULL : p->db;

  while(1)
  {
  if (p->magic == VDBE_MAGIC_DEAD)
  {
    if (db == NULL)
    {
      sqlite3_free(p);
      ret = SQLITE_OK;
    }
  }
  else
    if (p->magic == VDBE_MAGIC_DEAD)
    {
      if (db == NULL)
      {
        sqlite3_free(p);
        ret = SQLITE_OK;
        break;
      }
    }

    ret = sqlite3_finalize(stmt);

    if (ret == SQLITE_OK)
    {
      if (db->flags & SQLITE_WantClose)
      {
        if (db->pVdbe == NULL)
        {
          ret = sqlite3_close(db);
        }
      }
    }
    break;
  }

  LeaveGlobalMutex();

  return ret;
}

__declspec(dllexport) int WINAPI sqlite3_reset_interop(sqlite3_stmt *stmt)
{
  int ret;
︙
Changes to SQLite.Interop/merge.h. 
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// This code was automatically generated from assembly
// C:\Src\SQLite.NET\bin\CompactFramework\System.Data.SQLite.dll
// C:\Src\SQLite.NET\System.Data.SQLite\bin\CompactFramework\System.Data.SQLite.dll

#include <windef.h>

#pragma data_seg(push,clrseg,".clr")
#pragma comment(linker, "/SECTION:.clr,ER")
  char __ph[592628] = {0}; // The number of bytes to reserve
  char __ph[143484] = {0}; // The number of bytes to reserve
#pragma data_seg(pop,clrseg)

typedef BOOL (WINAPI *DLLMAIN)(HANDLE, DWORD, LPVOID);
typedef struct EXTRA_STUFF
{
  DWORD dwNativeEntryPoint;
} EXTRA_STUFF, *LPEXTRA_STUFF;
︙
Changes to SQLite.Interop/merge_full.h. 
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// This code was automatically generated from assembly
// C:\Src\SQLite.NET\System.Data.SQLite\bin\System.Data.SQLite.dll
// C:\Src\SQLite.NET\bin\ManagedOnly\System.Data.SQLite.dll

#include <windef.h>

#pragma data_seg(push,clrseg,".clr")
#pragma comment(linker, "/SECTION:.clr,ER")
  char __ph[157996] = {0}; // The number of bytes to reserve
  char __ph[155780] = {0}; // The number of bytes to reserve
#pragma data_seg(pop,clrseg)

typedef BOOL (WINAPI *DLLMAIN)(HANDLE, DWORD, LPVOID);
typedef struct EXTRA_STUFF
{
  DWORD dwNativeEntryPoint;
} EXTRA_STUFF, *LPEXTRA_STUFF;
︙
Changes to SQLite.Interop/src/sqlite3.c.

more than 10,000 changes

Changes to SQLite.Interop/src/sqlite3.h.
︙
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** on how SQLite interfaces are suppose to operate.
**
** The name of this file under configuration management is "sqlite.h.in".
** The makefile makes some minor changes to this file (such as inserting
** the version number) and changes its name to "sqlite3.h" as
** part of the build process.
**
** @(#) $Id: sqlite3.h,v 1.38 2008/09/22 16:30:23 rmsimpson Exp $
** @(#) $Id: sqlite3.h,v 1.36 2008/08/06 21:45:32 rmsimpson Exp $
*/
#ifndef _SQLITE3_H_
#define _SQLITE3_H_
#include <stdarg.h>     /* Needed for the definition of va_list */

/*
** Make sure we can call this stuff from C++.
*/
#ifdef __cplusplus
extern "C" {
#endif


/*
** Add the ability to override 'extern'
*/
#ifndef SQLITE_EXTERN
# define SQLITE_EXTERN extern
#endif

/*
** Add the ability to mark interfaces as deprecated.
*/
#if (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1))
  /* GCC added the deprecated attribute in version 3.1 */
  #define SQLITE_DEPRECATED __attribute__ ((deprecated))
#elif defined(_MSC_VER) && (_MSC_VER>1200) 
  #define SQLITE_DEPRECATED __declspec(deprecated)
#else
  #define SQLITE_DEPRECATED
#endif

/*
** Add the ability to mark interfaces as experimental.
*/
#if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))
  /* I can confirm that it does not work on version 4.1.0... */
  /* First appears in GCC docs for version 4.3.0 */
  #define SQLITE_EXPERIMENTAL __attribute__ ((warning ("is experimental")))
#elif defined(_MSC_VER) && (_MSC_VER>1200) 
  #define SQLITE_EXPERIMENTAL __declspec(deprecated("was declared experimental"))
#else
  #define SQLITE_EXPERIMENTAL
#endif

/*
** Ensure these symbols were not defined by some previous header file.
*/
#ifdef SQLITE_VERSION
# undef SQLITE_VERSION
#endif
#ifdef SQLITE_VERSION_NUMBER
︙
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**          evaluate to a string literal that is the SQLite version
**          with which the header file is associated.
**
** {H10014} The SQLITE_VERSION_NUMBER #define shall resolve to an integer
**          with the value (X*1000000 + Y*1000 + Z) where X, Y, and Z
**          are the major version, minor version, and release number.
*/
#define SQLITE_VERSION         "3.6.3"
#define SQLITE_VERSION_NUMBER  3006003
#define SQLITE_VERSION         "3.6.1"
#define SQLITE_VERSION_NUMBER  3006001

/*
** CAPI3REF: Run-Time Library Version Numbers {H10020} <S60100>
** KEYWORDS: sqlite3_version
**
** These features provide the same information as the [SQLITE_VERSION]
** and [SQLITE_VERSION_NUMBER] #defines in the header, but are associated
︙
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const char *sqlite3_libversion(void);
int sqlite3_libversion_number(void);

/*
** CAPI3REF: Test To See If The Library Is Threadsafe {H10100} <S60100>
**
** SQLite can be compiled with or without mutexes.  When
** the [SQLITE_THREADSAFE] C preprocessor macro 1 or 2, mutexes
** are enabled and SQLite is threadsafe.  When the
** the [SQLITE_THREADSAFE] C preprocessor macro is true, mutexes
** are enabled and SQLite is threadsafe.  When that macro is false,
** [SQLITE_THREADSAFE] macro is 0, 
** the mutexes are omitted.  Without the mutexes, it is not safe
** to use SQLite concurrently from more than one thread.
**
** Enabling mutexes incurs a measurable performance penalty.
** So if speed is of utmost importance, it makes sense to disable
** the mutexes.  But for maximum safety, mutexes should be enabled.
** The default behavior is for mutexes to be enabled.
︙
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** SQLITE_THREADSAFE=1 then mutexes are enabled by default but
** can be fully or partially disabled using a call to [sqlite3_config()]
** with the verbs [SQLITE_CONFIG_SINGLETHREAD], [SQLITE_CONFIG_MULTITHREAD],
** or [SQLITE_CONFIG_MUTEX].  The return value of this function shows
** only the default compile-time setting, not any run-time changes
** to that setting.
**
** See the [threading mode] documentation for additional information.
**
** INVARIANTS:
**
** {H10101} The [sqlite3_threadsafe()] function shall return nonzero if
**          and only if
**          SQLite was compiled with the its mutexes enabled by default.
**          SQLite was compiled with the its mutexes enabled by default
**          or zero if SQLite was compiled such that mutexes are
**          permanently disabled.
**
** {H10102} The value returned by the [sqlite3_threadsafe()] function
**          shall not change when mutex setting are modified at
**          runtime using the [sqlite3_config()] interface and 
**          especially the [SQLITE_CONFIG_SINGLETHREAD],
**          [SQLITE_CONFIG_MULTITHREAD], [SQLITE_CONFIG_SERIALIZED],
**          and [SQLITE_CONFIG_MUTEX] verbs.
︙
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#define SQLITE_IOERR_UNLOCK            (SQLITE_IOERR | (8<<8))
#define SQLITE_IOERR_RDLOCK            (SQLITE_IOERR | (9<<8))
#define SQLITE_IOERR_DELETE            (SQLITE_IOERR | (10<<8))
#define SQLITE_IOERR_BLOCKED           (SQLITE_IOERR | (11<<8))
#define SQLITE_IOERR_NOMEM             (SQLITE_IOERR | (12<<8))
#define SQLITE_IOERR_ACCESS            (SQLITE_IOERR | (13<<8))
#define SQLITE_IOERR_CHECKRESERVEDLOCK (SQLITE_IOERR | (14<<8))
#define SQLITE_IOERR_LOCK              (SQLITE_IOERR | (15<<8))

/*
** CAPI3REF: Flags For File Open Operations {H10230} <H11120> <H12700>
**
** These bit values are intended for use in the
** 3rd parameter to the [sqlite3_open_v2()] interface and
** in the 4th parameter to the xOpen method of the
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-








#define SQLITE_OPEN_TEMP_DB          0x00000200
#define SQLITE_OPEN_TRANSIENT_DB     0x00000400
#define SQLITE_OPEN_MAIN_JOURNAL     0x00000800
#define SQLITE_OPEN_TEMP_JOURNAL     0x00001000
#define SQLITE_OPEN_SUBJOURNAL       0x00002000
#define SQLITE_OPEN_MASTER_JOURNAL   0x00004000
#define SQLITE_OPEN_NOMUTEX          0x00008000
#define SQLITE_OPEN_FULLMUTEX        0x00010000

/*
** CAPI3REF: Device Characteristics {H10240} <H11120>
**
** The xDeviceCapabilities method of the [sqlite3_io_methods]
** object returns an integer which is a vector of the these
** bit values expressing I/O characteristics of the mass storage
︙
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-
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** vary depending on the [SQLITE_CONFIG_SINGLETHREAD | configuration option]
** in the first argument.
**
** When a configuration option is set, sqlite3_config() returns SQLITE_OK.
** If the option is unknown or SQLite is unable to set the option
** then this routine returns a non-zero [error code].
*/
SQLITE_EXPERIMENTAL int sqlite3_config(int, ...);
int sqlite3_config(int, ...);

/*
** CAPI3REF: Configure database connections  {H10180} <S20000>
** EXPERIMENTAL
**
** The sqlite3_db_config() interface is used to make configuration
** changes to a [database connection].  The interface is similar to
** [sqlite3_config()] except that the changes apply to a single
** [database connection] (specified in the first argument).  The
** sqlite3_db_config() interface can only be used immediately after
** the database connection is created using [sqlite3_open()],
** [sqlite3_open16()], or [sqlite3_open_v2()].  
**
** The second argument to sqlite3_db_config(D,V,...)  is the
** configuration verb - an integer code that indicates what
** aspect of the [database connection] is being configured.
** The only choice for this value is [SQLITE_DBCONFIG_LOOKASIDE].
** New verbs are likely to be added in future releases of SQLite.
** Additional arguments depend on the verb.
*/
SQLITE_EXPERIMENTAL int sqlite3_db_config(sqlite3*, int op, ...);
int sqlite3_db_config(sqlite3*, int op, ...);

/*
** CAPI3REF: Memory Allocation Routines {H10155} <S20120>
** EXPERIMENTAL
**
** An instance of this object defines the interface between SQLite
** and low-level memory allocation routines.
︙
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**
** <dt>SQLITE_CONFIG_MULTITHREAD</dt>
** <dd>There are no arguments to this option.  This option disables
** mutexing on [database connection] and [prepared statement] objects.
** The application is responsible for serializing access to
** [database connections] and [prepared statements].  But other mutexes
** are enabled so that SQLite will be safe to use in a multi-threaded
** environment as long as no two threads attempt to use the same
** environment.</dd>
** [database connection] at the same time.  See the [threading mode]
** documentation for additional information.</dd>
**
** <dt>SQLITE_CONFIG_SERIALIZED</dt>
** <dd>There are no arguments to this option.  This option enables
** all mutexes including the recursive
** mutexes on [database connection] and [prepared statement] objects.
** In this mode (which is the default when SQLite is compiled with
** [SQLITE_THREADSAFE=1]) the SQLite library will itself serialize access
** to [database connections] and [prepared statements] so that the
** application is free to use the same [database connection] or the
** same [prepared statement] in different threads at the same time.
** See the [threading mode] documentation for additional information.</dd>
**
** <p>This configuration option merely sets the default mutex 
** behavior to serialize access to [database connections].  Individual
** [database connections] can override this setting
** using the [SQLITE_OPEN_NOMUTEX] flag to [sqlite3_open_v2()].</p></dd>
**
** <dt>SQLITE_CONFIG_MALLOC</dt>
** <dd>This option takes a single argument which is a pointer to an
** instance of the [sqlite3_mem_methods] structure.  The argument specifies
** alternative low-level memory allocation routines to be used in place of
** the memory allocation routines built into SQLite.</dd>
**
︙
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** this is important.
**
** There can only be a single busy handler defined for each
** [database connection].  Setting a new busy handler clears any
** previously set handler.  Note that calling [sqlite3_busy_timeout()]
** will also set or clear the busy handler.
**
** The busy callback should not take any actions which modify the
** database connection that invoked the busy handler.  Any such actions
** result in undefined behavior.
** 
** INVARIANTS:
**
** {H12311} The [sqlite3_busy_handler(D,C,A)] function shall replace
**          busy callback in the [database connection] D with a new
**          a new busy handler C and application data pointer A.
**
** {H12312} Newly created [database connections] shall have a busy
︙
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** in addition to using an authorizer.
**
** Only a single authorizer can be in place on a database connection
** at a time.  Each call to sqlite3_set_authorizer overrides the
** previous call.  Disable the authorizer by installing a NULL callback.
** The authorizer is disabled by default.
**
** The authorizer callback must not do anything that will modify
** the database connection that invoked the authorizer callback.
** Note that [sqlite3_prepare_v2()] and [sqlite3_step()] both modify their
** database connections for the meaning of "modify" in this paragraph.
**
** When [sqlite3_prepare_v2()] is used to prepare a statement, the
** statement might be reprepared during [sqlite3_step()] due to a 
** schema change.  Hence, the application should ensure that the
** correct authorizer callback remains in place during the [sqlite3_step()].
**
** Note that the authorizer callback is invoked only during
** [sqlite3_prepare()] or its variants.  Authorization is not
** performed during statement evaluation in [sqlite3_step()].
**
** INVARIANTS:
**
** {H12501} The [sqlite3_set_authorizer(D,...)] interface registers a
**          authorizer callback with database connection D.
**
** {H12502} The authorizer callback is invoked as SQL statements are
**          being parseed and compiled.
**          being compiled.
**
** {H12503} If the authorizer callback returns any value other than
**          [SQLITE_IGNORE], [SQLITE_OK], or [SQLITE_DENY], then
**          the application interface call that caused
**          the [sqlite3_prepare_v2()] or equivalent call that caused
**          the authorizer callback to run shall fail with an
**          [SQLITE_ERROR] error code and an appropriate error message.
**
** {H12504} When the authorizer callback returns [SQLITE_OK], the operation
**          described is processed normally.
**
** {H12505} When the authorizer callback returns [SQLITE_DENY], the
**          application interface call that caused the
**          [sqlite3_prepare_v2()] or equivalent call that caused the
**          authorizer callback to run shall fail
**          with an [SQLITE_ERROR] error code and an error message
**          explaining that access is denied.
**
** {H12506} If the authorizer code (the 2nd parameter to the authorizer
**          callback) is [SQLITE_READ] and the authorizer callback returns
**          [SQLITE_IGNORE], then the prepared statement is constructed to
︙
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** is the name of the inner-most trigger or view that is responsible for
** the access attempt or NULL if this access attempt is directly from
** top-level SQL code.
**
** INVARIANTS:
**
** {H12551} The second parameter to an
**          [sqlite3_set_authorizer | authorizer callback] shall be an integer
**          [sqlite3_set_authorizer | authorizer callback] is always an integer
**          [SQLITE_COPY | authorizer code] that specifies what action
**          is being authorized.
**
** {H12552} The 3rd and 4th parameters to the
**          [sqlite3_set_authorizer | authorization callback]
**          shall be parameters or NULL depending on which
**          will be parameters or NULL depending on which
**          [SQLITE_COPY | authorizer code] is used as the second parameter.
**
** {H12553} The 5th parameter to the
**          [sqlite3_set_authorizer | authorizer callback] shall be the name
**          [sqlite3_set_authorizer | authorizer callback] is the name
**          of the database (example: "main", "temp", etc.) if applicable.
**
** {H12554} The 6th parameter to the
**          [sqlite3_set_authorizer | authorizer callback] shall be the name
**          [sqlite3_set_authorizer | authorizer callback] is the name
**          of the inner-most trigger or view that is responsible for
**          the access attempt or NULL if this access attempt is directly from
**          top-level SQL code.
*/
/******************************************* 3rd ************ 4th ***********/
#define SQLITE_CREATE_INDEX          1   /* Index Name      Table Name      */
#define SQLITE_CREATE_TABLE          2   /* Table Name      NULL            */
︙
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** The callback function registered by sqlite3_profile() is invoked
** as each SQL statement finishes.  The profile callback contains
** the original statement text and an estimate of wall-clock time
** of how long that statement took to run.
**
** INVARIANTS:
**
** {H12281} The callback function registered by [sqlite3_trace()] 
** {H12281} The callback function registered by [sqlite3_trace()] is
**          shall be invoked
**          whenever an SQL statement first begins to execute and
**          whenever a trigger subprogram first begins to run.
**
** {H12282} Each call to [sqlite3_trace()] shall override the previously
** {H12282} Each call to [sqlite3_trace()] overrides the previously
**          registered trace callback.
**
** {H12283} A NULL trace callback shall disable tracing.
** {H12283} A NULL trace callback disables tracing.
**
** {H12284} The first argument to the trace callback shall be a copy of
** {H12284} The first argument to the trace callback is a copy of
**          the pointer which was the 3rd argument to [sqlite3_trace()].
**
** {H12285} The second argument to the trace callback is a
**          zero-terminated UTF-8 string containing the original text
**          of the SQL statement as it was passed into [sqlite3_prepare_v2()]
**          or the equivalent, or an SQL comment indicating the beginning
**          of a trigger subprogram.
︙
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**          the SQL statement as it was processed by [sqlite3_prepare_v2()]
**          or the equivalent.
**
** {H12290} The third parameter to the profile callback is an estimate
**          of the number of nanoseconds of wall-clock time required to
**          run the SQL statement from start to finish.
*/
SQLITE_EXPERIMENTAL void *sqlite3_trace(sqlite3*, void(*xTrace)(void*,const char*), void*);
SQLITE_EXPERIMENTAL void *sqlite3_profile(sqlite3*,
void *sqlite3_trace(sqlite3*, void(*xTrace)(void*,const char*), void*);
void *sqlite3_profile(sqlite3*,
   void(*xProfile)(void*,const char*,sqlite3_uint64), void*);

/*
** CAPI3REF: Query Progress Callbacks {H12910} <S60400>
**
** This routine configures a callback function - the
** progress callback - that is invoked periodically during long
** running calls to [sqlite3_exec()], [sqlite3_step()] and
** [sqlite3_get_table()].  An example use for this
** interface is to keep a GUI updated during a large query.
**
** If the progress callback returns non-zero, the operation is
** interrupted.  This feature can be used to implement a
** "Cancel" button on a GUI progress dialog box.
** "Cancel" button on a GUI dialog box.
**
** The progress handler must not do anything that will modify
** the database connection that invoked the progress handler.
** Note that [sqlite3_prepare_v2()] and [sqlite3_step()] both modify their
** database connections for the meaning of "modify" in this paragraph.
**
** INVARIANTS:
**
** {H12911} The callback function registered by sqlite3_progress_handler()
**          is invoked periodically during long running calls to
**          [sqlite3_step()].
**
︙
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** associated with the [database connection] handle should be released by
** passing it to [sqlite3_close()] when it is no longer required.
**
** The sqlite3_open_v2() interface works like sqlite3_open()
** except that it accepts two additional parameters for additional control
** over the new database connection.  The flags parameter can take one of
** the following three values, optionally combined with the 
** [SQLITE_OPEN_NOMUTEX] or [SQLITE_OPEN_FULLMUTEX] flags:
** [SQLITE_OPEN_NOMUTEX] flag:
**
** <dl>
** <dt>[SQLITE_OPEN_READONLY]</dt>
** <dd>The database is opened in read-only mode.  If the database does not
** already exist, an error is returned.</dd>
**
** <dt>[SQLITE_OPEN_READWRITE]</dt>
** <dd>The database is opened for reading and writing if possible, or reading
** only if the file is write protected by the operating system.  In either
** case the database must already exist, otherwise an error is returned.</dd>
**
** <dt>[SQLITE_OPEN_READWRITE] | [SQLITE_OPEN_CREATE]</dt>
** <dd>The database is opened for reading and writing, and is creates it if
** it does not already exist. This is the behavior that is always used for
** sqlite3_open() and sqlite3_open16().</dd>
** </dl>
**
** If the 3rd parameter to sqlite3_open_v2() is not one of the
** combinations shown above or one of the combinations shown above combined
** with the [SQLITE_OPEN_NOMUTEX] or [SQLITE_OPEN_FULLMUTEX] flags,
** with the [SQLITE_OPEN_NOMUTEX] flag, then the behavior is undefined.
** then the behavior is undefined.
**
** If the [SQLITE_OPEN_NOMUTEX] flag is set, then the database connection
** opens in the multi-thread [threading mode] as long as the single-thread
** If the [SQLITE_OPEN_NOMUTEX] flag is set, then mutexes on the
** opened [database connection] are disabled and the appliation must
** mode has not been set at compile-time or start-time.  If the
** [SQLITE_OPEN_FULLMUTEX] flag is set then the database connection opens
** in the serialized [threading mode] unless single-thread was
** previously selected at compile-time or start-time.
** insure that access to the [database connection] and its associated
** [prepared statements] is serialized.  The [SQLITE_OPEN_NOMUTEX] flag
** is the default behavior is SQLite is configured using the
** [SQLITE_CONFIG_MULTITHREAD] or [SQLITE_CONFIG_SINGLETHREAD] options
** to [sqlite3_config()].  The [SQLITE_OPEN_NOMUTEX] flag only makes a
** difference when SQLite is in its default [SQLITE_CONFIG_SERIALIZED] mode.
**
** If the filename is ":memory:", then a private, temporary in-memory database
** is created for the connection.  This in-memory database will vanish when
** the database connection is closed.  Future versions of SQLite might
** make use of additional special filenames that begin with the ":" character.
** It is recommended that when a database filename actually does begin with
** a ":" character you should prefix the filename with a pathname such as
︙
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**          for reading only.
**
** {H12712} If the G parameter to [sqlite3_open_v2(F,D,G,V)] contains the
**          bit value [SQLITE_OPEN_READWRITE] then the database is opened
**          reading and writing if possible, or for reading only if the
**          file is write protected by the operating system.
**
** {H12713} If the G parameter to [sqlite3_open_v2(F,D,G,V)] omits the
** {H12713} If the G parameter to [sqlite3_open(v2(F,D,G,V)] omits the
**          bit value [SQLITE_OPEN_CREATE] and the database does not
**          previously exist, an error is returned.
**
** {H12714} If the G parameter to [sqlite3_open_v2(F,D,G,V)] contains the
** {H12714} If the G parameter to [sqlite3_open(v2(F,D,G,V)] contains the
**          bit value [SQLITE_OPEN_CREATE] and the database does not
**          previously exist, then an attempt is made to create and
**          initialize the database.
**
** {H12717} If the filename argument to [sqlite3_open()], [sqlite3_open16()],
**          or [sqlite3_open_v2()] is ":memory:", then an private,
**          ephemeral, in-memory database is created for the connection.
︙
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**
** The second parameter is the name of the SQL function to be created or
** redefined.  The length of the name is limited to 255 bytes, exclusive of
** the zero-terminator.  Note that the name length limit is in bytes, not
** characters.  Any attempt to create a function with a longer name
** will result in [SQLITE_ERROR] being returned.
**
** The third parameter (nArg)
** is the number of arguments that the SQL function or
** The third parameter is the number of arguments that the SQL function or
** aggregate takes. If this parameter is negative, then the SQL function or
** aggregate may take any number of arguments.
**
** The fourth parameter, eTextRep, specifies what
** [SQLITE_UTF8 | text encoding] this SQL function prefers for
** its parameters.  Any SQL function implementation should be able to work
** work with UTF-8, UTF-16le, or UTF-16be.  But some implementations may be
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** and xFinal and NULL should be passed for xFunc. To delete an existing
** SQL function or aggregate, pass NULL for all three function callbacks.
**
** It is permitted to register multiple implementations of the same
** functions with the same name but with either differing numbers of
** arguments or differing preferred text encodings.  SQLite will use
** the implementation most closely matches the way in which the
** SQL function is used.  A function implementation with a non-negative
** SQL function is used.
** nArg parameter is a better match than a function implementation with
** a negative nArg.  A function where the preferred text encoding
** matches the database encoding is a better
** match than a function where the encoding is different.  
** A function where the encoding difference is between UTF16le and UTF16be
** is a closer match than a function where the encoding difference is
** between UTF8 and UTF16.
**
** Built-in functions may be overloaded by new application-defined functions.
** The first application-defined function with a given name overrides all
** built-in functions in the same [database connection] with the same name.
** Subsequent application-defined functions of the same name only override 
** prior application-defined functions that are an exact match for the
** number of parameters and preferred encoding.
**
** An application-defined function is permitted to call other
** SQLite interfaces.  However, such calls must not
** close the database connection nor finalize or reset the prepared
** statement in which the function is running.
**
** INVARIANTS:
**
** {H16103} The [sqlite3_create_function16(D,X,...)] interface shall behave
**          as [sqlite3_create_function(D,X,...)] in every way except that it
**          interprets the X argument as zero-terminated UTF-16
** {H16103} The [sqlite3_create_function16()] interface behaves exactly
**          like [sqlite3_create_function()] in every way except that it
**          interprets the zFunctionName argument as zero-terminated UTF-16
**          native byte order instead of as zero-terminated UTF-8.
**
** {H16106} A successful invocation of the
**          [sqlite3_create_function(D,X,N,E,...)] interface shall register
** {H16106} A successful invocation of
**          the [sqlite3_create_function(D,X,N,E,...)] interface registers
**          or replaces callback functions in the [database connection] D
**          used to implement the SQL function named X with N parameters
**          and having a preferred text encoding of E.
**
** {H16109} A successful call to [sqlite3_create_function(D,X,N,E,P,F,S,L)]
**          shall replace the P, F, S, and L values from any prior calls with
**          replaces the P, F, S, and L values from any prior calls with
**          the same D, X, N, and E values.
**
** {H16112} The [sqlite3_create_function(D,X,...)] interface shall fail
**          if the SQL function name X is
** {H16112} The [sqlite3_create_function(D,X,...)] interface fails with
**          a return code of [SQLITE_ERROR] if the SQL function name X is
**          longer than 255 bytes exclusive of the zero terminator.
**
** {H16118} The [sqlite3_create_function(D,X,N,E,P,F,S,L)] interface
**          shall fail unless either F is NULL and S and L are non-NULL or
***         F is non-NULL and S and L are NULL.
** {H16118} Either F must be NULL and S and L are non-NULL or else F
**          is non-NULL and S and L are NULL, otherwise
**          [sqlite3_create_function(D,X,N,E,P,F,S,L)] returns [SQLITE_ERROR].
**
** {H16121} The [sqlite3_create_function(D,...)] interface shall fails with an
** {H16121} The [sqlite3_create_function(D,...)] interface fails with an
**          error code of [SQLITE_BUSY] if there exist [prepared statements]
**          associated with the [database connection] D.
**
** {H16124} The [sqlite3_create_function(D,X,N,...)] interface shall fail with
**          an error code of [SQLITE_ERROR] if parameter N is less
** {H16124} The [sqlite3_create_function(D,X,N,...)] interface fails with an
**          error code of [SQLITE_ERROR] if parameter N (specifying the number
**          of arguments to the SQL function being registered) is less
**          than -1 or greater than 127.
**
** {H16127} When N is non-negative, the [sqlite3_create_function(D,X,N,...)]
**          interface shall register callbacks to be invoked for the
**          interface causes callbacks to be invoked for the SQL function
**          SQL function
**          named X when the number of arguments to the SQL function is
**          exactly N.
**
** {H16130} When N is -1, the [sqlite3_create_function(D,X,N,...)]
**          interface shall register callbacks to be invoked for the SQL
**          function named X with any number of arguments.
**          interface causes callbacks to be invoked for the SQL function
**          named X with any number of arguments.
**
** {H16133} When calls to [sqlite3_create_function(D,X,N,...)]
**          specify multiple implementations of the same function X
**          and when one implementation has N>=0 and the other has N=(-1)
**          the implementation with a non-zero N shall be preferred.
**          the implementation with a non-zero N is preferred.
**
** {H16136} When calls to [sqlite3_create_function(D,X,N,E,...)]
**          specify multiple implementations of the same function X with
**          the same number of arguments N but with different
**          encodings E, then the implementation where E matches the
**          database encoding shall preferred.
**          database encoding is preferred.
**
** {H16139} For an aggregate SQL function created using
**          [sqlite3_create_function(D,X,N,E,P,0,S,L)] the finalizer
**          function L shall always be invoked exactly once if the
**          function L will always be invoked exactly once if the
**          step function S is called one or more times.
**
** {H16142} When SQLite invokes either the xFunc or xStep function of
**          an application-defined SQL function or aggregate created
**          by [sqlite3_create_function()] or [sqlite3_create_function16()],
**          then the array of [sqlite3_value] objects passed as the
**          third parameter shall be [protected sqlite3_value] objects.
**          third parameter are always [protected sqlite3_value] objects.
*/
int sqlite3_create_function(
  sqlite3 *db,
  const char *zFunctionName,
  int nArg,
  int eTextRep,
  void *pApp,
︙
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-
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**
** These functions are [deprecated].  In order to maintain
** backwards compatibility with older code, these functions continue 
** to be supported.  However, new applications should avoid
** the use of these functions.  To help encourage people to avoid
** using these functions, we are not going to tell you want they do.
*/
SQLITE_DEPRECATED int sqlite3_aggregate_count(sqlite3_context*);
SQLITE_DEPRECATED int sqlite3_expired(sqlite3_stmt*);
SQLITE_DEPRECATED int sqlite3_transfer_bindings(sqlite3_stmt*, sqlite3_stmt*);
SQLITE_DEPRECATED int sqlite3_global_recover(void);
SQLITE_DEPRECATED void sqlite3_thread_cleanup(void);
SQLITE_DEPRECATED int sqlite3_memory_alarm(void(*)(void*,sqlite3_int64,int),void*,sqlite3_int64);
int sqlite3_aggregate_count(sqlite3_context*);
int sqlite3_expired(sqlite3_stmt*);
int sqlite3_transfer_bindings(sqlite3_stmt*, sqlite3_stmt*);
int sqlite3_global_recover(void);
void sqlite3_thread_cleanup(void);
int sqlite3_memory_alarm(void(*)(void*,sqlite3_int64,int),void*,sqlite3_int64);

/*
** CAPI3REF: Obtaining SQL Function Parameter Values {H15100} <S20200>
**
** The C-language implementation of SQL functions and aggregates uses
** this set of interface routines to access the parameter values on
** the function or aggregate.
︙
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** The pArg argument is passed through to the callback.
** If the callback on a commit hook function returns non-zero,
** then the commit is converted into a rollback.
**
** If another function was previously registered, its
** pArg value is returned.  Otherwise NULL is returned.
**
** The callback implementation must not do anything that will modify
** the database connection that invoked the callback.  Any actions
** to modify the database connection must be deferred until after the
** completion of the [sqlite3_step()] call that triggered the commit
** or rollback hook in the first place.
** Note that [sqlite3_prepare_v2()] and [sqlite3_step()] both modify their
** database connections for the meaning of "modify" in this paragraph.
**
** Registering a NULL function disables the callback.
**
** For the purposes of this API, a transaction is said to have been
** rolled back if an explicit "ROLLBACK" statement is executed, or
** an error or constraint causes an implicit rollback to occur.
** The rollback callback is not invoked if a transaction is
** automatically rolled back because the database connection is closed.
︙
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** database and table name containing the affected row.
** The final callback parameter is the rowid of the row. In the case of
** an update, this is the rowid after the update takes place.
**
** The update hook is not invoked when internal system tables are
** modified (i.e. sqlite_master and sqlite_sequence).
**
** The update hook implementation must not do anything that will modify
** the database connection that invoked the update hook.  Any actions
** to modify the database connection must be deferred until after the
** completion of the [sqlite3_step()] call that triggered the update hook.
** Note that [sqlite3_prepare_v2()] and [sqlite3_step()] both modify their
** database connections for the meaning of "modify" in this paragraph.
**
** If another function was previously registered, its pArg value
** is returned.  Otherwise NULL is returned.
**
** INVARIANTS:
**
** {H12971} The [sqlite3_update_hook(D,F,P)] interface causes the callback
**          function F to be invoked with first parameter P whenever
︙
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** [database connection].  Module names must be registered before
** creating new virtual tables on the module, or before using
** preexisting virtual tables of the module.
**
** This interface is experimental and is subject to change or
** removal in future releases of SQLite.
*/
SQLITE_EXPERIMENTAL int sqlite3_create_module(
int sqlite3_create_module(
  sqlite3 *db,               /* SQLite connection to register module with */
  const char *zName,         /* Name of the module */
  const sqlite3_module *,    /* Methods for the module */
  void *                     /* Client data for xCreate/xConnect */
);

/*
** CAPI3REF: Register A Virtual Table Implementation {H18210} <S20400>
** EXPERIMENTAL
**
** This routine is identical to the [sqlite3_create_module()] method above,
** except that it allows a destructor function to be specified. It is
** even more experimental than the rest of the virtual tables API.
*/
SQLITE_EXPERIMENTAL int sqlite3_create_module_v2(
int sqlite3_create_module_v2(
  sqlite3 *db,               /* SQLite connection to register module with */
  const char *zName,         /* Name of the module */
  const sqlite3_module *,    /* Methods for the module */
  void *,                    /* Client data for xCreate/xConnect */
  void(*xDestroy)(void*)     /* Module destructor function */
);
︙
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** The xCreate and xConnect methods of a module use the following API
** to declare the format (the names and datatypes of the columns) of
** the virtual tables they implement.
**
** This interface is experimental and is subject to change or
** removal in future releases of SQLite.
*/
SQLITE_EXPERIMENTAL int sqlite3_declare_vtab(sqlite3*, const char *zCreateTable);
int sqlite3_declare_vtab(sqlite3*, const char *zCreateTable);

/*
** CAPI3REF: Overload A Function For A Virtual Table {H18300} <S20400>
** EXPERIMENTAL
**
** Virtual tables can provide alternative implementations of functions
** using the xFindFunction method.  But global versions of those functions
** must exist in order to be overloaded.
**
** This API makes sure a global version of a function with a particular
** name and number of parameters exists.  If no such function exists
** before this API is called, a new function is created.  The implementation
** of the new function always causes an exception to be thrown.  So
** the new function is not good for anything by itself.  Its only
** purpose is to be a placeholder function that can be overloaded
** by virtual tables.
**
** This API should be considered part of the virtual table interface,
** which is experimental and subject to change.
*/
SQLITE_EXPERIMENTAL int sqlite3_overload_function(sqlite3*, const char *zFuncName, int nArg);
int sqlite3_overload_function(sqlite3*, const char *zFuncName, int nArg);

/*
** The interface to the virtual-table mechanism defined above (back up
** to a comment remarkably similar to this one) is currently considered
** to be experimental.  The interface might change in incompatible ways.
** If this is a problem for you, do not use the interface at this time.
**
︙
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** interfaces.  However the values returned in *pCurrent and
** *pHighwater reflect the status of SQLite at different points in time
** and it is possible that another thread might change the parameter
** in between the times when *pCurrent and *pHighwater are written.
**
** See also: [sqlite3_db_status()]
*/
SQLITE_EXPERIMENTAL int sqlite3_status(int op, int *pCurrent, int *pHighwater, int resetFlag);
int sqlite3_status(int op, int *pCurrent, int *pHighwater, int resetFlag);

/*
** CAPI3REF: Database Connection Status {H17201} <S60200>
** EXPERIMENTAL
**
** This interface is used to retrieve runtime status information 
** about a single [database connection].  The first argument is the
** database connection object to be interrogated.  The second argument
** is the parameter to interrogate.  Currently, the only allowed value
** for the second parameter is [SQLITE_DBSTATUS_LOOKASIDE_USED].
** Additional options will likely appear in future releases of SQLite.
**
** The current value of the request parameter is written into *pCur
** and the highest instantaneous value is written into *pHiwtr.  If
** the resetFlg is true, then the highest instantaneous value is
** reset back down to the current value.
**
** See also: [sqlite3_status()].
*/
SQLITE_EXPERIMENTAL int sqlite3_db_status(sqlite3*, int op, int *pCur, int *pHiwtr, int resetFlg);
int sqlite3_db_status(sqlite3*, int op, int *pCur, int *pHiwtr, int resetFlg);


int sqlite3_wsd_init(int N, int J);
void *sqlite3_wsd_find(void *K, int L);

/*
** CAPI3REF: Status Parameters {H17250} <H17200>
** EXPERIMENTAL
**
** These integer constants designate various run-time status parameters
** that can be returned by [sqlite3_status()].
︙
Changes to SQLite.Interop/src/sqlite3ext.h.
︙
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-
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*************************************************************************
** This header file defines the SQLite interface for use by
** shared libraries that want to be imported as extensions into
** an SQLite instance.  Shared libraries that intend to be loaded
** as extensions by SQLite should #include this file instead of 
** sqlite3.h.
**
** @(#) $Id: sqlite3ext.h,v 1.15 2008/09/22 16:30:23 rmsimpson Exp $
** @(#) $Id: sqlite3ext.h,v 1.13 2008/08/06 21:45:32 rmsimpson Exp $
*/
#ifndef _SQLITE3EXT_H_
#define _SQLITE3EXT_H_
#include "sqlite3.h"

typedef struct sqlite3_api_routines sqlite3_api_routines;
︙
Changes to SQLite.NET.sln.
︙
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EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "System.Data.SQLite - Compact", "System.Data.SQLite\System.Data.SQLite - Compact.csproj", "{AC139951-261A-4463-B6FA-AEBC25283A66}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "test", "test\test.csproj", "{E27B1B1E-19C0-45E8-AA74-B6E1C041A130}"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "SQLite.Interop", "SQLite.Interop\SQLite.Interop.vcproj", "{10B51CE8-A838-44DE-BD82-B658F0296F80}"
	ProjectSection(ProjectDependencies) = postProject
		{AC139951-261A-4463-B6FA-AEBC25283A66} = {AC139951-261A-4463-B6FA-AEBC25283A66}
		{AC139952-261A-4463-B6FA-AEBC25283A66} = {AC139952-261A-4463-B6FA-AEBC25283A66}
	EndProjectSection
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "testce", "testce\testce.csproj", "{B86CE504-C4E4-496F-A0F0-E613BCFD3DF7}"
	ProjectSection(ProjectDependencies) = postProject
		{AC139951-261A-4463-B6FA-AEBC25283A66} = {AC139951-261A-4463-B6FA-AEBC25283A66}
		{10B51CE8-A838-44DE-BD82-B658F0296F80} = {10B51CE8-A838-44DE-BD82-B658F0296F80}
︙
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		{E27B1B1E-19C0-45E8-AA74-B6E1C041A130}.Release|Mixed Platforms.ActiveCfg = Release|Any CPU
		{E27B1B1E-19C0-45E8-AA74-B6E1C041A130}.Release|Mixed Platforms.Build.0 = Release|Any CPU
		{E27B1B1E-19C0-45E8-AA74-B6E1C041A130}.Release|Win32.ActiveCfg = Release|x86
		{E27B1B1E-19C0-45E8-AA74-B6E1C041A130}.Release|Win32.Build.0 = Release|x86
		{E27B1B1E-19C0-45E8-AA74-B6E1C041A130}.Release|x64.ActiveCfg = Release|x64
		{E27B1B1E-19C0-45E8-AA74-B6E1C041A130}.Release|x64.Build.0 = Release|x64
		{10B51CE8-A838-44DE-BD82-B658F0296F80}.Debug - Stock|Any CPU.ActiveCfg = Debug|x64
		{10B51CE8-A838-44DE-BD82-B658F0296F80}.Debug - Stock|Compact Framework (ARMV4).ActiveCfg = StockDebug|Pocket PC 2003 (ARMV4)
		{10B51CE8-A838-44DE-BD82-B658F0296F80}.Debug - Stock|Compact Framework (ARMV4).Build.0 = StockDebug|Pocket PC 2003 (ARMV4)
		{10B51CE8-A838-44DE-BD82-B658F0296F80}.Debug - Stock|Compact Framework (ARMV4).Deploy.0 = StockDebug|Pocket PC 2003 (ARMV4)
		{10B51CE8-A838-44DE-BD82-B658F0296F80}.Debug - Stock|Compact Framework (ARMV4).ActiveCfg = Debug|Pocket PC 2003 (ARMV4)
		{10B51CE8-A838-44DE-BD82-B658F0296F80}.Debug - Stock|Compact Framework (ARMV4).Build.0 = Debug|Pocket PC 2003 (ARMV4)
		{10B51CE8-A838-44DE-BD82-B658F0296F80}.Debug - Stock|Compact Framework (ARMV4).Deploy.0 = Debug|Pocket PC 2003 (ARMV4)
		{10B51CE8-A838-44DE-BD82-B658F0296F80}.Debug - Stock|Itanium.ActiveCfg = Debug|Itanium
		{10B51CE8-A838-44DE-BD82-B658F0296F80}.Debug - Stock|Itanium.Build.0 = Debug|Itanium
		{10B51CE8-A838-44DE-BD82-B658F0296F80}.Debug - Stock|Itanium.Deploy.0 = Debug|Itanium
		{10B51CE8-A838-44DE-BD82-B658F0296F80}.Debug - Stock|Mixed Platforms.ActiveCfg = Debug|x64
		{10B51CE8-A838-44DE-BD82-B658F0296F80}.Debug - Stock|Mixed Platforms.Build.0 = Debug|x64
		{10B51CE8-A838-44DE-BD82-B658F0296F80}.Debug - Stock|Win32.ActiveCfg = StockDebug|Win32
		{10B51CE8-A838-44DE-BD82-B658F0296F80}.Debug - Stock|Win32.Build.0 = StockDebug|Win32
		{10B51CE8-A838-44DE-BD82-B658F0296F80}.Debug - Stock|Win32.ActiveCfg = Debug|Win32
		{10B51CE8-A838-44DE-BD82-B658F0296F80}.Debug - Stock|Win32.Deploy.0 = Debug|Win32
		{10B51CE8-A838-44DE-BD82-B658F0296F80}.Debug - Stock|Win32.Deploy.0 = StockDebug|Win32
		{10B51CE8-A838-44DE-BD82-B658F0296F80}.Debug - Stock|x64.ActiveCfg = Debug|x64
		{10B51CE8-A838-44DE-BD82-B658F0296F80}.Debug - Stock|x64.Build.0 = Debug|x64
		{10B51CE8-A838-44DE-BD82-B658F0296F80}.Debug - Stock|x64.Deploy.0 = Debug|x64
		{10B51CE8-A838-44DE-BD82-B658F0296F80}.Debug|Any CPU.ActiveCfg = Debug|x64
		{10B51CE8-A838-44DE-BD82-B658F0296F80}.Debug|Compact Framework (ARMV4).ActiveCfg = Debug|Pocket PC 2003 (ARMV4)
		{10B51CE8-A838-44DE-BD82-B658F0296F80}.Debug|Compact Framework (ARMV4).Build.0 = Debug|Pocket PC 2003 (ARMV4)
		{10B51CE8-A838-44DE-BD82-B658F0296F80}.Debug|Compact Framework (ARMV4).Deploy.0 = Debug|Pocket PC 2003 (ARMV4)
︙
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		{10B51CE8-A838-44DE-BD82-B658F0296F80}.Release - Stock|Mixed Platforms.Build.0 = Release|x64
		{10B51CE8-A838-44DE-BD82-B658F0296F80}.Release - Stock|Win32.ActiveCfg = Release|Win32
		{10B51CE8-A838-44DE-BD82-B658F0296F80}.Release - Stock|x64.ActiveCfg = Release|x64
		{10B51CE8-A838-44DE-BD82-B658F0296F80}.Release - Stock|x64.Build.0 = Release|x64
		{10B51CE8-A838-44DE-BD82-B658F0296F80}.Release|Any CPU.ActiveCfg = Release|x64
		{10B51CE8-A838-44DE-BD82-B658F0296F80}.Release|Compact Framework (ARMV4).ActiveCfg = Release|Pocket PC 2003 (ARMV4)
		{10B51CE8-A838-44DE-BD82-B658F0296F80}.Release|Compact Framework (ARMV4).Build.0 = Release|Pocket PC 2003 (ARMV4)
		{10B51CE8-A838-44DE-BD82-B658F0296F80}.Release|Compact Framework (ARMV4).Deploy.0 = Release|Pocket PC 2003 (ARMV4)
		{10B51CE8-A838-44DE-BD82-B658F0296F80}.Release|Itanium.ActiveCfg = Release|Itanium
		{10B51CE8-A838-44DE-BD82-B658F0296F80}.Release|Itanium.Build.0 = Release|Itanium
		{10B51CE8-A838-44DE-BD82-B658F0296F80}.Release|Mixed Platforms.ActiveCfg = Release|x64
		{10B51CE8-A838-44DE-BD82-B658F0296F80}.Release|Mixed Platforms.Build.0 = Release|x64
		{10B51CE8-A838-44DE-BD82-B658F0296F80}.Release|Win32.ActiveCfg = Release|Win32
		{10B51CE8-A838-44DE-BD82-B658F0296F80}.Release|Win32.Build.0 = Release|Win32
		{10B51CE8-A838-44DE-BD82-B658F0296F80}.Release|x64.ActiveCfg = Release|x64
︙
Changes to SQLite.NET.suo.

cannot compute difference between binary files

Changes to System.Data.SQLite.Linq/AssemblyInfo.cs. 
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using System;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Security.Permissions;
using System.Security;
using System.Runtime.ConstrainedExecution;

// General Information about an assembly is controlled through the following 
// set of attributes. Change these attribute values to modify the information
// associated with an assembly.
[assembly: AssemblyTitle("System.Data.SQLite.Linq")]
[assembly: AssemblyDescription("ADO.NET 3.5SP1 Entity Framework support for SQLite")]
[assembly: AssemblyDescription("ADO.NET 2.0 Data Provider for SQLite")]
[assembly: AssemblyConfiguration("")]
[assembly: AssemblyCompany("http://sqlite.phxsoftware.com")]
[assembly: AssemblyProduct("System.Data.SQLite")]
[assembly: AssemblyCopyright("Public Domain")]
[assembly: AssemblyTrademark("")]
[assembly: AssemblyCulture("")]

// Setting ComVisible to false makes the types in this assembly not visible 
// to COM components.  If you need to access a type in this assembly from 
// COM, set the ComVisible attribute to true on that type.
[assembly: ComVisible(false)]
[assembly: CLSCompliant(true)]
[assembly: AllowPartiallyTrustedCallers]
[assembly: ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]

// The following GUID is for the ID of the typelib if this project is exposed to COM
[assembly: Guid("d9d0877d-53d0-4ba6-962e-66b7e1663478")]
[assembly: SecurityPermission(SecurityAction.RequestMinimum, SkipVerification = true)]

// Version information for an assembly consists of the following four values:
//
//      Major Version
//      Minor Version 
//      Build Number
//      Revision
//
// You can specify all the values or you can default the Build and Revision Numbers 
// by using the '*' as shown below:
// [assembly: AssemblyVersion("1.0.*")]
[assembly: AssemblyVersion("2.0.38.0")]
[assembly: AssemblyFileVersion("2.0.38.0")]
[assembly: AssemblyVersion("2.0.36.0")]
[assembly: AssemblyFileVersion("2.0.36.0")]
Deleted System.Data.SQLite.Linq/Properties/Resources.Designer.cs. 
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//------------------------------------------------------------------------------
// <auto-generated>
//     This code was generated by a tool.
//     Runtime Version:2.0.50727.3053
//
//     Changes to this file may cause incorrect behavior and will be lost if
//     the code is regenerated.
// </auto-generated>
//------------------------------------------------------------------------------

namespace System.Data.SQLite.Properties {
    using System;
    
    
    /// <summary>
    ///   A strongly-typed resource class, for looking up localized strings, etc.
    /// </summary>
    // This class was auto-generated by the StronglyTypedResourceBuilder
    // class via a tool like ResGen or Visual Studio.
    // To add or remove a member, edit your .ResX file then rerun ResGen
    // with the /str option, or rebuild your VS project.
    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "2.0.0.0")]
    [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
    [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
    internal class Resources {
        
        private static global::System.Resources.ResourceManager resourceMan;
        
        private static global::System.Globalization.CultureInfo resourceCulture;
        
        [global::System.Diagnostics.CodeAnalysis.SuppressMessageAttribute("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
        internal Resources() {
        }
        
        /// <summary>
        ///   Returns the cached ResourceManager instance used by this class.
        /// </summary>
        [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)]
        internal static global::System.Resources.ResourceManager ResourceManager {
            get {
                if (object.ReferenceEquals(resourceMan, null)) {
                    global::System.Resources.ResourceManager temp = new global::System.Resources.ResourceManager("System.Data.SQLite.Properties.Resources", typeof(Resources).Assembly);
                    resourceMan = temp;
                }
                return resourceMan;
            }
        }
        
        /// <summary>
        ///   Overrides the current thread's CurrentUICulture property for all
        ///   resource lookups using this strongly typed resource class.
        /// </summary>
        [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)]
        internal static global::System.Globalization.CultureInfo Culture {
            get {
                return resourceCulture;
            }
            set {
                resourceCulture = value;
            }
        }
        
        /// <summary>
        ///   Looks up a localized string similar to CREATE TEMP VIEW SCHEMACONSTRAINTCOLUMNS AS
        ///SELECT CONSTRAINT_CATALOG, NULL AS CONSTRAINT_SCHEMA, CONSTRAINT_NAME, TABLE_CATALOG, NULL AS TABLE_SCHEMA, TABLE_NAME, COLUMN_NAME 
        ///FROM TEMP.SCHEMAINDEXCOLUMNS
        ///UNION
        ///SELECT CONSTRAINT_CATALOG, NULL, CONSTRAINT_NAME, TABLE_CATALOG, NULL, TABLE_NAME, FKEY_FROM_COLUMN
        ///FROM TEMP.SCHEMAFOREIGNKEYS;.
        /// </summary>
        internal static string SQL_CONSTRAINTCOLUMNS {
            get {
                return ResourceManager.GetString("SQL_CONSTRAINTCOLUMNS", resourceCulture);
            }
        }
        
        /// <summary>
        ///   Looks up a localized string similar to CREATE TEMP VIEW SCHEMACONSTRAINTS AS
        ///SELECT INDEX_CATALOG AS CONSTRAINT_CATALOG, NULL AS CONSTRAINT_SCHEMA, INDEX_NAME AS CONSTRAINT_NAME, TABLE_CATALOG, NULL AS TABLE_SCHEMA, TABLE_NAME, &apos;PRIMARY KEY&apos; AS CONSTRAINT_TYPE, 0 AS IS_DEFERRABLE, 0 AS INITIALLY_DEFERRED, NULL AS CHECK_CLAUSE
        ///FROM TEMP.SCHEMAINDEXES WHERE PRIMARY_KEY = 1
        ///UNION
        ///SELECT INDEX_CATALOG, NULL, INDEX_NAME, TABLE_CATALOG, NULL, TABLE_NAME, &apos;UNIQUE&apos;, 0, 0, NULL 
        ///FROM TEMP.SCHEMAINDEXES WHERE PRIMARY_KEY = 0 AND [UNIQUE] = 1
        ///UNION
        /// [rest of string was truncated]&quot;;.
        /// </summary>
        internal static string SQL_CONSTRAINTS {
            get {
                return ResourceManager.GetString("SQL_CONSTRAINTS", resourceCulture);
            }
        }
    }
}
Deleted System.Data.SQLite.Linq/Properties/Resources.resx. 
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<?xml version="1.0" encoding="utf-8"?>
<root>
  <!-- 
    Microsoft ResX Schema 
    
    Version 2.0
    
    The primary goals of this format is to allow a simple XML format 
    that is mostly human readable. The generation and parsing of the 
    various data types are done through the TypeConverter classes 
    associated with the data types.
    
    Example:
    
    ... ado.net/XML headers & schema ...
    <resheader name="resmimetype">text/microsoft-resx</resheader>
    <resheader name="version">2.0</resheader>
    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
        <value>[base64 mime encoded serialized .NET Framework object]</value>
    </data>
    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
        <comment>This is a comment</comment>
    </data>
                
    There are any number of "resheader" rows that contain simple 
    name/value pairs.
    
    Each data row contains a name, and value. The row also contains a 
    type or mimetype. Type corresponds to a .NET class that support 
    text/value conversion through the TypeConverter architecture. 
    Classes that don't support this are serialized and stored with the 
    mimetype set.
    
    The mimetype is used for serialized objects, and tells the 
    ResXResourceReader how to depersist the object. This is currently not 
    extensible. For a given mimetype the value must be set accordingly:
    
    Note - application/x-microsoft.net.object.binary.base64 is the format 
    that the ResXResourceWriter will generate, however the reader can 
    read any of the formats listed below.
    
    mimetype: application/x-microsoft.net.object.binary.base64
    value   : The object must be serialized with 
            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
            : and then encoded with base64 encoding.
    
    mimetype: application/x-microsoft.net.object.soap.base64
    value   : The object must be serialized with 
            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
            : and then encoded with base64 encoding.

    mimetype: application/x-microsoft.net.object.bytearray.base64
    value   : The object must be serialized into a byte array 
            : using a System.ComponentModel.TypeConverter
            : and then encoded with base64 encoding.
    -->
  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
    <xsd:element name="root" msdata:IsDataSet="true">
      <xsd:complexType>
        <xsd:choice maxOccurs="unbounded">
          <xsd:element name="metadata">
            <xsd:complexType>
              <xsd:sequence>
                <xsd:element name="value" type="xsd:string" minOccurs="0" />
              </xsd:sequence>
              <xsd:attribute name="name" use="required" type="xsd:string" />
              <xsd:attribute name="type" type="xsd:string" />
              <xsd:attribute name="mimetype" type="xsd:string" />
              <xsd:attribute ref="xml:space" />
            </xsd:complexType>
          </xsd:element>
          <xsd:element name="assembly">
            <xsd:complexType>
              <xsd:attribute name="alias" type="xsd:string" />
              <xsd:attribute name="name" type="xsd:string" />
            </xsd:complexType>
          </xsd:element>
          <xsd:element name="data">
            <xsd:complexType>
              <xsd:sequence>
                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
              </xsd:sequence>
              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
              <xsd:attribute ref="xml:space" />
            </xsd:complexType>
          </xsd:element>
          <xsd:element name="resheader">
            <xsd:complexType>
              <xsd:sequence>
                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
              </xsd:sequence>
              <xsd:attribute name="name" type="xsd:string" use="required" />
            </xsd:complexType>
          </xsd:element>
        </xsd:choice>
      </xsd:complexType>
    </xsd:element>
  </xsd:schema>
  <resheader name="resmimetype">
    <value>text/microsoft-resx</value>
  </resheader>
  <resheader name="version">
    <value>2.0</value>
  </resheader>
  <resheader name="reader">
    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
  </resheader>
  <resheader name="writer">
    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
  </resheader>
  <data name="SQL_CONSTRAINTCOLUMNS" xml:space="preserve">
    <value>CREATE TEMP VIEW SCHEMACONSTRAINTCOLUMNS AS
SELECT CONSTRAINT_CATALOG, NULL AS CONSTRAINT_SCHEMA, CONSTRAINT_NAME, TABLE_CATALOG, NULL AS TABLE_SCHEMA, TABLE_NAME, COLUMN_NAME 
FROM TEMP.SCHEMAINDEXCOLUMNS
UNION
SELECT CONSTRAINT_CATALOG, NULL, CONSTRAINT_NAME, TABLE_CATALOG, NULL, TABLE_NAME, FKEY_FROM_COLUMN
FROM TEMP.SCHEMAFOREIGNKEYS;</value>
  </data>
  <data name="SQL_CONSTRAINTS" xml:space="preserve">
    <value>CREATE TEMP VIEW SCHEMACONSTRAINTS AS
SELECT INDEX_CATALOG AS CONSTRAINT_CATALOG, NULL AS CONSTRAINT_SCHEMA, INDEX_NAME AS CONSTRAINT_NAME, TABLE_CATALOG, NULL AS TABLE_SCHEMA, TABLE_NAME, 'PRIMARY KEY' AS CONSTRAINT_TYPE, 0 AS IS_DEFERRABLE, 0 AS INITIALLY_DEFERRED, NULL AS CHECK_CLAUSE
FROM TEMP.SCHEMAINDEXES WHERE PRIMARY_KEY = 1
UNION
SELECT INDEX_CATALOG, NULL, INDEX_NAME, TABLE_CATALOG, NULL, TABLE_NAME, 'UNIQUE', 0, 0, NULL 
FROM TEMP.SCHEMAINDEXES WHERE PRIMARY_KEY = 0 AND [UNIQUE] = 1
UNION
SELECT CONSTRAINT_CATALOG, NULL, CONSTRAINT_NAME, TABLE_CATALOG, NULL, TABLE_NAME, CONSTRAINT_TYPE, IS_DEFERRABLE, INITIALLY_DEFERRED, NULL 
FROM TEMP.SCHEMAFOREIGNKEYS;</value>
  </data>
</root>
Changes to System.Data.SQLite.Linq/Resources/SQLiteProviderServices.StoreSchemaDefinition.ssdl.
︙
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        ,   c.COLLATION_CATALOG [CollationCatalog]
        ,   c.COLLATION_SCHEMA [CollationSchema]
        ,   c.COLLATION_NAME [CollationName]
        ,   c.CHARACTER_SET_CATALOG [CharacterSetCatalog]
        ,   c.CHARACTER_SET_SCHEMA [CharacterSetSchema]
        ,   c.CHARACTER_SET_NAME [CharacterSetName]
        ,   0 as [IsMultiSet]
        ,   c.[AUTOINCREMENT] as [IsIdentity]
        ,   c.PRIMARY_KEY as [IsIdentity]
        ,   0 as [IsStoreGenerated]
        , c.COLUMN_DEFAULT as [Default]
        FROM
        TEMP.SCHEMACOLUMNS c
      </DefiningQuery>
    </EntitySet>
︙
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        TEMP.SCHEMAVIEWS
      </DefiningQuery>
    </EntitySet>

    <EntitySet Name="SViewColumns" EntityType="Self.ViewColumn">
      <DefiningQuery>
        SELECT
        '[' || c.VIEW_NAME || ']' || '[' || c.VIEW_COLUMN_NAME || ']' COLLATE NOCASE [Id]
        ,   '[' || c.VIEW_NAME || ']' COLLATE NOCASE                             [ParentId]
        ,   c.VIEW_COLUMN_NAME   [Name]
        '[' || c.TABLE_NAME || ']' || '[' || c.COLUMN_NAME || ']' COLLATE NOCASE [Id]
        ,   '[' || c.TABLE_NAME || ']' COLLATE NOCASE                             [ParentId]
        ,   c.COLUMN_NAME   [Name]
        ,   c.ORDINAL_POSITION [Ordinal]
        ,   c.IS_NULLABLE [IsNullable]
        ,   c.EDM_TYPE [TypeName]
        ,   c.CHARACTER_MAXIMUM_LENGTH [MaxLength]
        ,   c.NUMERIC_PRECISION [Precision]
        ,   c.DATETIME_PRECISION as [DateTimePrecision]
        ,   c.NUMERIC_SCALE [Scale]
        ,   c.COLLATION_CATALOG [CollationCatalog]
        ,   c.COLLATION_SCHEMA [CollationSchema]
        ,   c.COLLATION_NAME [CollationName]
        ,   c.CHARACTER_SET_CATALOG [CharacterSetCatalog]
        ,   c.CHARACTER_SET_SCHEMA [CharacterSetSchema]
        ,   c.CHARACTER_SET_NAME [CharacterSetName]
        ,   0 as [IsMultiSet]
        ,   c.[AUTOINCREMENT] as [IsIdentity]
        ,   c.PRIMARY_KEY as [IsIdentity]
        ,   0 as [IsStoreGenerated]
        ,   c.COLUMN_DEFAULT [Default]
        FROM
        TEMP.SCHEMAVIEWCOLUMNS c
      </DefiningQuery>
    </EntitySet>
︙
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        FROM
        TEMP.SCHEMACONSTRAINTCOLUMNS
      </DefiningQuery>
    </EntitySet>

    <EntitySet Name="SForeignKeyConstraints" EntityType="Self.ForeignKeyConstraint">
      <DefiningQuery>
        SELECT DISTINCT
        SELECT
        '[' || rc.CONSTRAINT_NAME || ']'  COLLATE NOCASE [Id]
        , 'NO ACTION'  COLLATE NOCASE [UpdateRule]
        , 'NO ACTION'  COLLATE NOCASE [DeleteRule]
        FROM
        TEMP.SCHEMAFOREIGNKEYS rc
      </DefiningQuery>
    </EntitySet>
︙
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/********************************************************
 * ADO.NET 2.0 Data Provider for SQLite Version 3.X
 * Written by Robert Simpson (robert@blackcastlesoft.com)
 * 
 * Released to the public domain, use at your own risk!
//---------------------------------------------------------------------
// <copyright file="SqlGenerator.cs" company="Microsoft">
//      Copyright (c) Microsoft Corporation.  All rights reserved.
// </copyright>
//---------------------------------------------------------------------

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Globalization;
using System.IO;
using System.Text;
using System.Data.Common;
using System.Data.Metadata.Edm;
using System.Data.Common.CommandTrees;
using System.Data;

 ********************************************************/

namespace System.Data.SQLite
{
  /// <summary>
  /// Translates the command object into a SQL string that can be executed on
  /// SQL Server 2005.
  /// </summary>
  using System;
  using System.Collections.Generic;
  using System.Data;
  using System.Data.Common.CommandTrees;
  using System.Data.Entity;
  using System.Runtime.CompilerServices;

  internal class SqlChecker : DbExpressionVisitor<bool>
  /// <remarks>
  /// The translation is implemented as a visitor <see cref="DbExpressionVisitor{T}"/>
  /// over the query tree.  It makes a single pass over the tree, collecting the sql
  /// fragments for the various nodes in the tree <see cref="ISqlFragment"/>.
  ///
  /// The major operations are
  /// <list type="bullet">
  /// <item>Select statement minimization.  Multiple nodes in the query tree
  /// that can be part of a single SQL select statement are merged. e.g. a
  /// Filter node that is the input of a Project node can typically share the
  /// same SQL statement.</item>
  /// <item>Alpha-renaming.  As a result of the statement minimization above, there
  /// could be name collisions when using correlated subqueries
  /// <example>
  /// <code>
  /// Filter(
  ///     b = Project( c.x
  ///         c = Extent(foo)
  ///         )
  ///     exists (
  ///         Filter(
  ///             c = Extent(foo)
  ///             b.x = c.x
  ///             )
  ///     )
  /// )
  /// </code>
  /// The first Filter, Project and Extent will share the same SQL select statement.
  /// The alias for the Project i.e. b, will be replaced with c.
  /// If the alias c for the Filter within the exists clause is not renamed,
  /// we will get <c>c.x = c.x</c>, which is incorrect.
  /// Instead, the alias c within the second filter should be renamed to c1, to give
  /// <c>c.x = c1.x</c> i.e. b is renamed to c, and c is renamed to c1.
  /// </example>
  /// </item>
  /// <item>Join flattening.  In the query tree, a list of join nodes is typically
  /// represented as a tree of Join nodes, each with 2 children. e.g.
  /// <example>
  /// <code>
  /// a = Join(InnerJoin
  ///     b = Join(CrossJoin
  ///         c = Extent(foo)
  ///         d = Extent(foo)
  ///         )
  ///     e = Extent(foo)
  ///     on b.c.x = e.x
  ///     )
  /// </code>
  /// If translated directly, this will be translated to
  /// <code>
  /// FROM ( SELECT c.*, d.*
  ///         FROM foo as c
  ///         CROSS JOIN foo as d) as b
  /// INNER JOIN foo as e on b.x' = e.x
  /// </code>
  /// It would be better to translate this as
  /// <code>
  /// FROM foo as c
  /// CROSS JOIN foo as d
  /// INNER JOIN foo as e on c.x = e.x
  /// </code>
  /// This allows the optimizer to choose an appropriate join ordering for evaluation.
  /// </example>
  /// </item>
  /// <item>Select * and column renaming.  In the example above, we noticed that
  /// in some cases we add <c>SELECT * FROM ...</c> to complete the SQL
  /// statement. i.e. there is no explicit PROJECT list.
  /// In this case, we enumerate all the columns available in the FROM clause
  /// This is particularly problematic in the case of Join trees, since the columns
  /// from the extents joined might have the same name - this is illegal.  To solve
  /// this problem, we will have to rename columns if they are part of a SELECT *
  /// for a JOIN node - we do not need renaming in any other situation.
  /// <see cref="SqlGenerator.AddDefaultColumns"/>.
  /// </item>
  /// </list>
  ///
  /// <para>
  /// Renaming issues.
  /// When rows or columns are renamed, we produce names that are unique globally
  /// with respect to the query.  The names are derived from the original names,
  /// with an integer as a suffix. e.g. CustomerId will be renamed to CustomerId1,
  /// CustomerId2 etc.
  ///
  /// Since the names generated are globally unique, they will not conflict when the
  /// columns of a JOIN SELECT statement are joined with another JOIN. 
  ///
  /// </para>
  ///
  /// <para>
  /// Record flattening.
  /// SQL server does not have the concept of records.  However, a join statement
  /// produces records.  We have to flatten the record accesses into a simple
  /// <c>alias.column</c> form.  <see cref="SqlGenerator.Visit(DbPropertyExpression)"/>
  {
    private static Type sql8rewriter;

    static SqlChecker()
    {
      sql8rewriter = Type.GetType("System.Data.SqlClient.SqlGen.Sql8ExpressionRewriter, System.Data.Entity, Version=3.5.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089", false);
    }

    private SqlChecker()
    {
  /// </para>
  ///
  /// <para>
  /// Building the SQL.
  /// There are 2 phases
  /// <list type="numbered">
  /// <item>Traverse the tree, producing a sql builder <see cref="SqlBuilder"/></item>
  /// <item>Write the SqlBuilder into a string, renaming the aliases and columns
  /// as needed.</item>
  /// </list>
  ///
  /// In the first phase, we traverse the tree.  We cannot generate the SQL string
  /// right away, since
  /// <list type="bullet">
  /// <item>The WHERE clause has to be visited before the from clause.</item>
  /// <item>extent aliases and column aliases need to be renamed.  To minimize
  /// renaming collisions, all the names used must be known, before any renaming
  /// choice is made.</item>
  /// </list>
  /// To defer the renaming choices, we use symbols <see cref="Symbol"/>.  These
  /// are renamed in the second phase.
  ///
  /// Since visitor methods cannot transfer information to child nodes through
  /// parameters, we use some global stacks,
  /// <list type="bullet">
  /// <item>A stack for the current SQL select statement.  This is needed by
  /// <see cref="SqlGenerator.Visit(DbVariableReferenceExpression)"/> to create a
  /// list of free variables used by a select statement.  This is needed for
  /// alias renaming.
  /// </item>
  /// <item>A stack for the join context.  When visiting a <see cref="DbScanExpression"/>,
  /// we need to know whether we are inside a join or not.  If we are inside
  /// a join, we do not create a new SELECT statement.</item>
  /// </list>
  /// </para>
  ///
  /// <para>
  /// Global state.
  /// To enable renaming, we maintain
  /// <list type="bullet">
  /// <item>The set of all extent aliases used.</item>
  /// <item>The set of all column aliases used.</item>
  /// </list>
  ///
  /// Finally, we have a symbol table to lookup variable references.  All references
  /// to the same extent have the same symbol.
  /// </para>
  ///
  /// <para>
  /// Sql select statement sharing.
  ///
  /// Each of the relational operator nodes
  /// <list type="bullet">
  /// <item>Project</item>
  /// <item>Filter</item>
  /// <item>GroupBy</item>
  /// <item>Sort/OrderBy</item>
  /// </list>
  /// can add its non-input (e.g. project, predicate, sort order etc.) to
  /// the SQL statement for the input, or create a new SQL statement.
  /// If it chooses to reuse the input's SQL statement, we play the following
  /// symbol table trick to accomplish renaming.  The symbol table entry for
  /// the alias of the current node points to the symbol for the input in
  /// the input's SQL statement.
  /// <example>
  /// <code>
  /// Project(b.x
  ///     b = Filter(
  ///         c = Extent(foo)
  ///         c.x = 5)
  ///     )
  /// </code>
  /// The Extent node creates a new SqlSelectStatement.  This is added to the
  /// symbol table by the Filter as {c, Symbol(c)}.  Thus, <c>c.x</c> is resolved to
  /// <c>Symbol(c).x</c>.
  /// Looking at the project node, we add {b, Symbol(c)} to the symbol table if the
  /// SQL statement is reused, and {b, Symbol(b)}, if there is no reuse.
  ///
  /// Thus, <c>b.x</c> is resolved to <c>Symbol(c).x</c> if there is reuse, and to
  /// <c>Symbol(b).x</c> if there is no reuse.
  /// </example>
  /// </para>
  /// </remarks>
  internal sealed class SqlGenerator : DbExpressionVisitor<ISqlFragment>
  {
    private SQLiteProviderManifest _manifest;

    #region Visitor parameter stacks
    /// <summary>
    /// Every relational node has to pass its SELECT statement to its children
    /// This allows them (DbVariableReferenceExpression eventually) to update the list of
    /// outer extents (free variables) used by this select statement.
    /// </summary>
    Stack<SqlSelectStatement> selectStatementStack;

    /// <summary>
    /// The top of the stack
    /// </summary>
    private SqlSelectStatement CurrentSelectStatement
    {
      // There is always something on the stack, so we can always Peek.
      get { return selectStatementStack.Peek(); }
    }

    /// <summary>
    /// Nested joins and extents need to know whether they should create
    /// a new Select statement, or reuse the parent's.  This flag
    /// indicates whether the parent is a join or not.
    /// </summary>
    Stack<bool> isParentAJoinStack;

    /// <summary>
    /// The top of the stack
    /// </summary>
    private bool IsParentAJoin
    {
      // There might be no entry on the stack if a Join node has never
      // been seen, so we return false in that case.
      get { return isParentAJoinStack.Count == 0 ? false : isParentAJoinStack.Peek(); }
    }

    #endregion

    #region Global lists and state
    Dictionary<string, int> allExtentNames;
    internal Dictionary<string, int> AllExtentNames
    {
      get { return allExtentNames; }
    }

    // For each column name, we store the last integer suffix that
    // was added to produce a unique column name.  This speeds up
    // the creation of the next unique name for this column name.
    Dictionary<string, int> allColumnNames;
    internal Dictionary<string, int> AllColumnNames
    {
      get { return allColumnNames; }
    }

    SymbolTable symbolTable = new SymbolTable();

    /// <summary>
    /// VariableReferenceExpressions are allowed only as children of DbPropertyExpression
    /// or MethodExpression.  The cheapest way to ensure this is to set the following
    /// property in DbVariableReferenceExpression and reset it in the allowed parent expressions.
    /// </summary>
    bool isVarRefSingle = false;

    #endregion

    #region Statics
    static private readonly Dictionary<string, FunctionHandler> _builtInFunctionHandlers = InitializeBuiltInFunctionHandlers();
    static private readonly Dictionary<string, FunctionHandler> _canonicalFunctionHandlers = InitializeCanonicalFunctionHandlers();
    static private readonly Dictionary<string, string> _functionNameToOperatorDictionary = InitializeFunctionNameToOperatorDictionary();
    static private readonly Dictionary<string, string> _datepartKeywords = InitializeDatepartKeywords();
    static private readonly char[] hexDigits = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };

    private delegate ISqlFragment FunctionHandler(SqlGenerator sqlgen, DbFunctionExpression functionExpr);

    /// <summary>
    /// All special built-in functions and their handlers
    /// </summary>
    /// <returns></returns>
    private static Dictionary<string, FunctionHandler> InitializeBuiltInFunctionHandlers()
    {
      Dictionary<string, FunctionHandler> functionHandlers = new Dictionary<string, FunctionHandler>(7, StringComparer.Ordinal);
      functionHandlers.Add("CONCAT", HandleConcatFunction);
      functionHandlers.Add("DATEPART", HandleDatepartDateFunction);
      functionHandlers.Add("DatePart", HandleDatepartDateFunction);
      functionHandlers.Add("GETDATE", HandleGetDateFunction);
      functionHandlers.Add("GETUTCDATE", HandleGetUtcDateFunction);
      return functionHandlers;
    }

    /// <summary>
    /// All special non-aggregate canonical functions and their handlers
    /// </summary>
    /// <returns></returns>
    private static Dictionary<string, FunctionHandler> InitializeCanonicalFunctionHandlers()
    {
      Dictionary<string, FunctionHandler> functionHandlers = new Dictionary<string, FunctionHandler>(16, StringComparer.Ordinal);
      functionHandlers.Add("IndexOf", HandleCanonicalFunctionIndexOf);
      functionHandlers.Add("Length", HandleCanonicalFunctionLength);
      functionHandlers.Add("NewGuid", HandleCanonicalFunctionNewGuid);
      functionHandlers.Add("Round", HandleCanonicalFunctionRound);
      functionHandlers.Add("ToLower", HandleCanonicalFunctionToLower);
      functionHandlers.Add("ToUpper", HandleCanonicalFunctionToUpper);
      functionHandlers.Add("Trim", HandleCanonicalFunctionTrim);

      //DatePartFunctions
      functionHandlers.Add("Year", HandleCanonicalFunctionDatepart);
      functionHandlers.Add("Month", HandleCanonicalFunctionDatepart);
      functionHandlers.Add("Day", HandleCanonicalFunctionDatepart);
      functionHandlers.Add("Hour", HandleCanonicalFunctionDatepart);
      functionHandlers.Add("Minute", HandleCanonicalFunctionDatepart);
      functionHandlers.Add("Second", HandleCanonicalFunctionDatepart);
      functionHandlers.Add("DateAdd", HandleCanonicalFunctionDateAdd);
      functionHandlers.Add("DateDiff", HandleCanonicalFunctionDateSubtract);
      functionHandlers.Add("DATEADD", HandleCanonicalFunctionDateAdd); // store
      functionHandlers.Add("DATEDIFF", HandleCanonicalFunctionDateSubtract); // store

      //Functions that translate to operators
      functionHandlers.Add("Concat", HandleConcatFunction);
      functionHandlers.Add("BitwiseAnd", HandleCanonicalFunctionBitwise);
      functionHandlers.Add("BitwiseNot", HandleCanonicalFunctionBitwise);
      functionHandlers.Add("BitwiseOr", HandleCanonicalFunctionBitwise);
      functionHandlers.Add("BitwiseXor", HandleCanonicalFunctionBitwise);
      return functionHandlers;

    }

    /// <summary>
    /// SQLite doesn't support things like SKIP and a few other things.  So determine if the query has to be rewritten
    /// Valid datepart values
    /// </summary>
    /// <remarks>
    /// <returns></returns>
    /// Microsoft went to all the trouble of making things like SKIP work on Sql Server 2000 by doing a rewrite of the commandtree.
    /// However, all that fancy stuff is hidden from us.  Thanks to reflection however, we can go ahead and use the Sql 2000 rewriter code
    /// they made.
    /// </remarks>
    /// <param name="tree">The tree to inspect for a rewrite</param>
    /// <returns>Returns a new query tree if it needs rewriting</returns>
    internal static DbQueryCommandTree Rewrite(DbQueryCommandTree tree)
    private static Dictionary<string, string> InitializeDatepartKeywords()
    {
      SqlChecker visitor = new SqlChecker();
      if (tree.Query.Accept<bool>(visitor))
      #region Datepart Keywords
      //
      // valid datepart values
      {
        tree = sql8rewriter.InvokeMember("Rewrite", System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.InvokeMethod | System.Reflection.BindingFlags.Static, null, null, new object[] { tree }) as DbQueryCommandTree;
      }      
      //
      Dictionary<string, string> datepartKeywords = new Dictionary<string, string>(30, StringComparer.OrdinalIgnoreCase);
      datepartKeywords.Add("d", "%d");
      datepartKeywords.Add("day", "%d");
      datepartKeywords.Add("dayofyear", "%j");
      datepartKeywords.Add("dd", "%d");
      datepartKeywords.Add("dw", "%w");
      datepartKeywords.Add("dy", "%j");
      datepartKeywords.Add("hh", "%H");
      datepartKeywords.Add("hour", "%H");
      datepartKeywords.Add("m", "%m");
      datepartKeywords.Add("mi", "%M");
      datepartKeywords.Add("millisecond", "%f");
      datepartKeywords.Add("minute", "%M");
      datepartKeywords.Add("mm", "%m");
      datepartKeywords.Add("month", "%m");
      datepartKeywords.Add("ms", "%f");
      datepartKeywords.Add("n", "%M");
      datepartKeywords.Add("s", "%S");
      datepartKeywords.Add("second", "%S");
      datepartKeywords.Add("ss", "%S");
      datepartKeywords.Add("week", "%W");
      datepartKeywords.Add("weekday", "%w");
      datepartKeywords.Add("wk", "%W");
      datepartKeywords.Add("ww", "%W");
      datepartKeywords.Add("y", "%Y");
      datepartKeywords.Add("year", "%Y");
      datepartKeywords.Add("yy", "%Y");
      datepartKeywords.Add("yyyy", "%Y");
      return datepartKeywords;
      #endregion
    }
      return tree;
    }

    public override bool Visit(DbAndExpression expression)
    {
      return VisitBinaryExpression(expression);
    }

    public override bool Visit(DbApplyExpression expression)
    {
      throw new NotSupportedException("apply expression");
    }

    /// <summary>
    /// Initializes the mapping from functions to T-SQL operators
    /// for all functions that translate to T-SQL operators
    /// </summary>
    /// <returns></returns>
    private static Dictionary<string, string> InitializeFunctionNameToOperatorDictionary()
    {
      Dictionary<string, string> functionNameToOperatorDictionary = new Dictionary<string, string>(5, StringComparer.Ordinal);
      functionNameToOperatorDictionary.Add("Concat", "||");    //canonical
      functionNameToOperatorDictionary.Add("CONCAT", "||");    //store
      functionNameToOperatorDictionary.Add("BitwiseAnd", "&");
      functionNameToOperatorDictionary.Add("BitwiseNot", "~");
      functionNameToOperatorDictionary.Add("BitwiseOr", "|");
      functionNameToOperatorDictionary.Add("BitwiseXor", "^");
      return functionNameToOperatorDictionary;
    }

    #endregion

    #region Constructor
    /// <summary>
    /// Basic constructor. 
    /// </summary>
    private SqlGenerator(SQLiteProviderManifest manifest)
    {
      _manifest = manifest;
    }
    #endregion

    #region Entry points
    /// <summary>
    /// General purpose static function that can be called from System.Data assembly
    /// </summary>
    /// <param name="sqlVersion">Server version</param>
    /// <param name="tree">command tree</param>
    /// <param name="parameters">Parameters to add to the command tree corresponding
    /// to constants in the command tree. Used only in ModificationCommandTrees.</param>
    /// <returns>The string representing the SQL to be executed.</returns>
    internal static string GenerateSql(SQLiteProviderManifest manifest, DbCommandTree tree, out List<DbParameter> parameters, out CommandType commandType)
    {
      commandType = CommandType.Text;

      //Handle Query
      DbQueryCommandTree queryCommandTree = tree as DbQueryCommandTree;
      if (queryCommandTree != null)
      {
        SqlGenerator sqlGen = new SqlGenerator(manifest);
        parameters = null;
        
        string sql = sqlGen.GenerateSql((DbQueryCommandTree)tree);

        return sql;
      }

      //Handle Function
      DbFunctionCommandTree DbFunctionCommandTree = tree as DbFunctionCommandTree;
      if (DbFunctionCommandTree != null)
      {
        SqlGenerator sqlGen = new SqlGenerator(manifest);
        parameters = null;

        string sql = sqlGen.GenerateFunctionSql(DbFunctionCommandTree, out commandType);

        return sql;
      }

      //Handle Insert
      DbInsertCommandTree insertCommandTree = tree as DbInsertCommandTree;
      if (insertCommandTree != null)
      {
        return DmlSqlGenerator.GenerateInsertSql(insertCommandTree, out parameters);
      }

      //Handle Delete
      DbDeleteCommandTree deleteCommandTree = tree as DbDeleteCommandTree;
      if (deleteCommandTree != null)
      {
        return DmlSqlGenerator.GenerateDeleteSql(deleteCommandTree, out parameters);
      }

      //Handle Update
      DbUpdateCommandTree updateCommandTree = tree as DbUpdateCommandTree;
      if (updateCommandTree != null)
      {
        return DmlSqlGenerator.GenerateUpdateSql(updateCommandTree, out parameters);
      }

      throw new NotSupportedException("Unrecognized command tree type");
    }
    #endregion

    StringBuilder _typeDefs = new StringBuilder();

    #region Driver Methods
    /// <summary>
    /// Translate a command tree to a SQL string.
    ///
    /// The input tree could be translated to either a SQL SELECT statement
    /// or a SELECT expression.  This choice is made based on the return type
    /// of the expression
    /// CollectionType => select statement
    /// non collection type => select expression
    /// </summary>
    /// <param name="tree"></param>
    /// <returns>The string representing the SQL to be executed.</returns>
    private string GenerateSql(DbQueryCommandTree tree)
    {
      // Tree Validation seems to have disappeared from the public method list in SP1 RC
      //tree.Validate();
      tree.GetType().InvokeMember("Validate", System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.InvokeMethod, null, tree, null);

      selectStatementStack = new Stack<SqlSelectStatement>();
      isParentAJoinStack = new Stack<bool>();

      allExtentNames = new Dictionary<string, int>(StringComparer.OrdinalIgnoreCase);
      allColumnNames = new Dictionary<string, int>(StringComparer.OrdinalIgnoreCase);

      // Literals will not be converted to parameters.

      ISqlFragment result;
      if (MetadataHelpers.IsCollectionType(tree.Query.ResultType))
      {
        SqlSelectStatement sqlStatement = VisitExpressionEnsureSqlStatement(tree.Query);
        Debug.Assert(sqlStatement != null, "The outer most sql statment is null");
        sqlStatement.IsTopMost = true;
        result = sqlStatement;

      }
      else
      {
        SqlBuilder sqlBuilder = new SqlBuilder();
        sqlBuilder.Append("SELECT ");
        sqlBuilder.Append(tree.Query.Accept(this));

        result = sqlBuilder;
      }

      if (isVarRefSingle)
      {
        throw new NotSupportedException();
        // A DbVariableReferenceExpression has to be a child of DbPropertyExpression or MethodExpression
      }

      // Check that the parameter stacks are not leaking.
      Debug.Assert(selectStatementStack.Count == 0);
      Debug.Assert(isParentAJoinStack.Count == 0);
    public override bool Visit(DbArithmeticExpression expression)
    {
      return VisitExpressionList(expression.Arguments);

      if (_typeDefs.Length > 0)
      {
        _typeDefs.Insert(0x0, "TYPES ");
        _typeDefs.Append(";\r\n");
        _typeDefs.Append(WriteSql(result));
        return _typeDefs.ToString();
      }

      return WriteSql(result);
    }

    /// <summary>
    /// Translate a function command tree to a SQL string.
    /// </summary>
    private string GenerateFunctionSql(DbFunctionCommandTree tree, out CommandType commandType)
    {
      // Tree Validation seems to have disappeared from the public method list in SP1 RC
      //tree.Validate();
      tree.GetType().InvokeMember("Validate", System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.InvokeMethod, null, tree, null);

      EdmFunction function = tree.EdmFunction;

      // We expect function to always have these properties
      string userCommandText = (string)function.MetadataProperties["CommandTextAttribute"].Value;
      string userSchemaName = (string)function.MetadataProperties["Schema"].Value;
      string userFuncName = (string)function.MetadataProperties["StoreFunctionNameAttribute"].Value;

      if (String.IsNullOrEmpty(userCommandText))
      {
        // build a quoted description of the function
        commandType = CommandType.StoredProcedure;

        // if the schema name is not explicitly given, it is assumed to be the metadata namespace
        string schemaName = String.IsNullOrEmpty(userSchemaName) ?
            function.NamespaceName : userSchemaName;

        // if the function store name is not explicitly given, it is assumed to be the metadata name
        string functionName = String.IsNullOrEmpty(userFuncName) ?
            function.Name : userFuncName;

        // quote elements of function text
        string quotedSchemaName = QuoteIdentifier(schemaName);
        string quotedFunctionName = QuoteIdentifier(functionName);

        // separator
        const string schemaSeparator = ".";

        // concatenate elements of function text
        string quotedFunctionText = quotedSchemaName + schemaSeparator + quotedFunctionName;

        return quotedFunctionText;
      }
      else
      {
        // if the user has specified the command text, pass it through verbatim and choose CommandType.Text
        commandType = CommandType.Text;
        return userCommandText;
      }
    }

    /// <summary>
    /// Convert the SQL fragments to a string.
    /// We have to setup the Stream for writing.
    /// </summary>
    /// <param name="sqlStatement"></param>
    /// <returns>A string representing the SQL to be executed.</returns>
    string WriteSql(ISqlFragment sqlStatement)
    {
      StringBuilder builder = new StringBuilder(1024);
      using (SqlWriter writer = new SqlWriter(builder))
      {
        sqlStatement.WriteSql(writer, this);
      }

      return builder.ToString();
    }
    #endregion

    #region DbExpressionVisitor Members

    /// <summary>
    /// Translate(left) AND Translate(right)
    /// </summary>
    /// <param name="e"></param>
    /// <returns>A <see cref="SqlBuilder"/>.</returns>
    public override ISqlFragment Visit(DbAndExpression e)
    {
      return VisitBinaryExpression(" AND ", e.Left, e.Right);
    }

    /// <summary>
    /// An apply is just like a join, so it shares the common join processing
    /// in <see cref="VisitJoinExpression"/>
    /// </summary>
    /// <param name="e"></param>
    /// <returns>A <see cref="SqlSelectStatement"/>.</returns>
    public override ISqlFragment Visit(DbApplyExpression e)
    {
      throw new NotSupportedException("APPLY joins are not supported");

      //List<DbExpressionBinding> inputs = new List<DbExpressionBinding>();
      //inputs.Add(e.Input);
      //inputs.Add(e.Apply);

      //string joinString;
      //switch (e.ExpressionKind)
      //{
      //  case DbExpressionKind.CrossApply:
      //    joinString = "CROSS APPLY";
      //    break;

      //  case DbExpressionKind.OuterApply:
      //    joinString = "OUTER APPLY";
      //    break;
    public override bool Visit(DbCaseExpression expression)
    {
      bool flag1 = VisitExpressionList(expression.When);
      bool flag2 = VisitExpressionList(expression.Then);
      bool flag3 = VisitExpression(expression.Else);

      //  default:
      //    Debug.Assert(false);
      //    throw new InvalidOperationException();
      //}

      //// The join condition does not exist in this case, so we use null.
      //// We do not have a on clause, so we use JoinType.CrossJoin.
      //return VisitJoinExpression(inputs, DbExpressionKind.CrossJoin, joinString, null);
    }

    /// <summary>
    /// For binary expressions, we delegate to <see cref="VisitBinaryExpression"/>.
    /// We handle the other expressions directly.
    /// </summary>
    /// <param name="e"></param>
    /// <returns>A <see cref="SqlBuilder"/></returns>
    public override ISqlFragment Visit(DbArithmeticExpression e)
    {
      SqlBuilder result;

      switch (e.ExpressionKind)
      {
        case DbExpressionKind.Divide:
          result = VisitBinaryExpression(" / ", e.Arguments[0], e.Arguments[1]);
          break;
        case DbExpressionKind.Minus:
          result = VisitBinaryExpression(" - ", e.Arguments[0], e.Arguments[1]);
          break;
        case DbExpressionKind.Modulo:
          result = VisitBinaryExpression(" % ", e.Arguments[0], e.Arguments[1]);
          break;
        case DbExpressionKind.Multiply:
          result = VisitBinaryExpression(" * ", e.Arguments[0], e.Arguments[1]);
          break;
        case DbExpressionKind.Plus:
          result = VisitBinaryExpression(" + ", e.Arguments[0], e.Arguments[1]);
          break;

        case DbExpressionKind.UnaryMinus:
          result = new SqlBuilder();
          result.Append(" -(");
          result.Append(e.Arguments[0].Accept(this));
          result.Append(")");
          break;

        default:
          Debug.Assert(false);
          throw new InvalidOperationException();
      }

      return result;
    }

    /// <summary>
    /// If the ELSE clause is null, we do not write it out.
    /// </summary>
    /// <param name="e"></param>
    /// <returns>A <see cref="SqlBuilder"/></returns>
    public override ISqlFragment Visit(DbCaseExpression e)
    {
      SqlBuilder result = new SqlBuilder();
      return (flag1 || flag2 || flag3);
    }

    public override bool Visit(DbCastExpression expression)

      Debug.Assert(e.When.Count == e.Then.Count);

      result.Append("CASE");
      for (int i = 0; i < e.When.Count; ++i)
      {
        result.Append(" WHEN (");
        result.Append(e.When[i].Accept(this));
        result.Append(") THEN ");
        result.Append(e.Then[i].Accept(this));
      }
      if (e.Else != null && !(e.Else is DbNullExpression))
      {
        result.Append(" ELSE ");
        result.Append(e.Else.Accept(this));
      }

      result.Append(" END");

      return result;
    }

    /// <summary>
    ///
    /// </summary>
    /// <param name="e"></param>
    /// <returns></returns>
    public override ISqlFragment Visit(DbCastExpression e)
    {
      SqlBuilder result = new SqlBuilder();
      result.Append(e.Argument.Accept(this));
      return VisitUnaryExpression(expression);
      return result;
    }

    /// <summary>
    /// The parser generates Not(Equals(...)) for &lt;&gt;.
    /// </summary>
    /// <param name="e"></param>
    /// <returns>A <see cref="SqlBuilder"/>.</returns>
    public override ISqlFragment Visit(DbComparisonExpression e)
    {
      SqlBuilder result;
      switch (e.ExpressionKind)
      {
        case DbExpressionKind.Equals:
          //if (e.Left.ResultType.EdmType.Name == "String" && e.Right.ResultType.EdmType.Name == "String")
          //  result = VisitBinaryExpression(" LIKE ", e.Left, e.Right);
          //else
            result = VisitBinaryExpression(" = ", e.Left, e.Right);
          break;
        case DbExpressionKind.LessThan:
          result = VisitBinaryExpression(" < ", e.Left, e.Right);
          break;
        case DbExpressionKind.LessThanOrEquals:
          result = VisitBinaryExpression(" <= ", e.Left, e.Right);
          break;
        case DbExpressionKind.GreaterThan:
          result = VisitBinaryExpression(" > ", e.Left, e.Right);
          break;
        case DbExpressionKind.GreaterThanOrEquals:
          result = VisitBinaryExpression(" >= ", e.Left, e.Right);
          break;
        // The parser does not generate the expression kind below.
        case DbExpressionKind.NotEquals:
          result = VisitBinaryExpression(" <> ", e.Left, e.Right);
          break;

        default:
          Debug.Assert(false);  // The constructor should have prevented this
          throw new InvalidOperationException(String.Empty);
      }
    public override bool Visit(DbComparisonExpression expression)
    {
      return VisitBinaryExpression(expression);
    }

      return result;
    }

    /// <summary>
    /// Constants will be send to the store as part of the generated TSQL, not as parameters
    /// </summary>
    /// <param name="e"></param>
    /// <returns>A <see cref="SqlBuilder"/>.  Strings are wrapped in single
    /// quotes and escaped.  Numbers are written literally.</returns>
    public override ISqlFragment Visit(DbConstantExpression e)
    {
      SqlBuilder result = new SqlBuilder();

      PrimitiveTypeKind typeKind;
      // Model Types can be (at the time of this implementation):
      //      Binary, Boolean, Byte, DateTime, Decimal, Double, Guid, Int16, Int32, Int64,Single, String
      if (MetadataHelpers.TryGetPrimitiveTypeKind(e.ResultType, out typeKind))
      {
        switch (typeKind)
        {
          case PrimitiveTypeKind.Int32:
            // default sql server type for integral values.
            result.Append(e.Value.ToString());
            break;

          case PrimitiveTypeKind.Binary:
            result.Append(" 0x");
            result.Append(ByteArrayToBinaryString((Byte[])e.Value));
            result.Append(" ");
            break;

          case PrimitiveTypeKind.Boolean:
            result.Append((bool)e.Value ? "1" : "0");
            break;
    public override bool Visit(DbConstantExpression expression)
    {
      return false;
    }

    public override bool Visit(DbCrossJoinExpression expression)
    {
      return VisitExpressionBindingList(expression.Inputs);

          case PrimitiveTypeKind.Byte:
            result.Append(e.Value.ToString());
            break;

          case PrimitiveTypeKind.DateTime:
            result.Append(EscapeSingleQuote(((System.DateTime)e.Value).ToString("yyyy-MM-dd HH:mm:ss.fff", CultureInfo.InvariantCulture), false /* IsUnicode */));
            break;

          case PrimitiveTypeKind.Decimal:
            string strDecimal = ((Decimal)e.Value).ToString(CultureInfo.InvariantCulture);
            // if the decimal value has no decimal part, cast as decimal to preserve type
            // if the number has precision > int64 max precision, it will be handled as decimal by sql server
            // and does not need cast. if precision is lest then 20, then cast using Max(literal precision, sql default precision)
            if (-1 == strDecimal.IndexOf('.') && (strDecimal.TrimStart(new char[] { '-' }).Length < 20))
            {
              byte precision = (Byte)strDecimal.Length;
              FacetDescription precisionFacetDescription;
              Debug.Assert(MetadataHelpers.TryGetTypeFacetDescriptionByName(e.ResultType.EdmType, "precision", out precisionFacetDescription), "Decimal primitive type must have Precision facet");
              if (MetadataHelpers.TryGetTypeFacetDescriptionByName(e.ResultType.EdmType, "precision", out precisionFacetDescription))
              {
                if (precisionFacetDescription.DefaultValue != null)
                {
                  precision = Math.Max(precision, (byte)precisionFacetDescription.DefaultValue);
                }
              }
              Debug.Assert(precision > 0, "Precision must be greater than zero");
              result.Append(strDecimal);
            }
            else
            {
              result.Append(strDecimal);
            }
            break;

          case PrimitiveTypeKind.Double:
            result.Append(((Double)e.Value).ToString(CultureInfo.InvariantCulture));
            break;

          case PrimitiveTypeKind.Guid:
            result.Append(EscapeSingleQuote(e.Value.ToString(), false /* IsUnicode */));
            break;

          case PrimitiveTypeKind.Int16:
            result.Append(e.Value.ToString());
            break;

          case PrimitiveTypeKind.Int64:
            result.Append(e.Value.ToString());
            break;

          case PrimitiveTypeKind.Single:
            result.Append(((Single)e.Value).ToString(CultureInfo.InvariantCulture));
            break;

          case PrimitiveTypeKind.String:
            bool isUnicode = MetadataHelpers.GetFacetValueOrDefault<bool>(e.ResultType, MetadataHelpers.UnicodeFacetName, true);
            result.Append(EscapeSingleQuote(e.Value as string, isUnicode));
            break;

          default:
            // all known scalar types should been handled already.
            throw new NotSupportedException();
        }
      }
      else
      {
        throw new NotSupportedException();
      }

      return result;

    }

    /// <summary>
    /// <see cref="DbDerefExpression"/> is illegal at this stage
    /// </summary>
    /// <param name="e"></param>
    /// <returns></returns>
    public override ISqlFragment Visit(DbDerefExpression e)
    {
      throw new NotSupportedException();
    }

    /// <summary>
    /// The DISTINCT has to be added to the beginning of SqlSelectStatement.Select,
    /// but it might be too late for that.  So, we use a flag on SqlSelectStatement
    /// instead, and add the "DISTINCT" in the second phase.
    /// </summary>
    /// <param name="e"></param>
    /// <returns>A <see cref="SqlSelectStatement"/></returns>
    public override ISqlFragment Visit(DbDistinctExpression e)
    {
      SqlSelectStatement result = VisitExpressionEnsureSqlStatement(e.Argument);
    public override bool Visit(DbDerefExpression expression)
    {
      return VisitUnaryExpression(expression);

      if (!IsCompatible(result, e.ExpressionKind))
      {
        Symbol fromSymbol;
        TypeUsage inputType = MetadataHelpers.GetElementTypeUsage(e.Argument.ResultType);
        result = CreateNewSelectStatement(result, "DISTINCT", inputType, out fromSymbol);
        AddFromSymbol(result, "DISTINCT", fromSymbol, false);
      }

      result.IsDistinct = true;
      return result;
    }

    /// <summary>
    /// An element expression returns a scalar - so it is translated to
    /// ( Select ... )
    /// </summary>
    /// <param name="e"></param>
    /// <returns></returns>
    public override ISqlFragment Visit(DbElementExpression e)
    {
      SqlBuilder result = new SqlBuilder();
      result.Append("(");
      result.Append(VisitExpressionEnsureSqlStatement(e.Argument));
      result.Append(")");

      return result;
    }

    /// <summary>
    /// <see cref="Visit(DbUnionAllExpression)"/>
    /// </summary>
    /// <param name="e"></param>
    /// <returns></returns>
    public override ISqlFragment Visit(DbExceptExpression e)
    {
      return VisitSetOpExpression(e.Left, e.Right, "EXCEPT");
    }

    /// <summary>
    /// Only concrete expression types will be visited.
    /// </summary>
    /// <param name="e"></param>
    /// <returns></returns>
    public override ISqlFragment Visit(DbExpression e)
    {
      throw new InvalidOperationException();
    }

    /// <summary>
    ///
    /// </summary>
    /// <param name="e"></param>
    /// <returns>If we are in a Join context, returns a <see cref="SqlBuilder"/>
    /// with the extent name, otherwise, a new <see cref="SqlSelectStatement"/>
    /// with the From field set.</returns>
    public override ISqlFragment Visit(DbScanExpression e)
    {
      EntitySetBase target = e.Target;

      if (IsParentAJoin)
      {
        SqlBuilder result = new SqlBuilder();
        result.Append(GetTargetTSql(target));

        return result;
      }
      else
      {
        SqlSelectStatement result = new SqlSelectStatement();
        result.From.Append(GetTargetTSql(target));

        return result;
      }
    }


    /// <summary>
    /// Gets escaped TSql identifier describing this entity set.
    /// </summary>
    /// <returns></returns>
    internal static string GetTargetTSql(EntitySetBase entitySetBase)
    {
      // construct escaped T-SQL referencing entity set
      StringBuilder builder = new StringBuilder(50);
      string definingQuery = MetadataHelpers.TryGetValueForMetadataProperty<string>(entitySetBase, "DefiningQuery");
      if (!string.IsNullOrEmpty(definingQuery))
      {
        builder.Append("(");
        builder.Append(definingQuery);
        builder.Append(")");
      }
      else
      {
        string schemaName = MetadataHelpers.TryGetValueForMetadataProperty<string>(entitySetBase, "Schema");
        if (!string.IsNullOrEmpty(schemaName))

    public override bool Visit(DbDistinctExpression expression)
    {
      return VisitUnaryExpression(expression);
        {
          builder.Append(SqlGenerator.QuoteIdentifier(schemaName));
          builder.Append(".");
        }
        //else
        //{
        //  builder.Append(SqlGenerator.QuoteIdentifier(entitySetBase.EntityContainer.Name));
        //  builder.Append(".");
        //}

        string tableName = MetadataHelpers.TryGetValueForMetadataProperty<string>(entitySetBase, "Table");
        if (!string.IsNullOrEmpty(tableName))
        {
          builder.Append(SqlGenerator.QuoteIdentifier(tableName));
        }
        else
        {
          builder.Append(SqlGenerator.QuoteIdentifier(entitySetBase.Name));
        }
      }
      return builder.ToString();
    }

    /// <summary>
    /// The bodies of <see cref="Visit(DbFilterExpression)"/>, <see cref="Visit(DbGroupByExpression)"/>,
    /// <see cref="Visit(DbProjectExpression)"/>, <see cref="Visit(DbSortExpression)"/> are similar.
    /// Each does the following.
    /// <list type="number">
    /// <item> Visit the input expression</item>
    /// <item> Determine if the input's SQL statement can be reused, or a new
    /// one must be created.</item>
    /// <item>Create a new symbol table scope</item>
    /// <item>Push the Sql statement onto a stack, so that children can
    /// update the free variable list.</item>
    /// <item>Visit the non-input expression.</item>
    /// <item>Cleanup</item>
    /// </list>
    /// </summary>
    /// <param name="e"></param>
    /// <returns>A <see cref="SqlSelectStatement"/></returns>
    public override ISqlFragment Visit(DbFilterExpression e)
    {
      return VisitFilterExpression(e.Input, e.Predicate, false);
    }

    /// <summary>
    /// Lambda functions are not supported.
    /// The functions supported are:
    /// <list type="number">
    /// <item>Canonical Functions - We recognize these by their dataspace, it is DataSpace.CSpace</item>
    /// <item>Store Functions - We recognize these by the BuiltInAttribute and not being Canonical</item>
    /// <item>User-defined Functions - All the rest except for Lambda functions</item>
    /// </list>
    /// We handle Canonical and Store functions the same way: If they are in the list of functions 
    /// that need special handling, we invoke the appropriate handler, otherwise we translate them to
    /// FunctionName(arg1, arg2, ..., argn).
    /// We translate user-defined functions to NamespaceName.FunctionName(arg1, arg2, ..., argn).
    /// </summary>
    /// <param name="e"></param>
    /// <returns>A <see cref="SqlBuilder"/></returns>
    public override ISqlFragment Visit(DbFunctionExpression e)
    {
      // The check for a Lambda expression seems to have disappeared from the public method list in SP1 RC
      //if (e.IsLambda)
      //{
      //  throw new NotSupportedException();
      //}
    public override bool Visit(DbElementExpression expression)
    {
      return VisitUnaryExpression(expression);
    }

    public override bool Visit(DbEntityRefExpression expression)
    {
      return VisitUnaryExpression(expression);
    }

    public override bool Visit(DbExceptExpression expression)
    {
      VisitExpression(expression.Left);
      VisitExpression(expression.Right);
      return true;
    }

      //
      // check if function requires special case processing, if so, delegates to it
      //
      if (IsSpecialBuiltInFunction(e))
      {
        return HandleSpecialBuiltInFunction(e);
      }

      if (IsSpecialCanonicalFunction(e))
      {
        return HandleSpecialCanonicalFunction(e);
      }

      return HandleFunctionDefault(e);
    }


    /// <summary>
    /// <see cref="DbEntityRefExpression"/> is illegal at this stage
    /// </summary>
    /// <param name="e"></param>
    /// <returns></returns>
    public override ISqlFragment Visit(DbEntityRefExpression e)
    {
      throw new NotSupportedException();
    }

    /// <summary>
    /// <see cref="DbRefKeyExpression"/> is illegal at this stage
    /// </summary>
    /// <param name="e"></param>
    /// <returns></returns>
    public override ISqlFragment Visit(DbRefKeyExpression e)
    {
      throw new NotSupportedException();
    }

    /// <summary>
    /// <see cref="Visit(DbFilterExpression)"/> for general details.
    /// We modify both the GroupBy and the Select fields of the SqlSelectStatement.
    /// GroupBy gets just the keys without aliases,
    /// and Select gets the keys and the aggregates with aliases.
    /// 
    /// Whenever there exists at least one aggregate with an argument that is not is not a simple
    /// <see cref="DbPropertyExpression"/>  over <see cref="DbVariableReferenceExpression"/>, 
    /// we create a nested query in which we alias the arguments to the aggregates. 
    /// That is due to the following two limitations of Sql Server:
    /// <list type="number">
    /// <item>If an expression being aggregated contains an outer reference, then that outer 
    /// reference must be the only column referenced in the expression </item>
    /// <item>Sql Server cannot perform an aggregate function on an expression containing 
    /// an aggregate or a subquery. </item>
    /// </list>
    /// 
    /// The default translation, without inner query is: 
    /// 
    ///     SELECT 
    ///         kexp1 AS key1, kexp2 AS key2,... kexpn AS keyn, 
    ///         aggf1(aexpr1) AS agg1, .. aggfn(aexprn) AS aggn
    ///     FROM input AS a
    ///     GROUP BY kexp1, kexp2, .. kexpn
    /// 
    /// When we inject an innner query, the equivalent translation is:
    /// 
    ///     SELECT 
    ///         key1 AS key1, key2 AS key2, .. keyn AS keys,  
    ///         aggf1(agg1) AS agg1, aggfn(aggn) AS aggn
    ///     FROM (
    ///             SELECT 
    ///                 kexp1 AS key1, kexp2 AS key2,... kexpn AS keyn, 
    ///                 aexpr1 AS agg1, .. aexprn AS aggn
    ///             FROM input AS a
    ///         ) as a
    ///     GROUP BY key1, key2, keyn
    /// 
    /// </summary>
    /// <param name="e"></param>
    /// <returns>A <see cref="SqlSelectStatement"/></returns>
    public override ISqlFragment Visit(DbGroupByExpression e)
    {
      Symbol fromSymbol;
      //SqlSelectStatement result = VisitInputExpression(e.Input.Expression,
      SqlSelectStatement innerQuery = VisitInputExpression(e.Input.Expression,
          e.Input.VariableName, e.Input.VariableType, out fromSymbol);

      // GroupBy is compatible with Filter and OrderBy
      // but not with Project, GroupBy
      if (!IsCompatible(innerQuery, e.ExpressionKind))
      {
        innerQuery = CreateNewSelectStatement(innerQuery, e.Input.VariableName, e.Input.VariableType, out fromSymbol);
      }

      selectStatementStack.Push(innerQuery);
      symbolTable.EnterScope();

      AddFromSymbol(innerQuery, e.Input.VariableName, fromSymbol);
      // This line is not present for other relational nodes.
      symbolTable.Add(e.Input.GroupVariableName, fromSymbol);


      // The enumerator is shared by both the keys and the aggregates,
      // so, we do not close it in between.
      RowType groupByType = MetadataHelpers.GetEdmType<RowType>(MetadataHelpers.GetEdmType<CollectionType>(e.ResultType).TypeUsage);

      //Whenever there exists at least one aggregate with an argument that is not simply a PropertyExpression 
      // over a VarRefExpression, we need a nested query in which we alias the arguments to the aggregates.
      bool needsInnerQuery = NeedsInnerQuery(e.Aggregates);

      SqlSelectStatement result;
      if (needsInnerQuery)
      {
        //Create the inner query
        result = CreateNewSelectStatement(innerQuery, e.Input.VariableName, e.Input.VariableType, false, out fromSymbol);
        AddFromSymbol(result, e.Input.VariableName, fromSymbol, false);
      }
      else
      {
        result = innerQuery;
      }

      using (IEnumerator<EdmProperty> members = groupByType.Properties.GetEnumerator())
      {
        members.MoveNext();
        Debug.Assert(result.Select.IsEmpty);

        string separator = "";

        foreach (DbExpression key in e.Keys)
        {
          EdmProperty member = members.Current;
          string alias = QuoteIdentifier(member.Name);

          result.GroupBy.Append(separator);

          ISqlFragment keySql = key.Accept(this);

          if (!needsInnerQuery)
          {
            //Default translation: Key AS Alias
            result.Select.Append(separator);
            result.Select.AppendLine();
            result.Select.Append(keySql);
            result.Select.Append(" AS ");
            result.Select.Append(alias);

            result.GroupBy.Append(keySql);
          }
          else
          {
            // The inner query contains the default translation Key AS Alias
            innerQuery.Select.Append(separator);
            innerQuery.Select.AppendLine();
            innerQuery.Select.Append(keySql);
            innerQuery.Select.Append(" AS ");
            innerQuery.Select.Append(alias);

            //The outer resulting query projects over the key aliased in the inner query: 
            //  fromSymbol.Alias AS Alias
            result.Select.Append(separator);
            result.Select.AppendLine();
            result.Select.Append(fromSymbol);
            result.Select.Append(".");
            result.Select.Append(alias);
            result.Select.Append(" AS ");
            result.Select.Append(alias);

            result.GroupBy.Append(alias);
          }

          separator = ", ";
          members.MoveNext();
        }

        foreach (DbAggregate aggregate in e.Aggregates)
        {
          EdmProperty member = members.Current;
          string alias = QuoteIdentifier(member.Name);
    public override bool Visit(DbExpression expression)
    {
      throw new NotSupportedException(expression.GetType().FullName);
    }

    public override bool Visit(DbFilterExpression expression)

          Debug.Assert(aggregate.Arguments.Count == 1);
          ISqlFragment translatedAggregateArgument = aggregate.Arguments[0].Accept(this);

          object aggregateArgument;

          if (needsInnerQuery)
          {
            //In this case the argument to the aggratete is reference to the one projected out by the
            // inner query
            SqlBuilder wrappingAggregateArgument = new SqlBuilder();
            wrappingAggregateArgument.Append(fromSymbol);
            wrappingAggregateArgument.Append(".");
            wrappingAggregateArgument.Append(alias);
            aggregateArgument = wrappingAggregateArgument;

            innerQuery.Select.Append(separator);
            innerQuery.Select.AppendLine();
            innerQuery.Select.Append(translatedAggregateArgument);
            innerQuery.Select.Append(" AS ");
            innerQuery.Select.Append(alias);
          }
          else
          {
            aggregateArgument = translatedAggregateArgument;
          }

          ISqlFragment aggregateResult = VisitAggregate(aggregate, aggregateArgument);

          result.Select.Append(separator);
          result.Select.AppendLine();
          result.Select.Append(aggregateResult);
          result.Select.Append(" AS ");
          result.Select.Append(alias);

          separator = ", ";
          members.MoveNext();
        }
      }


      symbolTable.ExitScope();
      selectStatementStack.Pop();

      return result;
    }

    /// <summary>
    /// <see cref="Visit(DbUnionAllExpression)"/>
    /// </summary>
    /// <param name="e"></param>
    /// <returns></returns>
    public override ISqlFragment Visit(DbIntersectExpression e)
    {
      return VisitSetOpExpression(e.Left, e.Right, "INTERSECT");
    }

    /// <summary>
    /// Not(IsEmpty) has to be handled specially, so we delegate to
    /// <see cref="VisitIsEmptyExpression"/>.
    ///
    /// </summary>
    /// <param name="e"></param>
    /// <returns>A <see cref="SqlBuilder"/>.
    /// <code>[NOT] EXISTS( ... )</code>
    /// </returns>
    public override ISqlFragment Visit(DbIsEmptyExpression e)
    {
      return VisitIsEmptyExpression(e, false);
    }
      bool flag1 = VisitExpressionBinding(expression.Input);
      bool flag2 = VisitExpression(expression.Predicate);

    /// <summary>
    /// Not(IsNull) is handled specially, so we delegate to
    /// <see cref="VisitIsNullExpression"/>
    /// </summary>
    /// <param name="e"></param>
    /// <returns>A <see cref="SqlBuilder"/>
    /// <code>IS [NOT] NULL</code>
    /// </returns>
    public override ISqlFragment Visit(DbIsNullExpression e)
    {
      return VisitIsNullExpression(e, false);
    }

    /// <summary>
    /// <see cref="DbIsOfExpression"/> is illegal at this stage
    /// </summary>
    /// <param name="e"></param>
    /// <returns>A <see cref="SqlBuilder"/></returns>
    public override ISqlFragment Visit(DbIsOfExpression e)
    {
      throw new NotSupportedException();
    }

    /// <summary>
    /// <see cref="VisitJoinExpression"/>
    /// </summary>
    /// <param name="e"></param>
    /// <returns>A <see cref="SqlSelectStatement"/>.</returns>
    public override ISqlFragment Visit(DbCrossJoinExpression e)
    {
      return VisitJoinExpression(e.Inputs, e.ExpressionKind, "CROSS JOIN", null);
    }

    /// <summary>
    /// <see cref="VisitJoinExpression"/>
    /// </summary>
    /// <param name="e"></param>
    /// <returns>A <see cref="SqlSelectStatement"/>.</returns>
    public override ISqlFragment Visit(DbJoinExpression e)
    {
      #region Map join type to a string
      string joinString;
      switch (e.ExpressionKind)
      {
        case DbExpressionKind.FullOuterJoin:
          joinString = "FULL OUTER JOIN";
          break;

        case DbExpressionKind.InnerJoin:
          joinString = "INNER JOIN";
          break;

        case DbExpressionKind.LeftOuterJoin:
          joinString = "LEFT OUTER JOIN";
          break;

        default:
          Debug.Assert(false);
          joinString = null;
          break;
      }
      #endregion

      List<DbExpressionBinding> inputs = new List<DbExpressionBinding>(2);
      inputs.Add(e.Left);
      inputs.Add(e.Right);

      return VisitJoinExpression(inputs, e.ExpressionKind, joinString, e.JoinCondition);
    }

    /// <summary>
    ///
    /// </summary>
    /// <param name="e"></param>
    /// <returns>A <see cref="SqlBuilder"/></returns>
    public override ISqlFragment Visit(DbLikeExpression e)
    {
      SqlBuilder result = new SqlBuilder();
      result.Append(e.Argument.Accept(this));
      result.Append(" LIKE ");
      result.Append(e.Pattern.Accept(this));

      // if the ESCAPE expression is a DbNullExpression, then that's tantamount to 
      // not having an ESCAPE at all
      if (e.Escape.ExpressionKind != DbExpressionKind.Null)
      {
        result.Append(" ESCAPE ");
        result.Append(e.Escape.Accept(this));
      }

      return (flag1 || flag2);
      return result;
    }

    /// <summary>
    ///  Translates to TOP expression.
    /// </summary>
    /// <param name="e"></param>
    /// <returns>A <see cref="SqlBuilder"/></returns>
    public override ISqlFragment Visit(DbLimitExpression e)
    {
      Debug.Assert(e.Limit is DbConstantExpression || e.Limit is DbParameterReferenceExpression, "DbLimitExpression.Limit is of invalid expression type");
    public override bool Visit(DbFunctionExpression expression)
    {
      return VisitExpressionList(expression.Arguments);
    }

      SqlSelectStatement result = VisitExpressionEnsureSqlStatement(e.Argument, false);
      Symbol fromSymbol;

      if (!IsCompatible(result, e.ExpressionKind))
      {
        TypeUsage inputType = MetadataHelpers.GetElementTypeUsage(e.Argument.ResultType);

        result = CreateNewSelectStatement(result, "top", inputType, out fromSymbol);
        AddFromSymbol(result, "top", fromSymbol, false);
      }

      ISqlFragment topCount = HandleCountExpression(e.Limit);
    public override bool Visit(DbGroupByExpression expression)
    {
      bool flag1 = VisitExpression(expression.Input.Expression);
      bool flag2 = VisitExpressionList(expression.Keys);
      bool flag3 = VisitAggregateList(expression.Aggregates);

      return (flag1 || flag2 || flag3);

      result.Top = new TopClause(topCount, e.WithTies);
      return result;
    }

    /// <summary>
    /// DbNewInstanceExpression is allowed as a child of DbProjectExpression only.
    /// If anyone else is the parent, we throw.
    /// We also perform special casing for collections - where we could convert
    /// them into Unions
    ///
    /// <see cref="VisitNewInstanceExpression"/> for the actual implementation.
    ///
    /// </summary>
    /// <param name="e"></param>
    /// <returns></returns>
    public override ISqlFragment Visit(DbNewInstanceExpression e)
    {
      if (MetadataHelpers.IsCollectionType(e.ResultType))
      {
        return VisitCollectionConstructor(e);
      }
      throw new NotSupportedException();
    }

    /// <summary>
    /// The Not expression may cause the translation of its child to change.
    /// These children are
    /// <list type="bullet">
    /// <item><see cref="DbNotExpression"/>NOT(Not(x)) becomes x</item>
    /// <item><see cref="DbIsEmptyExpression"/>NOT EXISTS becomes EXISTS</item>
    /// <item><see cref="DbIsNullExpression"/>IS NULL becomes IS NOT NULL</item>
    /// <item><see cref="DbComparisonExpression"/>= becomes&lt;&gt; </item>
    /// </list>
    /// </summary>
    /// <param name="e"></param>
    /// <returns>A <see cref="SqlBuilder"/></returns>
    public override ISqlFragment Visit(DbNotExpression e)
    {
      // Flatten Not(Not(x)) to x.
      DbNotExpression notExpression = e.Argument as DbNotExpression;
      if (notExpression != null)
      {
        return notExpression.Argument.Accept(this);
      }

      DbIsEmptyExpression isEmptyExpression = e.Argument as DbIsEmptyExpression;
      if (isEmptyExpression != null)
      {
        return VisitIsEmptyExpression(isEmptyExpression, true);
      }

      DbIsNullExpression isNullExpression = e.Argument as DbIsNullExpression;
      if (isNullExpression != null)
      {
        return VisitIsNullExpression(isNullExpression, true);
      }

      DbComparisonExpression comparisonExpression = e.Argument as DbComparisonExpression;
      if (comparisonExpression != null)
      {
        if (comparisonExpression.ExpressionKind == DbExpressionKind.Equals)
        {
          return VisitBinaryExpression(" <> ", comparisonExpression.Left, comparisonExpression.Right);
        }
      }

      SqlBuilder result = new SqlBuilder();
      result.Append(" NOT (");
      result.Append(e.Argument.Accept(this));
      result.Append(")");

      return result;
    }

    /// <summary>
    /// </summary>
    /// <param name="e"></param>
    /// <returns><see cref="SqlBuilder"/></returns>
    public override ISqlFragment Visit(DbNullExpression e)
    {
      SqlBuilder result = new SqlBuilder();
      // always cast nulls - sqlserver doesn't like case expressions where the "then" clause is null
      result.Append("NULL");
      return result;
    }

    /// <summary>
    /// <see cref="DbOfTypeExpression"/> is illegal at this stage
    /// </summary>
    /// <param name="e"></param>
    /// <returns>A <see cref="SqlBuilder"/></returns>
    public override ISqlFragment Visit(DbOfTypeExpression e)
    {
      throw new NotSupportedException();
    }

    /// <summary>
    ///
    /// </summary>
    /// <param name="e"></param>
    /// <returns>A <see cref="SqlBuilder"/></returns>
    /// <seealso cref="Visit(DbAndExpression)"/>
    public override ISqlFragment Visit(DbOrExpression e)
    {
      return VisitBinaryExpression(" OR ", e.Left, e.Right);
    }

    /// <summary>
    ///
    /// </summary>
    /// <param name="e"></param>
    /// <returns>A <see cref="SqlBuilder"/></returns>
    public override ISqlFragment Visit(DbParameterReferenceExpression e)

    public override bool Visit(DbIntersectExpression expression)
    {
      VisitExpression(expression.Left);
      VisitExpression(expression.Right);
      return true;
    {
      SqlBuilder result = new SqlBuilder();
      // Do not quote this name.
      // We are not checking that e.Name has no illegal characters. e.g. space
      result.Append("@" + e.ParameterName);

      return result;
    }

    /// <summary>
    /// <see cref="Visit(DbFilterExpression)"/> for the general ideas.
    /// </summary>
    /// <param name="e"></param>
    /// <returns>A <see cref="SqlSelectStatement"/></returns>
    /// <seealso cref="Visit(DbFilterExpression)"/>
    public override ISqlFragment Visit(DbProjectExpression e)
    {
      Symbol fromSymbol;
      SqlSelectStatement result = VisitInputExpression(e.Input.Expression, e.Input.VariableName, e.Input.VariableType, out fromSymbol);

      // Project is compatible with Filter
      // but not with Project, GroupBy
      if (!IsCompatible(result, e.ExpressionKind))
      {
        result = CreateNewSelectStatement(result, e.Input.VariableName, e.Input.VariableType, out fromSymbol);
      }

      selectStatementStack.Push(result);
      symbolTable.EnterScope();

      AddFromSymbol(result, e.Input.VariableName, fromSymbol);

      // Project is the only node that can have DbNewInstanceExpression as a child
      // so we have to check it here.
      // We call VisitNewInstanceExpression instead of Visit(DbNewInstanceExpression), since
      // the latter throws.
      DbNewInstanceExpression newInstanceExpression = e.Projection as DbNewInstanceExpression;
      if (newInstanceExpression != null)
      {
        result.Select.Append(VisitNewInstanceExpression(newInstanceExpression));
      }
      else
      {
        result.Select.Append(e.Projection.Accept(this));
      }

      symbolTable.ExitScope();
      selectStatementStack.Pop();

      return result;
    }

    /// <summary>
    /// This method handles record flattening, which works as follows.
    /// consider an expression <c>Prop(y, Prop(x, Prop(d, Prop(c, Prop(b, Var(a)))))</c>
    /// where a,b,c are joins, d is an extent and x and y are fields.
    /// b has been flattened into a, and has its own SELECT statement.
    /// c has been flattened into b.
    /// d has been flattened into c.
    ///
    /// We visit the instance, so we reach Var(a) first.  This gives us a (join)symbol.
    /// Symbol(a).b gives us a join symbol, with a SELECT statement i.e. Symbol(b).
    /// From this point on , we need to remember Symbol(b) as the source alias,
    /// and then try to find the column.  So, we use a SymbolPair.
    ///
    /// We have reached the end when the symbol no longer points to a join symbol.
    /// </summary>
    /// <param name="e"></param>
    /// <returns>A <see cref="JoinSymbol"/> if we have not reached the first
    /// Join node that has a SELECT statement.
    /// A <see cref="SymbolPair"/> if we have seen the JoinNode, and it has
    /// a SELECT statement.
    /// A <see cref="SqlBuilder"/> with {Input}.propertyName otherwise.
    /// </returns>
    public override ISqlFragment Visit(DbPropertyExpression e)

    public override bool Visit(DbIsEmptyExpression expression)
    {
      return VisitUnaryExpression(expression);
    }

    public override bool Visit(DbIsNullExpression expression)
    {
      return VisitUnaryExpression(expression);
    }

    public override bool Visit(DbIsOfExpression expression)
    {
      SqlBuilder result;

      ISqlFragment instanceSql = e.Instance.Accept(this);

      // Since the DbVariableReferenceExpression is a proper child of ours, we can reset
      // isVarSingle.
      DbVariableReferenceExpression DbVariableReferenceExpression = e.Instance as DbVariableReferenceExpression;
      if (DbVariableReferenceExpression != null)
      {
        isVarRefSingle = false;
      }

      // We need to flatten, and have not yet seen the first nested SELECT statement.
      JoinSymbol joinSymbol = instanceSql as JoinSymbol;
      if (joinSymbol != null)
      {
        Debug.Assert(joinSymbol.NameToExtent.ContainsKey(e.Property.Name));
        if (joinSymbol.IsNestedJoin)
        {
          return new SymbolPair(joinSymbol, joinSymbol.NameToExtent[e.Property.Name]);
        }
        else
        {
          return joinSymbol.NameToExtent[e.Property.Name];
        }
      }

      // ---------------------------------------
      // We have seen the first nested SELECT statement, but not the column.
      SymbolPair symbolPair = instanceSql as SymbolPair;
      if (symbolPair != null)
      {
        JoinSymbol columnJoinSymbol = symbolPair.Column as JoinSymbol;
        if (columnJoinSymbol != null)
        {
          symbolPair.Column = columnJoinSymbol.NameToExtent[e.Property.Name];
          return symbolPair;
        }
        else
        {
          // symbolPair.Column has the base extent.
          // we need the symbol for the column, since it might have been renamed
          // when handling a JOIN.
          if (symbolPair.Column.Columns.ContainsKey(e.Property.Name))
          {
            result = new SqlBuilder();
            result.Append(symbolPair.Source);
            result.Append(".");
            result.Append(symbolPair.Column.Columns[e.Property.Name]);
            return result;
          }
        }
      }
      // ---------------------------------------

      result = new SqlBuilder();
      result.Append(instanceSql);
      result.Append(".");

      // At this point the column name cannot be renamed, so we do
      // not use a symbol.
      result.Append(QuoteIdentifier(e.Property.Name));

      return result;
    }

    /// <summary>
    /// Any(input, x) => Exists(Filter(input,x))
    /// All(input, x) => Not Exists(Filter(input, not(x))
    /// </summary>
    /// <param name="e"></param>
    /// <returns></returns>
    public override ISqlFragment Visit(DbQuantifierExpression e)
    {
      SqlBuilder result = new SqlBuilder();

      bool negatePredicate = (e.ExpressionKind == DbExpressionKind.All);
      if (e.ExpressionKind == DbExpressionKind.Any)
      {
        result.Append("EXISTS (");
      }
      else
      {
        Debug.Assert(e.ExpressionKind == DbExpressionKind.All);
        result.Append("NOT EXISTS (");
      }

      SqlSelectStatement filter = VisitFilterExpression(e.Input, e.Predicate, negatePredicate);
      if (filter.Select.IsEmpty)
      {
        AddDefaultColumns(filter);
      }

      result.Append(filter);
      result.Append(")");

      return result;
    }

    /// <summary>
    /// <see cref="DbRefExpression"/> is illegal at this stage
    /// </summary>
    /// <param name="e"></param>
    /// <returns></returns>
    public override ISqlFragment Visit(DbRefExpression e)
    {
      throw new NotSupportedException();
    }

    /// <summary>
    /// <see cref="DbRelationshipNavigationExpression"/> is illegal at this stage
    /// </summary>
    /// <param name="e"></param>
    /// <returns></returns>
    public override ISqlFragment Visit(DbRelationshipNavigationExpression e)
    {
      throw new NotSupportedException();
    }
      return VisitUnaryExpression(expression);
    }

    /// <summary>
    /// For Sql9 it translates to:
    /// SELECT Y.x1, Y.x2, ..., Y.xn
    /// FROM (
    ///     SELECT X.x1, X.x2, ..., X.xn, row_number() OVER (ORDER BY sk1, sk2, ...) AS [row_number] 
    ///     FROM input as X 
    ///     ) as Y
    /// WHERE Y.[row_number] > count 
    /// ORDER BY sk1, sk2, ...
    /// </summary>
    /// <param name="e"></param>
    /// <returns>A <see cref="SqlBuilder"/></returns>
    public override ISqlFragment Visit(DbSkipExpression e)
    {
      throw new NotSupportedException();
      //Debug.Assert(e.Count is DbConstantExpression || e.Count is DbParameterReferenceExpression, "DbSkipExpression.Count is of invalid expression type");

      ////Visit the input
      //Symbol fromSymbol;
      //SqlSelectStatement input = VisitInputExpression(e.Input.Expression, e.Input.VariableName, e.Input.VariableType, out fromSymbol);

      //// Skip is not compatible with anything that OrderBy is not compatible with, as well as with distinct
      //if (!IsCompatible(input, e.ExpressionKind))
      //{
      //  input = CreateNewSelectStatement(input, e.Input.VariableName, e.Input.VariableType, out fromSymbol);
      //}

      //selectStatementStack.Push(input);
      //symbolTable.EnterScope();

      //AddFromSymbol(input, e.Input.VariableName, fromSymbol);

      ////Add the default columns
      //Debug.Assert(input.Select.IsEmpty);
      //List<Symbol> inputColumns = AddDefaultColumns(input);

      //input.Select.Append(", row_number() OVER (ORDER BY ");
      //AddSortKeys(input.Select, e.SortOrder);
      //input.Select.Append(") AS ");

      //Symbol row_numberSymbol = new Symbol("row_number", null);

      //input.Select.Append(row_numberSymbol);

      ////The inner statement is complete, its scopes need not be valid any longer
      //symbolTable.ExitScope();
      //selectStatementStack.Pop();

      ////Create the resulting statement 
      ////See CreateNewSelectStatement, it is very similar
    public override bool Visit(DbJoinExpression expression)
    {
      bool flag1 = VisitExpressionBinding(expression.Left);
      bool flag2 = VisitExpressionBinding(expression.Right);
      bool flag3 = VisitExpression(expression.JoinCondition);
      return (flag1 || flag2 || flag3);
    }

    public override bool Visit(DbLikeExpression expression)
    {
      bool flag1 = VisitExpression(expression.Argument);
      bool flag2 = VisitExpression(expression.Pattern);
      bool flag3 = VisitExpression(expression.Escape);
      return (flag1 || flag2 || flag3);
    }

      //SqlSelectStatement result = new SqlSelectStatement();
      //result.From.Append("( ");
      //result.From.Append(input);
      //result.From.AppendLine();
      //result.From.Append(") ");

      ////Create a symbol for the input
      //Symbol resultFromSymbol = null;

      //if (input.FromExtents.Count == 1)
      //{
      //  JoinSymbol oldJoinSymbol = input.FromExtents[0] as JoinSymbol;
      //  if (oldJoinSymbol != null)
      //  {
      //    // Note: input.FromExtents will not do, since it might
      //    // just be an alias of joinSymbol, and we want an actual JoinSymbol.
      //    JoinSymbol newJoinSymbol = new JoinSymbol(e.Input.VariableName, e.Input.VariableType, oldJoinSymbol.ExtentList);
      //    // This indicates that the oldStatement is a blocking scope
      //    // i.e. it hides/renames extent columns
      //    newJoinSymbol.IsNestedJoin = true;
      //    newJoinSymbol.ColumnList = inputColumns;
      //    newJoinSymbol.FlattenedExtentList = oldJoinSymbol.FlattenedExtentList;

      //    resultFromSymbol = newJoinSymbol;
      //  }
      //}

      //if (resultFromSymbol == null)
      //{
      //  // This is just a simple extent/SqlSelectStatement,
      //  // and we can get the column list from the type.
      //  resultFromSymbol = new Symbol(e.Input.VariableName, e.Input.VariableType);
      //}
      ////Add the ORDER BY part
      //selectStatementStack.Push(result);
      //symbolTable.EnterScope();

      //AddFromSymbol(result, e.Input.VariableName, resultFromSymbol);

      ////Add the predicate 
      //result.Where.Append(resultFromSymbol);
      //result.Where.Append(".");
      //result.Where.Append(row_numberSymbol);
      //result.Where.Append(" > ");
      //result.Where.Append(HandaleCountExpression(e.Count));

      //AddSortKeys(result.OrderBy, e.SortOrder);

      //symbolTable.ExitScope();
      //selectStatementStack.Pop();

      //return result;
    }

    /// <summary>
    /// <see cref="Visit(DbFilterExpression)"/>
    /// </summary>
    /// <param name="e"></param>
    /// <returns>A <see cref="SqlSelectStatement"/></returns>
    /// <seealso cref="Visit(DbFilterExpression)"/>
    public override ISqlFragment Visit(DbSortExpression e)
    {
      Symbol fromSymbol;
      SqlSelectStatement result = VisitInputExpression(e.Input.Expression, e.Input.VariableName, e.Input.VariableType, out fromSymbol);

      // OrderBy is compatible with Filter
      // and nothing else
      if (!IsCompatible(result, e.ExpressionKind))
      {
        result = CreateNewSelectStatement(result, e.Input.VariableName, e.Input.VariableType, out fromSymbol);
      }

      selectStatementStack.Push(result);
      symbolTable.EnterScope();

      AddFromSymbol(result, e.Input.VariableName, fromSymbol);

      AddSortKeys(result.OrderBy, e.SortOrder);

      symbolTable.ExitScope();
      selectStatementStack.Pop();

      return result;
    }

    /// <summary>
    /// <see cref="DbTreatExpression"/> is illegal at this stage
    /// </summary>
    /// <param name="e"></param>
    /// <returns>A <see cref="SqlBuilder"/></returns>
    public override ISqlFragment Visit(DbTreatExpression e)
    {
      throw new NotSupportedException();
    }

    /// <summary>
    /// This code is shared by <see cref="Visit(DbExceptExpression)"/>
    /// and <see cref="Visit(DbIntersectExpression)"/>
    ///
    /// <see cref="VisitSetOpExpression"/>
    /// Since the left and right expression may not be Sql select statements,
    /// we must wrap them up to look like SQL select statements.
    /// </summary>
    /// <param name="e"></param>
    /// <returns></returns>
    public override ISqlFragment Visit(DbUnionAllExpression e)
    {
      return VisitSetOpExpression(e.Left, e.Right, "UNION ALL");
    }

    /// <summary>
    /// This method determines whether an extent from an outer scope(free variable)
    /// is used in the CurrentSelectStatement.
    ///
    /// An extent in an outer scope, if its symbol is not in the FromExtents
    /// of the CurrentSelectStatement.
    /// </summary>
    /// <param name="e"></param>
    /// <returns>A <see cref="Symbol"/>.</returns>
    public override ISqlFragment Visit(DbVariableReferenceExpression e)
    {
      if (isVarRefSingle)
      {
        throw new NotSupportedException();
        // A DbVariableReferenceExpression has to be a child of DbPropertyExpression or MethodExpression
        // This is also checked in GenerateSql(...) at the end of the visiting.
      }
      isVarRefSingle = true; // This will be reset by DbPropertyExpression or MethodExpression

      Symbol result = symbolTable.Lookup(e.VariableName);
      if (!CurrentSelectStatement.FromExtents.Contains(result))
      {
        CurrentSelectStatement.OuterExtents[result] = true;
      }

      return result;
    }

    #region Visits shared by multiple nodes
    /// <summary>
    /// Aggregates are not visited by the normal visitor walk.
    /// </summary>
    /// <param name="aggregate">The aggreate go be translated</param>
    /// <param name="aggregateArgument">The translated aggregate argument</param>
    /// <returns></returns>
    SqlBuilder VisitAggregate(DbAggregate aggregate, object aggregateArgument)
    {
      SqlBuilder aggregateResult = new SqlBuilder();
      DbFunctionAggregate functionAggregate = aggregate as DbFunctionAggregate;

      if (functionAggregate == null)
      {
        throw new NotSupportedException();
      }

      //The only aggregate function with different name is Big_Count
      //Note: If another such function is to be added, a dictionary should be created
      //if (MetadataHelpers.IsCanonicalFunction(functionAggregate.Function)
      //    && String.Equals(functionAggregate.Function.Name, "BigCount", StringComparison.Ordinal))
      //{
      //  aggregateResult.Append("COUNT_BIG");
      //}
      //else
      {
        WriteFunctionName(aggregateResult, functionAggregate.Function);
      }

      aggregateResult.Append("(");

      DbFunctionAggregate fnAggr = functionAggregate;
      if ((null != fnAggr) && (fnAggr.Distinct))
      {
        aggregateResult.Append("DISTINCT ");
      }

      aggregateResult.Append(aggregateArgument);

      aggregateResult.Append(")");
      return aggregateResult;
    }
    public override bool Visit(DbLimitExpression expression)
    {
      return VisitExpression(expression.Argument);
    }

    public override bool Visit(DbNewInstanceExpression expression)
    {
      return VisitExpressionList(expression.Arguments);
    }

    public override bool Visit(DbNotExpression expression)
    {
      return VisitUnaryExpression(expression);
    }

    public override bool Visit(DbNullExpression expression)
    {
      return false;


    SqlBuilder VisitBinaryExpression(string op, DbExpression left, DbExpression right)
    {
      SqlBuilder result = new SqlBuilder();
      if (IsComplexExpression(left))
      {
        result.Append("(");
      }

      result.Append(left.Accept(this));

      if (IsComplexExpression(left))
      {
        result.Append(")");
      }

      result.Append(op);

      if (IsComplexExpression(right))
      {
        result.Append("(");
      }

      result.Append(right.Accept(this));

      if (IsComplexExpression(right))
      {
        result.Append(")");
      }

      return result;
    }

    /// <summary>
    /// This is called by the relational nodes.  It does the following
    /// <list>
    /// <item>If the input is not a SqlSelectStatement, it assumes that the input
    /// is a collection expression, and creates a new SqlSelectStatement </item>
    /// </list>
    /// </summary>
    /// <param name="inputExpression"></param>
    /// <param name="inputVarName"></param>
    /// <param name="inputVarType"></param>
    /// <param name="fromSymbol"></param>
    /// <returns>A <see cref="SqlSelectStatement"/> and the main fromSymbol
    /// for this select statement.</returns>
    SqlSelectStatement VisitInputExpression(DbExpression inputExpression,
        string inputVarName, TypeUsage inputVarType, out Symbol fromSymbol)
    {
      SqlSelectStatement result;
      ISqlFragment sqlFragment = inputExpression.Accept(this);
      result = sqlFragment as SqlSelectStatement;

      if (result == null)
      {
        result = new SqlSelectStatement();
        WrapNonQueryExtent(result, sqlFragment, inputExpression.ExpressionKind);
      }

      if (result.FromExtents.Count == 0)
      {
        // input was an extent
        fromSymbol = new Symbol(inputVarName, inputVarType);
      }
      else if (result.FromExtents.Count == 1)
      {
        // input was Filter/GroupBy/Project/OrderBy
        // we are likely to reuse this statement.
        fromSymbol = result.FromExtents[0];
      }
      else
      {
        // input was a join.
        // we are reusing the select statement produced by a Join node
        // we need to remove the original extents, and replace them with a
        // new extent with just the Join symbol.
        JoinSymbol joinSymbol = new JoinSymbol(inputVarName, inputVarType, result.FromExtents);
        joinSymbol.FlattenedExtentList = result.AllJoinExtents;

        fromSymbol = joinSymbol;
        result.FromExtents.Clear();
        result.FromExtents.Add(fromSymbol);
      }

      return result;
    }

    /// <summary>
    /// <see cref="Visit(DbIsEmptyExpression)"/>
    /// </summary>
    /// <param name="e"></param>
    /// <param name="negate">Was the parent a DbNotExpression?</param>
    /// <returns></returns>
    SqlBuilder VisitIsEmptyExpression(DbIsEmptyExpression e, bool negate)
    {
      SqlBuilder result = new SqlBuilder();
      if (!negate)
      {
        result.Append(" NOT");
      }
      result.Append(" EXISTS (");
      result.Append(VisitExpressionEnsureSqlStatement(e.Argument));
      result.AppendLine();
      result.Append(")");

      return result;
    }


    /// <summary>
    /// Translate a NewInstance(Element(X)) expression into
    ///   "select top(1) * from X"
    /// </summary>
    /// <param name="e"></param>
    /// <returns></returns>
    private ISqlFragment VisitCollectionConstructor(DbNewInstanceExpression e)
    {
      Debug.Assert(e.Arguments.Count <= 1);

      if (e.Arguments.Count == 1 && e.Arguments[0].ExpressionKind == DbExpressionKind.Element)
      {
        DbElementExpression elementExpr = e.Arguments[0] as DbElementExpression;
        SqlSelectStatement result = VisitExpressionEnsureSqlStatement(elementExpr.Argument);

        if (!IsCompatible(result, DbExpressionKind.Element))
        {
          Symbol fromSymbol;
          TypeUsage inputType = MetadataHelpers.GetElementTypeUsage(elementExpr.Argument.ResultType);

          result = CreateNewSelectStatement(result, "element", inputType, out fromSymbol);
          AddFromSymbol(result, "element", fromSymbol, false);
        }
        result.Top = new TopClause(1, false);
        return result;
      }


      // Otherwise simply build this out as a union-all ladder
      CollectionType collectionType = MetadataHelpers.GetEdmType<CollectionType>(e.ResultType);
      Debug.Assert(collectionType != null);
      bool isScalarElement = MetadataHelpers.IsPrimitiveType(collectionType.TypeUsage);

      SqlBuilder resultSql = new SqlBuilder();
      string separator = "";

      // handle empty table
      if (e.Arguments.Count == 0)
      {
        Debug.Assert(isScalarElement);
        resultSql.Append(" SELECT NULL");
        resultSql.Append(" AS X FROM (SELECT 1) AS Y WHERE 1=0");
      }

      foreach (DbExpression arg in e.Arguments)
      {
        resultSql.Append(separator);
        resultSql.Append(" SELECT ");
        resultSql.Append(arg.Accept(this));
        // For scalar elements, no alias is appended yet. Add this.
        if (isScalarElement)
        {
          resultSql.Append(" AS X ");
        }
        separator = " UNION ALL ";
      }

      return resultSql;
    }


    /// <summary>
    /// <see cref="Visit(DbIsNullExpression)"/>
    /// </summary>
    /// <param name="e"></param>
    /// <param name="negate">Was the parent a DbNotExpression?</param>
    /// <returns></returns>
    SqlBuilder VisitIsNullExpression(DbIsNullExpression e, bool negate)
    {
      SqlBuilder result = new SqlBuilder();
      result.Append(e.Argument.Accept(this));
      if (!negate)
      {
        result.Append(" IS NULL");
      }
      else
      {
        result.Append(" IS NOT NULL");
      }

      return result;
    }

    /// <summary>
    /// This handles the processing of join expressions.
    /// The extents on a left spine are flattened, while joins
    /// not on the left spine give rise to new nested sub queries.
    ///
    /// Joins work differently from the rest of the visiting, in that
    /// the parent (i.e. the join node) creates the SqlSelectStatement
    /// for the children to use.
    ///
    /// The "parameter" IsInJoinContext indicates whether a child extent should
    /// add its stuff to the existing SqlSelectStatement, or create a new SqlSelectStatement
    /// By passing true, we ask the children to add themselves to the parent join,
    /// by passing false, we ask the children to create new Select statements for
    /// themselves.
    ///
    /// This method is called from <see cref="Visit(DbApplyExpression)"/> and
    /// <see cref="Visit(DbJoinExpression)"/>.
    /// </summary>
    /// <param name="inputs"></param>
    /// <param name="joinKind"></param>
    /// <param name="joinString"></param>
    /// <param name="joinCondition"></param>
    /// <returns> A <see cref="SqlSelectStatement"/></returns>
    ISqlFragment VisitJoinExpression(IList<DbExpressionBinding> inputs, DbExpressionKind joinKind,
        string joinString, DbExpression joinCondition)
    {
      SqlSelectStatement result;
      // If the parent is not a join( or says that it is not),
      // we should create a new SqlSelectStatement.
      // otherwise, we add our child extents to the parent's FROM clause.
      if (!IsParentAJoin)
      {
        result = new SqlSelectStatement();
        result.AllJoinExtents = new List<Symbol>();
        selectStatementStack.Push(result);
      }
      else
      {
        result = CurrentSelectStatement;
      }

      // Process each of the inputs, and then the joinCondition if it exists.
      // It would be nice if we could call VisitInputExpression - that would
      // avoid some code duplication
      // but the Join postprocessing is messy and prevents this reuse.
      symbolTable.EnterScope();

      string separator = "";
      bool isLeftMostInput = true;
      int inputCount = inputs.Count;
      for (int idx = 0; idx < inputCount; idx++)
      {
        DbExpressionBinding input = inputs[idx];
    public override bool Visit(DbOfTypeExpression expression)
    {
      return VisitUnaryExpression(expression);
    }

        if (separator != "")
        {
          result.From.AppendLine();
        }
        result.From.Append(separator + " ");
        // Change this if other conditions are required
        // to force the child to produce a nested SqlStatement.
        bool needsJoinContext = (input.Expression.ExpressionKind == DbExpressionKind.Scan)
                                || (isLeftMostInput &&
                                    (IsJoinExpression(input.Expression)
                                     || IsApplyExpression(input.Expression)))
                                ;

        isParentAJoinStack.Push(needsJoinContext ? true : false);
        // if the child reuses our select statement, it will append the from
        // symbols to our FromExtents list.  So, we need to remember the
        // start of the child's entries.
        int fromSymbolStart = result.FromExtents.Count;

        ISqlFragment fromExtentFragment = input.Expression.Accept(this);

        isParentAJoinStack.Pop();
    public override bool Visit(DbOrExpression expression)
    {
      return VisitBinaryExpression(expression);
    }

        ProcessJoinInputResult(fromExtentFragment, result, input, fromSymbolStart);
        separator = joinString;

        isLeftMostInput = false;
      }

      // Visit the on clause/join condition.
      switch (joinKind)
      {
        case DbExpressionKind.FullOuterJoin:
        case DbExpressionKind.InnerJoin:
        case DbExpressionKind.LeftOuterJoin:
          result.From.Append(" ON ");
          isParentAJoinStack.Push(false);
          result.From.Append(joinCondition.Accept(this));
          isParentAJoinStack.Pop();
          break;
      }

      symbolTable.ExitScope();

      if (!IsParentAJoin)
      {
        selectStatementStack.Pop();
      }

      return result;
    }

    /// <summary>
    /// This is called from <see cref="VisitJoinExpression"/>.
    ///
    /// This is responsible for maintaining the symbol table after visiting
    /// a child of a join expression.
    ///
    /// The child's sql statement may need to be completed.
    ///
    /// The child's result could be one of
    /// <list type="number">
    /// <item>The same as the parent's - this is treated specially.</item>
    /// <item>A sql select statement, which may need to be completed</item>
    /// <item>An extent - just copy it to the from clause</item>
    /// <item>Anything else (from a collection-valued expression) -
    /// unnest and copy it.</item>
    /// </list>
    ///
    /// If the input was a Join, we need to create a new join symbol,
    /// otherwise, we create a normal symbol.
    ///
    /// We then call AddFromSymbol to add the AS clause, and update the symbol table.
    ///
    ///
    ///
    /// If the child's result was the same as the parent's, we have to clean up
    /// the list of symbols in the FromExtents list, since this contains symbols from
    /// the children of both the parent and the child.
    /// The happens when the child visited is a Join, and is the leftmost child of
    /// the parent.
    /// </summary>
    /// <param name="fromExtentFragment"></param>
    /// <param name="result"></param>
    /// <param name="input"></param>
    /// <param name="fromSymbolStart"></param>
    void ProcessJoinInputResult(ISqlFragment fromExtentFragment, SqlSelectStatement result,
        DbExpressionBinding input, int fromSymbolStart)
    {
      Symbol fromSymbol = null;

      if (result != fromExtentFragment)
      {
        // The child has its own select statement, and is not reusing
        // our select statement.
        // This should look a lot like VisitInputExpression().
        SqlSelectStatement sqlSelectStatement = fromExtentFragment as SqlSelectStatement;
        if (sqlSelectStatement != null)
        {
          if (sqlSelectStatement.Select.IsEmpty)
          {
            List<Symbol> columns = AddDefaultColumns(sqlSelectStatement);

            if (IsJoinExpression(input.Expression)
                || IsApplyExpression(input.Expression))
            {
              List<Symbol> extents = sqlSelectStatement.FromExtents;
              JoinSymbol newJoinSymbol = new JoinSymbol(input.VariableName, input.VariableType, extents);
              newJoinSymbol.IsNestedJoin = true;
              newJoinSymbol.ColumnList = columns;

              fromSymbol = newJoinSymbol;
            }
            else
            {
              // this is a copy of the code in CreateNewSelectStatement.
    public override bool Visit(DbParameterReferenceExpression expression)
    {
      return false;
    }

    public override bool Visit(DbProjectExpression expression)
    {
      bool flag1 = VisitExpressionBinding(expression.Input);
      bool flag2 = VisitExpression(expression.Projection);
      return (flag1 || flag2);
    }

    public override bool Visit(DbPropertyExpression expression)
    {
      return VisitExpression(expression.Instance);
    }

    public override bool Visit(DbQuantifierExpression expression)

              // if the oldStatement has a join as its input, ...
              // clone the join symbol, so that we "reuse" the
              // join symbol.  Normally, we create a new symbol - see the next block
              // of code.
              JoinSymbol oldJoinSymbol = sqlSelectStatement.FromExtents[0] as JoinSymbol;
              if (oldJoinSymbol != null)
              {
                // Note: sqlSelectStatement.FromExtents will not do, since it might
                // just be an alias of joinSymbol, and we want an actual JoinSymbol.
                JoinSymbol newJoinSymbol = new JoinSymbol(input.VariableName, input.VariableType, oldJoinSymbol.ExtentList);
                // This indicates that the sqlSelectStatement is a blocking scope
                // i.e. it hides/renames extent columns
                newJoinSymbol.IsNestedJoin = true;
                newJoinSymbol.ColumnList = columns;
                newJoinSymbol.FlattenedExtentList = oldJoinSymbol.FlattenedExtentList;

                fromSymbol = newJoinSymbol;
              }
            }

          }
          result.From.Append(" (");
          result.From.Append(sqlSelectStatement);
          result.From.Append(" )");
        }
        else if (input.Expression is DbScanExpression)
        {
          result.From.Append(fromExtentFragment);
        }
        else // bracket it
        {
          WrapNonQueryExtent(result, fromExtentFragment, input.Expression.ExpressionKind);
        }

        if (fromSymbol == null) // i.e. not a join symbol
        {
          fromSymbol = new Symbol(input.VariableName, input.VariableType);
        }


        AddFromSymbol(result, input.VariableName, fromSymbol);
        result.AllJoinExtents.Add(fromSymbol);
      }
      else // result == fromExtentFragment.  The child extents have been merged into the parent's.
      {
        // we are adding extents to the current sql statement via flattening.
        // We are replacing the child's extents with a single Join symbol.
        // The child's extents are all those following the index fromSymbolStart.
        //
        List<Symbol> extents = new List<Symbol>();

        // We cannot call extents.AddRange, since the is no simple way to
        // get the range of symbols fromSymbolStart..result.FromExtents.Count
        // from result.FromExtents.
        // We copy these symbols to create the JoinSymbol later.
        for (int i = fromSymbolStart; i < result.FromExtents.Count; ++i)
        {
          extents.Add(result.FromExtents[i]);
        }
        result.FromExtents.RemoveRange(fromSymbolStart, result.FromExtents.Count - fromSymbolStart);
        fromSymbol = new JoinSymbol(input.VariableName, input.VariableType, extents);
        result.FromExtents.Add(fromSymbol);
        // this Join Symbol does not have its own select statement, so we
        // do not set IsNestedJoin


        // We do not call AddFromSymbol(), since we do not want to add
        // "AS alias" to the FROM clause- it has been done when the extent was added earlier.
        symbolTable.Add(input.VariableName, fromSymbol);
      }
    }

    /// <summary>
    /// We assume that this is only called as a child of a Project.
    ///
    /// This replaces <see cref="Visit(DbNewInstanceExpression)"/>, since
    /// we do not allow DbNewInstanceExpression as a child of any node other than
    /// DbProjectExpression.
    ///
    /// We write out the translation of each of the columns in the record.
    /// </summary>
    /// <param name="e"></param>

    /// <returns>A <see cref="SqlBuilder"/></returns>
    ISqlFragment VisitNewInstanceExpression(DbNewInstanceExpression e)
    {
      SqlBuilder result = new SqlBuilder();
      RowType rowType = e.ResultType.EdmType as RowType;

      if (null != rowType)
      {
        _typeDefs.Length = 0;
        ReadOnlyMetadataCollection<EdmProperty> members = rowType.Properties;
        string separator = "";
        for (int i = 0; i < e.Arguments.Count; ++i)
        {
          DbExpression argument = e.Arguments[i];
          if (MetadataHelpers.IsRowType(argument.ResultType))
          {
            // We do not support nested records or other complex objects.
            throw new NotSupportedException();
          }

          EdmProperty member = members[i];
          _typeDefs.Append(separator);
          _typeDefs.Append(GetSqlPrimitiveType(member.TypeUsage));
          result.Append(separator);
          result.AppendLine();
          result.Append(argument.Accept(this));
          result.Append(" AS ");
          result.Append(QuoteIdentifier(member.Name));
          separator = ", ";
        }
      }
      else
      {
        //
        // Types other then RowType (such as UDTs for instance) are not supported.
        //
        throw new NotSupportedException();
      }

      return result;
    }

    ISqlFragment VisitSetOpExpression(DbExpression left, DbExpression right, string separator)
    {

      SqlSelectStatement leftSelectStatement = VisitExpressionEnsureSqlStatement(left);
      SqlSelectStatement rightSelectStatement = VisitExpressionEnsureSqlStatement(right);

      SqlBuilder setStatement = new SqlBuilder();
      setStatement.Append(leftSelectStatement);
      setStatement.AppendLine();
      setStatement.Append(separator); // e.g. UNION ALL
      setStatement.AppendLine();
      setStatement.Append(rightSelectStatement);

      return setStatement;
    }


    #endregion


    #region Function Handling Helpers
    /// <summary>
    /// Determines whether the given function is a built-in function that requires special handling
    /// </summary>
    /// <param name="e"></param>
    /// <returns></returns>
    private bool IsSpecialBuiltInFunction(DbFunctionExpression e)
    {
      return IsBuiltinFunction(e.Function) && _builtInFunctionHandlers.ContainsKey(e.Function.Name);
    }

    /// <summary>
    /// Determines whether the given function is a canonical function that requires special handling
    /// </summary>
    /// <param name="e"></param>
    /// <returns></returns>
    private bool IsSpecialCanonicalFunction(DbFunctionExpression e)
    {
      return MetadataHelpers.IsCanonicalFunction(e.Function) && _canonicalFunctionHandlers.ContainsKey(e.Function.Name);
    }

    /// <summary>
    /// Default handling for functions
    /// Translates them to FunctionName(arg1, arg2, ..., argn)
    /// </summary>
    /// <param name="e"></param>
    /// <returns></returns>
    private ISqlFragment HandleFunctionDefault(DbFunctionExpression e)
    {
      SqlBuilder result = new SqlBuilder();
      WriteFunctionName(result, e.Function);
      HandleFunctionArgumentsDefault(e, result);
      return result;
    }

    /// <summary>
    /// Default handling for functions with a given name.
    /// Translates them to functionName(arg1, arg2, ..., argn)
    /// </summary>
    /// <param name="e"></param>
    /// <param name="functionName"></param>
    /// <returns></returns>
    private ISqlFragment HandleFunctionDefaultGivenName(DbFunctionExpression e, string functionName)
    {
      SqlBuilder result = new SqlBuilder();
      result.Append(functionName);
      HandleFunctionArgumentsDefault(e, result);
      return result;
    }
      bool flag1 = VisitExpressionBinding(expression.Input);
      bool flag2 = VisitExpression(expression.Predicate);
      return (flag1 || flag2);
    }

    public override bool Visit(DbRefExpression expression)

    /// <summary>
    /// Default handling on function arguments
    /// Appends the list of arguments to the given result
    /// If the function is niladic it does not append anything,
    /// otherwise it appends (arg1, arg2, ..., argn)
    /// </summary>
    /// <param name="e"></param>
    /// <param name="result"></param>
    private void HandleFunctionArgumentsDefault(DbFunctionExpression e, SqlBuilder result)
    {
      bool isNiladicFunction = MetadataHelpers.TryGetValueForMetadataProperty<bool>(e.Function, "NiladicFunctionAttribute");
      if (isNiladicFunction && e.Arguments.Count > 0)
      {
        throw new InvalidOperationException("Niladic functions cannot have parameters");
      }

      if (!isNiladicFunction)
      {
        result.Append("(");
        string separator = "";
        foreach (DbExpression arg in e.Arguments)
        {
          result.Append(separator);
          result.Append(arg.Accept(this));
          separator = ", ";
        }
        result.Append(")");
      }
    }

    /// <summary>
    /// Handler for special built in functions
    /// </summary>
    /// <param name="e"></param>
    /// <returns></returns>
    private ISqlFragment HandleSpecialBuiltInFunction(DbFunctionExpression e)
    {
      return HandleSpecialFunction(_builtInFunctionHandlers, e);
    }

    /// <summary>
    /// Handler for special canonical functions
    /// </summary>
    /// <param name="e"></param>
    /// <returns></returns>
    private ISqlFragment HandleSpecialCanonicalFunction(DbFunctionExpression e)
    {
      return HandleSpecialFunction(_canonicalFunctionHandlers, e);
    }

    /// <summary>
    /// Dispatches the special function processing to the appropriate handler
    /// </summary>
    /// <param name="handlers"></param>
    /// <param name="e"></param>
    /// <returns></returns>
    private ISqlFragment HandleSpecialFunction(Dictionary<string, FunctionHandler> handlers, DbFunctionExpression e)
    {
      if (!handlers.ContainsKey(e.Function.Name))
        throw new InvalidOperationException("Special handling should be called only for functions in the list of special functions");
      return VisitUnaryExpression(expression);

      return handlers[e.Function.Name](this, e);
    }

    /// <summary>
    /// Handles functions that are translated into TSQL operators.
    /// The given function should have one or two arguments. 
    /// Functions with one arguemnt are translated into 
    ///     op arg
    /// Functions with two arguments are translated into
    ///     arg0 op arg1
    /// Also, the arguments can be optionaly enclosed in parethesis
    /// </summary>
    /// <param name="e"></param>
    /// <param name="parenthesiseArguments">Whether the arguments should be enclosed in parethesis</param>
    /// <returns></returns>
    private ISqlFragment HandleSpecialFunctionToOperator(DbFunctionExpression e, bool parenthesiseArguments)
    {
      SqlBuilder result = new SqlBuilder();
      Debug.Assert(e.Arguments.Count > 0 && e.Arguments.Count <= 2, "There should be 1 or 2 arguments for operator");

      if (e.Arguments.Count > 1)
      {
        if (parenthesiseArguments)
        {
          result.Append("(");
        }
        result.Append(e.Arguments[0].Accept(this));
        if (parenthesiseArguments)
        {
          result.Append(")");
        }
      }
      result.Append(" ");
      Debug.Assert(_functionNameToOperatorDictionary.ContainsKey(e.Function.Name), "The function can not be mapped to an operator");
      result.Append(_functionNameToOperatorDictionary[e.Function.Name]);
      result.Append(" ");

      if (parenthesiseArguments)

    public override bool Visit(DbRefKeyExpression expression)
    {
      return VisitUnaryExpression(expression);
      {
        result.Append("(");
      }
      result.Append(e.Arguments[e.Arguments.Count - 1].Accept(this));
      if (parenthesiseArguments)
      {
        result.Append(")");
      }
      return result;
    }


    /// <summary>
    /// <see cref="HandleSpecialFunctionToOperator"></see>
    /// </summary>
    /// <param name="sqlgen"></param>
    /// <param name="e"></param>
    /// <returns></returns>
    private static ISqlFragment HandleConcatFunction(SqlGenerator sqlgen, DbFunctionExpression e)
    {
      return sqlgen.HandleSpecialFunctionToOperator(e, false);
    }

    /// <summary>
    /// <see cref="HandleSpecialFunctionToOperator"></see>
    /// </summary>
    /// <param name="sqlgen"></param>
    /// <param name="e"></param>
    /// <returns></returns>
    private static ISqlFragment HandleCanonicalFunctionBitwise(SqlGenerator sqlgen, DbFunctionExpression e)
    {
      return sqlgen.HandleSpecialFunctionToOperator(e, true);
    }

    private static ISqlFragment HandleGetDateFunction(SqlGenerator sqlgen, DbFunctionExpression e)
    {
      SqlBuilder result = new SqlBuilder();
      Debug.Assert(e.Arguments.Count == 0, "Canonical getdate function should have no arguments");

      switch (sqlgen._manifest._dateFormat)
      {
        case SQLiteDateFormats.Ticks:
          result.Append("(STRFTIME('%s', 'now') * 10000000 + 621355968000000000)");
          break;
        case SQLiteDateFormats.JulianDay:
          result.Append("CAST(STRFTIME('%J', 'now') AS double)");
          break;
        default:
          result.Append("STRFTIME('%Y-%m-%d %H:%M:%S', 'now')");
          break;
      }

      return result;
    }

    private static ISqlFragment HandleGetUtcDateFunction(SqlGenerator sqlgen, DbFunctionExpression e)
    {
      SqlBuilder result = new SqlBuilder();
      Debug.Assert(e.Arguments.Count == 0, "Canonical getutcdate function should have no arguments");

      switch (sqlgen._manifest._dateFormat)

    public override bool Visit(DbRelationshipNavigationExpression expression)
    {
      return VisitExpression(expression.NavigationSource);
    }
      {
        case SQLiteDateFormats.Ticks:
          result.Append("(STRFTIME('%s', 'now', 'utc') * 10000000 + 621355968000000000)");
          break;
        case SQLiteDateFormats.JulianDay:
          result.Append("CAST(STRFTIME('%J', 'now', 'utc') AS double)");
          break;
        default:
          result.Append("STRFTIME('%Y-%m-%d %H:%M:%S', 'now', 'utc')");
          break;
      }

      return result;
    }

    /// <summary>
    /// Handles special case in which datepart 'type' parameter is present. all the functions
    /// handles here have *only* the 1st parameter as datepart. datepart value is passed along
    /// the QP as string and has to be expanded as TSQL keyword.
    /// </summary>
    /// <param name="sqlgen"></param>
    /// <param name="e"></param>
    /// <returns></returns>
    private static ISqlFragment HandleDatepartDateFunction(SqlGenerator sqlgen, DbFunctionExpression e)
    {
      Debug.Assert(e.Arguments.Count == 2, "datepart function must have 2 arguments");

      DbConstantExpression constExpr = e.Arguments[0] as DbConstantExpression;
      if (null == constExpr)
      {
        throw new InvalidOperationException(String.Format("DATEPART argument to function '{0}.{1}' must be a literal string", e.Function.NamespaceName, e.Function.Name));
      }

      string datepart = constExpr.Value as string;
      if (null == datepart)
      {
        throw new InvalidOperationException(String.Format("DATEPART argument to function '{0}.{1}' must be a literal string", e.Function.NamespaceName, e.Function.Name));
      }
    public override bool Visit(DbScanExpression expression)
    {
      return false;

      SqlBuilder result = new SqlBuilder();

      //
      // check if datepart value is valid
      //
      string trans;
      if (!_datepartKeywords.TryGetValue(datepart, out trans))
      {
        throw new InvalidOperationException(String.Format("{0}' is not a valid value for DATEPART argument in '{1}.{2}' function", datepart, e.Function.NamespaceName, e.Function.Name));
      }

      if (trans != "%f")
      {
        result.Append("CAST(STRFTIME('");

        // expand the datepart literal as tsql kword
        result.Append(trans);
        result.Append("', ");

        switch (sqlgen._manifest._dateFormat)
        {
          case SQLiteDateFormats.Ticks:
            result.Append(String.Format("(({0} - 621355968000000000) / 10000000.0)", e.Arguments[1].Accept(sqlgen)));
            break;
          default:
            result.Append(e.Arguments[1].Accept(sqlgen));
            break;
        }

        result.Append(") AS integer)");
      }
      else
      {
        result.Append("CAST(SUBSTR(STRFTIME('%f', ");

        switch (sqlgen._manifest._dateFormat)
        {
          case SQLiteDateFormats.Ticks:
            result.Append(String.Format("(({0} - 621355968000000000) / 10000000.0)", e.Arguments[1].Accept(sqlgen)));
            break;
          default:
            result.Append(e.Arguments[1].Accept(sqlgen));
            break;
        }

        result.Append("), 4) AS integer)");
      }

      return result;
    }

    /// <summary>
    /// DateAdd(datetime, secondsToAdd) -> DATEADD ( seconds , number,  date)
    /// </summary>
    /// <param name="sqlgen"></param>
    /// <param name="e"></param>
    /// <returns></returns>
    private static ISqlFragment HandleCanonicalFunctionDateAdd(SqlGenerator sqlgen, DbFunctionExpression e)
    {
      SqlBuilder result = new SqlBuilder();
      Debug.Assert(e.Arguments.Count == 2, "Canonical datepart functions should have exactly two arguments");

      switch (sqlgen._manifest._dateFormat)
      {
        case SQLiteDateFormats.Ticks:
          result.Append(String.Format("(STRFTIME('%s', JULIANDAY({1}) + ({0} / 86400.0)) * 10000000 + 621355968000000000)", e.Arguments[0].Accept(sqlgen), e.Arguments[1].Accept(sqlgen)));
          break;
        case SQLiteDateFormats.JulianDay:
          result.Append(String.Format("CAST(STRFTIME('%J', JULIANDAY({1}) + ({0} / 86400.0)) AS double)", e.Arguments[0].Accept(sqlgen), e.Arguments[1].Accept(sqlgen)));
          break;
        default:
          result.Append(String.Format("STRFTIME('%Y-%m-%d %H:%M:%S', JULIANDAY({1}) + ({0} / 86400.0))", e.Arguments[0].Accept(sqlgen), e.Arguments[1].Accept(sqlgen)));
          break;
      }

      return result;
    }

    /// <summary>
    /// DateSubtract(datetime1, datetime2) -> DATEDIFF ( seconds , startdate , enddate ) 
    /// </summary>
    /// <param name="sqlgen"></param>
    /// <param name="e"></param>
    /// <returns></returns>
    private static ISqlFragment HandleCanonicalFunctionDateSubtract(SqlGenerator sqlgen, DbFunctionExpression e)

    public override bool Visit(DbSkipExpression expression)
    {
      VisitExpressionBinding(expression.Input);
      VisitSortClauseList(expression.SortOrder);
      VisitExpression(expression.Count);
      return true;
    {
      SqlBuilder result = new SqlBuilder();
      Debug.Assert(e.Arguments.Count == 2, "Canonical datepart functions should have exactly two arguments");

      switch (sqlgen._manifest._dateFormat)
      {
        case SQLiteDateFormats.Ticks:
          result.Append(String.Format("CAST((({0} - 621355968000000000) / 10000000.0)  - (({1} - 621355968000000000) / 10000000.0) * 86400.0 AS integer)", e.Arguments[0].Accept(sqlgen), e.Arguments[1].Accept(sqlgen)));
          break;
        default:
          result.Append(String.Format("CAST((JULIANDAY({1}) - JULIANDAY({0})) * 86400.0 AS integer)", e.Arguments[0].Accept(sqlgen), e.Arguments[1].Accept(sqlgen)));
          break;
      }

      return result;
    }

    /// <summary>
    /// Handler for canonical functions for extracting date parts. 
    /// For example:
    ///     Year(date) -> DATEPART( year, date)
    /// </summary>
    /// <param name="sqlgen"></param>
    /// <param name="e"></param>
    /// <returns></returns>
    private static ISqlFragment HandleCanonicalFunctionDatepart(SqlGenerator sqlgen, DbFunctionExpression e)
    {
      string trans;
      if (!_datepartKeywords.TryGetValue(e.Function.Name, out trans))
      {
        throw new InvalidOperationException(String.Format("{0}' is not a valid value for STRFTIME argument", e.Function.Name));
      }

      SqlBuilder result = new SqlBuilder();
      result.Append("CAST(STRFTIME('");
      result.Append(trans);
      result.Append("', ");

      Debug.Assert(e.Arguments.Count == 1, "Canonical datepart functions should have exactly one argument");

      switch (sqlgen._manifest._dateFormat)
      {
        case SQLiteDateFormats.Ticks:
          result.Append(String.Format("(({0} - 621355968000000000) / 10000000.0)", e.Arguments[0].Accept(sqlgen)));
          break;
        default:
          result.Append(e.Arguments[0].Accept(sqlgen));
          break;
      }

      result.Append(") AS integer)");

      return result;
    }

    /// <summary>
    ///  Function rename IndexOf -> CHARINDEX
    /// </summary>
    /// <param name="sqlgen"></param>
    /// <param name="e"></param>
    /// <returns></returns>
    private static ISqlFragment HandleCanonicalFunctionIndexOf(SqlGenerator sqlgen, DbFunctionExpression e)

    public override bool Visit(DbSortExpression expression)
    {
      return sqlgen.HandleFunctionDefaultGivenName(e, "CHARINDEX");
    }

    /// <summary>
    ///  Function rename NewGuid -> NEWID
    /// </summary>
    /// <param name="sqlgen"></param>
    /// <param name="e"></param>
    /// <returns></returns>
    private static ISqlFragment HandleCanonicalFunctionNewGuid(SqlGenerator sqlgen, DbFunctionExpression e)
    {
      SqlBuilder result = new SqlBuilder();
      result.Append("RANDOMBLOB(16)");
      return result;
    }
      bool flag1 = VisitExpressionBinding(expression.Input);
      bool flag2 = VisitSortClauseList(expression.SortOrder);
      return (flag1 || flag2);

    /// <summary>
    ///  Length(arg) -> LEN(arg + '.') - LEN('.')
    /// </summary>
    /// <param name="sqlgen"></param>
    /// <param name="e"></param>
    /// <returns></returns>
    private static ISqlFragment HandleCanonicalFunctionLength(SqlGenerator sqlgen, DbFunctionExpression e)
    {
      SqlBuilder result = new SqlBuilder();

      result.Append("LENGTH(");

      Debug.Assert(e.Arguments.Count == 1, "Len should have one argument");
      result.Append(e.Arguments[0].Accept(sqlgen));

      result.Append(")");
      //result.Append(" + '.') - LEN('.')");

      return result;
    }

    /// <summary>
    /// Round(numericExpression) -> Round(numericExpression, 0);
    /// </summary>
    /// <param name="sqlgen"></param>
    /// <param name="e"></param>
    /// <returns></returns>
    private static ISqlFragment HandleCanonicalFunctionRound(SqlGenerator sqlgen, DbFunctionExpression e)
    {
      SqlBuilder result = new SqlBuilder();

      result.Append("ROUND(");

      Debug.Assert(e.Arguments.Count == 1, "Round should have one argument");
      result.Append(e.Arguments[0].Accept(sqlgen));

      result.Append(", 0)");

      return result;
    }

    /// <summary>
    /// TRIM(string) -> LTRIM(RTRIM(string))
    /// </summary>
    /// <param name="sqlgen"></param>
    /// <param name="e"></param>
    /// <returns></returns>
    private static ISqlFragment HandleCanonicalFunctionTrim(SqlGenerator sqlgen, DbFunctionExpression e)
    {
      SqlBuilder result = new SqlBuilder();
    public override bool Visit(DbTreatExpression expression)
    {
      return VisitUnaryExpression(expression);
    }


      result.Append("TRIM(");

      Debug.Assert(e.Arguments.Count == 1, "Trim should have one argument");
      result.Append(e.Arguments[0].Accept(sqlgen));

      result.Append(")");

      return result;
    }

    /// <summary>
    ///  Function rename ToLower -> LOWER
    /// </summary>
    /// <param name="sqlgen"></param>
    /// <param name="e"></param>
    /// <returns></returns>
    private static ISqlFragment HandleCanonicalFunctionToLower(SqlGenerator sqlgen, DbFunctionExpression e)
    {
      return sqlgen.HandleFunctionDefaultGivenName(e, "LOWER");
    }

    /// <summary>
    ///  Function rename ToUpper -> UPPER
    /// </summary>
    /// <param name="sqlgen"></param>
    /// <param name="e"></param>
    /// <returns></returns>
    private static ISqlFragment HandleCanonicalFunctionToUpper(SqlGenerator sqlgen, DbFunctionExpression e)
    {
      return sqlgen.HandleFunctionDefaultGivenName(e, "UPPER");
    }

    #endregion


    #endregion

    #region Helper methods for the DbExpressionVisitor
    /// <summary>
    /// <see cref="AddDefaultColumns"/>
    /// Add the column names from the referenced extent/join to the
    /// select statement.
    ///
    /// If the symbol is a JoinSymbol, we recursively visit all the extents,
    /// halting at real extents and JoinSymbols that have an associated SqlSelectStatement.
    ///
    /// The column names for a real extent can be derived from its type.
    /// The column names for a Join Select statement can be got from the
    /// list of columns that was created when the Join's select statement
    /// was created.
    ///
    /// We do the following for each column.
    /// <list type="number">
    /// <item>Add the SQL string for each column to the SELECT clause</item>
    /// <item>Add the column to the list of columns - so that it can
    /// become part of the "type" of a JoinSymbol</item>
    /// <item>Check if the column name collides with a previous column added
    /// to the same select statement.  Flag both the columns for renaming if true.</item>
    /// <item>Add the column to a name lookup dictionary for collision detection.</item>
    /// </list>
    /// </summary>
    /// <param name="selectStatement">The select statement that started off as SELECT *</param>
    /// <param name="symbol">The symbol containing the type information for
    /// the columns to be added.</param>
    /// <param name="columnList">Columns that have been added to the Select statement.
    /// This is created in <see cref="AddDefaultColumns"/>.</param>
    /// <param name="columnDictionary">A dictionary of the columns above.</param>
    /// <param name="separator">Comma or nothing, depending on whether the SELECT
    /// clause is empty.</param>
    void AddColumns(SqlSelectStatement selectStatement, Symbol symbol,
        List<Symbol> columnList, Dictionary<string, Symbol> columnDictionary, ref string separator)
    {
    public override bool Visit(DbUnionAllExpression expression)
    {
      return VisitBinaryExpression(expression);
    }

    public override bool Visit(DbVariableReferenceExpression expression)
    {
      return false;
    }
      JoinSymbol joinSymbol = symbol as JoinSymbol;
      if (joinSymbol != null)
      {
        if (!joinSymbol.IsNestedJoin)
        {
          // Recurse if the join symbol is a collection of flattened extents
          foreach (Symbol sym in joinSymbol.ExtentList)
          {
            // if sym is ScalarType means we are at base case in the
            // recursion and there are not columns to add, just skip
            if (MetadataHelpers.IsPrimitiveType(sym.Type))
            {
              continue;
            }

            AddColumns(selectStatement, sym, columnList, columnDictionary, ref separator);
          }
        }
        else
        {
          foreach (Symbol joinColumn in joinSymbol.ColumnList)
          {
            // we write tableName.columnName
            // rather than tableName.columnName as alias
            // since the column name is unique (by the way we generate new column names)
            //
            // We use the symbols for both the table and the column,
            // since they are subject to renaming.
            selectStatement.Select.Append(separator);
            selectStatement.Select.Append(symbol);
            selectStatement.Select.Append(".");
            selectStatement.Select.Append(joinColumn);

            // check for name collisions.  If there is,
            // flag both the colliding symbols.
            if (columnDictionary.ContainsKey(joinColumn.Name))
            {
              columnDictionary[joinColumn.Name].NeedsRenaming = true; // the original symbol
              joinColumn.NeedsRenaming = true; // the current symbol.
            }
            else
            {
              columnDictionary[joinColumn.Name] = joinColumn;
            }

            columnList.Add(joinColumn);

            separator = ", ";
          }
        }
      }
      else
      {
        // This is a non-join extent/select statement, and the CQT type has
        // the relevant column information.

        // The type could be a record type(e.g. Project(...),
        // or an entity type ( e.g. EntityExpression(...)
        // so, we check whether it is a structuralType.

        // Consider an expression of the form J(a, b=P(E))
        // The inner P(E) would have been translated to a SQL statement
        // We should not use the raw names from the type, but the equivalent
        // symbols (they are present in symbol.Columns) if they exist.
        //
        // We add the new columns to the symbol's columns if they do
        // not already exist.
        //
    private bool VisitAggregate(DbAggregate aggregate)
    {
      return VisitExpressionList(aggregate.Arguments);
    }

    private bool VisitAggregateList(IList<DbAggregate> list)

        foreach (EdmProperty property in MetadataHelpers.GetProperties(symbol.Type))
        {
          string recordMemberName = property.Name;
          // Since all renaming happens in the second phase
          // we lose nothing by setting the next column name index to 0
          // many times.
          allColumnNames[recordMemberName] = 0;

          // Create a new symbol/reuse existing symbol for the column
          Symbol columnSymbol;
          if (!symbol.Columns.TryGetValue(recordMemberName, out columnSymbol))
          {
            // we do not care about the types of columns, so we pass null
            // when construction the symbol.
            columnSymbol = new Symbol(recordMemberName, null);
            symbol.Columns.Add(recordMemberName, columnSymbol);
          }

          selectStatement.Select.Append(separator);
          selectStatement.Select.Append(symbol);
          selectStatement.Select.Append(".");

          // We use the actual name before the "AS", the new name goes
          // after the AS.
          selectStatement.Select.Append(QuoteIdentifier(recordMemberName));

          selectStatement.Select.Append(" AS ");
          selectStatement.Select.Append(columnSymbol);

          // Check for column name collisions.
          if (columnDictionary.ContainsKey(recordMemberName))
          {
            columnDictionary[recordMemberName].NeedsRenaming = true;
            columnSymbol.NeedsRenaming = true;
          }
          else
          {
            columnDictionary[recordMemberName] = symbol.Columns[recordMemberName];
          }

          columnList.Add(columnSymbol);

          separator = ", ";
        }
      }
    }

    /// <summary>
    /// Expands Select * to "select the_list_of_columns"
    /// If the columns are taken from an extent, they are written as
    /// {original_column_name AS Symbol(original_column)} to allow renaming.
    ///
    /// If the columns are taken from a Join, they are written as just
    /// {original_column_name}, since there cannot be a name collision.
    ///
    /// We concatenate the columns from each of the inputs to the select statement.
    /// Since the inputs may be joins that are flattened, we need to recurse.
    /// The inputs are inferred from the symbols in FromExtents.
    /// </summary>
    /// <param name="selectStatement"></param>
    /// <returns></returns>
    List<Symbol> AddDefaultColumns(SqlSelectStatement selectStatement)
    {
      // This is the list of columns added in this select statement
      // This forms the "type" of the Select statement, if it has to
      // be expanded in another SELECT *
      List<Symbol> columnList = new List<Symbol>();

      // A lookup for the previous set of columns to aid column name
      // collision detection.
      Dictionary<string, Symbol> columnDictionary = new Dictionary<string, Symbol>(StringComparer.OrdinalIgnoreCase);

      string separator = "";
      // The Select should usually be empty before we are called,
      // but we do not mind if it is not.
      if (!selectStatement.Select.IsEmpty)
      {
        separator = ", ";
      }

      foreach (Symbol symbol in selectStatement.FromExtents)
      {
        AddColumns(selectStatement, symbol, columnList, columnDictionary, ref separator);
      }

      return columnList;
    }

    /// <summary>
    /// <see cref="AddFromSymbol(SqlSelectStatement, string, Symbol, bool)"/>
    /// </summary>
    /// <param name="selectStatement"></param>
    /// <param name="inputVarName"></param>
    /// <param name="fromSymbol"></param>
    void AddFromSymbol(SqlSelectStatement selectStatement, string inputVarName, Symbol fromSymbol)
    {
      AddFromSymbol(selectStatement, inputVarName, fromSymbol, true);
    }

    /// <summary>
    /// This method is called after the input to a relational node is visited.
    /// <see cref="Visit(DbProjectExpression)"/> and <see cref="ProcessJoinInputResult"/>
    /// There are 2 scenarios
    /// <list type="number">
    /// <item>The fromSymbol is new i.e. the select statement has just been
    /// created, or a join extent has been added.</item>
    /// <item>The fromSymbol is old i.e. we are reusing a select statement.</item>
    /// </list>
    ///
    /// If we are not reusing the select statement, we have to complete the
    /// FROM clause with the alias
    /// <code>
    /// -- if the input was an extent
    /// FROM = [SchemaName].[TableName]
    /// -- if the input was a Project
    /// FROM = (SELECT ... FROM ... WHERE ...)
    /// </code>
    ///
    /// These become
    /// <code>
    /// -- if the input was an extent
    /// FROM = [SchemaName].[TableName] AS alias
    /// -- if the input was a Project
    /// FROM = (SELECT ... FROM ... WHERE ...) AS alias
    /// </code>
    /// and look like valid FROM clauses.
    ///
    /// Finally, we have to add the alias to the global list of aliases used,
    /// and also to the current symbol table.
    /// </summary>
    /// <param name="selectStatement"></param>
    /// <param name="inputVarName">The alias to be used.</param>
    /// <param name="fromSymbol"></param>
    /// <param name="addToSymbolTable"></param>
    void AddFromSymbol(SqlSelectStatement selectStatement, string inputVarName, Symbol fromSymbol, bool addToSymbolTable)
    {
      return VisitList<DbAggregate>(new ListElementHandler<DbAggregate>(VisitAggregate), list);
    }

    private bool VisitBinaryExpression(DbBinaryExpression expr)
    {
      bool flag1 = VisitExpression(expr.Left);
      bool flag2 = VisitExpression(expr.Right);
      return (flag1 || flag2);
    }

    private bool VisitExpression(DbExpression expression)
    {
      if (expression == null)
      // the first check is true if this is a new statement
      // the second check is true if we are in a join - we do not
      // check if we are in a join context.
      // We do not want to add "AS alias" if it has been done already
      // e.g. when we are reusing the Sql statement.
      if (selectStatement.FromExtents.Count == 0 || fromSymbol != selectStatement.FromExtents[0])
      {
        selectStatement.FromExtents.Add(fromSymbol);
        selectStatement.From.Append(" AS ");
        selectStatement.From.Append(fromSymbol);

        // We have this inside the if statement, since
        // we only want to add extents that are actually used.
        allExtentNames[fromSymbol.Name] = 0;
      }

      if (addToSymbolTable)
      {
        symbolTable.Add(inputVarName, fromSymbol);
      }
    }

    /// <summary>
    /// Translates a list of SortClauses.
    /// Used in the translation of OrderBy 
    /// </summary>
    /// <param name="orderByClause">The SqlBuilder to which the sort keys should be appended</param>
    /// <param name="sortKeys"></param>
    void AddSortKeys(SqlBuilder orderByClause, IList<DbSortClause> sortKeys)
    {
      string separator = "";
      foreach (DbSortClause sortClause in sortKeys)
      {
        orderByClause.Append(separator);
        orderByClause.Append(sortClause.Expression.Accept(this));
        Debug.Assert(sortClause.Collation != null);
        if (!String.IsNullOrEmpty(sortClause.Collation))
        {
          orderByClause.Append(" COLLATE ");
          orderByClause.Append(sortClause.Collation);
        }

        orderByClause.Append(sortClause.Ascending ? " ASC" : " DESC");

        separator = ", ";
      }
    }

    /// <summary>
    /// <see cref="CreateNewSelectStatement(SqlSelectStatement oldStatement, string inputVarName, TypeUsage inputVarType, bool finalizeOldStatement, out Symbol fromSymbol) "/>
    /// </summary>
    /// <param name="oldStatement"></param>
    /// <param name="inputVarName"></param>
    /// <param name="inputVarType"></param>
    /// <param name="fromSymbol"></param>
    /// <returns>A new select statement, with the old one as the from clause.</returns>
    SqlSelectStatement CreateNewSelectStatement(SqlSelectStatement oldStatement,
        string inputVarName, TypeUsage inputVarType, out Symbol fromSymbol)
    {
      return CreateNewSelectStatement(oldStatement, inputVarName, inputVarType, true, out fromSymbol);
    }


    /// <summary>
    /// This is called after a relational node's input has been visited, and the
    /// input's sql statement cannot be reused.  <see cref="Visit(DbProjectExpression)"/>
    ///
    /// When the input's sql statement cannot be reused, we create a new sql
    /// statement, with the old one as the from clause of the new statement.
    ///
    /// The old statement must be completed i.e. if it has an empty select list,
    /// the list of columns must be projected out.
    ///
    /// If the old statement being completed has a join symbol as its from extent,
    /// the new statement must have a clone of the join symbol as its extent.
    /// We cannot reuse the old symbol, but the new select statement must behave
    /// as though it is working over the "join" record.
    /// </summary>
    /// <param name="oldStatement"></param>
    /// <param name="inputVarName"></param>
    /// <param name="inputVarType"></param>
    /// <param name="finalizeOldStatement"></param>
    /// <param name="fromSymbol"></param>
    /// <returns>A new select statement, with the old one as the from clause.</returns>
    SqlSelectStatement CreateNewSelectStatement(SqlSelectStatement oldStatement,
        string inputVarName, TypeUsage inputVarType, bool finalizeOldStatement, out Symbol fromSymbol)
    {
      fromSymbol = null;

      // Finalize the old statement
      if (finalizeOldStatement && oldStatement.Select.IsEmpty)
      {
        List<Symbol> columns = AddDefaultColumns(oldStatement);

        // Thid could not have been called from a join node.
        Debug.Assert(oldStatement.FromExtents.Count == 1);

        // if the oldStatement has a join as its input, ...
        // clone the join symbol, so that we "reuse" the
        // join symbol.  Normally, we create a new symbol - see the next block
        // of code.
        JoinSymbol oldJoinSymbol = oldStatement.FromExtents[0] as JoinSymbol;
        if (oldJoinSymbol != null)
        {
          // Note: oldStatement.FromExtents will not do, since it might
          // just be an alias of joinSymbol, and we want an actual JoinSymbol.
          JoinSymbol newJoinSymbol = new JoinSymbol(inputVarName, inputVarType, oldJoinSymbol.ExtentList);
          // This indicates that the oldStatement is a blocking scope
          // i.e. it hides/renames extent columns
          newJoinSymbol.IsNestedJoin = true;
          newJoinSymbol.ColumnList = columns;
          newJoinSymbol.FlattenedExtentList = oldJoinSymbol.FlattenedExtentList;

          fromSymbol = newJoinSymbol;
        }
      }

      if (fromSymbol == null)
      {
        // This is just a simple extent/SqlSelectStatement,
        // and we can get the column list from the type.
        fromSymbol = new Symbol(inputVarName, inputVarType);
      }

      // Observe that the following looks like the body of Visit(ExtentExpression).
      SqlSelectStatement selectStatement = new SqlSelectStatement();
      selectStatement.From.Append("( ");
      selectStatement.From.Append(oldStatement);
      selectStatement.From.AppendLine();
      selectStatement.From.Append(") ");


        return false;
      }
      return expression.Accept<bool>(this);
    }

    private bool VisitExpressionBinding(DbExpressionBinding expressionBinding)
    {
      return VisitExpression(expressionBinding.Expression);
    }
      return selectStatement;
    }


    /// <summary>
    /// Before we embed a string literal in a SQL string, we should
    /// convert all ' to '', and enclose the whole string in single quotes.
    /// </summary>
    /// <param name="s"></param>
    /// <param name="isUnicode"></param>
    /// <returns>The escaped sql string.</returns>
    private static string EscapeSingleQuote(string s, bool isUnicode)
    {
      return "'" + s.Replace("'", "''") + "'";
    }

    /// <summary>
    /// Returns the sql primitive/native type name. 
    /// It will include size, precision or scale depending on type information present in the 
    /// type facets
    /// </summary>
    /// <param name="type"></param>
    /// <returns></returns>
    private string GetSqlPrimitiveType(TypeUsage type)
    {
      PrimitiveType primitiveType = MetadataHelpers.GetEdmType<PrimitiveType>(type);

      string typeName = primitiveType.Name;
      bool isUnicode = true;
      bool isFixedLength = false;
      int maxLength = 0;
      string length = "max";
      bool preserveSeconds = true;
      byte decimalPrecision = 0;
      byte decimalScale = 0;

      switch (primitiveType.PrimitiveTypeKind)
      {
        case PrimitiveTypeKind.Binary:
          maxLength = MetadataHelpers.GetFacetValueOrDefault<int>(type, MetadataHelpers.MaxLengthFacetName, MetadataHelpers.BinaryMaxMaxLength);
          if (maxLength == MetadataHelpers.BinaryMaxMaxLength)
          {
            length = "max";
          }
          else
          {
            length = maxLength.ToString(CultureInfo.InvariantCulture);
          }
          isFixedLength = MetadataHelpers.GetFacetValueOrDefault<bool>(type, MetadataHelpers.FixedLengthFacetName, false);
          typeName = (isFixedLength ? "binary(" : "varbinary(") + length + ")";
          break;

        case PrimitiveTypeKind.String:
          // Question: How do we handle ntext?
          isUnicode = MetadataHelpers.GetFacetValueOrDefault<bool>(type, MetadataHelpers.UnicodeFacetName, true);
          isFixedLength = MetadataHelpers.GetFacetValueOrDefault<bool>(type, MetadataHelpers.FixedLengthFacetName, false);
          maxLength = MetadataHelpers.GetFacetValueOrDefault<int>(type, MetadataHelpers.MaxLengthFacetName, Int32.MinValue);
          if (maxLength == Int32.MinValue)
          {
            length = "max";
          }
          else
          {
            length = maxLength.ToString(CultureInfo.InvariantCulture);
          }
          if (isUnicode && !isFixedLength && maxLength > 4000)
            length = "max";
          if (!isUnicode && !isFixedLength && maxLength > 8000)
            length = "max";
          if (isFixedLength)
          {
            typeName = (isUnicode ? "nchar(" : "char(") + length + ")";
          }
          else
          {
            typeName = (isUnicode ? "nvarchar(" : "varchar(") + length + ")";
          }
          break;

        case PrimitiveTypeKind.DateTime:
          preserveSeconds = MetadataHelpers.GetFacetValueOrDefault<bool>(type, MetadataHelpers.PreserveSecondsFacetName, false);
          typeName = preserveSeconds ? "datetime" : "smalldatetime";
          break;

        case PrimitiveTypeKind.Decimal:
          decimalPrecision = MetadataHelpers.GetFacetValueOrDefault<byte>(type, MetadataHelpers.PrecisionFacetName, 18);
          Debug.Assert(decimalPrecision > 0, "decimal precision must be greater than zero");
          decimalScale = MetadataHelpers.GetFacetValueOrDefault<byte>(type, MetadataHelpers.ScaleFacetName, 0);
          Debug.Assert(decimalPrecision >= decimalScale, "decimalPrecision must be greater or equal to decimalScale");
          Debug.Assert(decimalPrecision <= 53, "decimalPrecision must be less than or equal to 53");
          typeName = typeName + "(" + decimalPrecision + "," + decimalScale + ")";
          break;

        case PrimitiveTypeKind.Int32:
          typeName = "int";
          break;

        case PrimitiveTypeKind.Int64:
          typeName = "bigint";
          break;

        case PrimitiveTypeKind.Int16:
          typeName = "smallint";
          break;

        case PrimitiveTypeKind.Byte:
          typeName = "tinyint";
          break;

        case PrimitiveTypeKind.Boolean:
          typeName = "bit";
          break;

        case PrimitiveTypeKind.Single:
          typeName = "real";
          break;

        case PrimitiveTypeKind.Double:
          typeName = "float";
          break;

        case PrimitiveTypeKind.Guid:
          typeName = "uniqueidentifier";
          break;

        default:
          throw new NotSupportedException("Unsupported EdmType: " + primitiveType.PrimitiveTypeKind);
      }
    private bool VisitExpressionBindingList(IList<DbExpressionBinding> list)
    {
      return VisitList<DbExpressionBinding>(new ListElementHandler<DbExpressionBinding>(VisitExpressionBinding), list);
    }

    private bool VisitExpressionList(IList<DbExpression> list)
    {
      return VisitList<DbExpression>(new ListElementHandler<DbExpression>(VisitExpression), list);

      return typeName;
    }

    /// <summary>
    /// Handles the expression represending DbLimitExpression.Limit and DbSkipExpression.Count.
    /// If it is a constant expression, it simply does to string thus avoiding casting it to the specific value
    /// (which would be done if <see cref="Visit(DbConstantExpression)"/> is called)
    /// </summary>
    /// <param name="e"></param>
    /// <returns></returns>
    private ISqlFragment HandleCountExpression(DbExpression e)
    {
      ISqlFragment result;

      if (e.ExpressionKind == DbExpressionKind.Constant)
      {
        //For constant expression we should not cast the value, 
        // thus we don't go throught the default DbConstantExpression handling
        SqlBuilder sqlBuilder = new SqlBuilder();
        sqlBuilder.Append(((DbConstantExpression)e).Value.ToString());
        result = sqlBuilder;
      }
      else
      {
        result = e.Accept(this);
      }

      return result;
    }

    /// <summary>
    /// This is used to determine if a particular expression is an Apply operation.
    /// This is only the case when the DbExpressionKind is CrossApply or OuterApply.
    /// </summary>
    /// <param name="e"></param>
    /// <returns></returns>
    bool IsApplyExpression(DbExpression e)
    {
      return (DbExpressionKind.CrossApply == e.ExpressionKind || DbExpressionKind.OuterApply == e.ExpressionKind);
    }

    /// <summary>
    /// This is used to determine if a particular expression is a Join operation.
    /// This is true for DbCrossJoinExpression and DbJoinExpression, the
    /// latter of which may have one of several different ExpressionKinds.
    /// </summary>
    /// <param name="e"></param>
    /// <returns></returns>
    bool IsJoinExpression(DbExpression e)
    {
      return (DbExpressionKind.CrossJoin == e.ExpressionKind ||
              DbExpressionKind.FullOuterJoin == e.ExpressionKind ||
              DbExpressionKind.InnerJoin == e.ExpressionKind ||
              DbExpressionKind.LeftOuterJoin == e.ExpressionKind);
    }

    /// <summary>
    /// This is used to determine if a calling expression needs to place
    /// round brackets around the translation of the expression e.
    ///
    /// Constants, parameters and properties do not require brackets,
    /// everything else does.
    /// </summary>
    /// <param name="e"></param>
    /// <returns>true, if the expression needs brackets </returns>
    bool IsComplexExpression(DbExpression e)
    {
      switch (e.ExpressionKind)
      {
        case DbExpressionKind.Constant:
        case DbExpressionKind.ParameterReference:
        case DbExpressionKind.Property:
          return false;

        default:
          return true;
      }
    }

    /// <summary>
    /// Determine if the owner expression can add its unique sql to the input's
    /// SqlSelectStatement
    /// </summary>
    /// <param name="result">The SqlSelectStatement of the input to the relational node.</param>
    /// <param name="expressionKind">The kind of the expression node(not the input's)</param>
    /// <returns></returns>
    bool IsCompatible(SqlSelectStatement result, DbExpressionKind expressionKind)
    {
      switch (expressionKind)
      {
        case DbExpressionKind.Distinct:
          return result.Top == null
            // The projection after distinct may not project all 
            // columns used in the Order By
              && result.OrderBy.IsEmpty;

        case DbExpressionKind.Filter:
          return result.Select.IsEmpty
                  && result.Where.IsEmpty
                  && result.GroupBy.IsEmpty
                  && result.Top == null;

        case DbExpressionKind.GroupBy:
          return result.Select.IsEmpty
                  && result.GroupBy.IsEmpty
                  && result.OrderBy.IsEmpty
                  && result.Top == null;

        case DbExpressionKind.Limit:
        case DbExpressionKind.Element:
          return result.Top == null;

        case DbExpressionKind.Project:
          return result.Select.IsEmpty
                  && result.GroupBy.IsEmpty;

        case DbExpressionKind.Skip:
          return result.Select.IsEmpty
                  && result.GroupBy.IsEmpty
                  && result.OrderBy.IsEmpty
                  && !result.IsDistinct;
    private static bool VisitList<TElementType>(ListElementHandler<TElementType> handler, IList<TElementType> list)
    {
      bool flag = false;
      foreach (TElementType local in list)
      {

        case DbExpressionKind.Sort:
          return result.Select.IsEmpty
                  && result.GroupBy.IsEmpty
                  && result.OrderBy.IsEmpty;

        default:
          Debug.Assert(false);
          throw new InvalidOperationException();
      }

    }

    /// <summary>
    /// We use the normal box quotes for SQL server.  We do not deal with ANSI quotes
    /// i.e. double quotes.
    /// </summary>
    /// <param name="name"></param>
    /// <returns></returns>
    internal static string QuoteIdentifier(string name)
    {
        bool flag2 = handler(local);
        flag = flag || flag2;
      }
      return flag;
      Debug.Assert(!String.IsNullOrEmpty(name));
      // We assume that the names are not quoted to begin with.
      return "[" + name.Replace("]", "]]") + "]";
    }

    /// <summary>
    /// Simply calls <see cref="VisitExpressionEnsureSqlStatement(DbExpression, bool)"/>
    /// with addDefaultColumns set to true
    /// </summary>
    /// <param name="e"></param>
    /// <returns></returns>
    SqlSelectStatement VisitExpressionEnsureSqlStatement(DbExpression e)
    {
      return VisitExpressionEnsureSqlStatement(e, true);
    }

    /// <summary>
    /// This is called from <see cref="GenerateSql(DbQueryCommandTree)"/> and nodes which require a
    /// select statement as an argument e.g. <see cref="Visit(DbIsEmptyExpression)"/>,
    /// <see cref="Visit(DbUnionAllExpression)"/>.
    ///
    /// SqlGenerator needs its child to have a proper alias if the child is
    /// just an extent or a join.
    ///
    /// The normal relational nodes result in complete valid SQL statements.
    /// For the rest, we need to treat them as there was a dummy
    /// <code>
    /// -- originally {expression}
    /// -- change that to
    /// SELECT *
    /// FROM {expression} as c
    /// </code>
    /// 
    /// DbLimitExpression needs to start the statement but not add the default columns
    /// </summary>
    /// <param name="e"></param>
    /// <param name="addDefaultColumns"></param>
    /// <returns></returns>
    SqlSelectStatement VisitExpressionEnsureSqlStatement(DbExpression e, bool addDefaultColumns)

    private bool VisitSortClause(DbSortClause sortClause)
    {
      return VisitExpression(sortClause.Expression);
    }

    private bool VisitSortClauseList(IList<DbSortClause> list)
    {
      return VisitList<DbSortClause>(new ListElementHandler<DbSortClause>(VisitSortClause), list);
    {
      Debug.Assert(MetadataHelpers.IsCollectionType(e.ResultType));

      SqlSelectStatement result;
      switch (e.ExpressionKind)
      {
        case DbExpressionKind.Project:
        case DbExpressionKind.Filter:
        case DbExpressionKind.GroupBy:
        case DbExpressionKind.Sort:
          result = e.Accept(this) as SqlSelectStatement;
          break;

        default:
          Symbol fromSymbol;
          string inputVarName = "c";  // any name will do - this is my random choice.
          symbolTable.EnterScope();

          TypeUsage type = null;
          switch (e.ExpressionKind)
          {
            case DbExpressionKind.Scan:
            case DbExpressionKind.CrossJoin:
            case DbExpressionKind.FullOuterJoin:
            case DbExpressionKind.InnerJoin:
            case DbExpressionKind.LeftOuterJoin:
            case DbExpressionKind.CrossApply:
            case DbExpressionKind.OuterApply:
              type = MetadataHelpers.GetElementTypeUsage(e.ResultType);
              break;

            default:
              Debug.Assert(MetadataHelpers.IsCollectionType(e.ResultType));
              type = MetadataHelpers.GetEdmType<CollectionType>(e.ResultType).TypeUsage;
              break;
          }

          result = VisitInputExpression(e, inputVarName, type, out fromSymbol);
          AddFromSymbol(result, inputVarName, fromSymbol);
          symbolTable.ExitScope();
          break;
      }

      if (addDefaultColumns && result.Select.IsEmpty)
      {
        AddDefaultColumns(result);
      }

      return result;
    }

    /// <summary>
    /// This method is called by <see cref="Visit(DbFilterExpression)"/> and
    /// <see cref="Visit(DbQuantifierExpression)"/>
    ///
    /// </summary>
    /// <param name="input"></param>
    /// <param name="predicate"></param>
    /// <param name="negatePredicate">This is passed from <see cref="Visit(DbQuantifierExpression)"/>
    /// in the All(...) case.</param>
    /// <returns></returns>
    SqlSelectStatement VisitFilterExpression(DbExpressionBinding input, DbExpression predicate, bool negatePredicate)
    {
      Symbol fromSymbol;
      SqlSelectStatement result = VisitInputExpression(input.Expression,
          input.VariableName, input.VariableType, out fromSymbol);

      // Filter is compatible with OrderBy
      // but not with Project, another Filter or GroupBy
      if (!IsCompatible(result, DbExpressionKind.Filter))
      {
        result = CreateNewSelectStatement(result, input.VariableName, input.VariableType, out fromSymbol);
      }

      selectStatementStack.Push(result);
      symbolTable.EnterScope();

      AddFromSymbol(result, input.VariableName, fromSymbol);

      if (negatePredicate)
      {
        result.Where.Append("NOT (");
      }
      result.Where.Append(predicate.Accept(this));
      if (negatePredicate)
      {
        result.Where.Append(")");
      }

      symbolTable.ExitScope();
      selectStatementStack.Pop();

      return result;
    }

    /// <summary>
    /// If the sql fragment for an input expression is not a SqlSelect statement
    /// or other acceptable form (e.g. an extent as a SqlBuilder), we need
    /// to wrap it in a form acceptable in a FROM clause.  These are
    /// primarily the
    /// <list type="bullet">
    /// <item>The set operation expressions - union all, intersect, except</item>
    /// <item>TVFs, which are conceptually similar to tables</item>
    /// </list>
    /// </summary>
    /// <param name="result"></param>
    /// <param name="sqlFragment"></param>
    /// <param name="expressionKind"></param>
    void WrapNonQueryExtent(SqlSelectStatement result, ISqlFragment sqlFragment, DbExpressionKind expressionKind)
    {
      switch (expressionKind)
      {
        case DbExpressionKind.Function:
          // TVF
          result.From.Append(sqlFragment);
          break;

        default:
          result.From.Append(" (");
          result.From.Append(sqlFragment);
          result.From.Append(")");
          break;
      }
    }
    private bool VisitUnaryExpression(DbUnaryExpression expr)

    /// <summary>
    /// Is this a builtin function (ie) does it have the builtinAttribute specified?
    /// </summary>
    /// <param name="function"></param>
    /// <returns></returns>
    private static bool IsBuiltinFunction(EdmFunction function)
    {
      return MetadataHelpers.TryGetValueForMetadataProperty<bool>(function, "BuiltInAttribute");
    }

    /// <summary>
    ///
    /// </summary>
    /// <param name="function"></param>
    /// <param name="result"></param>
    void WriteFunctionName(SqlBuilder result, EdmFunction function)
    {
      string storeFunctionName = MetadataHelpers.TryGetValueForMetadataProperty<string>(function, "StoreFunctionNameAttribute");

      if (string.IsNullOrEmpty(storeFunctionName))
      {
        storeFunctionName = function.Name;
      }

      // If the function is a builtin (ie) the BuiltIn attribute has been
      // specified, then, the function name should not be quoted; additionally,
      // no namespace should be used.
      if (IsBuiltinFunction(function))
      {
        if (function.NamespaceName == "Edm")
        {
          switch (storeFunctionName.ToUpperInvariant())
          {
            default:
              result.Append(storeFunctionName);
              break;
          }

        }
        else
        {
          result.Append(storeFunctionName);
        }

      }
      else
      {
        // Should we actually support this?
        result.Append(QuoteIdentifier((string)function.MetadataProperties["Schema"].Value ?? "dbo"));
        result.Append(".");
        result.Append(QuoteIdentifier(storeFunctionName));
      }
    }

    static string ByteArrayToBinaryString(Byte[] binaryArray)
    {
      StringBuilder sb = new StringBuilder(binaryArray.Length * 2);
      for (int i = 0; i < binaryArray.Length; i++)
      {
        sb.Append(hexDigits[(binaryArray[i] & 0xF0) >> 4]).Append(hexDigits[binaryArray[i] & 0x0F]);
      }
      return sb.ToString();
    }

    /// <summary>
    /// Helper method for the Group By visitor
    /// Returns true if at least one of the aggregates in the given list
    /// has an argument that is not a <see cref="DbPropertyExpression"/> 
    /// over <see cref="DbVariableReferenceExpression"/>
    /// </summary>
    /// <param name="aggregates"></param>
    /// <returns></returns>
    static bool NeedsInnerQuery(IList<DbAggregate> aggregates)
    {
      foreach (DbAggregate aggregate in aggregates)
      {
        Debug.Assert(aggregate.Arguments.Count == 1);
        if (!IsPropertyOverVarRef(aggregate.Arguments[0]))
        {
      return VisitExpression(expr.Argument);
    }

    private delegate bool ListElementHandler<TElementType>(TElementType element);
  }
}
          return true;
        }
      }
      return false;
    }

    /// <summary>
    /// Determines whether the given expression is a <see cref="DbPropertyExpression"/> 
    /// over <see cref="DbVariableReferenceExpression"/>
    /// </summary>
    /// <param name="expression"></param>
    /// <returns></returns>
    static bool IsPropertyOverVarRef(DbExpression expression)
    {
      DbPropertyExpression propertyExpression = expression as DbPropertyExpression;
      if (propertyExpression == null)
      {
        return false;
      }
      DbVariableReferenceExpression varRefExpression = propertyExpression.Instance as DbVariableReferenceExpression;
      if (varRefExpression == null)
      {
        return false;
      }
      return true;
    }

    #endregion
  }

}
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/********************************************************
 * ADO.NET 2.0 Data Provider for SQLite Version 3.X
 * Written by Robert Simpson (robert@blackcastlesoft.com)
//---------------------------------------------------------------------
// <copyright file="SampleProviderManifest.cs" company="Microsoft">
//      Copyright (c) Microsoft Corporation.  All rights reserved.
 * 
 * Released to the public domain, use at your own risk!
 ********************************************************/

// </copyright>
namespace System.Data.SQLite
{
  using System;
  using System.Data;
  using System.Reflection;
  using System.IO;
  using System.Xml;
  using System.Collections.Generic;
  using System.Collections.ObjectModel;
  using System.Data.EntityModel.SchemaObjectModel;
  using System.Data.EntityModel;
  using System.Data.Common;
  using System.Data.Entity;
  using System.Data.Metadata.Edm;
//---------------------------------------------------------------------

using System.Collections.Generic;
using System.Xml;
using System.Collections.ObjectModel;
using System.Data.EntityModel.SchemaObjectModel;
using System.Data.EntityModel;
using System.Data.Common;
using System.Diagnostics;
using System.Data.Entity;
using System.Data.Metadata.Edm;
using System;
using System.Data;
using System.Reflection;
using System.IO;

namespace System.Data.SQLite
{
  /// <summary>
  /// The Provider Manifest for SQL Server
  /// </summary>
  internal class SQLiteProviderManifest : DbXmlEnabledProviderManifest
  {
    #region Private Fields

    /// <summary>
    /// maximum size of sql server unicode 
    /// </summary>
    private const int varcharMaxSize = Int32.MaxValue;
    private const int nvarcharMaxSize = Int32.MaxValue;
    private const int binaryMaxSize = Int32.MaxValue;
    internal SQLiteDateFormats _dateFormat;

    private System.Collections.ObjectModel.ReadOnlyCollection<PrimitiveType> _primitiveTypes = null;
    private System.Collections.ObjectModel.ReadOnlyCollection<EdmFunction> _functions = null;

    #endregion

    #region Constructors

    /// <summary>
    /// Constructs the provider manifest.
    /// Constructor
    /// </summary>
    /// <remarks>
    /// We pass the token as a DateTimeFormat enum text, because all the datetime functions
    /// are vastly different depending on how the user is opening the connection
    /// </remarks>
    /// <param name="manifestToken">A token used to infer the capabilities of the store</param>
    public SQLiteProviderManifest(string manifestToken)
      : base(SQLiteProviderManifest.GetProviderManifest())
    {
      _dateFormat = (SQLiteDateFormats)Enum.Parse(typeof(SQLiteDateFormats), manifestToken, true);
    }

    #endregion

    internal static XmlReader GetProviderManifest()
    {
      return GetXmlResource("System.Data.SQLite.Resources.SQLiteProviderServices.ProviderManifest.xml");
    }

    /// <summary>
    /// Returns manifest information for the provider
    /// Providers should override this to return information specific to their provider.  
    /// 
    /// This method should never return null.
    /// </summary>
    /// <param name="informationType">The name of the information to be retrieved.</param>
    /// <returns>An XmlReader at the begining of the information requested.</returns>
    protected override XmlReader GetDbInformation(string informationType)
    {
      if (informationType == DbProviderManifest.StoreSchemaDefinition)
      {
        return GetStoreSchemaDescription();
      }

      else if (informationType == DbProviderManifest.StoreSchemaMapping)
      if (informationType == DbProviderManifest.StoreSchemaMapping)
      {
        return GetStoreSchemaMapping();
      }
      else if (informationType == DbProviderManifest.ConceptualSchemaDefinition)
        return null;

      throw new ProviderIncompatibleException(String.Format("SQLite does not support this information type '{0}'.", informationType));

      throw new ProviderIncompatibleException(String.Format("The provider returned null for the informationType '{0}'.", informationType));
    }

    public override System.Collections.ObjectModel.ReadOnlyCollection<PrimitiveType> GetStoreTypes()
    {
      if (_primitiveTypes == null)
      {
        List<PrimitiveType> primitiveTypes = new List<PrimitiveType>(base.GetStoreTypes());
        PrimitiveType newt;

        newt = PrimitiveType.GetEdmPrimitiveType(PrimitiveTypeKind.Int64);

        _primitiveTypes = primitiveTypes.AsReadOnly();
      }
      return _primitiveTypes;
    }

    public override System.Collections.ObjectModel.ReadOnlyCollection<EdmFunction> GetStoreFunctions()
    {
      if (this._functions == null)
      {
        this._functions = base.GetStoreFunctions();
      }
      return this._functions;
    }

    /// <summary>
    /// This method takes a type and a set of facets and returns the best mapped equivalent type 
    /// in EDM.
    /// </summary>
    /// <param name="storeType">A TypeUsage encapsulating a store type and a set of facets</param>
    /// <returns>A TypeUsage encapsulating an EDM type and a set of facets</returns>
    public override TypeUsage GetEdmType(TypeUsage storeType)
    {
      if (storeType == null)
      {
        throw new ArgumentNullException("storeType");
      }

      string storeTypeName = storeType.EdmType.Name.ToLowerInvariant();
      //if (!base.StoreTypeNameToEdmPrimitiveType.ContainsKey(storeTypeName))
      if (!base.StoreTypeNameToEdmPrimitiveType.ContainsKey(storeTypeName))
      //{
      //  switch (storeTypeName)
      {
        switch (storeTypeName)
      //  {
      //    case "integer":
      //      return TypeUsage.CreateDefaultTypeUsage(PrimitiveType.GetEdmPrimitiveType(PrimitiveTypeKind.Int64));
      //    default:
      //      throw new ArgumentException(String.Format("SQLite does not support the type '{0}'.", storeTypeName));
        {
          case "integer":
            return TypeUsage.CreateDefaultTypeUsage(PrimitiveType.GetEdmPrimitiveType(PrimitiveTypeKind.Int64));
          default:
            throw new ArgumentException(String.Format("The underlying provider does not support the type '{0}'.", storeTypeName));
      //  }
      //}

        }
      PrimitiveType edmPrimitiveType;
      
      if (base.StoreTypeNameToEdmPrimitiveType.TryGetValue(storeTypeName, out edmPrimitiveType) == false)
        throw new ArgumentException(String.Format("SQLite does not support the type '{0}'.", storeTypeName));
      }

      PrimitiveType edmPrimitiveType = base.StoreTypeNameToEdmPrimitiveType[storeTypeName];

      int maxLength = 0;
      bool isUnicode = true;
      bool isFixedLen = false;
      bool isUnbounded = true;

      PrimitiveTypeKind newPrimitiveTypeKind;

      switch (storeTypeName)
      {
        // for some types we just go with simple type usage with no facets
        case "tinyint":
        case "smallint":
        case "integer":
        case "bit":
        case "uniqueidentifier":
        case "int":
        case "float":
        case "real":
          return TypeUsage.CreateDefaultTypeUsage(edmPrimitiveType);

        case "varchar":
          newPrimitiveTypeKind = PrimitiveTypeKind.String;
          isUnbounded = !TypeHelpers.TryGetMaxLength(storeType, out maxLength);
          isUnicode = false;
          isFixedLen = false;
          break;

        case "char":
          newPrimitiveTypeKind = PrimitiveTypeKind.String;
          isUnbounded = !TypeHelpers.TryGetMaxLength(storeType, out maxLength);
          isUnicode = false;
          isFixedLen = true;
          break;

        case "nvarchar":
          newPrimitiveTypeKind = PrimitiveTypeKind.String;
          isUnbounded = !TypeHelpers.TryGetMaxLength(storeType, out maxLength);
          isUnicode = true;
          isFixedLen = false;
          break;

        case "nchar":
          newPrimitiveTypeKind = PrimitiveTypeKind.String;
          isUnbounded = !TypeHelpers.TryGetMaxLength(storeType, out maxLength);
          isUnicode = true;
          isFixedLen = true;
          break;

        case "blob":
          newPrimitiveTypeKind = PrimitiveTypeKind.Binary;
          isUnbounded = !TypeHelpers.TryGetMaxLength(storeType, out maxLength);
          isFixedLen = false;
          break;

        case "float":
        case "real":
          return TypeUsage.CreateDefaultTypeUsage(edmPrimitiveType);

        case "decimal":
          {
            byte precision;
            byte scale;
            if (TypeHelpers.TryGetPrecision(storeType, out precision) && TypeHelpers.TryGetScale(storeType, out scale))
            {
              return TypeUsage.CreateDecimalTypeUsage(edmPrimitiveType, precision, scale);
            }
            else
            {
              return TypeUsage.CreateDecimalTypeUsage(edmPrimitiveType);
            }
          }

        case "datetime":
          return TypeUsage.CreateDateTimeTypeUsage(edmPrimitiveType, null);

        default:
          throw new NotSupportedException(String.Format("SQLite does not support the type '{0}'.", storeTypeName));
          throw new NotSupportedException(String.Format("The underlying provider does not support the type '{0}'.", storeTypeName));
      }

      Debug.Assert(newPrimitiveTypeKind == PrimitiveTypeKind.String || newPrimitiveTypeKind == PrimitiveTypeKind.Binary, "at this point only string and binary types should be present");

      switch (newPrimitiveTypeKind)
      {
        case PrimitiveTypeKind.String:
          if (!isUnbounded)
          {
            return TypeUsage.CreateStringTypeUsage(edmPrimitiveType, isUnicode, isFixedLen, maxLength);
︙
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            return TypeUsage.CreateBinaryTypeUsage(edmPrimitiveType, isFixedLen, maxLength);
          }
          else
          {
            return TypeUsage.CreateBinaryTypeUsage(edmPrimitiveType, isFixedLen);
          }
        default:
          throw new NotSupportedException(String.Format("SQLite does not support the type '{0}'.", storeTypeName));
          throw new NotSupportedException(String.Format("The underlying provider does not support the type '{0}'.", storeTypeName));
      }
    }

    /// <summary>
    /// This method takes a type and a set of facets and returns the best mapped equivalent type 
    /// in SQL Server, taking the store version into consideration.
    /// </summary>
    /// <param name="storeType">A TypeUsage encapsulating an EDM type and a set of facets</param>
    /// <returns>A TypeUsage encapsulating a store type and a set of facets</returns>
    public override TypeUsage GetStoreType(TypeUsage edmType)
    {
      if (edmType == null)
      {
        throw new ArgumentNullException("edmType");
      }
      System.Diagnostics.Debug.Assert(edmType.EdmType.BuiltInTypeKind == BuiltInTypeKind.PrimitiveType);

      PrimitiveType primitiveType = edmType.EdmType as PrimitiveType;
      if (primitiveType == null)
      {
        throw new ArgumentException(String.Format("SQLite does not support the type '{0}'.", edmType));
        throw new ArgumentException(String.Format("The underlying provider does not support the type '{0}'.", edmType));
      }

      ReadOnlyMetadataCollection<Facet> facets = edmType.Facets;

      switch (primitiveType.PrimitiveTypeKind)
      {
        case PrimitiveTypeKind.Boolean:
          return TypeUsage.CreateDefaultTypeUsage(StoreTypeNameToStorePrimitiveType["bit"]);

        case PrimitiveTypeKind.Byte:
          return TypeUsage.CreateDefaultTypeUsage(StoreTypeNameToStorePrimitiveType["tinyint"]);

        case PrimitiveTypeKind.Int16:
          return TypeUsage.CreateDefaultTypeUsage(StoreTypeNameToStorePrimitiveType["smallint"]);

        case PrimitiveTypeKind.Int32:
          return TypeUsage.CreateDefaultTypeUsage(StoreTypeNameToStorePrimitiveType["int"]);

        case PrimitiveTypeKind.Int64:
          return TypeUsage.CreateDefaultTypeUsage(StoreTypeNameToStorePrimitiveType["integer"]);

        case PrimitiveTypeKind.Guid:
          return TypeUsage.CreateDefaultTypeUsage(StoreTypeNameToStorePrimitiveType["uniqueidentifier"]);

        case PrimitiveTypeKind.Double:
          return TypeUsage.CreateDefaultTypeUsage(StoreTypeNameToStorePrimitiveType["float"]);

        case PrimitiveTypeKind.Single:
          return TypeUsage.CreateDefaultTypeUsage(StoreTypeNameToStorePrimitiveType["real"]);

        case PrimitiveTypeKind.Decimal: // decimal, numeric, smallmoney, money
          {
            byte precision;
            if (!TypeHelpers.TryGetPrecision(edmType, out precision))
            {
              precision = 18;
            }

            byte scale;
            if (!TypeHelpers.TryGetScale(edmType, out scale))
            {
              scale = 0;
            }

            return TypeUsage.CreateDecimalTypeUsage(StoreTypeNameToStorePrimitiveType["decimal"], precision, scale);
            return TypeUsage.CreateDecimalTypeUsage(StoreTypeNameToStorePrimitiveType["extDecimal"], precision, scale);
          }

        case PrimitiveTypeKind.Binary: // binary, varbinary, varbinary(max), image, timestamp, rowversion
          {
            bool isFixedLength = null != facets["FixedLength"].Value && (bool)facets["FixedLength"].Value;
            Facet f = facets["MaxLength"];

            bool isMaxLength = f.IsUnbounded || null == f.Value || (int)f.Value > Int32.MaxValue;
            bool isMaxLength = f.IsUnbounded || null == f.Value || (int)f.Value > binaryMaxSize;
            int maxLength = !isMaxLength ? (int)f.Value : Int32.MinValue;

            TypeUsage tu;
            if (isFixedLength)
            {
              tu = TypeUsage.CreateBinaryTypeUsage(StoreTypeNameToStorePrimitiveType["blob"], true, maxLength);
              tu = TypeUsage.CreateBinaryTypeUsage(StoreTypeNameToStorePrimitiveType["binary"], true, maxLength);
            }
            else
            {
              if (isMaxLength)
              {
                tu = TypeUsage.CreateBinaryTypeUsage(StoreTypeNameToStorePrimitiveType["blob"], false);
                System.Diagnostics.Debug.Assert(tu.Facets["MaxLength"].Description.IsConstant, "varbinary(max) is not constant!");
              }
              else
              {
                tu = TypeUsage.CreateBinaryTypeUsage(StoreTypeNameToStorePrimitiveType["blob"], false, maxLength);
              }
            }
            return tu;
          }

        case PrimitiveTypeKind.String:
        case PrimitiveTypeKind.String: // char, nchar, varchar, nvarchar, varchar(max), nvarchar(max), ntext, text
          // char, nchar, varchar, nvarchar, varchar(max), nvarchar(max), ntext, text, xml
          {
            bool isUnicode = null == facets["Unicode"].Value || (bool)facets["Unicode"].Value;
            bool isFixedLength = null != facets["FixedLength"].Value && (bool)facets["FixedLength"].Value;
            Facet f = facets["MaxLength"];
            // maxlen is true if facet value is unbounded, the value is bigger than the limited string sizes *or* the facet
            // value is null. this is needed since functions still have maxlength facet value as null
            bool isMaxLength = f.IsUnbounded || null == f.Value || (int)f.Value > (isUnicode ? Int32.MaxValue : Int32.MaxValue);
            bool isMaxLength = f.IsUnbounded || null == f.Value || (int)f.Value > (isUnicode ? nvarcharMaxSize : varcharMaxSize);
            int maxLength = !isMaxLength ? (int)f.Value : Int32.MinValue;

            TypeUsage tu;

            if (isUnicode)
            {
              if (isFixedLength)
              {
                tu = TypeUsage.CreateStringTypeUsage(StoreTypeNameToStorePrimitiveType["nchar"], true, true, maxLength);
              }
              else
              {
                if (isMaxLength)
                {
                  tu = TypeUsage.CreateStringTypeUsage(StoreTypeNameToStorePrimitiveType["nvarchar"], true, false);
                }
                else
                {
                  tu = TypeUsage.CreateStringTypeUsage(StoreTypeNameToStorePrimitiveType["nvarchar"], true, false, maxLength);
                }
              }
            }
            else
            {
              if (isFixedLength)
              {
                tu = TypeUsage.CreateStringTypeUsage(StoreTypeNameToStorePrimitiveType["char"], false, true, maxLength);
              }
              else
              {
                if (isMaxLength)
                {
                  tu = TypeUsage.CreateStringTypeUsage(StoreTypeNameToStorePrimitiveType["varchar"], false, false);
                }
                else
                {
                  tu = TypeUsage.CreateStringTypeUsage(StoreTypeNameToStorePrimitiveType["varchar"], false, false, maxLength);
                }
              }
            }
            return tu;
          }

        case PrimitiveTypeKind.DateTime: // datetime, smalldatetime
          return TypeUsage.CreateDefaultTypeUsage(StoreTypeNameToStorePrimitiveType["datetime"]);

          Facet preserveSecondsFacet;
          bool preserveSeconds;
          if (edmType.Facets.TryGetValue("PreserveSeconds", true, out preserveSecondsFacet) && null != preserveSecondsFacet.Value)
          {
            preserveSeconds = (bool)preserveSecondsFacet.Value;
          }
          else
          {
            preserveSeconds = true;
          }

          return TypeUsage.CreateDefaultTypeUsage(preserveSeconds ? StoreTypeNameToStorePrimitiveType["datetime"] : StoreTypeNameToStorePrimitiveType["smalldatetime"]);

        default:
          throw new NotSupportedException(String.Format("There is no store type corresponding to the EDM type '{0}' of primitive type '{1}'.", edmType, primitiveType.PrimitiveTypeKind));
      }
    }

    private XmlReader GetStoreSchemaMapping()
    {
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    internal static XmlReader GetXmlResource(string resourceName)
    {
      Assembly executingAssembly = Assembly.GetExecutingAssembly();
      Stream stream = executingAssembly.GetManifestResourceStream(resourceName);
      return XmlReader.Create(stream);
    }

    private static class TypeHelpers
    class TypeHelpers
    {
      public static bool TryGetPrecision(TypeUsage tu, out byte precision)
      {
        Facet f;

        precision = 0;
        if (tu.Facets.TryGetValue("Precision", false, out f))
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/********************************************************
 * ADO.NET 2.0 Data Provider for SQLite Version 3.X
 * Written by Robert Simpson (robert@blackcastlesoft.com)
 * 
 * Released to the public domain, use at your own risk!
 ********************************************************/

namespace System.Data.SQLite
{
  using System;
  using System.Data.Common;
  using System.Data.Common.CommandTrees;
  using System.Data.Metadata.Edm;
  using System.Diagnostics;
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    private static DbType GetSqlDbType(TypeUsage type, bool isOutParam, out int? size)
    {
      // only supported for primitive type
      PrimitiveTypeKind primitiveTypeKind = MetadataHelpers.GetPrimitiveTypeKind(type);

      size = default(int?);


      // TODO add logic for Xml here
      switch (primitiveTypeKind)
      {
        case PrimitiveTypeKind.Binary:
          // for output parameters, ensure there is space...
          size = GetParameterSize(type, isOutParam);
          return GetBinaryDbType(type);
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    /// </summary>
    private static DbType GetStringDbType(TypeUsage type)
    {
      Debug.Assert(type.EdmType.BuiltInTypeKind == BuiltInTypeKind.PrimitiveType &&
        PrimitiveTypeKind.String == ((PrimitiveType)type.EdmType).PrimitiveTypeKind, "only valid for string type");

      DbType dbType;
      if (type.EdmType.Name.ToLowerInvariant() == "xml")

      // Specific type depends on whether the string is a unicode string and whether it is a fixed length string.
      // By default, assume widest type (unicode) and most common type (variable length)
      bool unicode;
      bool fixedLength;
      if (!MetadataHelpers.TryGetIsFixedLength(type, out fixedLength))
      {
        fixedLength = false;
      }
      {
        dbType = DbType.Xml;
      }
      else
      {
        // Specific type depends on whether the string is a unicode string and whether it is a fixed length string.
        // By default, assume widest type (unicode) and most common type (variable length)
        bool unicode;
        bool fixedLength;
        if (!MetadataHelpers.TryGetIsFixedLength(type, out fixedLength))
        {
          fixedLength = false;
        }

      if (!MetadataHelpers.TryGetIsUnicode(type, out unicode))
      {
        unicode = true;
      }
        if (!MetadataHelpers.TryGetIsUnicode(type, out unicode))
        {
          unicode = true;
        }

      if (fixedLength)
      {
        dbType = (unicode ? DbType.StringFixedLength : DbType.AnsiStringFixedLength);
      }
      else
      {
        dbType = (unicode ? DbType.String : DbType.AnsiString);
        if (fixedLength)
        {
          dbType = (unicode ? DbType.StringFixedLength : DbType.AnsiStringFixedLength);
        }
        else
        {
          dbType = (unicode ? DbType.String : DbType.AnsiString);
        }
      }
      return dbType;
    }

    /// <summary>
    /// Chooses the appropriate DbType for the given binary type.
    /// </summary>
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      return DbType.Binary;
      //            return fixedLength ? DbType.Binary : DbType.VarBinary;
    }

    #region ISQLiteSchemaExtensions Members

    /// <summary>
    /// Creates temporary tables on the connection so schema information can be queried
    /// </summary>
    /// <remarks>
    /// There's a lot of work involved in getting schema information out of SQLite, but LINQ expects to
    /// be able to query on schema tables.  Therefore we need to "fake" it by generating temporary tables
    /// filled with the schema of the current connection.  We get away with making this information static
    /// because schema information seems to always be queried on a new connection object, so the schema is
    /// always fresh.
    /// </remarks>
    /// <param name="cnn">The connection upon which to build the schema tables</param>
    void ISQLiteSchemaExtensions.BuildTempSchema(SQLiteConnection cnn)
    {
      string[] arr = new string[] { "TABLES", "COLUMNS", "VIEWS", "VIEWCOLUMNS", "INDEXES", "INDEXCOLUMNS", "FOREIGNKEYS", "CATALOGS" };

      using (DataTable table = cnn.GetSchema("Tables", new string[] { "temp", null, String.Format("SCHEMA{0}", arr[0]) }))
      using (DataTable table = cnn.GetSchema("Tables", new string[] { "TEMP", null, String.Format("SCHEMA{0}", arr[0]) }))
      {
        if (table.Rows.Count > 0) return;
      }

      for (int n = 0; n < arr.Length; n++)
      {
        using (DataTable table = cnn.GetSchema(arr[n]))
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        cmd.ExecuteNonQuery();

        cmd.CommandText = Properties.Resources.SQL_CONSTRAINTCOLUMNS;
        cmd.ExecuteNonQuery();
      }
    }

    /// <summary>
    /// Turn a datatable into a table in the temporary database for the connection
    /// </summary>
    /// <param name="cnn">The connection to make the temporary table in</param>
    /// <param name="table">The table to write out</param>
    /// <param name="dest">The temporary table name to write to</param>
    private void DataTableToTable(SQLiteConnection cnn, DataTable table, string dest)
    {
      StringBuilder sql = new StringBuilder();
      SQLiteCommandBuilder builder = new SQLiteCommandBuilder();

      using (SQLiteCommand cmd = cnn.CreateCommand())
      using (DataTable source = new DataTable())
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          adp.Fill(source);

          foreach (DataRow row in table.Rows)
          {
            object[] arr = row.ItemArray;

            //for (int n = 0; n < arr.Length; n++)
            //  if (arr[n] is string) arr[n] = ((string)arr[n]).ToLower();

            source.Rows.Add(arr);
          }
          adp.Update(source);
        }
      }
    }

    #endregion
  }
}
Changes to System.Data.SQLite.Linq/System.Data.SQLite.Linq.csproj.
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    <SignAssembly>true</SignAssembly>
    <AssemblyOriginatorKeyFile>..\System.Data.SQLite\System.Data.SQLite.snk</AssemblyOriginatorKeyFile>
  </PropertyGroup>
  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
    <DebugSymbols>true</DebugSymbols>
    <DebugType>full</DebugType>
    <Optimize>false</Optimize>
    <OutputPath>..\bin\</OutputPath>
    <OutputPath>..\bin\Designer\</OutputPath>
    <DefineConstants>DEBUG;TRACE</DefineConstants>
    <ErrorReport>prompt</ErrorReport>
    <WarningLevel>4</WarningLevel>
    <PlatformTarget>AnyCPU</PlatformTarget>
  </PropertyGroup>
  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
    <DebugType>none</DebugType>
    <DebugType>pdbonly</DebugType>
    <Optimize>true</Optimize>
    <OutputPath>..\bin\</OutputPath>
    <OutputPath>..\bin\Designer\</OutputPath>
    <DefineConstants>TRACE</DefineConstants>
    <ErrorReport>prompt</ErrorReport>
    <WarningLevel>4</WarningLevel>
    <PlatformTarget>AnyCPU</PlatformTarget>
  </PropertyGroup>
  <ItemGroup>
    <Reference Include="System" />
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      <DependentUpon>Resources.resx</DependentUpon>
    </Compile>
    <Compile Include="SQL Generation\DmlSqlGenerator.cs" />
    <Compile Include="SQL Generation\ISqlFragment.cs" />
    <Compile Include="SQL Generation\JoinSymbol.cs" />
    <Compile Include="SQL Generation\MetadataHelpers.cs" />
    <Compile Include="SQL Generation\SqlBuilder.cs" />
    <Compile Include="SQL Generation\SqlChecker.cs" />
    <Compile Include="SQL Generation\SqlGenerator.cs" />
    <Compile Include="SQL Generation\SqlSelectStatement.cs" />
    <Compile Include="SQL Generation\SqlWriter.cs" />
    <Compile Include="SQL Generation\Symbol.cs" />
    <Compile Include="SQL Generation\SymbolPair.cs" />
    <Compile Include="SQL Generation\SymbolTable.cs" />
    <Compile Include="SQL Generation\TopClause.cs" />
︙
Changes to System.Data.SQLite/AssemblyInfo.cs.
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[assembly: AssemblyCopyright("Public Domain")]
[assembly: AssemblyTrademark("")]
[assembly: AssemblyCulture("")]

#if PLATFORM_COMPACTFRAMEWORK && RETARGETABLE
[assembly: AssemblyFlags(AssemblyNameFlags.Retargetable)]
#endif


//  Setting ComVisible to false makes the types in this assembly not visible 
//  to COM componenets.  If you need to access a type in this assembly from 
//  COM, set the ComVisible attribute to true on that type.
[assembly: ComVisible(false)]
[assembly: CLSCompliant(true)]
[assembly: InternalsVisibleTo("System.Data.SQLite.Linq, PublicKey=002400000480000094000000060200000024000052534131000400000100010005a288de5687c4e1b621ddff5d844727418956997f475eb829429e411aff3e93f97b70de698b972640925bdd44280df0a25a843266973704137cbb0e7441c1fe7cae4e2440ae91ab8cde3933febcb1ac48dd33b40e13c421d8215c18a4349a436dd499e3c385cc683015f886f6c10bd90115eb2bd61b67750839e3a19941dc9c")]
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//      Major Version
//      Minor Version 
//      Build Number
//      Revision
//
// You can specify all the values or you can default the Revision and Build Numbers 
// by using the '*' as shown below:
[assembly: AssemblyVersion("1.0.59.0")]
[assembly: AssemblyVersion("1.0.56.0")]
#if !PLATFORM_COMPACTFRAMEWORK
[assembly: AssemblyFileVersion("1.0.59.0")]
[assembly: AssemblyFileVersion("1.0.56.0")]
#endif
Changes to System.Data.SQLite/LINQ/SQLiteFactory_Linq.cs.
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    }

    [ReflectionPermission(SecurityAction.Assert, MemberAccess = true)]
    private object GetSQLiteProviderServicesInstance()
    {
      if (_sqliteServices == null)
      {
        Type type = Type.GetType("System.Data.SQLite.SQLiteProviderServices, System.Data.SQLite.Linq, Version=2.0.38.0, Culture=neutral, PublicKeyToken=db937bc2d44ff139", false);
        Type type = Type.GetType("System.Data.SQLite.SQLiteProviderServices, System.Data.SQLite.Linq, Version=2.0.36.0, Culture=neutral, PublicKeyToken=db937bc2d44ff139", false);
        if (type != null)
        {
          FieldInfo field = type.GetField("Instance", BindingFlags.NonPublic | BindingFlags.Static | BindingFlags.Instance);
          _sqliteServices = field.GetValue(null);
        }
      }
      return _sqliteServices;
︙
Changes to System.Data.SQLite/SQLiteBase.cs.
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  /// <summary>
  /// This internal class provides the foundation of SQLite support.  It defines all the abstract members needed to implement
  /// a SQLite data provider, and inherits from SQLiteConvert which allows for simple translations of string to and from SQLite.
  /// </summary>
  internal abstract class SQLiteBase : SQLiteConvert, IDisposable
  {
    static SQLiteBase()
    {
#if !SQLITE_STANDARD
      UnsafeNativeMethods.sqlite3_initialize_interop();
#endif
    }

    internal SQLiteBase(SQLiteDateFormats fmt)
      : base(fmt) { }

    static internal object _lock = new object();

    /// <summary>
    /// Returns a string representing the active version of SQLite
    /// </summary>
    internal abstract string Version { get; }
    /// <summary>
    /// Returns the number of changes the last executing insert/update caused.
    /// </summary>
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#else
      return UTF8ToString(UnsafeNativeMethods.sqlite3_errmsg(db), -1);
#endif
    }

    internal static void FinalizeStatement(SQLiteStatementHandle stmt)
    {
      lock (_lock)
      {
#if !SQLITE_STANDARD
        int n = UnsafeNativeMethods.sqlite3_finalize_interop(stmt);
      int n = UnsafeNativeMethods.sqlite3_finalize_interop(stmt);
#else
      int n = UnsafeNativeMethods.sqlite3_finalize(stmt);
#endif
        if (n > 0) throw new SQLiteException(n, null);
      if (n > 0) throw new SQLiteException(n, null);
      }
    }

    internal static void CloseConnection(SQLiteConnectionHandle db)
    {
      lock (_lock)
      {
#if !SQLITE_STANDARD
        int n = UnsafeNativeMethods.sqlite3_close_interop(db);
      int n = UnsafeNativeMethods.sqlite3_close_interop(db);
#else
      ResetConnection(db);
      int n = UnsafeNativeMethods.sqlite3_close(db);
#endif
        if (n > 0) throw new SQLiteException(n, SQLiteLastError(db));
      if (n > 0) throw new SQLiteException(n, SQLiteLastError(db));
      }
    }

    internal static void ResetConnection(SQLiteConnectionHandle db)
    {
      lock (_lock)
      {
        IntPtr stmt = IntPtr.Zero;
      IntPtr stmt = IntPtr.Zero;

        do
        {
          stmt = UnsafeNativeMethods.sqlite3_next_stmt(db, stmt);
          if (stmt != IntPtr.Zero)
          {
      do
      {
        stmt = UnsafeNativeMethods.sqlite3_next_stmt(db, stmt);
        if (stmt != IntPtr.Zero)
        {
#if !SQLITE_STANDARD
            UnsafeNativeMethods.sqlite3_reset_interop(stmt);
          UnsafeNativeMethods.sqlite3_reset_interop(stmt);
#else
          UnsafeNativeMethods.sqlite3_reset(stmt);
#endif
          }
        } while (stmt != IntPtr.Zero);
        }
      } while (stmt != IntPtr.Zero);

        // Not overly concerned with the return value from a rollback.
        UnsafeNativeMethods.sqlite3_exec(db, ToUTF8("ROLLBACK"), IntPtr.Zero, IntPtr.Zero, out stmt);
      // Not overly concerned with the return value from a rollback.
      UnsafeNativeMethods.sqlite3_exec(db, ToUTF8("ROLLBACK"), IntPtr.Zero, IntPtr.Zero, out stmt);
      }
    }
  }

  internal interface ISQLiteSchemaExtensions
  {
    void BuildTempSchema(SQLiteConnection cnn);
  }
︙
Changes to System.Data.SQLite/SQLiteCommand.cs.
︙
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  using System.Collections.Generic;
  using System.ComponentModel;

  /// <summary>
  /// SQLite implementation of DbCommand.
  /// </summary>
#if !PLATFORM_COMPACTFRAMEWORK
  [Designer("SQLite.Designer.SQLiteCommandDesigner, SQLite.Designer, Version=1.0.36.0, Culture=neutral, PublicKeyToken=db937bc2d44ff139"), ToolboxItem(true)]
  [Designer("SQLite.Designer.SQLiteCommandDesigner, SQLite.Designer, Version=1.0.35.0, Culture=neutral, PublicKeyToken=db937bc2d44ff139"), ToolboxItem(true)]
#endif
  public sealed class SQLiteCommand : DbCommand, ICloneable
  {
    /// <summary>
    /// The command text this command is based on
    /// </summary>
    private string _commandText;
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    public SQLiteCommand(string commandText, SQLiteConnection connection, SQLiteTransaction transaction)
    {
      _statementList = null;
      _activeReader = null;
      _commandTimeout = 30;
      _parameterCollection = new SQLiteParameterCollection(this);
      _designTimeVisible = true;
      _updateRowSource = UpdateRowSource.None;
      _updateRowSource = UpdateRowSource.FirstReturnedRecord;
      _transaction = null;

      if (commandText != null)
        CommandText = commandText;

      if (connection != null)
      {
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    public override void Prepare()
    {
    }

    /// <summary>
    /// Sets the method the SQLiteCommandBuilder uses to determine how to update inserted or updated rows in a DataTable.
    /// </summary>
    [DefaultValue(UpdateRowSource.None)]
    [DefaultValue(UpdateRowSource.FirstReturnedRecord)]
    public override UpdateRowSource UpdatedRowSource
    {
      get
      {
        return _updateRowSource;
      }
      set
︙
Changes to System.Data.SQLite/SQLiteConnection.cs.
︙
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-
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    /// <description>N</description>
    /// <description>Serializable</description>
    /// </item>
    /// </list>
    /// </remarks>
#if !PLATFORM_COMPACTFRAMEWORK
    [RefreshProperties(RefreshProperties.All), DefaultValue("")]
    [Editor("SQLite.Designer.SQLiteConnectionStringEditor, SQLite.Designer, Version=1.0.36.0, Culture=neutral, PublicKeyToken=db937bc2d44ff139", "System.Drawing.Design.UITypeEditor, System.Drawing, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a")]
    [Editor("SQLite.Designer.SQLiteConnectionStringEditor, SQLite.Designer, Version=1.0.35.0, Culture=neutral, PublicKeyToken=db937bc2d44ff139", "System.Drawing.Design.UITypeEditor, System.Drawing, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a")]
#endif
    public override string ConnectionString
    {
      get
      {
        return _connectionString;
      }
︙
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          if (String.Compare(defValue, "Default", StringComparison.OrdinalIgnoreCase) != 0)
          {
            cmd.CommandText = String.Format(CultureInfo.InvariantCulture, "PRAGMA journal_mode={0}", defValue);
            cmd.ExecuteNonQuery();
          }
        }

        if (_commitHandler != null)
          _sql.SetCommitHook(_commitCallback);

        if (_updateHandler != null)
          _sql.SetUpdateHook(_updateCallback);

        if (_rollbackHandler != null)
          _sql.SetRollbackHook(_rollbackCallback);

#if !PLATFORM_COMPACTFRAMEWORK
        if (Transactions.Transaction.Current != null && SQLiteConvert.ToBoolean(FindKey(opts, "Enlist", Boolean.TrueString)) == true)
          EnlistTransaction(Transactions.Transaction.Current);
#endif
      }
      catch (SQLiteException)
      {
︙
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                    row["COLUMN_NAME"] = schemaRow[SchemaTableColumn.BaseColumnName];
                    row["VIEW_COLUMN_NAME"] = viewRow[SchemaTableColumn.ColumnName];
                    row["COLUMN_HASDEFAULT"] = (viewRow[SchemaTableOptionalColumn.DefaultValue] != DBNull.Value);
                    row["COLUMN_DEFAULT"] = viewRow[SchemaTableOptionalColumn.DefaultValue];
                    row["ORDINAL_POSITION"] = viewRow[SchemaTableColumn.ColumnOrdinal];
                    row["IS_NULLABLE"] = viewRow[SchemaTableColumn.AllowDBNull];
                    row["DATA_TYPE"] = viewRow["DataTypeName"]; // SQLiteConvert.DbTypeToType((DbType)viewRow[SchemaTableColumn.ProviderType]).ToString();
                    row["EDM_TYPE"] = SQLiteConvert.DbTypeToTypeName((DbType)viewRow[SchemaTableColumn.ProviderType]).ToString().ToLower(CultureInfo.InvariantCulture);
                    row["EDM_TYPE"] = SQLiteConvert.DbTypeToTypeName((DbType)viewRow[SchemaTableColumn.ProviderType]).ToString();
                    row["CHARACTER_MAXIMUM_LENGTH"] = viewRow[SchemaTableColumn.ColumnSize];
                    row["TABLE_SCHEMA"] = viewRow[SchemaTableColumn.BaseSchemaName];
                    row["PRIMARY_KEY"] = viewRow[SchemaTableColumn.IsKey];
                    row["AUTOINCREMENT"] = viewRow[SchemaTableOptionalColumn.IsAutoIncrement];
                    row["COLLATION_NAME"] = viewRow["CollationType"];
                    row["UNIQUE"] = viewRow[SchemaTableColumn.IsUnique];
                    tbl.Rows.Add(row);
︙
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-
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-
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+



-








        while (rdTables.Read())
        {
          if (String.IsNullOrEmpty(strTable) || String.Compare(strTable, rdTables.GetString(2), true, CultureInfo.InvariantCulture) == 0)
          {
            try
            {
              using (SQLiteCommandBuilder builder = new SQLiteCommandBuilder())
              //using (SQLiteCommand cmdTable = new SQLiteCommand(String.Format(CultureInfo.InvariantCulture, "SELECT * FROM [{0}].[{1}]", strCatalog, rdTables.GetString(2)), this))
              //using (SQLiteDataReader rdTable = cmdTable.ExecuteReader(CommandBehavior.SchemaOnly))
              using (SQLiteCommand cmdTable = new SQLiteCommand(String.Format(CultureInfo.InvariantCulture, "SELECT * FROM [{0}].[{1}]", strCatalog, rdTables.GetString(2)), this))
              using (SQLiteDataReader rdTable = cmdTable.ExecuteReader(CommandBehavior.SchemaOnly))
              using (SQLiteCommand cmdKey = new SQLiteCommand(String.Format(CultureInfo.InvariantCulture, "PRAGMA [{0}].foreign_key_list([{1}])", strCatalog, rdTables.GetString(2)), this))
              using (SQLiteDataReader rdKey = cmdKey.ExecuteReader())
              {
                while (rdKey.Read())
                {
                  row = tbl.NewRow();
                  row["CONSTRAINT_CATALOG"] = strCatalog;
                  row["CONSTRAINT_NAME"] = String.Format(CultureInfo.InvariantCulture, "FK_{0}_{1}", rdTables[2], rdKey.GetInt32(0));
                  row["CONSTRAINT_NAME"] = String.Format(CultureInfo.InvariantCulture, "FK_{0}_{1}_{2}", rdTables[2], rdKey[3], rdKey[4]);
                  row["TABLE_CATALOG"] = strCatalog;
                  row["TABLE_NAME"] = builder.UnquoteIdentifier(rdTables.GetString(2));
                  row["CONSTRAINT_TYPE"] = "FOREIGN KEY";
                  row["IS_DEFERRABLE"] = false;
                  row["INITIALLY_DEFERRED"] = false;
                  row["FKEY_FROM_COLUMN"] = builder.UnquoteIdentifier(rdKey[3].ToString());
                  row["FKEY_FROM_ORDINAL_POSITION"] = rdTable.GetOrdinal(row["FKEY_FROM_COLUMN"].ToString());
                  row["FKEY_TO_CATALOG"] = strCatalog;
                  row["FKEY_TO_TABLE"] = builder.UnquoteIdentifier(rdKey[2].ToString());
                  row["FKEY_TO_COLUMN"] = builder.UnquoteIdentifier(rdKey[4].ToString());
                  row["FKEY_FROM_ORDINAL_POSITION"] = rdKey[1];

                  if (String.IsNullOrEmpty(strKeyName) || String.Compare(strKeyName, row["CONSTRAINT_NAME"].ToString(), true, CultureInfo.InvariantCulture) == 0)
                    tbl.Rows.Add(row);
                }
              }
            }
            catch (SQLiteException)
︙
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-
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    public event SQLiteUpdateEventHandler Update
    {
      add
      {
        if (_updateHandler == null)
        {
          _updateCallback = new SQLiteUpdateCallback(UpdateCallback);
          if (_sql != null) _sql.SetUpdateHook(_updateCallback);
          _sql.SetUpdateHook(_updateCallback);
        }
        _updateHandler += value;
      }
      remove
      {
        _updateHandler -= value;
        if (_updateHandler == null)
        {
          if (_sql != null) _sql.SetUpdateHook(null);
          _sql.SetUpdateHook(null);
          _updateCallback = null;
        }
      }
    }

    private void UpdateCallback(IntPtr puser, int type, IntPtr database, IntPtr table, Int64 rowid)
    {
︙
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-
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-
+








    public event SQLiteCommitHandler Commit
    {
      add
      {
        if (_commitHandler == null)
        {
          _commitCallback = new SQLiteCommitCallback(CommitCallback);
          if (_sql != null) _sql.SetCommitHook(_commitCallback);
          _sql.SetCommitHook(_commitCallback);
        }
        _commitHandler += value;
      }
      remove
      {
        _commitHandler -= value;
        if (_commitHandler == null)
        {
          if (_sql != null) _sql.SetCommitHook(null);
          _sql.SetCommitHook(null);
          _commitCallback = null;
        }
      }
    }

    /// <summary>
    /// This event is raised whenever SQLite is committing a transaction.
    /// Return non-zero to trigger a rollback
    /// </summary>
    public event EventHandler RollBack
    {
      add
      {
        if (_rollbackHandler == null)
        {
          _rollbackCallback = new SQLiteRollbackCallback(RollbackCallback);
          if (_sql != null) _sql.SetRollbackHook(_rollbackCallback);
          _sql.SetRollbackHook(_rollbackCallback);
        }
        _rollbackHandler += value;
      }
      remove
      {
        _rollbackHandler -= value;
        if (_rollbackHandler == null)
        {
          if (_sql != null) _sql.SetRollbackHook(null);
          _sql.SetRollbackHook(null);
          _rollbackCallback = null;
        }
      }
    }


    private int CommitCallback(IntPtr parg)
︙
Changes to System.Data.SQLite/SQLiteDataAdapter.cs.
︙
13
14
15
16
17
18
19
20

21
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23
24
25
26
27

13
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-
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  using System.ComponentModel;

  /// <summary>
  /// SQLite implementation of DbDataAdapter.
  /// </summary>
#if !PLATFORM_COMPACTFRAMEWORK
  [DefaultEvent("RowUpdated")]
  [ToolboxItem("SQLite.Designer.SQLiteDataAdapterToolboxItem, SQLite.Designer, Version=1.0.36.0, Culture=neutral, PublicKeyToken=db937bc2d44ff139")]
  [ToolboxItem("SQLite.Designer.SQLiteDataAdapterToolboxItem, SQLite.Designer, Version=1.0.35.0, Culture=neutral, PublicKeyToken=db937bc2d44ff139")]
  [Designer("Microsoft.VSDesigner.Data.VS.SqlDataAdapterDesigner, Microsoft.VSDesigner, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a")]
#endif
  public sealed class SQLiteDataAdapter : DbDataAdapter
  {
    private static object _updatingEventPH = new object();
    private static object _updatedEventPH = new object();
︙
Changes to System.Data.SQLite/SQLiteDataReader.cs.
︙
398
399
400
401
402
403
404
405

406
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409
410
411
412

398
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401
402
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405
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407
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410
411
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-
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    /// <returns>decimal</returns>
    public override decimal GetDecimal(int i)
    {
      if (i >= VisibleFieldCount && _keyInfo != null)
        return _keyInfo.GetDecimal(i - VisibleFieldCount);

      VerifyType(i, DbType.Decimal);
      return Convert.ToDecimal(_activeStatement._sql.GetText(_activeStatement, i), CultureInfo.InvariantCulture);
      return Convert.ToDecimal(_activeStatement._sql.GetText(_activeStatement, i));
    }

    /// <summary>
    /// Returns the column as a double
    /// </summary>
    /// <param name="i">The index of the column to retrieve</param>
    /// <returns>double</returns>
︙
608
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608
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618
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+








        row[SchemaTableColumn.IsLong] = false;
        row[SchemaTableColumn.AllowDBNull] = true;
        row[SchemaTableOptionalColumn.IsReadOnly] = false;
        row[SchemaTableOptionalColumn.IsRowVersion] = false;
        row[SchemaTableColumn.IsUnique] = false;
        row[SchemaTableColumn.IsKey] = false;
        row[SchemaTableOptionalColumn.IsAutoIncrement] = false;
        row[SchemaTableOptionalColumn.IsReadOnly] = false;
        row[SchemaTableColumn.DataType] = GetFieldType(n);
        row[SchemaTableOptionalColumn.IsHidden] = false;

        strColumn = _command.Connection._sql.ColumnOriginalName(_activeStatement, n);
        if (String.IsNullOrEmpty(strColumn) == false) row[SchemaTableColumn.BaseColumnName] = strColumn;

        row[SchemaTableColumn.IsExpression] = String.IsNullOrEmpty(strColumn);
︙
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-
-
-
-
-
-
-
-
-
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-





-
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+
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+

-
-
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+
+
+








              foreach (DataRow rowColumnIndex in tblIndexColumns.Rows)
              {
                if (String.Compare((string)rowColumnIndex["COLUMN_NAME"], strColumn, true, CultureInfo.InvariantCulture) == 0)
                {
                  if (tblIndexColumns.Rows.Count == 1 && (bool)row[SchemaTableColumn.AllowDBNull] == false)
                    row[SchemaTableColumn.IsUnique] = rowIndexes["UNIQUE"];

                  // If its an integer primary key and the only primary key in the table, then its a rowid alias and is autoincrement
                  // NOTE:  Currently commented out because this is not always the desired behavior.  For example, a 1:1 relationship with
                  //        another table, where the other table is autoincrement, but this one is not, and uses the rowid from the other.
                  //        It is safer to only set Autoincrement on tables where we're SURE the user specified AUTOINCREMENT, even if its a rowid column.

                  if (tblIndexColumns.Rows.Count == 1 && (bool)rowIndexes["PRIMARY_KEY"] == true && String.IsNullOrEmpty(dataType) == false &&
                    String.Compare(dataType, "integer", true, CultureInfo.InvariantCulture) == 0)
                  {
                    //  row[SchemaTableOptionalColumn.IsAutoIncrement] = true;
                  }

                  break;
                }
              }
            }
          }

          if (String.IsNullOrEmpty(dataType))
          {
            TypeAffinity affin;
            dataType = _activeStatement._sql.ColumnType(_activeStatement, n, out affin);
          }
        }

        if (String.IsNullOrEmpty(dataType))
        {
          TypeAffinity affin;
          dataType = _activeStatement._sql.ColumnType(_activeStatement, n, out affin);
        }

          if (String.IsNullOrEmpty(dataType) == false)
            row["DataTypeName"] = dataType;
        }
        if (String.IsNullOrEmpty(dataType) == false)
          row["DataTypeName"] = dataType;

        tbl.Rows.Add(row);
      }

      if (_keyInfo != null)
        _keyInfo.AppendSchemaTable(tbl);

      tbl.AcceptChanges();
︙
Changes to System.Data.SQLite/SQLiteFunction.cs.
︙
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
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45
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33






34
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41

42
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48
49








-
-
-
-
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-








-
+








  /// information in member variables of user-defined function classes.
  /// 
  /// For aggregate functions, always create and store your per-statement data in the contextData object on the 1st step.  This data will
  /// be automatically freed for you (and Dispose() called if the item supports IDisposable) when the statement completes.
  /// </remarks>
  public abstract class SQLiteFunction : IDisposable
  {
    private class AggregateData
    {
      internal int _count = 1;
      internal object _data = null;
    }

    /// <summary>
    /// The base connection this function is attached to
    /// </summary>
    internal SQLiteBase              _base;

    /// <summary>
    /// Internal array used to keep track of aggregate function context data
    /// </summary>
    private Dictionary<long, AggregateData> _contextDataList;
    private Dictionary<long, object> _contextDataList;

    /// <summary>
    /// Holds a reference to the callback function for user functions
    /// </summary>
    private SQLiteCallback  _InvokeFunc;
    /// <summary>
    /// Holds a reference to the callbakc function for stepping in an aggregate function
︙
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70
71
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73


74
75
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80
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+
+










-
+








    private SQLiteCollation _CompareFunc16;

    /// <summary>
    /// Current context of the current callback.  Only valid during a callback
    /// </summary>
    internal IntPtr _context;

    private int _count = 1;

    /// <summary>
    /// This static list contains all the user-defined functions declared using the proper attributes.
    /// </summary>
    private static List<SQLiteFunctionAttribute> _registeredFunctions = new List<SQLiteFunctionAttribute>();

    /// <summary>
    /// Internal constructor, initializes the function's internal variables.
    /// </summary>
    protected SQLiteFunction()
    {
      _contextDataList = new Dictionary<long, AggregateData>();
      _contextDataList = new Dictionary<long, object>();
    }

    /// <summary>
    /// Returns a reference to the underlying connection's SQLiteConvert class, which can be used to convert
    /// strings and DateTime's into the current connection's encoding schema.
    /// </summary>
    public SQLiteConvert SQLiteConvert
︙
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    /// binary searches can be done to find the data.
    /// </remarks>
    /// <param name="context">A raw context pointer</param>
    /// <param name="nArgs">Number of arguments passed in</param>
    /// <param name="argsptr">A pointer to the array of arguments</param>
    internal void StepCallback(IntPtr context, int nArgs, IntPtr argsptr)
    {
      int n = _count;
      long nAux;
      AggregateData data;
      object obj = null;

      nAux = (long)_base.AggregateContext(context);
      if (_contextDataList.TryGetValue(nAux, out data) == false)
      {
        data = new AggregateData();
        _contextDataList[nAux] = data;
      if (n > 1) obj = _contextDataList[nAux];
      }

      try
      {
        _context = context;
        Step(ConvertParams(nArgs, argsptr), data._count, ref data._data);
        Step(ConvertParams(nArgs, argsptr), n, ref obj);
        _contextDataList[nAux] = obj;
      }
      finally
      {
        data._count++;
        _count++;
      }
    }

    /// <summary>
    /// An internal aggregate Final function callback, which wraps the context pointer and calls the virtual Final() method.
    /// </summary>
    /// <param name="context">A raw context pointer</param>
    internal void FinalCallback(IntPtr context)
    {
      long n = (long)_base.AggregateContext(context);
      object obj = null;

      _count = 1;
      if (_contextDataList.ContainsKey(n))
      {
        obj = _contextDataList[n]._data;
        obj = _contextDataList[n];
        _contextDataList.Remove(n);
      }

      _context = context;
      SetReturnValue(context, Final(obj));

      IDisposable disp = obj as IDisposable;
      if (disp != null) disp.Dispose();
    }

    /// <summary>
    /// Placeholder for a user-defined disposal routine
    /// </summary>
    /// <param name="disposing">True if the object is being disposed explicitly</param>
    protected virtual void Dispose(bool disposing)
    {
      if (disposing)
      {
        IDisposable disp;

        foreach (KeyValuePair<long, AggregateData> kv in _contextDataList)
        foreach (KeyValuePair<long, object> kv in _contextDataList)
        {
          disp = kv.Value._data as IDisposable;
          disp = kv.Value as IDisposable;
          if (disp != null)
            disp.Dispose();
        }
        _contextDataList.Clear();

        _InvokeFunc = null;
        _StepFunc = null;
︙
Changes to System.Data.SQLite/SQLiteStatement.cs.
︙
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        case DbType.Guid:
          if (_command.Connection._binaryGuid == true)
            _sql.Bind_Blob(this, index, ((Guid)obj).ToByteArray());
          else
            _sql.Bind_Text(this, index, obj.ToString());

          break;
        case DbType.Decimal: // Dont store decimal as double ... loses precision
          _sql.Bind_Text(this, index, Convert.ToDecimal(obj, CultureInfo.CurrentCulture).ToString(CultureInfo.InvariantCulture));
          break;
        default:
          _sql.Bind_Text(this, index, obj.ToString());
          break;
      }
    }

    internal string[] TypeDefinitions
︙
Changes to System.Data.SQLite/SR.Designer.cs. 
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//------------------------------------------------------------------------------
// <auto-generated>
//     This code was generated by a tool.
//     Runtime Version:2.0.50727.3053
//     Runtime Version:2.0.50727.1433
//
//     Changes to this file may cause incorrect behavior and will be lost if
//     the code is regenerated.
// </auto-generated>
//------------------------------------------------------------------------------

namespace System.Data.SQLite {
︙
Changes to System.Data.SQLite/SR.resx. 
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<?xml version="1.0" encoding="utf-8"?>
<root>
  <!-- 
	<!-- 
    Microsoft ResX Schema 
    
    Version 2.0
    
    The primary goals of this format is to allow a simple XML format 
    that is mostly human readable. The generation and parsing of the 
    various data types are done through the TypeConverter classes
︙
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            : and then encoded with base64 encoding.

    mimetype: application/x-microsoft.net.object.bytearray.base64
    value   : The object must be serialized into a byte array 
            : using a System.ComponentModel.TypeConverter
            : and then encoded with base64 encoding.
    -->
  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
    <xsd:element name="root" msdata:IsDataSet="true">
      <xsd:complexType>
        <xsd:choice maxOccurs="unbounded">
          <xsd:element name="metadata">
            <xsd:complexType>
              <xsd:sequence>
                <xsd:element name="value" type="xsd:string" minOccurs="0" />
              </xsd:sequence>
              <xsd:attribute name="name" use="required" type="xsd:string" />
              <xsd:attribute name="type" type="xsd:string" />
              <xsd:attribute name="mimetype" type="xsd:string" />
              <xsd:attribute ref="xml:space" />
            </xsd:complexType>
          </xsd:element>
          <xsd:element name="assembly">
            <xsd:complexType>
              <xsd:attribute name="alias" type="xsd:string" />
              <xsd:attribute name="name" type="xsd:string" />
            </xsd:complexType>
          </xsd:element>
          <xsd:element name="data">
            <xsd:complexType>
              <xsd:sequence>
                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
              </xsd:sequence>
              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
              <xsd:attribute ref="xml:space" />
            </xsd:complexType>
          </xsd:element>
          <xsd:element name="resheader">
            <xsd:complexType>
              <xsd:sequence>
                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
              </xsd:sequence>
              <xsd:attribute name="name" type="xsd:string" use="required" />
            </xsd:complexType>
          </xsd:element>
        </xsd:choice>
      </xsd:complexType>
    </xsd:element>
  </xsd:schema>
	<xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
		<xsd:import namespace="http://www.w3.org/XML/1998/namespace"/>
		<xsd:element name="root" msdata:IsDataSet="true">
			<xsd:complexType>
				<xsd:choice maxOccurs="unbounded">
					<xsd:element name="metadata">
						<xsd:complexType>
							<xsd:sequence>
								<xsd:element name="value" type="xsd:string" minOccurs="0"/>
							</xsd:sequence>
							<xsd:attribute name="name" use="required" type="xsd:string"/>
							<xsd:attribute name="type" type="xsd:string"/>
							<xsd:attribute name="mimetype" type="xsd:string"/>
							<xsd:attribute ref="xml:space"/>
						</xsd:complexType>
					</xsd:element>
					<xsd:element name="assembly">
						<xsd:complexType>
							<xsd:attribute name="alias" type="xsd:string"/>
							<xsd:attribute name="name" type="xsd:string"/>
						</xsd:complexType>
					</xsd:element>
					<xsd:element name="data">
						<xsd:complexType>
							<xsd:sequence>
								<xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1"/>
								<xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2"/>
							</xsd:sequence>
							<xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1"/>
							<xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3"/>
							<xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4"/>
							<xsd:attribute ref="xml:space"/>
						</xsd:complexType>
					</xsd:element>
					<xsd:element name="resheader">
						<xsd:complexType>
							<xsd:sequence>
								<xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1"/>
							</xsd:sequence>
							<xsd:attribute name="name" type="xsd:string" use="required"/>
						</xsd:complexType>
					</xsd:element>
				</xsd:choice>
			</xsd:complexType>
		</xsd:element>
	</xsd:schema>
  <resheader name="resmimetype">
    <value>text/microsoft-resx</value>
  </resheader>
  <resheader name="version">
    <value>2.0</value>
  </resheader>
  <resheader name="reader">
    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
  </resheader>
  <resheader name="writer">
    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
  </resheader>
  <assembly alias="System.Windows.Forms" name="System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" />
  <data name="DataTypes" type="System.Resources.ResXFileRef, System.Windows.Forms">
    <value>datatypes.xml;System.String, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089;utf-8</value>
  </data>
  <data name="Keywords" xml:space="preserve">
	<assembly alias="System.Windows.Forms" name="System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/>
	<data name="DataTypes" type="System.Resources.ResXFileRef, System.Windows.Forms">
		<value>datatypes.xml;System.String, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089;utf-8</value>
	</data>
	<data name="Keywords" xml:space="preserve">
    <value>ALL,ALTER,AND,AS,AUTOINCREMENT,BETWEEN,BY,CASE,CHECK,COLLATE,COMMIT,CONSTRAINT,CREATE,CROSS,DEFAULT,DEFERRABLE,DELETE,DISTINCT,DROP,ELSE,ESCAPE,EXCEPT,FOREIGN,FROM,FULL,GROUP,HAVING,IN,INDEX,INNER,INSERT,INTERSECT,INTO,IS,ISNULL,JOIN,LEFT,LIMIT,NATURAL,NOT,NOTNULL,NULL,ON,OR,ORDER,OUTER,PRIMARY,REFERENCES,RIGHT,ROLLBACK,SELECT,SET,TABLE,THEN,TO,TRANSACTION,UNION,UNIQUE,UPDATE,USING,VALUES,WHEN,WHERE</value>
  </data>
  <data name="MetaDataCollections" type="System.Resources.ResXFileRef, System.Windows.Forms">
    <value>metadatacollections.xml;System.String, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089;utf-8</value>
  </data>
</root>
	<data name="MetaDataCollections" type="System.Resources.ResXFileRef, System.Windows.Forms">
		<value>metadatacollections.xml;System.String, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089;utf-8</value>
	</data>
	<resheader name="resmimetype"><value>text/microsoft-resx</value></resheader><resheader name="version"><value>2.0</value></resheader><resheader name="reader"><value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value></resheader><resheader name="writer"><value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value></resheader></root>
Changes to System.Data.SQLite/System.Data.SQLite. 
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<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="3.5">
  <PropertyGroup>
    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
    <ProductVersion>9.0.30729</ProductVersion>
    <ProductVersion>9.0.30703</ProductVersion>
    <SchemaVersion>2.0</SchemaVersion>
    <ProjectGuid>{AC139951-261A-4463-B6FA-AEBC25283A66}</ProjectGuid>
    <ProjectGuid>{AC139952-261A-4463-B6FA-AEBC25283A66}</ProjectGuid>
    <OutputType>Library</OutputType>
    <AppDesignerFolder>Properties</AppDesignerFolder>
    <RootNamespace>System.Data.SQLite</RootNamespace>
    <AssemblyName>System.Data.SQLite</AssemblyName>
    <ProjectTypeGuids>{4D628B5B-2FBC-4AA6-8C16-197242AEB884};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
    <PlatformFamilyName>WindowsCE</PlatformFamilyName>
    <PlatformID>E2BECB1F-8C8C-41ba-B736-9BE7D946A398</PlatformID>
    <OSVersion>5.00</OSVersion>
    <TargetFrameworkVersion>v2.0</TargetFrameworkVersion>
    <FormFactorID>
    </FormFactorID>
    <SignAssembly>true</SignAssembly>
    <AssemblyOriginatorKeyFile>System.Data.SQLite.CF.snk</AssemblyOriginatorKeyFile>
    <AssemblyOriginatorKeyFile>System.Data.SQLite.snk</AssemblyOriginatorKeyFile>
    <DeployDirSuffix>testce</DeployDirSuffix>
    <DeployDirPrefix>%25CSIDL_PROGRAM_FILES%25</DeployDirPrefix>
    <RunPostBuildEvent>OnOutputUpdated</RunPostBuildEvent>
    <FileUpgradeFlags>
    </FileUpgradeFlags>
    <OldToolsVersion>2.0</OldToolsVersion>
    <NativePlatformName>Windows CE</NativePlatformName>
    <UpgradeBackupLocation>
    </UpgradeBackupLocation>
    <DelaySign>false</DelaySign>
  </PropertyGroup>
  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
    <DebugSymbols>true</DebugSymbols>
    <DebugType>full</DebugType>
    <Optimize>false</Optimize>
    <OutputPath>..\bin\CompactFramework\</OutputPath>
    <DefineConstants>TRACE;DEBUG;PocketPC;PLATFORM_COMPACTFRAMEWORK;USE_INTEROP_DLL</DefineConstants>
    <OutputPath>..\bin\</OutputPath>
    <DefineConstants>TRACE;DEBUG;USE_INTEROP_DLL</DefineConstants>
    <NoStdLib>true</NoStdLib>
    <NoConfig>true</NoConfig>
    <ErrorReport>prompt</ErrorReport>
    <FileAlignment>512</FileAlignment>
    <WarningLevel>4</WarningLevel>
    <DocumentationFile>
    </DocumentationFile>
    <GenerateSerializationAssemblies>off</GenerateSerializationAssemblies>
    <FileAlignment>512</FileAlignment>
    <AllowUnsafeBlocks>false</AllowUnsafeBlocks>
    <PlatformTarget>x86</PlatformTarget>
  </PropertyGroup>
  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
    <DebugSymbols>false</DebugSymbols>
    <OutputPath>bin\</OutputPath>
    <DefineConstants>
    </DefineConstants>
    <DebugType>none</DebugType>
    <PlatformTarget>AnyCPU</PlatformTarget>
    <CodeAnalysisUseTypeNameInSuppression>true</CodeAnalysisUseTypeNameInSuppression>
    <CodeAnalysisModuleSuppressionsFile>GlobalSuppressions.cs</CodeAnalysisModuleSuppressionsFile>
    <GenerateSerializationAssemblies>Off</GenerateSerializationAssemblies>
    <ErrorReport>prompt</ErrorReport>
    <FileAlignment>512</FileAlignment>
    <DocumentationFile>..\bin\System.Data.SQLite.XML</DocumentationFile>
    <AllowUnsafeBlocks>false</AllowUnsafeBlocks>
    <Optimize>true</Optimize>
  </PropertyGroup>
  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'StockDebug|AnyCPU' ">
    <DebugSymbols>true</DebugSymbols>
    <OutputPath>..\bin\CompactFramework\</OutputPath>
    <DefineConstants>PocketPC;PLATFORM_COMPACTFRAMEWORK</DefineConstants>
    <NoStdLib>true</NoStdLib>
    <OutputPath>..\bin\ManagedOnly\</OutputPath>
    <DefineConstants>TRACE;DEBUG;USE_INTEROP_DLL;SQLITE_STANDARD</DefineConstants>
    <DebugType>full</DebugType>
    <PlatformTarget>x86</PlatformTarget>
    <CodeAnalysisUseTypeNameInSuppression>true</CodeAnalysisUseTypeNameInSuppression>
    <NoConfig>true</NoConfig>
    <CodeAnalysisModuleSuppressionsFile>GlobalSuppressions.cs</CodeAnalysisModuleSuppressionsFile>
    <GenerateSerializationAssemblies>Off</GenerateSerializationAssemblies>
    <ErrorReport>prompt</ErrorReport>
    <FileAlignment>512</FileAlignment>
    <WarningLevel>4</WarningLevel>
  </PropertyGroup>
  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'StockRelease|AnyCPU' ">
    <OutputPath>..\bin\ManagedOnly\</OutputPath>
    <DocumentationFile>..\bin\ManagedOnly\System.Data.SQLite.XML</DocumentationFile>
    <Optimize>true</Optimize>
    <PlatformTarget>AnyCPU</PlatformTarget>
    <CodeAnalysisUseTypeNameInSuppression>true</CodeAnalysisUseTypeNameInSuppression>
    <CodeAnalysisModuleSuppressionsFile>GlobalSuppressions.cs</CodeAnalysisModuleSuppressionsFile>
    <GenerateSerializationAssemblies>Off</GenerateSerializationAssemblies>
    <AllowUnsafeBlocks>false</AllowUnsafeBlocks>
    <ErrorReport>prompt</ErrorReport>
    <DefineConstants>SQLITE_STANDARD</DefineConstants>
  </PropertyGroup>
  <ItemGroup>
    <Reference Include="mscorlib" />
    <Reference Include="System">
    <Reference Include="System" />
    <Reference Include="System.Data" />
      <Private>False</Private>
    </Reference>
    <Reference Include="System.Data">
    <Reference Include="System.Transactions" />
      <Private>False</Private>
    </Reference>
    <Reference Include="System.Xml">
    <Reference Include="System.Xml" />
      <Private>False</Private>
    </Reference>
  </ItemGroup>
  <ItemGroup>
    <Compile Include="AssemblyInfo.cs" />
    <Compile Include="LINQ\SQLiteConnection_Linq.cs">
      <SubType>Component</SubType>
    </Compile>
    <Compile Include="LINQ\SQLiteFactory_Linq.cs">
      <SubType>Code</SubType>
    </Compile>
    <Compile Include="SQLite3.cs" />
    <Compile Include="SQLite3_UTF16.cs" />
    <Compile Include="SQLiteBase.cs" />
    <Compile Include="SQLiteCommand.cs">
      <SubType>Component</SubType>
    </Compile>
    <Compile Include="SQLiteCommandBuilder.cs">
      <SubType>Component</SubType>
    </Compile>
    <Compile Include="SQLiteConnection.cs">
      <SubType>Component</SubType>
    </Compile>
    <Compile Include="SQLiteConnectionPool.cs" />
    <Compile Include="SQLiteConnectionStringBuilder.cs" />
    <Compile Include="SQLiteConvert.cs" />
    <Compile Include="SQLiteDataAdapter.cs">
      <SubType>Component</SubType>
    </Compile>
    <Compile Include="SQLiteDataReader.cs" />
    <Compile Include="SQLiteEnlistment.cs" />
    <Compile Include="SQLiteException.cs" />
    <Compile Include="SQLiteFactory.cs" />
    <Compile Include="SQLiteFunction.cs" />
    <Compile Include="SQLiteFunctionAttribute.cs" />
    <Compile Include="SQLiteKeyReader.cs" />
    <Compile Include="SQLiteMetaDataCollectionNames.cs" />
    <Compile Include="SQLiteParameter.cs" />
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  </ItemGroup>
  <ItemGroup>
    <None Include="DataTypes.xml" />
  </ItemGroup>
  <ItemGroup>
    <None Include="MetaDataCollections.xml" />
  </ItemGroup>
  <ItemGroup>
    <EmbeddedResource Include="SQLiteCommand.bmp" />
    <EmbeddedResource Include="SQLiteConnection.bmp" />
    <EmbeddedResource Include="SQLiteDataAdapter.bmp" />
  </ItemGroup>
  <ItemGroup>
    <Folder Include="Properties\" />
  </ItemGroup>
  <Import Condition="'$(TargetFrameworkVersion)' == 'v1.0'" Project="$(MSBuildBinPath)\Microsoft.CompactFramework.CSharp.v1.targets" />
  <Import Condition="'$(TargetFrameworkVersion)' == 'v2.0'" Project="$(MSBuildBinPath)\Microsoft.CompactFramework.CSharp.targets" />
  <ProjectExtensions>
  <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
       Other similar extension points exist, see Microsoft.Common.targets.
    <VisualStudio>
      <FlavorProperties GUID="{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}">
        <HostingProcess disable="1" />
      </FlavorProperties>
    </VisualStudio>
  <Target Name="BeforeBuild">
  </Target>
  <Target Name="AfterBuild">
  </Target>
  </ProjectExtensions>
  -->
  <PropertyGroup>
    <PostBuildEvent>
    <PostBuildEvent>"$(SolutionDir)bin\tools\mergebin.exe" /p:"$(TargetPath)" &gt;"$(SolutionDir)SQLite.Interop\merge_full.h"</PostBuildEvent>
    </PostBuildEvent>
  </PropertyGroup>
  <Import Condition="'$(TargetFrameworkVersion)' == 'v3.5'" Project="$(MSBuildBinPath)\Microsoft.CompactFramework.CSharp.targets" />
</Project>
Changes to System.Data.SQLite/UnsafeNativeMethods.cs.
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#if !PLATFORM_COMPACTFRAMEWORK
  [SuppressUnmanagedCodeSecurity]
#endif
  internal static class UnsafeNativeMethods
  {
#if !SQLITE_STANDARD

#if !USE_INTEROP_DLL

#if !PLATFORM_COMPACTFRAMEWORK
    private const string SQLITE_DLL = "System.Data.SQLite.DLL";
#else
    internal const string SQLITE_DLL = "SQLite.Interop.059.DLL";
#endif // PLATFORM_COMPACTFRAMEWORK

#else
    private const string SQLITE_DLL = "SQLite.Interop.DLL";
#endif // USE_INTEROP_DLL
#endif

#else
    private const string SQLITE_DLL = "sqlite3";
#endif

    // This section uses interop calls that also fetch text length to optimize conversion.  
    // When using the standard dll, we can replace these calls with normal sqlite calls and do unoptimized conversions instead afterwards
    #region interop added textlength calls
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    internal static extern int sqlite3_open_interop(byte[] utf8Filename, int flags, out IntPtr db);

    [DllImport(SQLITE_DLL)]
    internal static extern int sqlite3_open16_interop(byte[] utf8Filename, int flags, out IntPtr db);

    [DllImport(SQLITE_DLL)]
    internal static extern int sqlite3_reset_interop(IntPtr stmt);

    [DllImport(SQLITE_DLL)]
    internal static extern int sqlite3_initialize_interop();

#endif

    #endregion

    // The standard api call equivalents of the above interop calls
    #region standard versions of interop functions
︙
Deleted bin/CompactFramework/SQLite.Interop.059.DLL.

cannot compute difference between binary files

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cannot compute difference between binary files

Deleted bin/CompactFramework/SQLite.Interop.059.lib.

cannot compute difference between binary files

Changes to bin/CompactFramework/System.Data.SQLite.DLL.

cannot compute difference between binary files

Added bin/CompactFramework/System.Data.SQLite.lib.

cannot compute difference between binary files

Changes to bin/CompactFramework/testce.exe.

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Changes to bin/Designer/SQLite.Designer.dll.

cannot compute difference between binary files

Added bin/Designer/SQLite.Designer.pdb.

cannot compute difference between binary files

Added bin/Designer/System.Data.SQLite.Linq.dll.

cannot compute difference between binary files

Added bin/Designer/System.Data.SQLite.Linq.pdb.

cannot compute difference between binary files

Changes to bin/Designer/install.exe.

cannot compute difference between binary files

Added bin/Designer/install.pdb.

cannot compute difference between binary files

Changes to bin/ManagedOnly/System.Data.SQLite.dll.

cannot compute difference between binary files

Changes to bin/System.Data.SQLite.dll.

cannot compute difference between binary files

Changes to bin/System.Data.SQLite.lib.

cannot compute difference between binary files

Changes to bin/itanium/System.Data.SQLite.DLL.

cannot compute difference between binary files

Changes to bin/itanium/System.Data.SQLite.lib.

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Changes to bin/test.exe.

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Changes to readme.htm. 
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <title></title>
  </head>
  <body>
    ADO.NET 2.0/3.5 SQLite Data Provider<br>
    Version 1.0.59.0 September 22, 2008<br>
    Using SQLite 3.6.3<br>
    ADO.NET 2.0 SQLite Data Provider<br>
    Version 1.0.56.0 August 11, 2008<br>
    Using SQLite 3.6.1<br>
    Written by Robert Simpson (<a href="mailto:robert@blackcastlesoft.com">robert@blackcastlesoft.com</a>)<br>
    Released to the public domain, use at your own risk!<br>
    Official provider website:&nbsp; <a href="http://sqlite.phxsoftware.com">http://sqlite.phxsoftware.com</a><br />
    <br>
    The latest version can be downloaded <a href="http://sourceforge.net/projects/sqlite-dotnet2">
      here</a>
    <br>
︙
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      Visual Studio 2005/2008 Design-Time Support, works with all versions of VS2005/2008,
        including
      all Express Editions of VS2005.&nbsp; You can add a SQLite 
      database to the Servers list, design queries with the Query Designer, 
      drag-and-drop tables onto a Typed DataSet, etc.<LI>
        Full SQLite schema editing inside Visual Studio.&nbsp;
        You can create/edit tables, views, triggers, indexes, check constraints and foreign keys.<LI>
      Single file redistributable (except on Compact Framework).&nbsp; The core sqlite3 codebase and the ADO.NET wrapper 
      Single file redistributable.&nbsp; The core sqlite3 codebase and the ADO.NET wrapper 
      are combined into one multi-module assembly.
      <LI>
              Binaries included for Itanium, x64, x86 and ARM processors.<LI>
      DbProviderFactory support.
      <LI>
        Full support for ATTACH'ed databases.&nbsp; Exposed as <I>Catalogs</I>
      in the schema.&nbsp; When cloning a connection, all attached databases are
︙
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        attributes in an assembly, therefore all user-defined collating sequences and 
        functions must be explicitly registered.</STRONG>&nbsp; See the <STRONG>testce</STRONG>
      sample application for an example of how to explicitly register user-defined 
      collating sequences and functions.</p>
    <h2>
      <b><A name="redist"></A>Distributing The SQLite Engine and ADO.NET Assembly</b></h2>
    <P>
      On the desktop, only the <STRONG>System.Data.SQLite.DLL</STRONG> file needs to be distributed with your 
      Only the <STRONG>System.Data.SQLite.DLL</STRONG> file needs to be distributed with your 
      application(s).&nbsp; This DLL contains both the managed wrapper and the native 
      SQLite3 codebase.&nbsp; For the Compact Framework, you will have to distribute 
      SQLite3 codebase.</P>
      both the CF version of System.Data.SQLite.DLL, as well as the 
      SQLite.Interop.XXX.DLL.&nbsp; This is a breaking change as of 1.0.59.0.&nbsp; 
      Recent Windows Mobile frameworks are not supporting the mixed CF assembly I was 
      building prior to this version.</P>
    <H2><B>Development Notes Regarding the SQLite 3 Source Code</B></H2>
    <p>
      The core sqlite engine is compiled directly from the unmodified source code available
      at the sqlite.org website.&nbsp; Several additional pieces are compiled on top of
      it to extend its functionality, but the core engine's source is not changed.</p>
    <p></p>
    <p>
      <b>Version History</b></p>
    <p><b>1.0.59.0 - September 22, 2008</b></p>
    <ul>
      <li>Code merge with SQLite 3.6.3.&nbsp; Solves 
        a couple different EF issues that were either giving inconsistent results or 
        crashing the engine.</li>
      <li>Fixed the parsing of literal binaries in the EF SqlGen code.&nbsp; SQLite now 
        passes nearly all the testcases in 
        <a href="http://sqlite.phxsoftware.com/forums/p/1377/5921.aspx#5921">Microsoft's EF Query Samples</a> application -- 
        the exception being the <i>datetimeoffset </i>and<i> time</i> constants tests, and tests 
        that use the <i>APPLY </i>keyword which are unsupported for now.</li>
      <li>Revamped the Compact Framework mixed-mode assembly.&nbsp; Tired of playing cat 
        and mouse with the Compact Framework&#39;s support for mixed-mode assemblies.&nbsp; 
        The CF build now requires that you distribute both the System.Data.SQLite 
        library and the paired SQLite.Interop.XXX library.&nbsp;&nbsp; The XXX denotes 
        the build number of the library.</li>
      <li>Implemented a workaround for Vista&#39;s overzealous caching by turning off 
        FILE_FLAG_RANDOM_ACCESS for OS versions above XP.&nbsp; This is implemented 
        as a custom (default override) VFS in the interop.c file, so no changes are made 
        to the SQLite source code.</li>
      <li>Fixed some registry issues in the designer install.exe, which prevented some 
        design-time stuff from working on the Compact Framework when .NET 3.5 was 
        installed.</li>
    </ul>
    <p><b>1.0.58.0 - August 30, 2008</b></p>
    <ul>
      <li>Code merge with SQLite 3.6.2.&nbsp; If only I&#39;d waited one more day to release 
        57!&nbsp; Several LINQ issues have been resolved with this engine release 
        relating to deeply-nested subqueries that the EF SqlGen creates.</li>
      <li>The Rollback SQLiteConnection event no longer requires an open connection in 
        order to subscribe to it.&nbsp; Missed this one in the 57 release.</li>
    </ul>
    <p><b>1.0.57.0 - August 29, 2008</b></p>
    <ul>
      <li>Compiled against 3.6.1 with checkin
        <a href="http://www.sqlite.org/cvstrac/tktview?tn=3300">#3300</a> resolved, 
        which fixes an Entity Framework bug I was seeing.&nbsp; I currently have 3 other 
        tickets out on the engine, which are not yet resolved and relate to EF.</li>
      <li>Fixed decimal types to store and fetch using InvariantCulture.&nbsp; If you&#39;re 
        using decimal datatypes in your database and were affected by the 56 release, 
        please issue an UPDATE &lt;table&gt; SET &lt;column&gt; = REPLACE(&lt;column&gt;, &#39;,&#39;, &#39;.&#39;);&nbsp; 
        to fix the decimal separators.&nbsp; Apologies for not testing that more 
        thoroughly before releasing 56.</li>
      <li>Too many LINQ fixes to list.&nbsp; Fixed views so they generate, 
        fixed the LIMIT clause, implemented additional functionality and removed unnecessary code.</li>
      <li>Fixed foreign key names in the designer so viewing the SQL script on a new 
        unsaved table after renaming it in the properties toolwindow will reflect in the 
        script properly.</li>
      <li>Fixed the Update and Commit events on SQLiteConnection so they don&#39;t require 
        the connection to be opened first.</li>
      <li>Fixed userdef aggregate functions so they play nice with each other when 
        appearing multiple times in the same statement.</li>
      <li>Fixed the editing and saving of default values in the table designer.</li>
      <li>Fixed ForeignKeys schema to support multi-column foreign keys.&nbsp; Also 
        hacked support for them in the table designer, provided two foreign keys in the 
        designer have the same name and reference the same foreign table and different 
        columns.&nbsp; Will implement first-class support for this in the next release.</li>
    </ul>
    <p><b>1.0.56.0 - August 11, 2008</b></p>
    <ul>
      <li>Fixed a bug in the table designer when designing new tables, wherein you had to 
        save the table first before being able to create indexes and foreign keys.</li>
      <li>Tweaks to decimal type handling.&nbsp; The &#39;decimal&#39; type can&#39;t be represented 
        by Int64 or Double (without loss of precision) in SQLite, so we have to fudge it 
        by treating it like a string and converting it back and forth in the provider.&nbsp;
︙
Changes to test/TestCases.cs.
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      if (_fact.GetType().Name.IndexOf("SQLite", StringComparison.OrdinalIgnoreCase) == -1)
        throw new InconclusiveException("Not a SQLite database");
    }

    //[Test(Sequence = 1)]
    internal void ParseTest()
    {
      DataTable tbl = _cnn.GetSchema("ViewColumns");
      DataTable tbl2 = _cnn.GetSchema("Views");

      using (DbCommand cmd = _cnn.CreateCommand())
      {
        cmd.Parameters.Add(cmd.CreateParameter());
        cmd.Parameters[0].Value = 1;

        cmd.Parameters.Add(cmd.CreateParameter());
        cmd.Parameters[1].Value = 1;

        cmd.CommandText = "select * from sqlite_master limit ? offset ?";
        object obj = cmd.ExecuteScalar();

        cmd.CommandText = @"
CREATE TEMP TABLE A(ID INTEGER, BID INTEGER);CREATE TEMP TABLE B(ID INTEGER, MYVAL VARCHAR);
INSERT INTO A (ID, BID) VALUES(2, 1);
INSERT INTO B (ID, MYVAL) VALUES(1,'TEST');
";
        cmd.ExecuteNonQuery();
        
        cmd.CommandText = "select *, (select 1 as c from b where b.id = a.bid) from a;";
        using (DbDataReader reader = cmd.ExecuteReader())
        {
          reader.Read();
        }

        cmd.CommandText = "select a.id as aa from a where (select 1 from (select 1 where 1 = aa));";
        using (DbDataReader reader = cmd.ExecuteReader())
        {
          reader.Read();
        }
        
        cmd.CommandText = "select *, (select count(c) from (select 1 as c from b where b.id = a.bid)) from a;";
        using (DbDataReader reader = cmd.ExecuteReader())
        {
          reader.Read();
        }
      }
    }

    [Test(Sequence = 39)]
    internal void MultipleFunctions()
    {
      using (DbCommand cmd = _cnn.CreateCommand())
      {
        cmd.CommandText = "SELECT MYCOUNT(Field1), MYCOUNT(Field2) FROM TestCase";
        using (DbDataReader reader = cmd.ExecuteReader())
        {
          reader.Read();
        }
      }
    }

    [Test(Sequence = 8)]
    internal void FunctionWithCollation()
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        if (_fact.GetType().Name.IndexOf("SQLite", StringComparison.OrdinalIgnoreCase) == -1)
          cmd.CommandText = "create table datatypetest(id bigint identity primary key, myvalue sql_variant, datetimevalue datetime, decimalvalue decimal)";
        else
          cmd.CommandText = "create table datatypetest(id integer primary key, myvalue sql_variant, datetimevalue datetime, decimalvalue decimal)";

        cmd.ExecuteNonQuery();

        System.Globalization.CultureInfo oldculture = System.Threading.Thread.CurrentThread.CurrentCulture;
        System.Globalization.CultureInfo olduiculture = System.Threading.Thread.CurrentThread.CurrentUICulture;

        // Insert using a different current culture
        System.Threading.Thread.CurrentThread.CurrentCulture = new System.Globalization.CultureInfo("es-ES");
        System.Threading.Thread.CurrentThread.CurrentUICulture = System.Threading.Thread.CurrentThread.CurrentCulture;

        try
        {
          cmd.CommandText = "insert into datatypetest(myvalue, datetimevalue, decimalvalue) values(@p1,@p2,@p3)";
          DbParameter p1 = cmd.CreateParameter();
          DbParameter p2 = cmd.CreateParameter();
          DbParameter p3 = cmd.CreateParameter();
        cmd.CommandText = "insert into datatypetest(myvalue, datetimevalue, decimalvalue) values(@p1,@p2,@p3)";
        DbParameter p1 = cmd.CreateParameter();
        DbParameter p2 = cmd.CreateParameter();
        DbParameter p3 = cmd.CreateParameter();

          cmd.Parameters.Add(p1);
          cmd.Parameters.Add(p2);
          cmd.Parameters.Add(p3);
        cmd.Parameters.Add(p1);
        cmd.Parameters.Add(p2);
        cmd.Parameters.Add(p3);

          p1.ParameterName = "@p1";
          p2.ParameterName = "@p2";
          p3.ParameterName = "@p3";
        p1.ParameterName = "@p1";
        p2.ParameterName = "@p2";
        p3.ParameterName = "@p3";

          p1.Value = 1;
          p2.Value = new DateTime(1753, 1, 1);
          p3.Value = (Decimal)1.05;
          cmd.ExecuteNonQuery();
        p1.Value = 1;
        p2.Value = new DateTime(1753, 1, 1);
        p3.Value = (Decimal)1.05;
        cmd.ExecuteNonQuery();

          p1.ResetDbType();
          p2.ResetDbType();
          p3.ResetDbType();
        p1.ResetDbType();
        p2.ResetDbType();
        p3.ResetDbType();

          p1.Value = "One";
          p2.Value = "2001-01-01";
          p3.Value = (Decimal)1.0;
          cmd.ExecuteNonQuery();
        p1.Value = "One";
        p2.Value = "2001-01-01";
        p3.Value = (Decimal)1.0;
        cmd.ExecuteNonQuery();

          p1.ResetDbType();
          p2.ResetDbType();
          p3.ResetDbType();
        p1.ResetDbType();
        p2.ResetDbType();
        p3.ResetDbType();

          p1.Value = 1.01;
          p2.Value = now;
          p3.Value = (Decimal)9.91;
          cmd.ExecuteNonQuery();
        p1.Value = 1.01;
        p2.Value = now;
        p3.Value = (Decimal)9.91;
        cmd.ExecuteNonQuery();

          // Read using a different current culture
          System.Threading.Thread.CurrentThread.CurrentCulture = new System.Globalization.CultureInfo("en-US");
          System.Threading.Thread.CurrentThread.CurrentUICulture = System.Threading.Thread.CurrentThread.CurrentCulture;

          cmd.CommandText = "select myvalue, datetimevalue, decimalvalue from datatypetest";
          cmd.Parameters.Clear();
          using (DbDataReader reader = cmd.ExecuteReader())
          {
            for (int n = 0; n < 3; n++)
            {
              reader.Read();
              if (reader.GetValue(1).GetType() != reader.GetDateTime(1).GetType()) throw new Exception("DateTime type non-match");
              if (reader.GetValue(2).GetType() != reader.GetDecimal(2).GetType()) throw new Exception("Decimal type non-match");
        cmd.CommandText = "select myvalue, datetimevalue, decimalvalue from datatypetest";
        cmd.Parameters.Clear();
        using (DbDataReader reader = cmd.ExecuteReader())
        {
          for (int n = 0; n < 3; n++)
          {
            reader.Read();
            if (reader.GetValue(1).GetType() != reader.GetDateTime(1).GetType()) throw new Exception("DateTime type non-match");
            if (reader.GetValue(2).GetType() != reader.GetDecimal(2).GetType()) throw new Exception("Decimal type non-match");

              switch (n)
              {
                case 0:
                  if (reader.GetValue(0).GetType() != typeof(long)) throw new Exception("long type non-match");
            switch (n)
            {
              case 0:
                if (reader.GetValue(0).GetType() != typeof(long)) throw new Exception("long type non-match");

                  if (reader.GetValue(0).Equals((long)1) == false) throw new Exception("long value non-match");
                  if (reader.GetValue(1).Equals(new DateTime(1753, 1, 1)) == false) throw new Exception(String.Format("DateTime value non-match expected {0} got {1}", new DateTime(1753, 1, 1), reader.GetValue(1)));
                  if (reader.GetValue(2).Equals((Decimal)1.05) == false) throw new Exception("Decimal value non-match");
                if (reader.GetValue(0).Equals((long)1) == false) throw new Exception("long value non-match");
                if (reader.GetValue(1).Equals(new DateTime(1753, 1, 1)) == false) throw new Exception(String.Format("DateTime value non-match expected {0} got {1}", new DateTime(1753, 1, 1), reader.GetValue(1)));
                if (reader.GetValue(2).Equals((Decimal)1.05) == false) throw new Exception("Decimal value non-match");

                  if (reader.GetValue(0).Equals(reader.GetInt64(0)) == false) throw new Exception(String.Format("long value failed to match itself, {0} and {1}", reader.GetValue(0), reader.GetInt64(0)));
                  if (reader.GetValue(1).Equals(reader.GetDateTime(1)) == false) throw new Exception(String.Format("DateTime failed to match itself {0} and {1}", reader.GetValue(1), reader.GetDateTime(1)));
                  if (reader.GetValue(2).Equals(reader.GetDecimal(2)) == false) throw new Exception(String.Format("Decimal failed to match itself {0} and {1}", reader.GetValue(2), reader.GetDecimal(2)));
                  break;
                case 1:
                  if (reader.GetValue(0).GetType() != typeof(string)) throw new Exception("String type non-match");
                  if (reader.GetValue(0).Equals("One") == false) throw new Exception("String value non-match");
                  if (reader.GetValue(1).Equals(new DateTime(2001, 1, 1)) == false) throw new Exception(String.Format("DateTime value non-match expected {0} got {1}", new DateTime(2001, 1, 1), reader.GetValue(1)));
                  if (reader.GetValue(2).Equals((Decimal)1.0) == false) throw new Exception("Decimal value non-match");
                if (reader.GetValue(0).Equals(reader.GetInt64(0)) == false) throw new Exception(String.Format("long value failed to match itself, {0} and {1}", reader.GetValue(0), reader.GetInt64(0)));
                if (reader.GetValue(1).Equals(reader.GetDateTime(1)) == false) throw new Exception(String.Format("DateTime failed to match itself {0} and {1}", reader.GetValue(1), reader.GetDateTime(1)));
                if (reader.GetValue(2).Equals(reader.GetDecimal(2)) == false) throw new Exception(String.Format("Decimal failed to match itself {0} and {1}", reader.GetValue(2), reader.GetDecimal(2)));
                break;
              case 1:
                if (reader.GetValue(0).GetType() != typeof(string)) throw new Exception("String type non-match");
                if (reader.GetValue(0).Equals("One") == false) throw new Exception("String value non-match");
                if (reader.GetValue(1).Equals(new DateTime(2001, 1, 1)) == false) throw new Exception(String.Format("DateTime value non-match expected {0} got {1}", new DateTime(2001, 1, 1), reader.GetValue(1)));
                if (reader.GetValue(2).Equals((Decimal)1.0) == false) throw new Exception("Decimal value non-match");

                  if (reader.GetString(0) != "One") throw new Exception("String value non-match");
                  if (reader.GetValue(1).Equals(reader.GetDateTime(1)) == false) throw new Exception(String.Format("DateTime failed to match itself {0} and {1}", reader.GetValue(1), reader.GetDateTime(1)));
                  if (reader.GetValue(2).Equals(reader.GetDecimal(2)) == false) throw new Exception(String.Format("Decimal failed to match itself {0} and {1}", reader.GetValue(2), reader.GetDecimal(2)));
                  break;
                case 2:
                  if (reader.GetValue(0).GetType() != typeof(double)) throw new Exception("Double type non-match");
                  if (reader.GetValue(0).Equals(1.01) == false) throw new Exception("Double value non-match");
                  if (reader.GetValue(1).Equals(now) == false) throw new Exception(String.Format("DateTime value non-match, expected {0} got {1}", now, reader.GetValue(1)));
                  if (reader.GetValue(2).Equals((Decimal)9.91) == false) throw new Exception("Decimal value non-match");
                if (reader.GetString(0) != "One") throw new Exception("String value non-match");
                if (reader.GetValue(1).Equals(reader.GetDateTime(1)) == false) throw new Exception(String.Format("DateTime failed to match itself {0} and {1}", reader.GetValue(1), reader.GetDateTime(1)));
                if (reader.GetValue(2).Equals(reader.GetDecimal(2)) == false) throw new Exception(String.Format("Decimal failed to match itself {0} and {1}", reader.GetValue(2), reader.GetDecimal(2)));
                break;
              case 2:
                if (reader.GetValue(0).GetType() != typeof(double)) throw new Exception("Double type non-match");
                if (reader.GetValue(0).Equals(1.01) == false) throw new Exception("Double value non-match");
                if (reader.GetValue(1).Equals(now) == false) throw new Exception(String.Format("DateTime value non-match, expected {0} got {1}", now, reader.GetValue(1)));
                if (reader.GetValue(2).Equals((Decimal)9.91) == false) throw new Exception("Decimal value non-match");

                  if (reader.GetDouble(0) != 1.01) throw new Exception("Double value non-match");
                  if (reader.GetValue(1).Equals(reader.GetDateTime(1)) == false) throw new Exception(String.Format("DateTime failed to match itself {0} and {1}", reader.GetValue(1), reader.GetDateTime(1)));
                  if (reader.GetValue(2).Equals(reader.GetDecimal(2)) == false) throw new Exception(String.Format("Decimal failed to match itself {0} and {1}", reader.GetValue(2), reader.GetDecimal(2)));
                  break;
              }
            }
                if (reader.GetDouble(0) != 1.01) throw new Exception("Double value non-match");
                if (reader.GetValue(1).Equals(reader.GetDateTime(1)) == false) throw new Exception(String.Format("DateTime failed to match itself {0} and {1}", reader.GetValue(1), reader.GetDateTime(1)));
                if (reader.GetValue(2).Equals(reader.GetDecimal(2)) == false) throw new Exception(String.Format("Decimal failed to match itself {0} and {1}", reader.GetValue(2), reader.GetDecimal(2)));
                break;
            }
          }
          }
        }
        finally
        {
          System.Threading.Thread.CurrentThread.CurrentCulture = oldculture;
          System.Threading.Thread.CurrentThread.CurrentUICulture = olduiculture;
        }
      }
    }

    /// <summary>
    /// This is an mean ugly test that leaves a lot of open datareaders out on many connections
    /// to see if the database can survive being cloned a lot and disposed while active readers are up.
︙
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      using (DataTable tbl = DbProviderFactories.GetFactoryClasses())
      {
        foreach (DataRow row in tbl.Rows)
        {
          string prov = row[2].ToString();

          if (prov.IndexOf("SQLite", 0, StringComparison.OrdinalIgnoreCase) != -1
            || prov.IndexOf("SqlClient", 0, StringComparison.OrdinalIgnoreCase) != -1
            //|| prov.IndexOf("SqlClient", 0, StringComparison.OrdinalIgnoreCase) != -1
            )
            _provider.Items.Add(prov);
          if (prov == "System.Data.SQLite") _provider.SelectedItem = prov;
        }
      }
      _connectionString.Text = "Data Source=Test.db3;Pooling=true;FailIfMissing=false";
    }
︙
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    <PlatformTarget>Itanium</PlatformTarget>
    <CodeAnalysisUseTypeNameInSuppression>true</CodeAnalysisUseTypeNameInSuppression>
    <CodeAnalysisModuleSuppressionsFile>GlobalSuppressions.cs</CodeAnalysisModuleSuppressionsFile>
  </PropertyGroup>
  <PropertyGroup>
    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
    <ProductVersion>9.0.30729</ProductVersion>
    <ProductVersion>9.0.30428</ProductVersion>
    <SchemaVersion>2.0</SchemaVersion>
    <ProjectGuid>{E27B1B1E-19C0-45E8-AA74-B6E1C041A130}</ProjectGuid>
    <OutputType>WinExe</OutputType>
    <RootNamespace>test</RootNamespace>
    <AssemblyName>test</AssemblyName>
    <WarningLevel>4</WarningLevel>
    <IsWebBootstrapper>true</IsWebBootstrapper>
︙
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<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="3.5">
  <PropertyGroup>
    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
    <ProductVersion>9.0.30729</ProductVersion>
    <ProductVersion>9.0.30428</ProductVersion>
    <SchemaVersion>2.0</SchemaVersion>
    <ProjectGuid>{B86CE504-C4E4-496F-A0F0-E613BCFD3DF7}</ProjectGuid>
    <OutputType>WinExe</OutputType>
    <AppDesignerFolder>Properties</AppDesignerFolder>
    <RootNamespace>test</RootNamespace>
    <AssemblyName>testce</AssemblyName>
    <ProjectTypeGuids>{4D628B5B-2FBC-4AA6-8C16-197242AEB884};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
    <PlatformFamilyName>PocketPC</PlatformFamilyName>
    <PlatformID>b2c48bd2-963d-4549-9169-1fa021dce484</PlatformID>
    <OSVersion>5.02</OSVersion>
    <PlatformID>3C41C503-53EF-4c2a-8DD4-A8217CAD115E</PlatformID>
    <OSVersion>4.20</OSVersion>
    <DeployDirSuffix>testce</DeployDirSuffix>
    <TargetFrameworkVersion>v2.0</TargetFrameworkVersion>
    <FormFactorID>
    </FormFactorID>
    <StartupObject>
    </StartupObject>
    <DeployDirPrefix>%25CSIDL_PROGRAM_FILES%25</DeployDirPrefix>
    <FileUpgradeFlags>
    </FileUpgradeFlags>
    <OldToolsVersion>2.0</OldToolsVersion>
    <NativePlatformName>Windows Mobile 6 Professional SDK</NativePlatformName>
    <NativePlatformName>Pocket PC 2003</NativePlatformName>
    <UpgradeBackupLocation>
    </UpgradeBackupLocation>
  </PropertyGroup>
  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
    <DebugSymbols>true</DebugSymbols>
    <DebugType>full</DebugType>
    <Optimize>false</Optimize>
︙
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<?xml version="1.0" encoding="utf-8"?>
<configuration>
  <connectionStrings>
    <add name="northwindEntities" connectionString="metadata=res://*/NorthwindModel.csdl|res://*/NorthwindModel.ssdl|res://*/NorthwindModel.msl;provider=System.Data.SQLite;provider connection string=&quot;data source=c:\src\sqlite.net\testlinq\northwind.db&quot;" providerName="System.Data.EntityClient" />
    <add name="northwindEntities1" connectionString="metadata=res://*/Model1.csdl|res://*/Model1.ssdl|res://*/Model1.msl;provider=System.Data.SQLite;provider connection string=&quot;data source=c:\src\sqlite.net\testlinq\northwind.db&quot;" providerName="System.Data.EntityClient" />
    <add name="northwindEFEntities" connectionString="metadata=res://*/NorthwindModel.csdl|res://*/NorthwindModel.ssdl|res://*/NorthwindModel.msl;provider=System.Data.SQLite;provider connection string=&quot;data source=C:\Src\SQLite.NET\testlinq\northwindEF.db&quot;" providerName="System.Data.EntityClient" />
  </connectionStrings>
</configuration>
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//------------------------------------------------------------------------------
// <auto-generated>
//     This code was generated by a tool.
//     Runtime Version:2.0.50727.3053
//
//     Changes to this file may cause incorrect behavior and will be lost if
//     the code is regenerated.
// </auto-generated>
//------------------------------------------------------------------------------

[assembly: global::System.Data.Objects.DataClasses.EdmSchemaAttribute()]
[assembly: global::System.Data.Objects.DataClasses.EdmRelationshipAttribute("northwindEFModel", "FK_Products_CategoryID_CategoryID", "Categories", global::System.Data.Metadata.Edm.RelationshipMultiplicity.ZeroOrOne, typeof(testlinq.Categories), "Products", global::System.Data.Metadata.Edm.RelationshipMultiplicity.Many, typeof(testlinq.Products))]
[assembly: global::System.Data.Objects.DataClasses.EdmRelationshipAttribute("northwindEFModel", "FK_Orders_CustomerID_CustomerID", "Customers", global::System.Data.Metadata.Edm.RelationshipMultiplicity.ZeroOrOne, typeof(testlinq.Customers), "Orders", global::System.Data.Metadata.Edm.RelationshipMultiplicity.Many, typeof(testlinq.Orders))]
[assembly: global::System.Data.Objects.DataClasses.EdmRelationshipAttribute("northwindEFModel", "FK_InternationalOrders_OrderID_OrderID", "Orders", global::System.Data.Metadata.Edm.RelationshipMultiplicity.One, typeof(testlinq.Orders), "InternationalOrders", global::System.Data.Metadata.Edm.RelationshipMultiplicity.ZeroOrOne, typeof(testlinq.InternationalOrders))]
[assembly: global::System.Data.Objects.DataClasses.EdmRelationshipAttribute("northwindEFModel", "FK_OrderDetails_OrderID_OrderID", "Orders", global::System.Data.Metadata.Edm.RelationshipMultiplicity.One, typeof(testlinq.Orders), "OrderDetails", global::System.Data.Metadata.Edm.RelationshipMultiplicity.Many, typeof(testlinq.OrderDetails))]
[assembly: global::System.Data.Objects.DataClasses.EdmRelationshipAttribute("northwindEFModel", "FK_OrderDetails_ProductID_ProductID", "Products", global::System.Data.Metadata.Edm.RelationshipMultiplicity.One, typeof(testlinq.Products), "OrderDetails", global::System.Data.Metadata.Edm.RelationshipMultiplicity.Many, typeof(testlinq.OrderDetails))]
[assembly: global::System.Data.Objects.DataClasses.EdmRelationshipAttribute("northwindEFModel", "FK_Products_SupplierID_SupplierID", "Suppliers", global::System.Data.Metadata.Edm.RelationshipMultiplicity.ZeroOrOne, typeof(testlinq.Suppliers), "Products", global::System.Data.Metadata.Edm.RelationshipMultiplicity.Many, typeof(testlinq.Products))]
[assembly: global::System.Data.Objects.DataClasses.EdmRelationshipAttribute("northwindEFModel", "FK_Territories_RegionID_RegionID", "Regions", global::System.Data.Metadata.Edm.RelationshipMultiplicity.One, typeof(testlinq.Regions), "Territories", global::System.Data.Metadata.Edm.RelationshipMultiplicity.Many, typeof(testlinq.Territories))]
[assembly: global::System.Data.Objects.DataClasses.EdmRelationshipAttribute("northwindEFModel", "EmployeesTerritories", "Employees", global::System.Data.Metadata.Edm.RelationshipMultiplicity.Many, typeof(testlinq.Employees), "Territories", global::System.Data.Metadata.Edm.RelationshipMultiplicity.Many, typeof(testlinq.Territories))]
[assembly: global::System.Data.Objects.DataClasses.EdmRelationshipAttribute("northwindModel", "FK_Products_CategoryID_CategoryID", "Categories", global::System.Data.Metadata.Edm.RelationshipMultiplicity.ZeroOrOne, typeof(testlinq.Categories), "Products", global::System.Data.Metadata.Edm.RelationshipMultiplicity.Many, typeof(testlinq.Products))]
[assembly: global::System.Data.Objects.DataClasses.EdmRelationshipAttribute("northwindModel", "FK_Orders_CustomerID_CustomerID", "Customers", global::System.Data.Metadata.Edm.RelationshipMultiplicity.ZeroOrOne, typeof(testlinq.Customers), "Orders", global::System.Data.Metadata.Edm.RelationshipMultiplicity.Many, typeof(testlinq.Orders))]
[assembly: global::System.Data.Objects.DataClasses.EdmRelationshipAttribute("northwindModel", "FK_Employees_ReportsTo_EmployeeID", "Employees", global::System.Data.Metadata.Edm.RelationshipMultiplicity.ZeroOrOne, typeof(testlinq.Employees), "Employees1", global::System.Data.Metadata.Edm.RelationshipMultiplicity.Many, typeof(testlinq.Employees))]
[assembly: global::System.Data.Objects.DataClasses.EdmRelationshipAttribute("northwindModel", "FK_Orders_EmployeeID_EmployeeID", "Employees", global::System.Data.Metadata.Edm.RelationshipMultiplicity.ZeroOrOne, typeof(testlinq.Employees), "Orders", global::System.Data.Metadata.Edm.RelationshipMultiplicity.Many, typeof(testlinq.Orders))]
[assembly: global::System.Data.Objects.DataClasses.EdmRelationshipAttribute("northwindModel", "FK_Order_Details_OrderID_OrderID", "Orders", global::System.Data.Metadata.Edm.RelationshipMultiplicity.One, typeof(testlinq.Orders), "Order_Details", global::System.Data.Metadata.Edm.RelationshipMultiplicity.Many, typeof(testlinq.Order_Details))]
[assembly: global::System.Data.Objects.DataClasses.EdmRelationshipAttribute("northwindModel", "FK_Order_Details_ProductID_ProductID", "Products", global::System.Data.Metadata.Edm.RelationshipMultiplicity.One, typeof(testlinq.Products), "Order_Details", global::System.Data.Metadata.Edm.RelationshipMultiplicity.Many, typeof(testlinq.Order_Details))]
[assembly: global::System.Data.Objects.DataClasses.EdmRelationshipAttribute("northwindModel", "FK_Orders_ShipVia_ShipperID", "Shippers", global::System.Data.Metadata.Edm.RelationshipMultiplicity.ZeroOrOne, typeof(testlinq.Shippers), "Orders", global::System.Data.Metadata.Edm.RelationshipMultiplicity.Many, typeof(testlinq.Orders))]
[assembly: global::System.Data.Objects.DataClasses.EdmRelationshipAttribute("northwindModel", "FK_Products_SupplierID_SupplierID", "Suppliers", global::System.Data.Metadata.Edm.RelationshipMultiplicity.ZeroOrOne, typeof(testlinq.Suppliers), "Products", global::System.Data.Metadata.Edm.RelationshipMultiplicity.Many, typeof(testlinq.Products))]
[assembly: global::System.Data.Objects.DataClasses.EdmRelationshipAttribute("northwindModel", "FK_Territories_RegionID_RegionID", "Region", global::System.Data.Metadata.Edm.RelationshipMultiplicity.One, typeof(testlinq.Region), "Territories", global::System.Data.Metadata.Edm.RelationshipMultiplicity.Many, typeof(testlinq.Territories))]
[assembly: global::System.Data.Objects.DataClasses.EdmRelationshipAttribute("northwindModel", "CustomerCustomerDemo", "Customers", global::System.Data.Metadata.Edm.RelationshipMultiplicity.Many, typeof(testlinq.Customers), "CustomerDemographics", global::System.Data.Metadata.Edm.RelationshipMultiplicity.Many, typeof(testlinq.CustomerDemographics))]
[assembly: global::System.Data.Objects.DataClasses.EdmRelationshipAttribute("northwindModel", "EmployeeTerritories", "Employees", global::System.Data.Metadata.Edm.RelationshipMultiplicity.Many, typeof(testlinq.Employees), "Territories", global::System.Data.Metadata.Edm.RelationshipMultiplicity.Many, typeof(testlinq.Territories))]

// Original file name:
// Generation date: 8/25/2008 8:54:05 AM
// Generation date: 8/11/2008 1:35:38 PM
namespace testlinq
{
    
    /// <summary>
    /// There are no comments for northwindEFEntities in the schema.
    /// There are no comments for northwindEntities in the schema.
    /// </summary>
    public partial class northwindEFEntities : global::System.Data.Objects.ObjectContext
    public partial class northwindEntities : global::System.Data.Objects.ObjectContext
    {
        /// <summary>
        /// Initializes a new northwindEFEntities object using the connection string found in the 'northwindEFEntities' section of the application configuration file.
        /// Initializes a new northwindEntities object using the connection string found in the 'northwindEntities' section of the application configuration file.
        /// </summary>
        public northwindEFEntities() : 
                base("name=northwindEFEntities", "northwindEFEntities")
        public northwindEntities() : 
                base("name=northwindEntities", "northwindEntities")
        {
            this.OnContextCreated();
        }
        /// <summary>
        /// Initialize a new northwindEFEntities object.
        /// Initialize a new northwindEntities object.
        /// </summary>
        public northwindEFEntities(string connectionString) : 
                base(connectionString, "northwindEFEntities")
        public northwindEntities(string connectionString) : 
                base(connectionString, "northwindEntities")
        {
            this.OnContextCreated();
        }
        /// <summary>
        /// Initialize a new northwindEFEntities object.
        /// Initialize a new northwindEntities object.
        /// </summary>
        public northwindEFEntities(global::System.Data.EntityClient.EntityConnection connection) : 
                base(connection, "northwindEFEntities")
        public northwindEntities(global::System.Data.EntityClient.EntityConnection connection) : 
                base(connection, "northwindEntities")
        {
            this.OnContextCreated();
        }
        partial void OnContextCreated();
        /// <summary>
        /// There are no comments for Categories in the schema.
        /// </summary>
        public global::System.Data.Objects.ObjectQuery<Categories> Categories
        {
            get
            {
                if ((this._Categories == null))
                {
                    this._Categories = base.CreateQuery<Categories>("[Categories]");
                }
                return this._Categories;
            }
        }
        private global::System.Data.Objects.ObjectQuery<Categories> _Categories;
        /// <summary>
        /// There are no comments for CustomerDemographics in the schema.
        /// </summary>
        public global::System.Data.Objects.ObjectQuery<CustomerDemographics> CustomerDemographics
        {
            get
            {
                if ((this._CustomerDemographics == null))
                {
                    this._CustomerDemographics = base.CreateQuery<CustomerDemographics>("[CustomerDemographics]");
                }
                return this._CustomerDemographics;
            }
        }
        private global::System.Data.Objects.ObjectQuery<CustomerDemographics> _CustomerDemographics;
        /// <summary>
        /// There are no comments for Customers in the schema.
        /// </summary>
        public global::System.Data.Objects.ObjectQuery<Customers> Customers
        {
            get
            {
                if ((this._Customers == null))
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                    this._Employees = base.CreateQuery<Employees>("[Employees]");
                }
                return this._Employees;
            }
        }
        private global::System.Data.Objects.ObjectQuery<Employees> _Employees;
        /// <summary>
        /// There are no comments for InternationalOrders in the schema.
        /// </summary>
        public global::System.Data.Objects.ObjectQuery<InternationalOrders> InternationalOrders
        {
            get
            {
                if ((this._InternationalOrders == null))
                {
                    this._InternationalOrders = base.CreateQuery<InternationalOrders>("[InternationalOrders]");
                }
                return this._InternationalOrders;
            }
        }
        private global::System.Data.Objects.ObjectQuery<InternationalOrders> _InternationalOrders;
        /// <summary>
        /// There are no comments for OrderDetails in the schema.
        /// There are no comments for Order_Details in the schema.
        /// </summary>
        public global::System.Data.Objects.ObjectQuery<OrderDetails> OrderDetails
        public global::System.Data.Objects.ObjectQuery<Order_Details> Order_Details
        {
            get
            {
                if ((this._OrderDetails == null))
                if ((this._Order_Details == null))
                {
                    this._OrderDetails = base.CreateQuery<OrderDetails>("[OrderDetails]");
                    this._Order_Details = base.CreateQuery<Order_Details>("[Order_Details]");
                }
                return this._OrderDetails;
                return this._Order_Details;
            }
        }
        private global::System.Data.Objects.ObjectQuery<OrderDetails> _OrderDetails;
        private global::System.Data.Objects.ObjectQuery<Order_Details> _Order_Details;
        /// <summary>
        /// There are no comments for Orders in the schema.
        /// </summary>
        public global::System.Data.Objects.ObjectQuery<Orders> Orders
        {
            get
            {
                if ((this._Orders == null))
                {
                    this._Orders = base.CreateQuery<Orders>("[Orders]");
                }
                return this._Orders;
            }
        }
        private global::System.Data.Objects.ObjectQuery<Orders> _Orders;
        /// <summary>
        /// There are no comments for PreviousEmployees in the schema.
        /// </summary>
        public global::System.Data.Objects.ObjectQuery<PreviousEmployees> PreviousEmployees
        {
            get
            {
                if ((this._PreviousEmployees == null))
                {
                    this._PreviousEmployees = base.CreateQuery<PreviousEmployees>("[PreviousEmployees]");
                }
                return this._PreviousEmployees;
            }
        }
        private global::System.Data.Objects.ObjectQuery<PreviousEmployees> _PreviousEmployees;
        /// <summary>
        /// There are no comments for Products in the schema.
        /// </summary>
        public global::System.Data.Objects.ObjectQuery<Products> Products
        {
            get
            {
                if ((this._Products == null))
                {
                    this._Products = base.CreateQuery<Products>("[Products]");
                }
                return this._Products;
            }
        }
        private global::System.Data.Objects.ObjectQuery<Products> _Products;
        /// <summary>
        /// There are no comments for Regions in the schema.
        /// There are no comments for Region in the schema.
        /// </summary>
        public global::System.Data.Objects.ObjectQuery<Regions> Regions
        public global::System.Data.Objects.ObjectQuery<Region> Region
        {
            get
            {
                if ((this._Regions == null))
                if ((this._Region == null))
                {
                    this._Regions = base.CreateQuery<Regions>("[Regions]");
                    this._Region = base.CreateQuery<Region>("[Region]");
                }
                return this._Regions;
                return this._Region;
            }
        }
        private global::System.Data.Objects.ObjectQuery<Regions> _Regions;
        private global::System.Data.Objects.ObjectQuery<Region> _Region;
        /// <summary>
        /// There are no comments for Shippers in the schema.
        /// </summary>
        public global::System.Data.Objects.ObjectQuery<Shippers> Shippers
        {
            get
            {
                if ((this._Shippers == null))
                {
                    this._Shippers = base.CreateQuery<Shippers>("[Shippers]");
                }
                return this._Shippers;
            }
        }
        private global::System.Data.Objects.ObjectQuery<Shippers> _Shippers;
        /// <summary>
        /// There are no comments for Suppliers in the schema.
        /// </summary>
        public global::System.Data.Objects.ObjectQuery<Suppliers> Suppliers
        {
            get
            {
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        /// <summary>
        /// There are no comments for Categories in the schema.
        /// </summary>
        public void AddToCategories(Categories categories)
        {
            base.AddObject("Categories", categories);
        }
        /// <summary>
        /// There are no comments for CustomerDemographics in the schema.
        /// </summary>
        public void AddToCustomerDemographics(CustomerDemographics customerDemographics)
        {
            base.AddObject("CustomerDemographics", customerDemographics);
        }
        /// <summary>
        /// There are no comments for Customers in the schema.
        /// </summary>
        public void AddToCustomers(Customers customers)
        {
            base.AddObject("Customers", customers);
        }
        /// <summary>
        /// There are no comments for Employees in the schema.
        /// </summary>
        public void AddToEmployees(Employees employees)
        {
            base.AddObject("Employees", employees);
        }
        /// <summary>
        /// There are no comments for InternationalOrders in the schema.
        /// </summary>
        public void AddToInternationalOrders(InternationalOrders internationalOrders)
        {
            base.AddObject("InternationalOrders", internationalOrders);
        }
        /// <summary>
        /// There are no comments for OrderDetails in the schema.
        /// There are no comments for Order_Details in the schema.
        /// </summary>
        public void AddToOrderDetails(OrderDetails orderDetails)
        public void AddToOrder_Details(Order_Details order_Details)
        {
            base.AddObject("OrderDetails", orderDetails);
            base.AddObject("Order_Details", order_Details);
        }
        /// <summary>
        /// There are no comments for Orders in the schema.
        /// </summary>
        public void AddToOrders(Orders orders)
        {
            base.AddObject("Orders", orders);
        }
        /// <summary>
        /// There are no comments for PreviousEmployees in the schema.
        /// </summary>
        public void AddToPreviousEmployees(PreviousEmployees previousEmployees)
        {
            base.AddObject("PreviousEmployees", previousEmployees);
        }
        /// <summary>
        /// There are no comments for Products in the schema.
        /// </summary>
        public void AddToProducts(Products products)
        {
            base.AddObject("Products", products);
        }
        /// <summary>
        /// There are no comments for Regions in the schema.
        /// There are no comments for Region in the schema.
        /// </summary>
        public void AddToRegions(Regions regions)
        public void AddToRegion(Region region)
        {
            base.AddObject("Regions", regions);
            base.AddObject("Region", region);
        }
        /// <summary>
        /// There are no comments for Shippers in the schema.
        /// </summary>
        public void AddToShippers(Shippers shippers)
        {
            base.AddObject("Shippers", shippers);
        }
        /// <summary>
        /// There are no comments for Suppliers in the schema.
        /// </summary>
        public void AddToSuppliers(Suppliers suppliers)
        {
            base.AddObject("Suppliers", suppliers);
        }
        /// <summary>
        /// There are no comments for Territories in the schema.
        /// </summary>
        public void AddToTerritories(Territories territories)
        {
            base.AddObject("Territories", territories);
        }
    }
    /// <summary>
    /// There are no comments for northwindEFModel.Categories in the schema.
    /// There are no comments for northwindModel.Categories in the schema.
    /// </summary>
    /// <KeyProperties>
    /// CategoryID
    /// </KeyProperties>
    [global::System.Data.Objects.DataClasses.EdmEntityTypeAttribute(NamespaceName="northwindEFModel", Name="Categories")]
    [global::System.Data.Objects.DataClasses.EdmEntityTypeAttribute(NamespaceName="northwindModel", Name="Categories")]
    [global::System.Runtime.Serialization.DataContractAttribute(IsReference=true)]
    [global::System.Serializable()]
    public partial class Categories : global::System.Data.Objects.DataClasses.EntityObject
    {
        /// <summary>
        /// Create a new Categories object.
        /// </summary>
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        }
        private byte[] _Picture;
        partial void OnPictureChanging(byte[] value);
        partial void OnPictureChanged();
        /// <summary>
        /// There are no comments for Products in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmRelationshipNavigationPropertyAttribute("northwindEFModel", "FK_Products_CategoryID_CategoryID", "Products")]
        [global::System.Data.Objects.DataClasses.EdmRelationshipNavigationPropertyAttribute("northwindModel", "FK_Products_CategoryID_CategoryID", "Products")]
        [global::System.Xml.Serialization.XmlIgnoreAttribute()]
        [global::System.Xml.Serialization.SoapIgnoreAttribute()]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public global::System.Data.Objects.DataClasses.EntityCollection<Products> Products
        {
            get
            {
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedCollection<Products>("northwindEFModel.FK_Products_CategoryID_CategoryID", "Products");
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedCollection<Products>("northwindModel.FK_Products_CategoryID_CategoryID", "Products");
            }
            set
            {
                if ((value != null))
                {
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedCollection<Products>("northwindModel.FK_Products_CategoryID_CategoryID", "Products", value);
                }
            }
        }
    }
    /// <summary>
    /// There are no comments for northwindModel.CustomerDemographics in the schema.
    /// </summary>
    /// <KeyProperties>
    /// CustomerTypeID
    /// </KeyProperties>
    [global::System.Data.Objects.DataClasses.EdmEntityTypeAttribute(NamespaceName="northwindModel", Name="CustomerDemographics")]
    [global::System.Runtime.Serialization.DataContractAttribute(IsReference=true)]
    [global::System.Serializable()]
    public partial class CustomerDemographics : global::System.Data.Objects.DataClasses.EntityObject
    {
        /// <summary>
        /// Create a new CustomerDemographics object.
        /// </summary>
        /// <param name="customerTypeID">Initial value of CustomerTypeID.</param>
        public static CustomerDemographics CreateCustomerDemographics(string customerTypeID)
        {
            CustomerDemographics customerDemographics = new CustomerDemographics();
            customerDemographics.CustomerTypeID = customerTypeID;
            return customerDemographics;
        }
        /// <summary>
        /// There are no comments for Property CustomerTypeID in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmScalarPropertyAttribute(EntityKeyProperty=true, IsNullable=false)]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public string CustomerTypeID
        {
            get
            {
                return this._CustomerTypeID;
            }
            set
            {
                this.OnCustomerTypeIDChanging(value);
                this.ReportPropertyChanging("CustomerTypeID");
                this._CustomerTypeID = global::System.Data.Objects.DataClasses.StructuralObject.SetValidValue(value, false);
                this.ReportPropertyChanged("CustomerTypeID");
                this.OnCustomerTypeIDChanged();
            }
        }
        private string _CustomerTypeID;
        partial void OnCustomerTypeIDChanging(string value);
        partial void OnCustomerTypeIDChanged();
        /// <summary>
        /// There are no comments for Property CustomerDesc in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmScalarPropertyAttribute()]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public string CustomerDesc
        {
            get
            {
                return this._CustomerDesc;
            }
            set
            {
                this.OnCustomerDescChanging(value);
                this.ReportPropertyChanging("CustomerDesc");
                this._CustomerDesc = global::System.Data.Objects.DataClasses.StructuralObject.SetValidValue(value, true);
                this.ReportPropertyChanged("CustomerDesc");
                this.OnCustomerDescChanged();
            }
        }
        private string _CustomerDesc;
        partial void OnCustomerDescChanging(string value);
        partial void OnCustomerDescChanged();
        /// <summary>
        /// There are no comments for Customers in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmRelationshipNavigationPropertyAttribute("northwindModel", "CustomerCustomerDemo", "Customers")]
        [global::System.Xml.Serialization.XmlIgnoreAttribute()]
        [global::System.Xml.Serialization.SoapIgnoreAttribute()]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public global::System.Data.Objects.DataClasses.EntityCollection<Customers> Customers
        {
            get
            {
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedCollection<Customers>("northwindModel.CustomerCustomerDemo", "Customers");
            }
            set
            {
                if ((value != null))
                {
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedCollection<Products>("northwindEFModel.FK_Products_CategoryID_CategoryID", "Products", value);
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedCollection<Customers>("northwindModel.CustomerCustomerDemo", "Customers", value);
                }
            }
        }
    }
    /// <summary>
    /// There are no comments for northwindEFModel.Customers in the schema.
    /// There are no comments for northwindModel.Customers in the schema.
    /// </summary>
    /// <KeyProperties>
    /// CustomerID
    /// </KeyProperties>
    [global::System.Data.Objects.DataClasses.EdmEntityTypeAttribute(NamespaceName="northwindEFModel", Name="Customers")]
    [global::System.Data.Objects.DataClasses.EdmEntityTypeAttribute(NamespaceName="northwindModel", Name="Customers")]
    [global::System.Runtime.Serialization.DataContractAttribute(IsReference=true)]
    [global::System.Serializable()]
    public partial class Customers : global::System.Data.Objects.DataClasses.EntityObject
    {
        /// <summary>
        /// Create a new Customers object.
        /// </summary>
︙
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        }
        private string _Fax;
        partial void OnFaxChanging(string value);
        partial void OnFaxChanged();
        /// <summary>
        /// There are no comments for Orders in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmRelationshipNavigationPropertyAttribute("northwindEFModel", "FK_Orders_CustomerID_CustomerID", "Orders")]
        [global::System.Data.Objects.DataClasses.EdmRelationshipNavigationPropertyAttribute("northwindModel", "FK_Orders_CustomerID_CustomerID", "Orders")]
        [global::System.Xml.Serialization.XmlIgnoreAttribute()]
        [global::System.Xml.Serialization.SoapIgnoreAttribute()]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public global::System.Data.Objects.DataClasses.EntityCollection<Orders> Orders
        {
            get
            {
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedCollection<Orders>("northwindEFModel.FK_Orders_CustomerID_CustomerID", "Orders");
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedCollection<Orders>("northwindModel.FK_Orders_CustomerID_CustomerID", "Orders");
            }
            set
            {
                if ((value != null))
                {
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedCollection<Orders>("northwindModel.FK_Orders_CustomerID_CustomerID", "Orders", value);
                }
            }
        }
        /// <summary>
        /// There are no comments for CustomerDemographics in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmRelationshipNavigationPropertyAttribute("northwindModel", "CustomerCustomerDemo", "CustomerDemographics")]
        [global::System.Xml.Serialization.XmlIgnoreAttribute()]
        [global::System.Xml.Serialization.SoapIgnoreAttribute()]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public global::System.Data.Objects.DataClasses.EntityCollection<CustomerDemographics> CustomerDemographics
        {
            get
            {
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedCollection<CustomerDemographics>("northwindModel.CustomerCustomerDemo", "CustomerDemographics");
            }
            set
            {
                if ((value != null))
                {
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedCollection<Orders>("northwindEFModel.FK_Orders_CustomerID_CustomerID", "Orders", value);
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedCollection<CustomerDemographics>("northwindModel.CustomerCustomerDemo", "CustomerDemographics", value);
                }
            }
        }
    }
    /// <summary>
    /// There are no comments for northwindEFModel.Employees in the schema.
    /// There are no comments for northwindModel.Employees in the schema.
    /// </summary>
    /// <KeyProperties>
    /// EmployeeID
    /// </KeyProperties>
    [global::System.Data.Objects.DataClasses.EdmEntityTypeAttribute(NamespaceName="northwindEFModel", Name="Employees")]
    [global::System.Data.Objects.DataClasses.EdmEntityTypeAttribute(NamespaceName="northwindModel", Name="Employees")]
    [global::System.Runtime.Serialization.DataContractAttribute(IsReference=true)]
    [global::System.Serializable()]
    public partial class Employees : global::System.Data.Objects.DataClasses.EntityObject
    {
        /// <summary>
        /// Create a new Employees object.
        /// </summary>
︙
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                this.ReportPropertyChanged("PhotoPath");
                this.OnPhotoPathChanged();
            }
        }
        private string _PhotoPath;
        partial void OnPhotoPathChanging(string value);
        partial void OnPhotoPathChanged();
        /// <summary>
        /// There are no comments for Employees1 in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmRelationshipNavigationPropertyAttribute("northwindModel", "FK_Employees_ReportsTo_EmployeeID", "Employees1")]
        [global::System.Xml.Serialization.XmlIgnoreAttribute()]
        [global::System.Xml.Serialization.SoapIgnoreAttribute()]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public global::System.Data.Objects.DataClasses.EntityCollection<Employees> Employees1
        {
            get
            {
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedCollection<Employees>("northwindModel.FK_Employees_ReportsTo_EmployeeID", "Employees1");
            }
            set
            {
                if ((value != null))
                {
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedCollection<Employees>("northwindModel.FK_Employees_ReportsTo_EmployeeID", "Employees1", value);
                }
            }
        }
        /// <summary>
        /// There are no comments for Employees2 in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmRelationshipNavigationPropertyAttribute("northwindModel", "FK_Employees_ReportsTo_EmployeeID", "Employees")]
        [global::System.Xml.Serialization.XmlIgnoreAttribute()]
        [global::System.Xml.Serialization.SoapIgnoreAttribute()]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public Employees Employees2
        {
            get
            {
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Employees>("northwindModel.FK_Employees_ReportsTo_EmployeeID", "Employees").Value;
            }
            set
            {
                ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Employees>("northwindModel.FK_Employees_ReportsTo_EmployeeID", "Employees").Value = value;
            }
        }
        /// <summary>
        /// There are no comments for Employees2 in the schema.
        /// </summary>
        [global::System.ComponentModel.BrowsableAttribute(false)]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public global::System.Data.Objects.DataClasses.EntityReference<Employees> Employees2Reference
        {
            get
            {
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Employees>("northwindModel.FK_Employees_ReportsTo_EmployeeID", "Employees");
            }
            set
            {
                if ((value != null))
                {
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedReference<Employees>("northwindModel.FK_Employees_ReportsTo_EmployeeID", "Employees", value);
                }
            }
        }
        /// <summary>
        /// There are no comments for Orders in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmRelationshipNavigationPropertyAttribute("northwindModel", "FK_Orders_EmployeeID_EmployeeID", "Orders")]
        [global::System.Xml.Serialization.XmlIgnoreAttribute()]
        [global::System.Xml.Serialization.SoapIgnoreAttribute()]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public global::System.Data.Objects.DataClasses.EntityCollection<Orders> Orders
        {
            get
            {
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedCollection<Orders>("northwindModel.FK_Orders_EmployeeID_EmployeeID", "Orders");
            }
            set
            {
                if ((value != null))
                {
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedCollection<Orders>("northwindModel.FK_Orders_EmployeeID_EmployeeID", "Orders", value);
                }
            }
        }
        /// <summary>
        /// There are no comments for Territories in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmRelationshipNavigationPropertyAttribute("northwindEFModel", "EmployeesTerritories", "Territories")]
        [global::System.Data.Objects.DataClasses.EdmRelationshipNavigationPropertyAttribute("northwindModel", "EmployeeTerritories", "Territories")]
        [global::System.Xml.Serialization.XmlIgnoreAttribute()]
        [global::System.Xml.Serialization.SoapIgnoreAttribute()]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public global::System.Data.Objects.DataClasses.EntityCollection<Territories> Territories
        {
            get
            {
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedCollection<Territories>("northwindEFModel.EmployeesTerritories", "Territories");
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedCollection<Territories>("northwindModel.EmployeeTerritories", "Territories");
            }
            set
            {
                if ((value != null))
                {
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedCollection<Territories>("northwindEFModel.EmployeesTerritories", "Territories", value);
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedCollection<Territories>("northwindModel.EmployeeTerritories", "Territories", value);
                }
            }
        }
    }
    /// <summary>
    /// There are no comments for northwindEFModel.InternationalOrders in the schema.
    /// </summary>
    /// <KeyProperties>
    /// OrderID
    /// </KeyProperties>
    [global::System.Data.Objects.DataClasses.EdmEntityTypeAttribute(NamespaceName="northwindEFModel", Name="InternationalOrders")]
    [global::System.Runtime.Serialization.DataContractAttribute(IsReference=true)]
    [global::System.Serializable()]
    public partial class InternationalOrders : global::System.Data.Objects.DataClasses.EntityObject
    {
        /// <summary>
        /// Create a new InternationalOrders object.
        /// </summary>
        /// <param name="orderID">Initial value of OrderID.</param>
        /// <param name="customsDescription">Initial value of CustomsDescription.</param>
        /// <param name="exciseTax">Initial value of ExciseTax.</param>
        public static InternationalOrders CreateInternationalOrders(long orderID, string customsDescription, decimal exciseTax)
        {
            InternationalOrders internationalOrders = new InternationalOrders();
            internationalOrders.OrderID = orderID;
            internationalOrders.CustomsDescription = customsDescription;
            internationalOrders.ExciseTax = exciseTax;
            return internationalOrders;
        }
        /// <summary>
        /// There are no comments for Property OrderID in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmScalarPropertyAttribute(EntityKeyProperty=true, IsNullable=false)]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public long OrderID
        {
            get
            {
                return this._OrderID;
            }
            set
            {
                this.OnOrderIDChanging(value);
                this.ReportPropertyChanging("OrderID");
                this._OrderID = global::System.Data.Objects.DataClasses.StructuralObject.SetValidValue(value);
                this.ReportPropertyChanged("OrderID");
                this.OnOrderIDChanged();
            }
        }
        private long _OrderID;
        partial void OnOrderIDChanging(long value);
        partial void OnOrderIDChanged();
        /// <summary>
        /// There are no comments for Property CustomsDescription in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmScalarPropertyAttribute(IsNullable=false)]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public string CustomsDescription
        {
            get
            {
                return this._CustomsDescription;
            }
            set
            {
                this.OnCustomsDescriptionChanging(value);
                this.ReportPropertyChanging("CustomsDescription");
                this._CustomsDescription = global::System.Data.Objects.DataClasses.StructuralObject.SetValidValue(value, false);
                this.ReportPropertyChanged("CustomsDescription");
                this.OnCustomsDescriptionChanged();
            }
        }
        private string _CustomsDescription;
        partial void OnCustomsDescriptionChanging(string value);
        partial void OnCustomsDescriptionChanged();
        /// <summary>
        /// There are no comments for Property ExciseTax in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmScalarPropertyAttribute(IsNullable=false)]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public decimal ExciseTax
        {
            get
            {
                return this._ExciseTax;
            }
            set
            {
                this.OnExciseTaxChanging(value);
                this.ReportPropertyChanging("ExciseTax");
                this._ExciseTax = global::System.Data.Objects.DataClasses.StructuralObject.SetValidValue(value);
                this.ReportPropertyChanged("ExciseTax");
                this.OnExciseTaxChanged();
            }
        }
        private decimal _ExciseTax;
        partial void OnExciseTaxChanging(decimal value);
        partial void OnExciseTaxChanged();
        /// <summary>
        /// There are no comments for Orders in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmRelationshipNavigationPropertyAttribute("northwindEFModel", "FK_InternationalOrders_OrderID_OrderID", "Orders")]
        [global::System.Xml.Serialization.XmlIgnoreAttribute()]
        [global::System.Xml.Serialization.SoapIgnoreAttribute()]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public Orders Orders
        {
            get
            {
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Orders>("northwindEFModel.FK_InternationalOrders_OrderID_OrderID", "Orders").Value;
            }
            set
            {
                ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Orders>("northwindEFModel.FK_InternationalOrders_OrderID_OrderID", "Orders").Value = value;
            }
        }
        /// <summary>
        /// There are no comments for Orders in the schema.
        /// </summary>
        [global::System.ComponentModel.BrowsableAttribute(false)]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public global::System.Data.Objects.DataClasses.EntityReference<Orders> OrdersReference
        {
            get
            {
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Orders>("northwindEFModel.FK_InternationalOrders_OrderID_OrderID", "Orders");
            }
            set
            {
                if ((value != null))
                {
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedReference<Orders>("northwindEFModel.FK_InternationalOrders_OrderID_OrderID", "Orders", value);
                }
            }
        }
    }
    /// <summary>
    /// There are no comments for northwindEFModel.OrderDetails in the schema.
    /// There are no comments for northwindModel.Order_Details in the schema.
    /// </summary>
    /// <KeyProperties>
    /// OrderID
    /// ProductID
    /// </KeyProperties>
    [global::System.Data.Objects.DataClasses.EdmEntityTypeAttribute(NamespaceName="northwindEFModel", Name="OrderDetails")]
    [global::System.Data.Objects.DataClasses.EdmEntityTypeAttribute(NamespaceName="northwindModel", Name="Order_Details")]
    [global::System.Runtime.Serialization.DataContractAttribute(IsReference=true)]
    [global::System.Serializable()]
    public partial class OrderDetails : global::System.Data.Objects.DataClasses.EntityObject
    public partial class Order_Details : global::System.Data.Objects.DataClasses.EntityObject
    {
        /// <summary>
        /// Create a new OrderDetails object.
        /// Create a new Order_Details object.
        /// </summary>
        /// <param name="orderID">Initial value of OrderID.</param>
        /// <param name="productID">Initial value of ProductID.</param>
        /// <param name="unitPrice">Initial value of UnitPrice.</param>
        /// <param name="quantity">Initial value of Quantity.</param>
        /// <param name="discount">Initial value of Discount.</param>
        public static OrderDetails CreateOrderDetails(long orderID, long productID, decimal unitPrice, short quantity, float discount)
        public static Order_Details CreateOrder_Details(long orderID, long productID, decimal unitPrice, short quantity, float discount)
        {
            OrderDetails orderDetails = new OrderDetails();
            orderDetails.OrderID = orderID;
            orderDetails.ProductID = productID;
            orderDetails.UnitPrice = unitPrice;
            orderDetails.Quantity = quantity;
            orderDetails.Discount = discount;
            return orderDetails;
            Order_Details order_Details = new Order_Details();
            order_Details.OrderID = orderID;
            order_Details.ProductID = productID;
            order_Details.UnitPrice = unitPrice;
            order_Details.Quantity = quantity;
            order_Details.Discount = discount;
            return order_Details;
        }
        /// <summary>
        /// There are no comments for Property OrderID in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmScalarPropertyAttribute(EntityKeyProperty=true, IsNullable=false)]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public long OrderID
︙
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        }
        private float _Discount;
        partial void OnDiscountChanging(float value);
        partial void OnDiscountChanged();
        /// <summary>
        /// There are no comments for Orders in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmRelationshipNavigationPropertyAttribute("northwindEFModel", "FK_OrderDetails_OrderID_OrderID", "Orders")]
        [global::System.Data.Objects.DataClasses.EdmRelationshipNavigationPropertyAttribute("northwindModel", "FK_Order_Details_OrderID_OrderID", "Orders")]
        [global::System.Xml.Serialization.XmlIgnoreAttribute()]
        [global::System.Xml.Serialization.SoapIgnoreAttribute()]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public Orders Orders
        {
            get
            {
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Orders>("northwindEFModel.FK_OrderDetails_OrderID_OrderID", "Orders").Value;
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Orders>("northwindModel.FK_Order_Details_OrderID_OrderID", "Orders").Value;
            }
            set
            {
                ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Orders>("northwindEFModel.FK_OrderDetails_OrderID_OrderID", "Orders").Value = value;
                ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Orders>("northwindModel.FK_Order_Details_OrderID_OrderID", "Orders").Value = value;
            }
        }
        /// <summary>
        /// There are no comments for Orders in the schema.
        /// </summary>
        [global::System.ComponentModel.BrowsableAttribute(false)]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public global::System.Data.Objects.DataClasses.EntityReference<Orders> OrdersReference
        {
            get
            {
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Orders>("northwindEFModel.FK_OrderDetails_OrderID_OrderID", "Orders");
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Orders>("northwindModel.FK_Order_Details_OrderID_OrderID", "Orders");
            }
            set
            {
                if ((value != null))
                {
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedReference<Orders>("northwindEFModel.FK_OrderDetails_OrderID_OrderID", "Orders", value);
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedReference<Orders>("northwindModel.FK_Order_Details_OrderID_OrderID", "Orders", value);
                }
            }
        }
        /// <summary>
        /// There are no comments for Products in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmRelationshipNavigationPropertyAttribute("northwindEFModel", "FK_OrderDetails_ProductID_ProductID", "Products")]
        [global::System.Data.Objects.DataClasses.EdmRelationshipNavigationPropertyAttribute("northwindModel", "FK_Order_Details_ProductID_ProductID", "Products")]
        [global::System.Xml.Serialization.XmlIgnoreAttribute()]
        [global::System.Xml.Serialization.SoapIgnoreAttribute()]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public Products Products
        {
            get
            {
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Products>("northwindEFModel.FK_OrderDetails_ProductID_ProductID", "Products").Value;
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Products>("northwindModel.FK_Order_Details_ProductID_ProductID", "Products").Value;
            }
            set
            {
                ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Products>("northwindEFModel.FK_OrderDetails_ProductID_ProductID", "Products").Value = value;
                ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Products>("northwindModel.FK_Order_Details_ProductID_ProductID", "Products").Value = value;
            }
        }
        /// <summary>
        /// There are no comments for Products in the schema.
        /// </summary>
        [global::System.ComponentModel.BrowsableAttribute(false)]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public global::System.Data.Objects.DataClasses.EntityReference<Products> ProductsReference
        {
            get
            {
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Products>("northwindEFModel.FK_OrderDetails_ProductID_ProductID", "Products");
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Products>("northwindModel.FK_Order_Details_ProductID_ProductID", "Products");
            }
            set
            {
                if ((value != null))
                {
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedReference<Products>("northwindEFModel.FK_OrderDetails_ProductID_ProductID", "Products", value);
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedReference<Products>("northwindModel.FK_Order_Details_ProductID_ProductID", "Products", value);
                }
            }
        }
    }
    /// <summary>
    /// There are no comments for northwindEFModel.Orders in the schema.
    /// There are no comments for northwindModel.Orders in the schema.
    /// </summary>
    /// <KeyProperties>
    /// OrderID
    /// </KeyProperties>
    [global::System.Data.Objects.DataClasses.EdmEntityTypeAttribute(NamespaceName="northwindEFModel", Name="Orders")]
    [global::System.Data.Objects.DataClasses.EdmEntityTypeAttribute(NamespaceName="northwindModel", Name="Orders")]
    [global::System.Runtime.Serialization.DataContractAttribute(IsReference=true)]
    [global::System.Serializable()]
    public partial class Orders : global::System.Data.Objects.DataClasses.EntityObject
    {
        /// <summary>
        /// Create a new Orders object.
        /// </summary>
︙
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                this.OnOrderIDChanged();
            }
        }
        private long _OrderID;
        partial void OnOrderIDChanging(long value);
        partial void OnOrderIDChanged();
        /// <summary>
        /// There are no comments for Property EmployeeID in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmScalarPropertyAttribute()]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public global::System.Nullable<long> EmployeeID
        {
            get
            {
                return this._EmployeeID;
            }
            set
            {
                this.OnEmployeeIDChanging(value);
                this.ReportPropertyChanging("EmployeeID");
                this._EmployeeID = global::System.Data.Objects.DataClasses.StructuralObject.SetValidValue(value);
                this.ReportPropertyChanged("EmployeeID");
                this.OnEmployeeIDChanged();
            }
        }
        private global::System.Nullable<long> _EmployeeID;
        partial void OnEmployeeIDChanging(global::System.Nullable<long> value);
        partial void OnEmployeeIDChanged();
        /// <summary>
        /// There are no comments for Property OrderDate in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmScalarPropertyAttribute()]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public global::System.Nullable<global::System.DateTime> OrderDate
        {
            get
︙
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        }
        private string _ShipCountry;
        partial void OnShipCountryChanging(string value);
        partial void OnShipCountryChanged();
        /// <summary>
        /// There are no comments for Customers in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmRelationshipNavigationPropertyAttribute("northwindEFModel", "FK_Orders_CustomerID_CustomerID", "Customers")]
        [global::System.Data.Objects.DataClasses.EdmRelationshipNavigationPropertyAttribute("northwindModel", "FK_Orders_CustomerID_CustomerID", "Customers")]
        [global::System.Xml.Serialization.XmlIgnoreAttribute()]
        [global::System.Xml.Serialization.SoapIgnoreAttribute()]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public Customers Customers
        {
            get
            {
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Customers>("northwindEFModel.FK_Orders_CustomerID_CustomerID", "Customers").Value;
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Customers>("northwindModel.FK_Orders_CustomerID_CustomerID", "Customers").Value;
            }
            set
            {
                ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Customers>("northwindEFModel.FK_Orders_CustomerID_CustomerID", "Customers").Value = value;
                ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Customers>("northwindModel.FK_Orders_CustomerID_CustomerID", "Customers").Value = value;
            }
        }
        /// <summary>
        /// There are no comments for Customers in the schema.
        /// </summary>
        [global::System.ComponentModel.BrowsableAttribute(false)]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public global::System.Data.Objects.DataClasses.EntityReference<Customers> CustomersReference
        {
            get
            {
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Customers>("northwindEFModel.FK_Orders_CustomerID_CustomerID", "Customers");
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Customers>("northwindModel.FK_Orders_CustomerID_CustomerID", "Customers");
            }
            set
            {
                if ((value != null))
                {
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedReference<Customers>("northwindModel.FK_Orders_CustomerID_CustomerID", "Customers", value);
                }
            }
        }
        /// <summary>
        /// There are no comments for Employees in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmRelationshipNavigationPropertyAttribute("northwindModel", "FK_Orders_EmployeeID_EmployeeID", "Employees")]
        [global::System.Xml.Serialization.XmlIgnoreAttribute()]
        [global::System.Xml.Serialization.SoapIgnoreAttribute()]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public Employees Employees
        {
            get
            {
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Employees>("northwindModel.FK_Orders_EmployeeID_EmployeeID", "Employees").Value;
            }
            set
            {
                ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Employees>("northwindModel.FK_Orders_EmployeeID_EmployeeID", "Employees").Value = value;
            }
        }
        /// <summary>
        /// There are no comments for Employees in the schema.
        /// </summary>
        [global::System.ComponentModel.BrowsableAttribute(false)]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public global::System.Data.Objects.DataClasses.EntityReference<Employees> EmployeesReference
        {
            get
            {
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Employees>("northwindModel.FK_Orders_EmployeeID_EmployeeID", "Employees");
            }
            set
            {
                if ((value != null))
                {
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedReference<Employees>("northwindModel.FK_Orders_EmployeeID_EmployeeID", "Employees", value);
                }
            }
        }
        /// <summary>
        /// There are no comments for Order_Details in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmRelationshipNavigationPropertyAttribute("northwindModel", "FK_Order_Details_OrderID_OrderID", "Order_Details")]
        [global::System.Xml.Serialization.XmlIgnoreAttribute()]
        [global::System.Xml.Serialization.SoapIgnoreAttribute()]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public global::System.Data.Objects.DataClasses.EntityCollection<Order_Details> Order_Details
        {
            get
            {
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedCollection<Order_Details>("northwindModel.FK_Order_Details_OrderID_OrderID", "Order_Details");
            }
            set
            {
                if ((value != null))
                {
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedReference<Customers>("northwindEFModel.FK_Orders_CustomerID_CustomerID", "Customers", value);
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedCollection<Order_Details>("northwindModel.FK_Order_Details_OrderID_OrderID", "Order_Details", value);
                }
            }
        }
        /// <summary>
        /// There are no comments for InternationalOrders in the schema.
        /// There are no comments for Shippers in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmRelationshipNavigationPropertyAttribute("northwindEFModel", "FK_InternationalOrders_OrderID_OrderID", "InternationalOrders")]
        [global::System.Data.Objects.DataClasses.EdmRelationshipNavigationPropertyAttribute("northwindModel", "FK_Orders_ShipVia_ShipperID", "Shippers")]
        [global::System.Xml.Serialization.XmlIgnoreAttribute()]
        [global::System.Xml.Serialization.SoapIgnoreAttribute()]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public InternationalOrders InternationalOrders
        public Shippers Shippers
        {
            get
            {
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<InternationalOrders>("northwindEFModel.FK_InternationalOrders_OrderID_OrderID", "InternationalOrders").Value;
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Shippers>("northwindModel.FK_Orders_ShipVia_ShipperID", "Shippers").Value;
            }
            set
            {
                ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<InternationalOrders>("northwindEFModel.FK_InternationalOrders_OrderID_OrderID", "InternationalOrders").Value = value;
                ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Shippers>("northwindModel.FK_Orders_ShipVia_ShipperID", "Shippers").Value = value;
            }
        }
        /// <summary>
        /// There are no comments for InternationalOrders in the schema.
        /// There are no comments for Shippers in the schema.
        /// </summary>
        [global::System.ComponentModel.BrowsableAttribute(false)]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public global::System.Data.Objects.DataClasses.EntityReference<InternationalOrders> InternationalOrdersReference
        public global::System.Data.Objects.DataClasses.EntityReference<Shippers> ShippersReference
        {
            get
            {
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<InternationalOrders>("northwindEFModel.FK_InternationalOrders_OrderID_OrderID", "InternationalOrders");
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Shippers>("northwindModel.FK_Orders_ShipVia_ShipperID", "Shippers");
            }
            set
            {
                if ((value != null))
                {
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedReference<InternationalOrders>("northwindEFModel.FK_InternationalOrders_OrderID_OrderID", "InternationalOrders", value);
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedReference<Shippers>("northwindModel.FK_Orders_ShipVia_ShipperID", "Shippers", value);
                }
            }
        }
        /// <summary>
        /// There are no comments for OrderDetails in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmRelationshipNavigationPropertyAttribute("northwindEFModel", "FK_OrderDetails_OrderID_OrderID", "OrderDetails")]
        [global::System.Xml.Serialization.XmlIgnoreAttribute()]
        [global::System.Xml.Serialization.SoapIgnoreAttribute()]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public global::System.Data.Objects.DataClasses.EntityCollection<OrderDetails> OrderDetails
        {
            get
            {
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedCollection<OrderDetails>("northwindEFModel.FK_OrderDetails_OrderID_OrderID", "OrderDetails");
            }
            set
            {
                if ((value != null))
                {
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedCollection<OrderDetails>("northwindEFModel.FK_OrderDetails_OrderID_OrderID", "OrderDetails", value);
                }
            }
        }
    }
    /// <summary>
    /// There are no comments for northwindEFModel.PreviousEmployees in the schema.
    /// There are no comments for northwindModel.Products in the schema.
    /// </summary>
    /// <KeyProperties>
    /// EmployeeID
    /// ProductID
    /// </KeyProperties>
    [global::System.Data.Objects.DataClasses.EdmEntityTypeAttribute(NamespaceName="northwindEFModel", Name="PreviousEmployees")]
    [global::System.Runtime.Serialization.DataContractAttribute(IsReference=true)]
    [global::System.Serializable()]
    public partial class PreviousEmployees : global::System.Data.Objects.DataClasses.EntityObject
    {
        /// <summary>
        /// Create a new PreviousEmployees object.
        /// </summary>
        /// <param name="employeeID">Initial value of EmployeeID.</param>
        /// <param name="lastName">Initial value of LastName.</param>
        /// <param name="firstName">Initial value of FirstName.</param>
        public static PreviousEmployees CreatePreviousEmployees(long employeeID, string lastName, string firstName)
        {
            PreviousEmployees previousEmployees = new PreviousEmployees();
            previousEmployees.EmployeeID = employeeID;
            previousEmployees.LastName = lastName;
            previousEmployees.FirstName = firstName;
            return previousEmployees;
        }
        /// <summary>
        /// There are no comments for Property EmployeeID in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmScalarPropertyAttribute(EntityKeyProperty=true, IsNullable=false)]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public long EmployeeID
        {
            get
            {
                return this._EmployeeID;
            }
            set
            {
                this.OnEmployeeIDChanging(value);
                this.ReportPropertyChanging("EmployeeID");
                this._EmployeeID = global::System.Data.Objects.DataClasses.StructuralObject.SetValidValue(value);
                this.ReportPropertyChanged("EmployeeID");
                this.OnEmployeeIDChanged();
            }
        }
        private long _EmployeeID;
        partial void OnEmployeeIDChanging(long value);
        partial void OnEmployeeIDChanged();
        /// <summary>
        /// There are no comments for Property LastName in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmScalarPropertyAttribute(IsNullable=false)]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public string LastName
        {
            get
            {
                return this._LastName;
            }
            set
            {
                this.OnLastNameChanging(value);
                this.ReportPropertyChanging("LastName");
                this._LastName = global::System.Data.Objects.DataClasses.StructuralObject.SetValidValue(value, false);
                this.ReportPropertyChanged("LastName");
                this.OnLastNameChanged();
            }
        }
        private string _LastName;
        partial void OnLastNameChanging(string value);
        partial void OnLastNameChanged();
        /// <summary>
        /// There are no comments for Property FirstName in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmScalarPropertyAttribute(IsNullable=false)]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public string FirstName
        {
            get
            {
                return this._FirstName;
            }
            set
            {
                this.OnFirstNameChanging(value);
                this.ReportPropertyChanging("FirstName");
                this._FirstName = global::System.Data.Objects.DataClasses.StructuralObject.SetValidValue(value, false);
                this.ReportPropertyChanged("FirstName");
                this.OnFirstNameChanged();
            }
        }
        private string _FirstName;
        partial void OnFirstNameChanging(string value);
        partial void OnFirstNameChanged();
        /// <summary>
        /// There are no comments for Property Title in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmScalarPropertyAttribute()]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public string Title
        {
            get
            {
                return this._Title;
            }
            set
            {
                this.OnTitleChanging(value);
                this.ReportPropertyChanging("Title");
                this._Title = global::System.Data.Objects.DataClasses.StructuralObject.SetValidValue(value, true);
                this.ReportPropertyChanged("Title");
                this.OnTitleChanged();
            }
        }
        private string _Title;
        partial void OnTitleChanging(string value);
        partial void OnTitleChanged();
        /// <summary>
        /// There are no comments for Property TitleOfCourtesy in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmScalarPropertyAttribute()]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public string TitleOfCourtesy
        {
            get
            {
                return this._TitleOfCourtesy;
            }
            set
            {
                this.OnTitleOfCourtesyChanging(value);
                this.ReportPropertyChanging("TitleOfCourtesy");
                this._TitleOfCourtesy = global::System.Data.Objects.DataClasses.StructuralObject.SetValidValue(value, true);
                this.ReportPropertyChanged("TitleOfCourtesy");
                this.OnTitleOfCourtesyChanged();
            }
        }
        private string _TitleOfCourtesy;
        partial void OnTitleOfCourtesyChanging(string value);
        partial void OnTitleOfCourtesyChanged();
        /// <summary>
        /// There are no comments for Property BirthDate in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmScalarPropertyAttribute()]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public global::System.Nullable<global::System.DateTime> BirthDate
        {
            get
            {
                return this._BirthDate;
            }
            set
            {
                this.OnBirthDateChanging(value);
                this.ReportPropertyChanging("BirthDate");
                this._BirthDate = global::System.Data.Objects.DataClasses.StructuralObject.SetValidValue(value);
                this.ReportPropertyChanged("BirthDate");
                this.OnBirthDateChanged();
            }
        }
        private global::System.Nullable<global::System.DateTime> _BirthDate;
        partial void OnBirthDateChanging(global::System.Nullable<global::System.DateTime> value);
        partial void OnBirthDateChanged();
        /// <summary>
        /// There are no comments for Property HireDate in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmScalarPropertyAttribute()]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public global::System.Nullable<global::System.DateTime> HireDate
        {
            get
            {
                return this._HireDate;
            }
            set
            {
                this.OnHireDateChanging(value);
                this.ReportPropertyChanging("HireDate");
                this._HireDate = global::System.Data.Objects.DataClasses.StructuralObject.SetValidValue(value);
                this.ReportPropertyChanged("HireDate");
                this.OnHireDateChanged();
            }
        }
        private global::System.Nullable<global::System.DateTime> _HireDate;
        partial void OnHireDateChanging(global::System.Nullable<global::System.DateTime> value);
        partial void OnHireDateChanged();
        /// <summary>
        /// There are no comments for Property Address in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmScalarPropertyAttribute()]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public string Address
        {
            get
            {
                return this._Address;
            }
            set
            {
                this.OnAddressChanging(value);
                this.ReportPropertyChanging("Address");
                this._Address = global::System.Data.Objects.DataClasses.StructuralObject.SetValidValue(value, true);
                this.ReportPropertyChanged("Address");
                this.OnAddressChanged();
            }
        }
        private string _Address;
        partial void OnAddressChanging(string value);
        partial void OnAddressChanged();
        /// <summary>
        /// There are no comments for Property City in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmScalarPropertyAttribute()]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public string City
        {
            get
            {
                return this._City;
            }
            set
            {
                this.OnCityChanging(value);
                this.ReportPropertyChanging("City");
                this._City = global::System.Data.Objects.DataClasses.StructuralObject.SetValidValue(value, true);
                this.ReportPropertyChanged("City");
                this.OnCityChanged();
            }
        }
        private string _City;
        partial void OnCityChanging(string value);
        partial void OnCityChanged();
        /// <summary>
        /// There are no comments for Property Region in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmScalarPropertyAttribute()]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public string Region
        {
            get
            {
                return this._Region;
            }
            set
            {
                this.OnRegionChanging(value);
                this.ReportPropertyChanging("Region");
                this._Region = global::System.Data.Objects.DataClasses.StructuralObject.SetValidValue(value, true);
                this.ReportPropertyChanged("Region");
                this.OnRegionChanged();
            }
        }
        private string _Region;
        partial void OnRegionChanging(string value);
        partial void OnRegionChanged();
        /// <summary>
        /// There are no comments for Property PostalCode in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmScalarPropertyAttribute()]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public string PostalCode
        {
            get
            {
                return this._PostalCode;
            }
            set
            {
                this.OnPostalCodeChanging(value);
                this.ReportPropertyChanging("PostalCode");
                this._PostalCode = global::System.Data.Objects.DataClasses.StructuralObject.SetValidValue(value, true);
                this.ReportPropertyChanged("PostalCode");
                this.OnPostalCodeChanged();
            }
        }
        private string _PostalCode;
        partial void OnPostalCodeChanging(string value);
        partial void OnPostalCodeChanged();
        /// <summary>
        /// There are no comments for Property Country in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmScalarPropertyAttribute()]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public string Country
        {
            get
            {
                return this._Country;
            }
            set
            {
                this.OnCountryChanging(value);
                this.ReportPropertyChanging("Country");
                this._Country = global::System.Data.Objects.DataClasses.StructuralObject.SetValidValue(value, true);
                this.ReportPropertyChanged("Country");
                this.OnCountryChanged();
            }
        }
        private string _Country;
        partial void OnCountryChanging(string value);
        partial void OnCountryChanged();
        /// <summary>
        /// There are no comments for Property HomePhone in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmScalarPropertyAttribute()]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public string HomePhone
        {
            get
            {
                return this._HomePhone;
            }
            set
            {
                this.OnHomePhoneChanging(value);
                this.ReportPropertyChanging("HomePhone");
                this._HomePhone = global::System.Data.Objects.DataClasses.StructuralObject.SetValidValue(value, true);
                this.ReportPropertyChanged("HomePhone");
                this.OnHomePhoneChanged();
            }
        }
        private string _HomePhone;
        partial void OnHomePhoneChanging(string value);
        partial void OnHomePhoneChanged();
        /// <summary>
        /// There are no comments for Property Extension in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmScalarPropertyAttribute()]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public string Extension
        {
            get
            {
                return this._Extension;
            }
            set
            {
                this.OnExtensionChanging(value);
                this.ReportPropertyChanging("Extension");
                this._Extension = global::System.Data.Objects.DataClasses.StructuralObject.SetValidValue(value, true);
                this.ReportPropertyChanged("Extension");
                this.OnExtensionChanged();
            }
        }
        private string _Extension;
        partial void OnExtensionChanging(string value);
        partial void OnExtensionChanged();
        /// <summary>
        /// There are no comments for Property Photo in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmScalarPropertyAttribute()]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public byte[] Photo
        {
            get
            {
                return global::System.Data.Objects.DataClasses.StructuralObject.GetValidValue(this._Photo);
            }
            set
            {
                this.OnPhotoChanging(value);
                this.ReportPropertyChanging("Photo");
                this._Photo = global::System.Data.Objects.DataClasses.StructuralObject.SetValidValue(value, true);
                this.ReportPropertyChanged("Photo");
                this.OnPhotoChanged();
            }
        }
        private byte[] _Photo;
        partial void OnPhotoChanging(byte[] value);
        partial void OnPhotoChanged();
        /// <summary>
        /// There are no comments for Property Notes in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmScalarPropertyAttribute()]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public string Notes
        {
            get
            {
                return this._Notes;
            }
            set
            {
                this.OnNotesChanging(value);
                this.ReportPropertyChanging("Notes");
                this._Notes = global::System.Data.Objects.DataClasses.StructuralObject.SetValidValue(value, true);
                this.ReportPropertyChanged("Notes");
                this.OnNotesChanged();
            }
        }
        private string _Notes;
        partial void OnNotesChanging(string value);
        partial void OnNotesChanged();
        /// <summary>
        /// There are no comments for Property PhotoPath in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmScalarPropertyAttribute()]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public string PhotoPath
        {
            get
            {
                return this._PhotoPath;
            }
            set
            {
                this.OnPhotoPathChanging(value);
                this.ReportPropertyChanging("PhotoPath");
                this._PhotoPath = global::System.Data.Objects.DataClasses.StructuralObject.SetValidValue(value, true);
                this.ReportPropertyChanged("PhotoPath");
                this.OnPhotoPathChanged();
            }
        }
        private string _PhotoPath;
        partial void OnPhotoPathChanging(string value);
        partial void OnPhotoPathChanged();
    }
    /// <summary>
    /// There are no comments for northwindEFModel.Products in the schema.
    /// </summary>
    /// <KeyProperties>
    /// ProductID
    /// </KeyProperties>
    [global::System.Data.Objects.DataClasses.EdmEntityTypeAttribute(NamespaceName="northwindEFModel", Name="Products")]
    [global::System.Data.Objects.DataClasses.EdmEntityTypeAttribute(NamespaceName="northwindModel", Name="Products")]
    [global::System.Runtime.Serialization.DataContractAttribute(IsReference=true)]
    [global::System.Serializable()]
    public partial class Products : global::System.Data.Objects.DataClasses.EntityObject
    {
        /// <summary>
        /// Create a new Products object.
        /// </summary>
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                this.OnDiscontinuedChanged();
            }
        }
        private bool _Discontinued;
        partial void OnDiscontinuedChanging(bool value);
        partial void OnDiscontinuedChanged();
        /// <summary>
        /// There are no comments for Property DiscontinuedDate in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmScalarPropertyAttribute()]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public global::System.Nullable<global::System.DateTime> DiscontinuedDate
        {
            get
            {
                return this._DiscontinuedDate;
            }
            set
            {
                this.OnDiscontinuedDateChanging(value);
                this.ReportPropertyChanging("DiscontinuedDate");
                this._DiscontinuedDate = global::System.Data.Objects.DataClasses.StructuralObject.SetValidValue(value);
                this.ReportPropertyChanged("DiscontinuedDate");
                this.OnDiscontinuedDateChanged();
            }
        }
        private global::System.Nullable<global::System.DateTime> _DiscontinuedDate;
        partial void OnDiscontinuedDateChanging(global::System.Nullable<global::System.DateTime> value);
        partial void OnDiscontinuedDateChanged();
        /// <summary>
        /// There are no comments for Categories in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmRelationshipNavigationPropertyAttribute("northwindEFModel", "FK_Products_CategoryID_CategoryID", "Categories")]
        [global::System.Data.Objects.DataClasses.EdmRelationshipNavigationPropertyAttribute("northwindModel", "FK_Products_CategoryID_CategoryID", "Categories")]
        [global::System.Xml.Serialization.XmlIgnoreAttribute()]
        [global::System.Xml.Serialization.SoapIgnoreAttribute()]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public Categories Categories
        {
            get
            {
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Categories>("northwindEFModel.FK_Products_CategoryID_CategoryID", "Categories").Value;
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Categories>("northwindModel.FK_Products_CategoryID_CategoryID", "Categories").Value;
            }
            set
            {
                ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Categories>("northwindEFModel.FK_Products_CategoryID_CategoryID", "Categories").Value = value;
                ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Categories>("northwindModel.FK_Products_CategoryID_CategoryID", "Categories").Value = value;
            }
        }
        /// <summary>
        /// There are no comments for Categories in the schema.
        /// </summary>
        [global::System.ComponentModel.BrowsableAttribute(false)]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public global::System.Data.Objects.DataClasses.EntityReference<Categories> CategoriesReference
        {
            get
            {
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Categories>("northwindEFModel.FK_Products_CategoryID_CategoryID", "Categories");
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Categories>("northwindModel.FK_Products_CategoryID_CategoryID", "Categories");
            }
            set
            {
                if ((value != null))
                {
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedReference<Categories>("northwindEFModel.FK_Products_CategoryID_CategoryID", "Categories", value);
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedReference<Categories>("northwindModel.FK_Products_CategoryID_CategoryID", "Categories", value);
                }
            }
        }
        /// <summary>
        /// There are no comments for OrderDetails in the schema.
        /// There are no comments for Order_Details in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmRelationshipNavigationPropertyAttribute("northwindEFModel", "FK_OrderDetails_ProductID_ProductID", "OrderDetails")]
        [global::System.Data.Objects.DataClasses.EdmRelationshipNavigationPropertyAttribute("northwindModel", "FK_Order_Details_ProductID_ProductID", "Order_Details")]
        [global::System.Xml.Serialization.XmlIgnoreAttribute()]
        [global::System.Xml.Serialization.SoapIgnoreAttribute()]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public global::System.Data.Objects.DataClasses.EntityCollection<OrderDetails> OrderDetails
        public global::System.Data.Objects.DataClasses.EntityCollection<Order_Details> Order_Details
        {
            get
            {
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedCollection<OrderDetails>("northwindEFModel.FK_OrderDetails_ProductID_ProductID", "OrderDetails");
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedCollection<Order_Details>("northwindModel.FK_Order_Details_ProductID_ProductID", "Order_Details");
            }
            set
            {
                if ((value != null))
                {
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedCollection<OrderDetails>("northwindEFModel.FK_OrderDetails_ProductID_ProductID", "OrderDetails", value);
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedCollection<Order_Details>("northwindModel.FK_Order_Details_ProductID_ProductID", "Order_Details", value);
                }
            }
        }
        /// <summary>
        /// There are no comments for Suppliers in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmRelationshipNavigationPropertyAttribute("northwindEFModel", "FK_Products_SupplierID_SupplierID", "Suppliers")]
        [global::System.Data.Objects.DataClasses.EdmRelationshipNavigationPropertyAttribute("northwindModel", "FK_Products_SupplierID_SupplierID", "Suppliers")]
        [global::System.Xml.Serialization.XmlIgnoreAttribute()]
        [global::System.Xml.Serialization.SoapIgnoreAttribute()]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public Suppliers Suppliers
        {
            get
            {
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Suppliers>("northwindEFModel.FK_Products_SupplierID_SupplierID", "Suppliers").Value;
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Suppliers>("northwindModel.FK_Products_SupplierID_SupplierID", "Suppliers").Value;
            }
            set
            {
                ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Suppliers>("northwindEFModel.FK_Products_SupplierID_SupplierID", "Suppliers").Value = value;
                ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Suppliers>("northwindModel.FK_Products_SupplierID_SupplierID", "Suppliers").Value = value;
            }
        }
        /// <summary>
        /// There are no comments for Suppliers in the schema.
        /// </summary>
        [global::System.ComponentModel.BrowsableAttribute(false)]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public global::System.Data.Objects.DataClasses.EntityReference<Suppliers> SuppliersReference
        {
            get
            {
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Suppliers>("northwindEFModel.FK_Products_SupplierID_SupplierID", "Suppliers");
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Suppliers>("northwindModel.FK_Products_SupplierID_SupplierID", "Suppliers");
            }
            set
            {
                if ((value != null))
                {
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedReference<Suppliers>("northwindEFModel.FK_Products_SupplierID_SupplierID", "Suppliers", value);
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedReference<Suppliers>("northwindModel.FK_Products_SupplierID_SupplierID", "Suppliers", value);
                }
            }
        }
    }
    /// <summary>
    /// There are no comments for northwindEFModel.Regions in the schema.
    /// There are no comments for northwindModel.Region in the schema.
    /// </summary>
    /// <KeyProperties>
    /// RegionID
    /// </KeyProperties>
    [global::System.Data.Objects.DataClasses.EdmEntityTypeAttribute(NamespaceName="northwindEFModel", Name="Regions")]
    [global::System.Data.Objects.DataClasses.EdmEntityTypeAttribute(NamespaceName="northwindModel", Name="Region")]
    [global::System.Runtime.Serialization.DataContractAttribute(IsReference=true)]
    [global::System.Serializable()]
    public partial class Regions : global::System.Data.Objects.DataClasses.EntityObject
    public partial class Region : global::System.Data.Objects.DataClasses.EntityObject
    {
        /// <summary>
        /// Create a new Regions object.
        /// Create a new Region object.
        /// </summary>
        /// <param name="regionID">Initial value of RegionID.</param>
        /// <param name="regionDescription">Initial value of RegionDescription.</param>
        public static Regions CreateRegions(long regionID, string regionDescription)
        public static Region CreateRegion(long regionID, string regionDescription)
        {
            Regions regions = new Regions();
            regions.RegionID = regionID;
            regions.RegionDescription = regionDescription;
            return regions;
            Region region = new Region();
            region.RegionID = regionID;
            region.RegionDescription = regionDescription;
            return region;
        }
        /// <summary>
        /// There are no comments for Property RegionID in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmScalarPropertyAttribute(EntityKeyProperty=true, IsNullable=false)]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public long RegionID
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        }
        private string _RegionDescription;
        partial void OnRegionDescriptionChanging(string value);
        partial void OnRegionDescriptionChanged();
        /// <summary>
        /// There are no comments for Territories in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmRelationshipNavigationPropertyAttribute("northwindEFModel", "FK_Territories_RegionID_RegionID", "Territories")]
        [global::System.Data.Objects.DataClasses.EdmRelationshipNavigationPropertyAttribute("northwindModel", "FK_Territories_RegionID_RegionID", "Territories")]
        [global::System.Xml.Serialization.XmlIgnoreAttribute()]
        [global::System.Xml.Serialization.SoapIgnoreAttribute()]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public global::System.Data.Objects.DataClasses.EntityCollection<Territories> Territories
        {
            get
            {
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedCollection<Territories>("northwindEFModel.FK_Territories_RegionID_RegionID", "Territories");
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedCollection<Territories>("northwindModel.FK_Territories_RegionID_RegionID", "Territories");
            }
            set
            {
                if ((value != null))
                {
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedCollection<Territories>("northwindModel.FK_Territories_RegionID_RegionID", "Territories", value);
                }
            }
        }
    }
    /// <summary>
    /// There are no comments for northwindModel.Shippers in the schema.
    /// </summary>
    /// <KeyProperties>
    /// ShipperID
    /// </KeyProperties>
    [global::System.Data.Objects.DataClasses.EdmEntityTypeAttribute(NamespaceName="northwindModel", Name="Shippers")]
    [global::System.Runtime.Serialization.DataContractAttribute(IsReference=true)]
    [global::System.Serializable()]
    public partial class Shippers : global::System.Data.Objects.DataClasses.EntityObject
    {
        /// <summary>
        /// Create a new Shippers object.
        /// </summary>
        /// <param name="shipperID">Initial value of ShipperID.</param>
        /// <param name="companyName">Initial value of CompanyName.</param>
        public static Shippers CreateShippers(long shipperID, string companyName)
        {
            Shippers shippers = new Shippers();
            shippers.ShipperID = shipperID;
            shippers.CompanyName = companyName;
            return shippers;
        }
        /// <summary>
        /// There are no comments for Property ShipperID in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmScalarPropertyAttribute(EntityKeyProperty=true, IsNullable=false)]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public long ShipperID
        {
            get
            {
                return this._ShipperID;
            }
            set
            {
                this.OnShipperIDChanging(value);
                this.ReportPropertyChanging("ShipperID");
                this._ShipperID = global::System.Data.Objects.DataClasses.StructuralObject.SetValidValue(value);
                this.ReportPropertyChanged("ShipperID");
                this.OnShipperIDChanged();
            }
        }
        private long _ShipperID;
        partial void OnShipperIDChanging(long value);
        partial void OnShipperIDChanged();
        /// <summary>
        /// There are no comments for Property CompanyName in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmScalarPropertyAttribute(IsNullable=false)]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public string CompanyName
        {
            get
            {
                return this._CompanyName;
            }
            set
            {
                this.OnCompanyNameChanging(value);
                this.ReportPropertyChanging("CompanyName");
                this._CompanyName = global::System.Data.Objects.DataClasses.StructuralObject.SetValidValue(value, false);
                this.ReportPropertyChanged("CompanyName");
                this.OnCompanyNameChanged();
            }
        }
        private string _CompanyName;
        partial void OnCompanyNameChanging(string value);
        partial void OnCompanyNameChanged();
        /// <summary>
        /// There are no comments for Property Phone in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmScalarPropertyAttribute()]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public string Phone
        {
            get
            {
                return this._Phone;
            }
            set
            {
                this.OnPhoneChanging(value);
                this.ReportPropertyChanging("Phone");
                this._Phone = global::System.Data.Objects.DataClasses.StructuralObject.SetValidValue(value, true);
                this.ReportPropertyChanged("Phone");
                this.OnPhoneChanged();
            }
        }
        private string _Phone;
        partial void OnPhoneChanging(string value);
        partial void OnPhoneChanged();
        /// <summary>
        /// There are no comments for Orders in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmRelationshipNavigationPropertyAttribute("northwindModel", "FK_Orders_ShipVia_ShipperID", "Orders")]
        [global::System.Xml.Serialization.XmlIgnoreAttribute()]
        [global::System.Xml.Serialization.SoapIgnoreAttribute()]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public global::System.Data.Objects.DataClasses.EntityCollection<Orders> Orders
        {
            get
            {
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedCollection<Orders>("northwindModel.FK_Orders_ShipVia_ShipperID", "Orders");
            }
            set
            {
                if ((value != null))
                {
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedCollection<Territories>("northwindEFModel.FK_Territories_RegionID_RegionID", "Territories", value);
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedCollection<Orders>("northwindModel.FK_Orders_ShipVia_ShipperID", "Orders", value);
                }
            }
        }
    }
    /// <summary>
    /// There are no comments for northwindEFModel.Suppliers in the schema.
    /// There are no comments for northwindModel.Suppliers in the schema.
    /// </summary>
    /// <KeyProperties>
    /// SupplierID
    /// </KeyProperties>
    [global::System.Data.Objects.DataClasses.EdmEntityTypeAttribute(NamespaceName="northwindEFModel", Name="Suppliers")]
    [global::System.Data.Objects.DataClasses.EdmEntityTypeAttribute(NamespaceName="northwindModel", Name="Suppliers")]
    [global::System.Runtime.Serialization.DataContractAttribute(IsReference=true)]
    [global::System.Serializable()]
    public partial class Suppliers : global::System.Data.Objects.DataClasses.EntityObject
    {
        /// <summary>
        /// Create a new Suppliers object.
        /// </summary>
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        }
        private string _HomePage;
        partial void OnHomePageChanging(string value);
        partial void OnHomePageChanged();
        /// <summary>
        /// There are no comments for Products in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmRelationshipNavigationPropertyAttribute("northwindEFModel", "FK_Products_SupplierID_SupplierID", "Products")]
        [global::System.Data.Objects.DataClasses.EdmRelationshipNavigationPropertyAttribute("northwindModel", "FK_Products_SupplierID_SupplierID", "Products")]
        [global::System.Xml.Serialization.XmlIgnoreAttribute()]
        [global::System.Xml.Serialization.SoapIgnoreAttribute()]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public global::System.Data.Objects.DataClasses.EntityCollection<Products> Products
        {
            get
            {
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedCollection<Products>("northwindEFModel.FK_Products_SupplierID_SupplierID", "Products");
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedCollection<Products>("northwindModel.FK_Products_SupplierID_SupplierID", "Products");
            }
            set
            {
                if ((value != null))
                {
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedCollection<Products>("northwindEFModel.FK_Products_SupplierID_SupplierID", "Products", value);
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedCollection<Products>("northwindModel.FK_Products_SupplierID_SupplierID", "Products", value);
                }
            }
        }
    }
    /// <summary>
    /// There are no comments for northwindEFModel.Territories in the schema.
    /// There are no comments for northwindModel.Territories in the schema.
    /// </summary>
    /// <KeyProperties>
    /// TerritoryID
    /// </KeyProperties>
    [global::System.Data.Objects.DataClasses.EdmEntityTypeAttribute(NamespaceName="northwindEFModel", Name="Territories")]
    [global::System.Data.Objects.DataClasses.EdmEntityTypeAttribute(NamespaceName="northwindModel", Name="Territories")]
    [global::System.Runtime.Serialization.DataContractAttribute(IsReference=true)]
    [global::System.Serializable()]
    public partial class Territories : global::System.Data.Objects.DataClasses.EntityObject
    {
        /// <summary>
        /// Create a new Territories object.
        /// </summary>
        /// <param name="territoryID">Initial value of TerritoryID.</param>
        /// <param name="territoryDescription">Initial value of TerritoryDescription.</param>
        public static Territories CreateTerritories(long territoryID, string territoryDescription)
        public static Territories CreateTerritories(string territoryID, string territoryDescription)
        {
            Territories territories = new Territories();
            territories.TerritoryID = territoryID;
            territories.TerritoryDescription = territoryDescription;
            return territories;
        }
        /// <summary>
        /// There are no comments for Property TerritoryID in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmScalarPropertyAttribute(EntityKeyProperty=true, IsNullable=false)]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public long TerritoryID
        public string TerritoryID
        {
            get
            {
                return this._TerritoryID;
            }
            set
            {
                this.OnTerritoryIDChanging(value);
                this.ReportPropertyChanging("TerritoryID");
                this._TerritoryID = global::System.Data.Objects.DataClasses.StructuralObject.SetValidValue(value);
                this._TerritoryID = global::System.Data.Objects.DataClasses.StructuralObject.SetValidValue(value, false);
                this.ReportPropertyChanged("TerritoryID");
                this.OnTerritoryIDChanged();
            }
        }
        private long _TerritoryID;
        partial void OnTerritoryIDChanging(long value);
        private string _TerritoryID;
        partial void OnTerritoryIDChanging(string value);
        partial void OnTerritoryIDChanged();
        /// <summary>
        /// There are no comments for Property TerritoryDescription in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmScalarPropertyAttribute(IsNullable=false)]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public string TerritoryDescription
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                this.OnTerritoryDescriptionChanged();
            }
        }
        private string _TerritoryDescription;
        partial void OnTerritoryDescriptionChanging(string value);
        partial void OnTerritoryDescriptionChanged();
        /// <summary>
        /// There are no comments for Regions in the schema.
        /// There are no comments for Region in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmRelationshipNavigationPropertyAttribute("northwindEFModel", "FK_Territories_RegionID_RegionID", "Regions")]
        [global::System.Data.Objects.DataClasses.EdmRelationshipNavigationPropertyAttribute("northwindModel", "FK_Territories_RegionID_RegionID", "Region")]
        [global::System.Xml.Serialization.XmlIgnoreAttribute()]
        [global::System.Xml.Serialization.SoapIgnoreAttribute()]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public Regions Regions
        public Region Region
        {
            get
            {
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Regions>("northwindEFModel.FK_Territories_RegionID_RegionID", "Regions").Value;
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Region>("northwindModel.FK_Territories_RegionID_RegionID", "Region").Value;
            }
            set
            {
                ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Regions>("northwindEFModel.FK_Territories_RegionID_RegionID", "Regions").Value = value;
                ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Region>("northwindModel.FK_Territories_RegionID_RegionID", "Region").Value = value;
            }
        }
        /// <summary>
        /// There are no comments for Regions in the schema.
        /// There are no comments for Region in the schema.
        /// </summary>
        [global::System.ComponentModel.BrowsableAttribute(false)]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public global::System.Data.Objects.DataClasses.EntityReference<Regions> RegionsReference
        public global::System.Data.Objects.DataClasses.EntityReference<Region> RegionReference
        {
            get
            {
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Regions>("northwindEFModel.FK_Territories_RegionID_RegionID", "Regions");
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Region>("northwindModel.FK_Territories_RegionID_RegionID", "Region");
            }
            set
            {
                if ((value != null))
                {
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedReference<Regions>("northwindEFModel.FK_Territories_RegionID_RegionID", "Regions", value);
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedReference<Region>("northwindModel.FK_Territories_RegionID_RegionID", "Region", value);
                }
            }
        }
        /// <summary>
        /// There are no comments for Employees in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmRelationshipNavigationPropertyAttribute("northwindEFModel", "EmployeesTerritories", "Employees")]
        [global::System.Data.Objects.DataClasses.EdmRelationshipNavigationPropertyAttribute("northwindModel", "EmployeeTerritories", "Employees")]
        [global::System.Xml.Serialization.XmlIgnoreAttribute()]
        [global::System.Xml.Serialization.SoapIgnoreAttribute()]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public global::System.Data.Objects.DataClasses.EntityCollection<Employees> Employees
        {
            get
            {
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedCollection<Employees>("northwindEFModel.EmployeesTerritories", "Employees");
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedCollection<Employees>("northwindModel.EmployeeTerritories", "Employees");
            }
            set
            {
                if ((value != null))
                {
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedCollection<Employees>("northwindEFModel.EmployeesTerritories", "Employees", value);
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedCollection<Employees>("northwindModel.EmployeeTerritories", "Employees", value);
                }
            }
        }
    }
}
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<?xml version="1.0" encoding="utf-8"?>
<edmx:Edmx Version="1.0" xmlns:edmx="http://schemas.microsoft.com/ado/2007/06/edmx">
  <!-- EF Runtime content -->
  <edmx:Runtime>
    <!-- SSDL content -->
    <edmx:StorageModels>
    <Schema Namespace="northwindEFModel.Store" Alias="Self" Provider="System.Data.SQLite" ProviderManifestToken="ISO8601" xmlns:store="http://schemas.microsoft.com/ado/2007/12/edm/EntityStoreSchemaGenerator" xmlns="http://schemas.microsoft.com/ado/2006/04/edm/ssdl">
        <EntityContainer Name="northwindEFModelStoreContainer">
          <EntitySet Name="Categories" EntityType="northwindEFModel.Store.Categories" store:Type="Tables" />
          <EntitySet Name="Customers" EntityType="northwindEFModel.Store.Customers" store:Type="Tables" />
          <EntitySet Name="Employees" EntityType="northwindEFModel.Store.Employees" store:Type="Tables" />
          <EntitySet Name="EmployeesTerritories" EntityType="northwindEFModel.Store.EmployeesTerritories" store:Type="Tables" />
      <Schema Namespace="northwindModel.Store" Alias="Self" Provider="System.Data.SQLite" ProviderManifestToken="ISO8601" xmlns:store="http://schemas.microsoft.com/ado/2007/12/edm/EntityStoreSchemaGenerator" xmlns="http://schemas.microsoft.com/ado/2006/04/edm/ssdl">
        <EntityContainer Name="northwindModelStoreContainer">
          <EntitySet Name="Categories" EntityType="northwindModel.Store.Categories" store:Type="Tables" />
          <EntitySet Name="CustomerCustomerDemo" EntityType="northwindModel.Store.CustomerCustomerDemo" store:Type="Tables" />
          <EntitySet Name="CustomerDemographics" EntityType="northwindModel.Store.CustomerDemographics" store:Type="Tables" />
          <EntitySet Name="Customers" EntityType="northwindModel.Store.Customers" store:Type="Tables" />
          <EntitySet Name="Employees" EntityType="northwindModel.Store.Employees" store:Type="Tables" />
          <EntitySet Name="EmployeeTerritories" EntityType="northwindModel.Store.EmployeeTerritories" store:Type="Tables" />
          <EntitySet Name="InternationalOrders" EntityType="northwindEFModel.Store.InternationalOrders" store:Type="Tables" />
          <EntitySet Name="OrderDetails" EntityType="northwindEFModel.Store.OrderDetails" store:Type="Tables" />
          <EntitySet Name="Orders" EntityType="northwindEFModel.Store.Orders" store:Type="Tables" />
          <EntitySet Name="Order Details" EntityType="northwindModel.Store.Order Details" store:Type="Tables" />
          <EntitySet Name="Orders" EntityType="northwindModel.Store.Orders" store:Type="Tables" />
          <EntitySet Name="PreviousEmployees" EntityType="northwindEFModel.Store.PreviousEmployees" store:Type="Tables" />
          <EntitySet Name="Products" EntityType="northwindEFModel.Store.Products" store:Type="Tables" />
          <EntitySet Name="Regions" EntityType="northwindEFModel.Store.Regions" store:Type="Tables" />
          <EntitySet Name="Suppliers" EntityType="northwindEFModel.Store.Suppliers" store:Type="Tables" />
          <EntitySet Name="Territories" EntityType="northwindEFModel.Store.Territories" store:Type="Tables" />
          <AssociationSet Name="FK_EmployeesTerritories_EmployeeID_EmployeeID" Association="northwindEFModel.Store.FK_EmployeesTerritories_EmployeeID_EmployeeID">
          <EntitySet Name="Products" EntityType="northwindModel.Store.Products" store:Type="Tables" />
          <EntitySet Name="Region" EntityType="northwindModel.Store.Region" store:Type="Tables" />
          <EntitySet Name="Shippers" EntityType="northwindModel.Store.Shippers" store:Type="Tables" />
          <EntitySet Name="Suppliers" EntityType="northwindModel.Store.Suppliers" store:Type="Tables" />
          <EntitySet Name="Territories" EntityType="northwindModel.Store.Territories" store:Type="Tables" />
          <AssociationSet Name="FK_CustomerCustomerDemo_CustomerID_CustomerID" Association="northwindModel.Store.FK_CustomerCustomerDemo_CustomerID_CustomerID">
            <End Role="Customers" EntitySet="Customers" />
            <End Role="CustomerCustomerDemo" EntitySet="CustomerCustomerDemo" />
          </AssociationSet>
          <AssociationSet Name="FK_CustomerCustomerDemo_CustomerTypeID_CustomerTypeID" Association="northwindModel.Store.FK_CustomerCustomerDemo_CustomerTypeID_CustomerTypeID">
            <End Role="CustomerDemographics" EntitySet="CustomerDemographics" />
            <End Role="CustomerCustomerDemo" EntitySet="CustomerCustomerDemo" />
          </AssociationSet>
          <AssociationSet Name="FK_Employees_ReportsTo_EmployeeID" Association="northwindModel.Store.FK_Employees_ReportsTo_EmployeeID">
            <End Role="Employees" EntitySet="Employees" />
            <End Role="Employees1" EntitySet="Employees" />
          </AssociationSet>
          <AssociationSet Name="FK_EmployeeTerritories_EmployeeID_EmployeeID" Association="northwindModel.Store.FK_EmployeeTerritories_EmployeeID_EmployeeID">
            <End Role="Employees" EntitySet="Employees" />
            <End Role="EmployeesTerritories" EntitySet="EmployeesTerritories" />
            <End Role="EmployeeTerritories" EntitySet="EmployeeTerritories" />
          </AssociationSet>
          <AssociationSet Name="FK_EmployeesTerritories_TerritoryID_TerritoryID" Association="northwindEFModel.Store.FK_EmployeesTerritories_TerritoryID_TerritoryID">
          <AssociationSet Name="FK_EmployeeTerritories_TerritoryID_TerritoryID" Association="northwindModel.Store.FK_EmployeeTerritories_TerritoryID_TerritoryID">
            <End Role="Territories" EntitySet="Territories" />
            <End Role="EmployeesTerritories" EntitySet="EmployeesTerritories" />
            <End Role="EmployeeTerritories" EntitySet="EmployeeTerritories" />
          </AssociationSet>
          <AssociationSet Name="FK_InternationalOrders_OrderID_OrderID" Association="northwindEFModel.Store.FK_InternationalOrders_OrderID_OrderID">
            <End Role="Orders" EntitySet="Orders" />
            <End Role="InternationalOrders" EntitySet="InternationalOrders" />
          </AssociationSet>
          <AssociationSet Name="FK_OrderDetails_OrderID_OrderID" Association="northwindEFModel.Store.FK_OrderDetails_OrderID_OrderID">
          <AssociationSet Name="FK_Order Details_OrderID_OrderID" Association="northwindModel.Store.FK_Order Details_OrderID_OrderID">
            <End Role="Orders" EntitySet="Orders" />
            <End Role="OrderDetails" EntitySet="OrderDetails" />
            <End Role="Order Details" EntitySet="Order Details" />
          </AssociationSet>
          <AssociationSet Name="FK_OrderDetails_ProductID_ProductID" Association="northwindEFModel.Store.FK_OrderDetails_ProductID_ProductID">
          <AssociationSet Name="FK_Order Details_ProductID_ProductID" Association="northwindModel.Store.FK_Order Details_ProductID_ProductID">
            <End Role="Products" EntitySet="Products" />
            <End Role="OrderDetails" EntitySet="OrderDetails" />
            <End Role="Order Details" EntitySet="Order Details" />
          </AssociationSet>
          <AssociationSet Name="FK_Orders_CustomerID_CustomerID" Association="northwindEFModel.Store.FK_Orders_CustomerID_CustomerID">
          <AssociationSet Name="FK_Orders_CustomerID_CustomerID" Association="northwindModel.Store.FK_Orders_CustomerID_CustomerID">
            <End Role="Customers" EntitySet="Customers" />
            <End Role="Orders" EntitySet="Orders" />
          </AssociationSet>
          <AssociationSet Name="FK_Orders_EmployeeID_EmployeeID" Association="northwindModel.Store.FK_Orders_EmployeeID_EmployeeID">
            <End Role="Employees" EntitySet="Employees" />
            <End Role="Orders" EntitySet="Orders" />
          </AssociationSet>
          <AssociationSet Name="FK_Orders_ShipVia_ShipperID" Association="northwindModel.Store.FK_Orders_ShipVia_ShipperID">
            <End Role="Shippers" EntitySet="Shippers" />
            <End Role="Orders" EntitySet="Orders" />
          </AssociationSet>
          <AssociationSet Name="FK_Products_CategoryID_CategoryID" Association="northwindEFModel.Store.FK_Products_CategoryID_CategoryID">
          <AssociationSet Name="FK_Products_CategoryID_CategoryID" Association="northwindModel.Store.FK_Products_CategoryID_CategoryID">
            <End Role="Categories" EntitySet="Categories" />
            <End Role="Products" EntitySet="Products" />
          </AssociationSet>
          <AssociationSet Name="FK_Products_SupplierID_SupplierID" Association="northwindEFModel.Store.FK_Products_SupplierID_SupplierID">
          <AssociationSet Name="FK_Products_SupplierID_SupplierID" Association="northwindModel.Store.FK_Products_SupplierID_SupplierID">
            <End Role="Suppliers" EntitySet="Suppliers" />
            <End Role="Products" EntitySet="Products" />
          </AssociationSet>
          <AssociationSet Name="FK_Territories_RegionID_RegionID" Association="northwindEFModel.Store.FK_Territories_RegionID_RegionID">
            <End Role="Regions" EntitySet="Regions" />
          <AssociationSet Name="FK_Territories_RegionID_RegionID" Association="northwindModel.Store.FK_Territories_RegionID_RegionID">
            <End Role="Region" EntitySet="Region" />
            <End Role="Territories" EntitySet="Territories" />
          </AssociationSet>
        </EntityContainer>
        <EntityType Name="Categories">
          <Key>
            <PropertyRef Name="CategoryID" />
          </Key>
          <Property Name="CategoryID" Type="integer" Nullable="false" StoreGeneratedPattern="Identity" />
          <Property Name="CategoryName" Type="nvarchar" Nullable="false" MaxLength="15" />
          <Property Name="Description" Type="nvarchar" />
          <Property Name="Picture" Type="blob" />
        </EntityType>
        <EntityType Name="CustomerCustomerDemo">
          <Key>
            <PropertyRef Name="CustomerID" />
            <PropertyRef Name="CustomerTypeID" />
          </Key>
          <Property Name="CustomerID" Type="nvarchar" Nullable="false" MaxLength="5" StoreGeneratedPattern="Identity" />
          <Property Name="CustomerTypeID" Type="nvarchar" Nullable="false" MaxLength="10" StoreGeneratedPattern="Identity" />
        </EntityType>
        <EntityType Name="CustomerDemographics">
          <Key>
            <PropertyRef Name="CustomerTypeID" />
          </Key>
          <Property Name="CustomerTypeID" Type="nvarchar" Nullable="false" MaxLength="10" StoreGeneratedPattern="Identity" />
          <Property Name="CustomerDesc" Type="nvarchar" />
        </EntityType>
        <EntityType Name="Customers">
          <Key>
            <PropertyRef Name="CustomerID" />
          </Key>
          <Property Name="CustomerID" Type="nvarchar" Nullable="false" MaxLength="5" />
          <Property Name="CustomerID" Type="nvarchar" Nullable="false" MaxLength="5" StoreGeneratedPattern="Identity" />
          <Property Name="CompanyName" Type="nvarchar" Nullable="false" MaxLength="40" />
          <Property Name="ContactName" Type="nvarchar" MaxLength="30" />
          <Property Name="ContactTitle" Type="nvarchar" MaxLength="30" />
          <Property Name="Address" Type="nvarchar" MaxLength="60" />
          <Property Name="City" Type="nvarchar" MaxLength="15" />
          <Property Name="Region" Type="nvarchar" MaxLength="15" />
          <Property Name="PostalCode" Type="nvarchar" MaxLength="10" />
︙
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          <Property Name="Region" Type="nvarchar" MaxLength="15" />
          <Property Name="PostalCode" Type="nvarchar" MaxLength="10" />
          <Property Name="Country" Type="nvarchar" MaxLength="15" />
          <Property Name="HomePhone" Type="nvarchar" MaxLength="24" />
          <Property Name="Extension" Type="nvarchar" MaxLength="4" />
          <Property Name="Photo" Type="blob" />
          <Property Name="Notes" Type="nvarchar" />
          <Property Name="ReportsTo" Type="integer" />
          <Property Name="PhotoPath" Type="nvarchar" MaxLength="255" />
        </EntityType>
        <EntityType Name="EmployeesTerritories">
        <EntityType Name="EmployeeTerritories">
          <Key>
            <PropertyRef Name="EmployeeID" />
            <PropertyRef Name="TerritoryID" />
          </Key>
          <Property Name="EmployeeID" Type="integer" Nullable="false" />
          <Property Name="TerritoryID" Type="integer" Nullable="false" />
          <Property Name="EmployeeID" Type="integer" Nullable="false" StoreGeneratedPattern="Identity" />
          <Property Name="TerritoryID" Type="nvarchar" Nullable="false" MaxLength="20" StoreGeneratedPattern="Identity" />
        </EntityType>
        <EntityType Name="InternationalOrders">
          <Key>
            <PropertyRef Name="OrderID" />
          </Key>
          <Property Name="OrderID" Type="integer" Nullable="false" />
          <Property Name="CustomsDescription" Type="nvarchar" Nullable="false" MaxLength="100" />
          <Property Name="ExciseTax" Type="decimal" Nullable="false" Precision="53" />
        </EntityType>
        <EntityType Name="OrderDetails">
        <EntityType Name="Order Details">
          <Key>
            <PropertyRef Name="OrderID" />
            <PropertyRef Name="ProductID" />
          </Key>
          <Property Name="OrderID" Type="integer" Nullable="false" />
          <Property Name="ProductID" Type="integer" Nullable="false" />
          <Property Name="OrderID" Type="integer" Nullable="false" StoreGeneratedPattern="Identity" />
          <Property Name="ProductID" Type="integer" Nullable="false" StoreGeneratedPattern="Identity" />
          <Property Name="UnitPrice" Type="decimal" Nullable="false" Precision="53" />
          <Property Name="Quantity" Type="smallint" Nullable="false" />
          <Property Name="Discount" Type="real" Nullable="false" />
        </EntityType>
        <EntityType Name="Orders">
          <Key>
            <PropertyRef Name="OrderID" />
          </Key>
          <Property Name="OrderID" Type="integer" Nullable="false" StoreGeneratedPattern="Identity" />
          <Property Name="CustomerID" Type="nvarchar" MaxLength="5" />
          <Property Name="EmployeeID" Type="integer" />
          <Property Name="OrderDate" Type="datetime" />
          <Property Name="RequiredDate" Type="datetime" />
          <Property Name="ShippedDate" Type="datetime" />
          <Property Name="ShipVia" Type="integer" />
          <Property Name="Freight" Type="decimal" Precision="53" />
          <Property Name="ShipName" Type="nvarchar" MaxLength="40" />
          <Property Name="ShipAddress" Type="nvarchar" MaxLength="60" />
          <Property Name="ShipCity" Type="nvarchar" MaxLength="15" />
          <Property Name="ShipRegion" Type="nvarchar" MaxLength="15" />
          <Property Name="ShipPostalCode" Type="nvarchar" MaxLength="10" />
          <Property Name="ShipCountry" Type="nvarchar" MaxLength="15" />
        </EntityType>
        <EntityType Name="PreviousEmployees">
          <Key>
            <PropertyRef Name="EmployeeID" />
          </Key>
          <Property Name="EmployeeID" Type="integer" Nullable="false" />
          <Property Name="LastName" Type="nvarchar" Nullable="false" MaxLength="20" />
          <Property Name="FirstName" Type="nvarchar" Nullable="false" MaxLength="10" />
          <Property Name="Title" Type="nvarchar" MaxLength="30" />
          <Property Name="TitleOfCourtesy" Type="nvarchar" MaxLength="25" />
          <Property Name="BirthDate" Type="datetime" />
          <Property Name="HireDate" Type="datetime" />
          <Property Name="Address" Type="nvarchar" MaxLength="60" />
          <Property Name="City" Type="nvarchar" MaxLength="15" />
          <Property Name="Region" Type="nvarchar" MaxLength="15" />
          <Property Name="PostalCode" Type="nvarchar" MaxLength="10" />
          <Property Name="Country" Type="nvarchar" MaxLength="15" />
          <Property Name="HomePhone" Type="nvarchar" MaxLength="24" />
          <Property Name="Extension" Type="nvarchar" MaxLength="4" />
          <Property Name="Photo" Type="blob" />
          <Property Name="Notes" Type="nvarchar" />
          <Property Name="PhotoPath" Type="nvarchar" MaxLength="255" />
        </EntityType>
        <EntityType Name="Products">
          <Key>
            <PropertyRef Name="ProductID" />
          </Key>
          <Property Name="ProductID" Type="integer" Nullable="false" StoreGeneratedPattern="Identity" />
          <Property Name="ProductName" Type="nvarchar" Nullable="false" MaxLength="40" />
          <Property Name="SupplierID" Type="integer" />
          <Property Name="CategoryID" Type="integer" />
          <Property Name="QuantityPerUnit" Type="nvarchar" MaxLength="20" />
          <Property Name="UnitPrice" Type="decimal" Precision="53" />
          <Property Name="UnitsInStock" Type="smallint" />
          <Property Name="UnitsOnOrder" Type="smallint" />
          <Property Name="ReorderLevel" Type="smallint" />
          <Property Name="Discontinued" Type="bit" Nullable="false" />
          <Property Name="DiscontinuedDate" Type="datetime" />
        </EntityType>
        <EntityType Name="Regions">
        <EntityType Name="Region">
          <Key>
            <PropertyRef Name="RegionID" />
          </Key>
          <Property Name="RegionID" Type="integer" Nullable="false" />
          <Property Name="RegionID" Type="integer" Nullable="false" StoreGeneratedPattern="Identity" />
          <Property Name="RegionDescription" Type="nvarchar" Nullable="false" MaxLength="50" />
        </EntityType>
        <EntityType Name="Shippers">
          <Key>
            <PropertyRef Name="ShipperID" />
          </Key>
          <Property Name="ShipperID" Type="integer" Nullable="false" StoreGeneratedPattern="Identity" />
          <Property Name="CompanyName" Type="nvarchar" Nullable="false" MaxLength="40" />
          <Property Name="Phone" Type="nvarchar" MaxLength="24" />
        </EntityType>
        <EntityType Name="Suppliers">
          <Key>
            <PropertyRef Name="SupplierID" />
          </Key>
          <Property Name="SupplierID" Type="integer" Nullable="false" StoreGeneratedPattern="Identity" />
          <Property Name="CompanyName" Type="nvarchar" Nullable="false" MaxLength="40" />
          <Property Name="ContactName" Type="nvarchar" MaxLength="30" />
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          <Property Name="Fax" Type="nvarchar" MaxLength="24" />
          <Property Name="HomePage" Type="nvarchar" />
        </EntityType>
        <EntityType Name="Territories">
          <Key>
            <PropertyRef Name="TerritoryID" />
          </Key>
          <Property Name="TerritoryID" Type="integer" Nullable="false" />
          <Property Name="TerritoryID" Type="nvarchar" Nullable="false" MaxLength="20" StoreGeneratedPattern="Identity" />
          <Property Name="TerritoryDescription" Type="nvarchar" Nullable="false" MaxLength="50" />
          <Property Name="RegionID" Type="integer" Nullable="false" />
        </EntityType>
        <Association Name="FK_EmployeesTerritories_EmployeeID_EmployeeID">
          <End Role="Employees" Type="northwindEFModel.Store.Employees" Multiplicity="1" />
          <End Role="EmployeesTerritories" Type="northwindEFModel.Store.EmployeesTerritories" Multiplicity="*" />
        <Association Name="FK_CustomerCustomerDemo_CustomerID_CustomerID">
          <End Role="Customers" Type="northwindModel.Store.Customers" Multiplicity="1" />
          <End Role="CustomerCustomerDemo" Type="northwindModel.Store.CustomerCustomerDemo" Multiplicity="*" />
          <ReferentialConstraint>
            <Principal Role="Employees">
              <PropertyRef Name="EmployeeID" />
            <Principal Role="Customers">
              <PropertyRef Name="CustomerID" />
            </Principal>
            <Dependent Role="EmployeesTerritories">
              <PropertyRef Name="EmployeeID" />
            <Dependent Role="CustomerCustomerDemo">
              <PropertyRef Name="CustomerID" />
            </Dependent>
          </ReferentialConstraint>
        </Association>
        <Association Name="FK_CustomerCustomerDemo_CustomerTypeID_CustomerTypeID">
          <End Role="CustomerDemographics" Type="northwindModel.Store.CustomerDemographics" Multiplicity="1" />
          <End Role="CustomerCustomerDemo" Type="northwindModel.Store.CustomerCustomerDemo" Multiplicity="*" />
          <ReferentialConstraint>
            <Principal Role="CustomerDemographics">
              <PropertyRef Name="CustomerTypeID" />
            </Principal>
            <Dependent Role="CustomerCustomerDemo">
              <PropertyRef Name="CustomerTypeID" />
            </Dependent>
          </ReferentialConstraint>
        </Association>
        <Association Name="FK_EmployeesTerritories_TerritoryID_TerritoryID">
          <End Role="Territories" Type="northwindEFModel.Store.Territories" Multiplicity="1" />
          <End Role="EmployeesTerritories" Type="northwindEFModel.Store.EmployeesTerritories" Multiplicity="*" />
        <Association Name="FK_Employees_ReportsTo_EmployeeID">
          <End Role="Employees" Type="northwindModel.Store.Employees" Multiplicity="0..1" />
          <End Role="Employees1" Type="northwindModel.Store.Employees" Multiplicity="*" />
          <ReferentialConstraint>
            <Principal Role="Territories">
              <PropertyRef Name="TerritoryID" />
            <Principal Role="Employees">
              <PropertyRef Name="EmployeeID" />
            </Principal>
            <Dependent Role="EmployeesTerritories">
              <PropertyRef Name="TerritoryID" />
            <Dependent Role="Employees1">
              <PropertyRef Name="ReportsTo" />
            </Dependent>
          </ReferentialConstraint>
        </Association>
        <Association Name="FK_InternationalOrders_OrderID_OrderID">
          <End Role="Orders" Type="northwindEFModel.Store.Orders" Multiplicity="1" />
          <End Role="InternationalOrders" Type="northwindEFModel.Store.InternationalOrders" Multiplicity="0..1" />
        <Association Name="FK_EmployeeTerritories_EmployeeID_EmployeeID">
          <End Role="Employees" Type="northwindModel.Store.Employees" Multiplicity="1" />
          <End Role="EmployeeTerritories" Type="northwindModel.Store.EmployeeTerritories" Multiplicity="*" />
          <ReferentialConstraint>
            <Principal Role="Employees">
              <PropertyRef Name="EmployeeID" />
            </Principal>
            <Dependent Role="EmployeeTerritories">
              <PropertyRef Name="EmployeeID" />
            </Dependent>
          </ReferentialConstraint>
        </Association>
        <Association Name="FK_EmployeeTerritories_TerritoryID_TerritoryID">
          <End Role="Territories" Type="northwindModel.Store.Territories" Multiplicity="1" />
          <End Role="EmployeeTerritories" Type="northwindModel.Store.EmployeeTerritories" Multiplicity="*" />
          <ReferentialConstraint>
            <Principal Role="Orders">
              <PropertyRef Name="OrderID" />
            <Principal Role="Territories">
              <PropertyRef Name="TerritoryID" />
            </Principal>
            <Dependent Role="InternationalOrders">
              <PropertyRef Name="OrderID" />
            <Dependent Role="EmployeeTerritories">
              <PropertyRef Name="TerritoryID" />
            </Dependent>
          </ReferentialConstraint>
        </Association>
        <Association Name="FK_OrderDetails_OrderID_OrderID">
          <End Role="Orders" Type="northwindEFModel.Store.Orders" Multiplicity="1" />
          <End Role="OrderDetails" Type="northwindEFModel.Store.OrderDetails" Multiplicity="*" />
        <Association Name="FK_Order Details_OrderID_OrderID">
          <End Role="Orders" Type="northwindModel.Store.Orders" Multiplicity="1" />
          <End Role="Order Details" Type="northwindModel.Store.Order Details" Multiplicity="*" />
          <ReferentialConstraint>
            <Principal Role="Orders">
              <PropertyRef Name="OrderID" />
            </Principal>
            <Dependent Role="OrderDetails">
            <Dependent Role="Order Details">
              <PropertyRef Name="OrderID" />
            </Dependent>
          </ReferentialConstraint>
        </Association>
        <Association Name="FK_OrderDetails_ProductID_ProductID">
          <End Role="Products" Type="northwindEFModel.Store.Products" Multiplicity="1" />
          <End Role="OrderDetails" Type="northwindEFModel.Store.OrderDetails" Multiplicity="*" />
        <Association Name="FK_Order Details_ProductID_ProductID">
          <End Role="Products" Type="northwindModel.Store.Products" Multiplicity="1" />
          <End Role="Order Details" Type="northwindModel.Store.Order Details" Multiplicity="*" />
          <ReferentialConstraint>
            <Principal Role="Products">
              <PropertyRef Name="ProductID" />
            </Principal>
            <Dependent Role="OrderDetails">
            <Dependent Role="Order Details">
              <PropertyRef Name="ProductID" />
            </Dependent>
          </ReferentialConstraint>
        </Association>
        <Association Name="FK_Orders_CustomerID_CustomerID">
          <End Role="Customers" Type="northwindEFModel.Store.Customers" Multiplicity="0..1" />
          <End Role="Orders" Type="northwindEFModel.Store.Orders" Multiplicity="*" />
          <End Role="Customers" Type="northwindModel.Store.Customers" Multiplicity="0..1" />
          <End Role="Orders" Type="northwindModel.Store.Orders" Multiplicity="*" />
          <ReferentialConstraint>
            <Principal Role="Customers">
              <PropertyRef Name="CustomerID" />
            </Principal>
            <Dependent Role="Orders">
              <PropertyRef Name="CustomerID" />
            </Dependent>
          </ReferentialConstraint>
        </Association>
        <Association Name="FK_Orders_EmployeeID_EmployeeID">
          <End Role="Employees" Type="northwindModel.Store.Employees" Multiplicity="0..1" />
          <End Role="Orders" Type="northwindModel.Store.Orders" Multiplicity="*" />
          <ReferentialConstraint>
            <Principal Role="Employees">
              <PropertyRef Name="EmployeeID" />
            </Principal>
            <Dependent Role="Orders">
              <PropertyRef Name="EmployeeID" />
            </Dependent>
          </ReferentialConstraint>
        </Association>
        <Association Name="FK_Orders_ShipVia_ShipperID">
          <End Role="Shippers" Type="northwindModel.Store.Shippers" Multiplicity="0..1" />
          <End Role="Orders" Type="northwindModel.Store.Orders" Multiplicity="*" />
          <ReferentialConstraint>
            <Principal Role="Shippers">
              <PropertyRef Name="ShipperID" />
            </Principal>
            <Dependent Role="Orders">
              <PropertyRef Name="ShipVia" />
            </Dependent>
          </ReferentialConstraint>
        </Association>
        <Association Name="FK_Products_CategoryID_CategoryID">
          <End Role="Categories" Type="northwindEFModel.Store.Categories" Multiplicity="0..1" />
          <End Role="Products" Type="northwindEFModel.Store.Products" Multiplicity="*" />
          <End Role="Categories" Type="northwindModel.Store.Categories" Multiplicity="0..1" />
          <End Role="Products" Type="northwindModel.Store.Products" Multiplicity="*" />
          <ReferentialConstraint>
            <Principal Role="Categories">
              <PropertyRef Name="CategoryID" />
            </Principal>
            <Dependent Role="Products">
              <PropertyRef Name="CategoryID" />
            </Dependent>
          </ReferentialConstraint>
        </Association>
        <Association Name="FK_Products_SupplierID_SupplierID">
          <End Role="Suppliers" Type="northwindEFModel.Store.Suppliers" Multiplicity="0..1" />
          <End Role="Products" Type="northwindEFModel.Store.Products" Multiplicity="*" />
          <End Role="Suppliers" Type="northwindModel.Store.Suppliers" Multiplicity="0..1" />
          <End Role="Products" Type="northwindModel.Store.Products" Multiplicity="*" />
          <ReferentialConstraint>
            <Principal Role="Suppliers">
              <PropertyRef Name="SupplierID" />
            </Principal>
            <Dependent Role="Products">
              <PropertyRef Name="SupplierID" />
            </Dependent>
          </ReferentialConstraint>
        </Association>
        <Association Name="FK_Territories_RegionID_RegionID">
          <End Role="Regions" Type="northwindEFModel.Store.Regions" Multiplicity="1" />
          <End Role="Territories" Type="northwindEFModel.Store.Territories" Multiplicity="*" />
          <End Role="Region" Type="northwindModel.Store.Region" Multiplicity="1" />
          <End Role="Territories" Type="northwindModel.Store.Territories" Multiplicity="*" />
          <ReferentialConstraint>
            <Principal Role="Regions">
            <Principal Role="Region">
              <PropertyRef Name="RegionID" />
            </Principal>
            <Dependent Role="Territories">
              <PropertyRef Name="RegionID" />
            </Dependent>
          </ReferentialConstraint>
        </Association>
      </Schema>
      </Schema></edmx:StorageModels>
    </edmx:StorageModels>
    <!-- CSDL content -->
    <edmx:ConceptualModels>
      <Schema Namespace="northwindEFModel" Alias="Self" xmlns="http://schemas.microsoft.com/ado/2006/04/edm">
        <EntityContainer Name="northwindEFEntities">
          <EntitySet Name="Categories" EntityType="northwindEFModel.Categories" />
          <EntitySet Name="Customers" EntityType="northwindEFModel.Customers" />
          <EntitySet Name="Employees" EntityType="northwindEFModel.Employees" />
      <Schema Namespace="northwindModel" Alias="Self" xmlns="http://schemas.microsoft.com/ado/2006/04/edm">
        <EntityContainer Name="northwindEntities">
          <EntitySet Name="Categories" EntityType="northwindModel.Categories" />
          <EntitySet Name="CustomerDemographics" EntityType="northwindModel.CustomerDemographics" />
          <EntitySet Name="Customers" EntityType="northwindModel.Customers" />
          <EntitySet Name="Employees" EntityType="northwindModel.Employees" />
          <EntitySet Name="InternationalOrders" EntityType="northwindEFModel.InternationalOrders" />
          <EntitySet Name="OrderDetails" EntityType="northwindEFModel.OrderDetails" />
          <EntitySet Name="Orders" EntityType="northwindEFModel.Orders" />
          <EntitySet Name="Order_Details" EntityType="northwindModel.Order_Details" />
          <EntitySet Name="Orders" EntityType="northwindModel.Orders" />
          <EntitySet Name="PreviousEmployees" EntityType="northwindEFModel.PreviousEmployees" />
          <EntitySet Name="Products" EntityType="northwindEFModel.Products" />
          <EntitySet Name="Regions" EntityType="northwindEFModel.Regions" />
          <EntitySet Name="Suppliers" EntityType="northwindEFModel.Suppliers" />
          <EntitySet Name="Territories" EntityType="northwindEFModel.Territories" />
          <AssociationSet Name="FK_Products_CategoryID_CategoryID" Association="northwindEFModel.FK_Products_CategoryID_CategoryID">
          <EntitySet Name="Products" EntityType="northwindModel.Products" />
          <EntitySet Name="Region" EntityType="northwindModel.Region" />
          <EntitySet Name="Shippers" EntityType="northwindModel.Shippers" />
          <EntitySet Name="Suppliers" EntityType="northwindModel.Suppliers" />
          <EntitySet Name="Territories" EntityType="northwindModel.Territories" />
          <AssociationSet Name="FK_Products_CategoryID_CategoryID" Association="northwindModel.FK_Products_CategoryID_CategoryID">
            <End Role="Categories" EntitySet="Categories" />
            <End Role="Products" EntitySet="Products" />
          </AssociationSet>
          <AssociationSet Name="FK_Orders_CustomerID_CustomerID" Association="northwindEFModel.FK_Orders_CustomerID_CustomerID">
          <AssociationSet Name="FK_Orders_CustomerID_CustomerID" Association="northwindModel.FK_Orders_CustomerID_CustomerID">
            <End Role="Customers" EntitySet="Customers" />
            <End Role="Orders" EntitySet="Orders" />
          </AssociationSet>
          <AssociationSet Name="FK_InternationalOrders_OrderID_OrderID" Association="northwindEFModel.FK_InternationalOrders_OrderID_OrderID">
          <AssociationSet Name="FK_Employees_ReportsTo_EmployeeID" Association="northwindModel.FK_Employees_ReportsTo_EmployeeID">
            <End Role="Employees" EntitySet="Employees" />
            <End Role="Employees1" EntitySet="Employees" />
          </AssociationSet>
          <AssociationSet Name="FK_Orders_EmployeeID_EmployeeID" Association="northwindModel.FK_Orders_EmployeeID_EmployeeID">
            <End Role="Employees" EntitySet="Employees" />
            <End Role="Orders" EntitySet="Orders" />
            <End Role="InternationalOrders" EntitySet="InternationalOrders" />
          </AssociationSet>
          <AssociationSet Name="FK_OrderDetails_OrderID_OrderID" Association="northwindEFModel.FK_OrderDetails_OrderID_OrderID">
          <AssociationSet Name="FK_Order_Details_OrderID_OrderID" Association="northwindModel.FK_Order_Details_OrderID_OrderID">
            <End Role="Orders" EntitySet="Orders" />
            <End Role="OrderDetails" EntitySet="OrderDetails" />
            <End Role="Order_Details" EntitySet="Order_Details" />
          </AssociationSet>
          <AssociationSet Name="FK_OrderDetails_ProductID_ProductID" Association="northwindEFModel.FK_OrderDetails_ProductID_ProductID">
          <AssociationSet Name="FK_Order_Details_ProductID_ProductID" Association="northwindModel.FK_Order_Details_ProductID_ProductID">
            <End Role="Products" EntitySet="Products" />
            <End Role="OrderDetails" EntitySet="OrderDetails" />
            <End Role="Order_Details" EntitySet="Order_Details" />
          </AssociationSet>
          <AssociationSet Name="FK_Orders_ShipVia_ShipperID" Association="northwindModel.FK_Orders_ShipVia_ShipperID">
            <End Role="Shippers" EntitySet="Shippers" />
            <End Role="Orders" EntitySet="Orders" />
          </AssociationSet>
          <AssociationSet Name="FK_Products_SupplierID_SupplierID" Association="northwindEFModel.FK_Products_SupplierID_SupplierID">
          <AssociationSet Name="FK_Products_SupplierID_SupplierID" Association="northwindModel.FK_Products_SupplierID_SupplierID">
            <End Role="Suppliers" EntitySet="Suppliers" />
            <End Role="Products" EntitySet="Products" />
          </AssociationSet>
          <AssociationSet Name="FK_Territories_RegionID_RegionID" Association="northwindEFModel.FK_Territories_RegionID_RegionID">
            <End Role="Regions" EntitySet="Regions" />
          <AssociationSet Name="FK_Territories_RegionID_RegionID" Association="northwindModel.FK_Territories_RegionID_RegionID">
            <End Role="Region" EntitySet="Region" />
            <End Role="Territories" EntitySet="Territories" />
          </AssociationSet>
          <AssociationSet Name="CustomerCustomerDemo" Association="northwindModel.CustomerCustomerDemo">
            <End Role="Customers" EntitySet="Customers" />
            <End Role="CustomerDemographics" EntitySet="CustomerDemographics" />
          </AssociationSet>
          <AssociationSet Name="EmployeesTerritories" Association="northwindEFModel.EmployeesTerritories">
          <AssociationSet Name="EmployeeTerritories" Association="northwindModel.EmployeeTerritories">
            <End Role="Employees" EntitySet="Employees" />
            <End Role="Territories" EntitySet="Territories" />
          </AssociationSet>
          </EntityContainer>
        </EntityContainer>
        <EntityType Name="Categories">
          <Key>
            <PropertyRef Name="CategoryID" />
          </Key>
          <Property Name="CategoryID" Type="Int64" Nullable="false" />
          <Property Name="CategoryName" Type="String" Nullable="false" MaxLength="15" Unicode="true" FixedLength="false" />
          <Property Name="Description" Type="String" MaxLength="2147483647" Unicode="true" FixedLength="false" />
          <Property Name="Picture" Type="Binary" MaxLength="2147483647" FixedLength="false" />
          <NavigationProperty Name="Products" Relationship="northwindEFModel.FK_Products_CategoryID_CategoryID" FromRole="Categories" ToRole="Products" />
          <NavigationProperty Name="Products" Relationship="northwindModel.FK_Products_CategoryID_CategoryID" FromRole="Categories" ToRole="Products" />
        </EntityType>
        <EntityType Name="CustomerDemographics">
          <Key>
            <PropertyRef Name="CustomerTypeID" />
          </Key>
          <Property Name="CustomerTypeID" Type="String" Nullable="false" MaxLength="10" Unicode="true" FixedLength="false" />
          <Property Name="CustomerDesc" Type="String" MaxLength="2147483647" Unicode="true" FixedLength="false" />
          <NavigationProperty Name="Customers" Relationship="northwindModel.CustomerCustomerDemo" FromRole="CustomerDemographics" ToRole="Customers" />
        </EntityType>
        <EntityType Name="Customers">
          <Key>
            <PropertyRef Name="CustomerID" />
          </Key>
          <Property Name="CustomerID" Type="String" Nullable="false" MaxLength="5" Unicode="true" FixedLength="false" />
          <Property Name="CompanyName" Type="String" Nullable="false" MaxLength="40" Unicode="true" FixedLength="false" />
          <Property Name="ContactName" Type="String" MaxLength="30" Unicode="true" FixedLength="false" />
          <Property Name="ContactTitle" Type="String" MaxLength="30" Unicode="true" FixedLength="false" />
          <Property Name="Address" Type="String" MaxLength="60" Unicode="true" FixedLength="false" />
          <Property Name="City" Type="String" MaxLength="15" Unicode="true" FixedLength="false" />
          <Property Name="Region" Type="String" MaxLength="15" Unicode="true" FixedLength="false" />
          <Property Name="PostalCode" Type="String" MaxLength="10" Unicode="true" FixedLength="false" />
          <Property Name="Country" Type="String" MaxLength="15" Unicode="true" FixedLength="false" />
          <Property Name="Phone" Type="String" MaxLength="24" Unicode="true" FixedLength="false" />
          <Property Name="Fax" Type="String" MaxLength="24" Unicode="true" FixedLength="false" />
          <NavigationProperty Name="Orders" Relationship="northwindEFModel.FK_Orders_CustomerID_CustomerID" FromRole="Customers" ToRole="Orders" />
          <NavigationProperty Name="Orders" Relationship="northwindModel.FK_Orders_CustomerID_CustomerID" FromRole="Customers" ToRole="Orders" />
          <NavigationProperty Name="CustomerDemographics" Relationship="northwindModel.CustomerCustomerDemo" FromRole="Customers" ToRole="CustomerDemographics" />
        </EntityType>
        <EntityType Name="Employees">
          <Key>
            <PropertyRef Name="EmployeeID" />
          </Key>
          <Property Name="EmployeeID" Type="Int64" Nullable="false" />
          <Property Name="LastName" Type="String" Nullable="false" MaxLength="20" Unicode="true" FixedLength="false" />
︙
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          <Property Name="PostalCode" Type="String" MaxLength="10" Unicode="true" FixedLength="false" />
          <Property Name="Country" Type="String" MaxLength="15" Unicode="true" FixedLength="false" />
          <Property Name="HomePhone" Type="String" MaxLength="24" Unicode="true" FixedLength="false" />
          <Property Name="Extension" Type="String" MaxLength="4" Unicode="true" FixedLength="false" />
          <Property Name="Photo" Type="Binary" MaxLength="2147483647" FixedLength="false" />
          <Property Name="Notes" Type="String" MaxLength="2147483647" Unicode="true" FixedLength="false" />
          <Property Name="PhotoPath" Type="String" MaxLength="255" Unicode="true" FixedLength="false" />
          <NavigationProperty Name="Territories" Relationship="northwindEFModel.EmployeesTerritories" FromRole="Employees" ToRole="Territories" />
          <NavigationProperty Name="Employees1" Relationship="northwindModel.FK_Employees_ReportsTo_EmployeeID" FromRole="Employees" ToRole="Employees1" />
        </EntityType>
        <EntityType Name="InternationalOrders">
          <Key>
            <PropertyRef Name="OrderID" />
          </Key>
          <Property Name="OrderID" Type="Int64" Nullable="false" />
          <NavigationProperty Name="Employees2" Relationship="northwindModel.FK_Employees_ReportsTo_EmployeeID" FromRole="Employees1" ToRole="Employees" />
          <Property Name="CustomsDescription" Type="String" Nullable="false" MaxLength="100" Unicode="true" FixedLength="false" />
          <Property Name="ExciseTax" Type="Decimal" Nullable="false" Precision="53" Scale="0" />
          <NavigationProperty Name="Orders" Relationship="northwindEFModel.FK_InternationalOrders_OrderID_OrderID" FromRole="InternationalOrders" ToRole="Orders" />
          <NavigationProperty Name="Orders" Relationship="northwindModel.FK_Orders_EmployeeID_EmployeeID" FromRole="Employees" ToRole="Orders" />
          <NavigationProperty Name="Territories" Relationship="northwindModel.EmployeeTerritories" FromRole="Employees" ToRole="Territories" />
        </EntityType>
        <EntityType Name="OrderDetails">
        <EntityType Name="Order_Details">
          <Key>
            <PropertyRef Name="OrderID" />
            <PropertyRef Name="ProductID" />
          </Key>
          <Property Name="OrderID" Type="Int64" Nullable="false" />
          <Property Name="ProductID" Type="Int64" Nullable="false" />
          <Property Name="UnitPrice" Type="Decimal" Nullable="false" Precision="53" Scale="0" />
          <Property Name="Quantity" Type="Int16" Nullable="false" />
          <Property Name="Discount" Type="Single" Nullable="false" />
          <NavigationProperty Name="Orders" Relationship="northwindEFModel.FK_OrderDetails_OrderID_OrderID" FromRole="OrderDetails" ToRole="Orders" />
          <NavigationProperty Name="Products" Relationship="northwindEFModel.FK_OrderDetails_ProductID_ProductID" FromRole="OrderDetails" ToRole="Products" />
          <NavigationProperty Name="Orders" Relationship="northwindModel.FK_Order_Details_OrderID_OrderID" FromRole="Order_Details" ToRole="Orders" />
          <NavigationProperty Name="Products" Relationship="northwindModel.FK_Order_Details_ProductID_ProductID" FromRole="Order_Details" ToRole="Products" />
        </EntityType>
        <EntityType Name="Orders">
          <Key>
            <PropertyRef Name="OrderID" />
          </Key>
          <Property Name="OrderID" Type="Int64" Nullable="false" />
          <Property Name="EmployeeID" Type="Int64" />
          <Property Name="OrderDate" Type="DateTime" />
          <Property Name="RequiredDate" Type="DateTime" />
          <Property Name="ShippedDate" Type="DateTime" />
          <Property Name="Freight" Type="Decimal" Precision="53" Scale="0" />
          <Property Name="ShipName" Type="String" MaxLength="40" Unicode="true" FixedLength="false" />
          <Property Name="ShipAddress" Type="String" MaxLength="60" Unicode="true" FixedLength="false" />
          <Property Name="ShipCity" Type="String" MaxLength="15" Unicode="true" FixedLength="false" />
          <Property Name="ShipRegion" Type="String" MaxLength="15" Unicode="true" FixedLength="false" />
          <Property Name="ShipPostalCode" Type="String" MaxLength="10" Unicode="true" FixedLength="false" />
          <Property Name="ShipCountry" Type="String" MaxLength="15" Unicode="true" FixedLength="false" />
          <NavigationProperty Name="Customers" Relationship="northwindEFModel.FK_Orders_CustomerID_CustomerID" FromRole="Orders" ToRole="Customers" />
          <NavigationProperty Name="InternationalOrders" Relationship="northwindEFModel.FK_InternationalOrders_OrderID_OrderID" FromRole="Orders" ToRole="InternationalOrders" />
          <NavigationProperty Name="OrderDetails" Relationship="northwindEFModel.FK_OrderDetails_OrderID_OrderID" FromRole="Orders" ToRole="OrderDetails" />
          <NavigationProperty Name="Customers" Relationship="northwindModel.FK_Orders_CustomerID_CustomerID" FromRole="Orders" ToRole="Customers" />
          <NavigationProperty Name="Employees" Relationship="northwindModel.FK_Orders_EmployeeID_EmployeeID" FromRole="Orders" ToRole="Employees" />
          <NavigationProperty Name="Order_Details" Relationship="northwindModel.FK_Order_Details_OrderID_OrderID" FromRole="Orders" ToRole="Order_Details" />
        </EntityType>
        <EntityType Name="PreviousEmployees">
          <Key>
            <PropertyRef Name="EmployeeID" />
          </Key>
          <Property Name="EmployeeID" Type="Int64" Nullable="false" />
          <Property Name="LastName" Type="String" Nullable="false" MaxLength="20" Unicode="true" FixedLength="false" />
          <Property Name="FirstName" Type="String" Nullable="false" MaxLength="10" Unicode="true" FixedLength="false" />
          <Property Name="Title" Type="String" MaxLength="30" Unicode="true" FixedLength="false" />
          <Property Name="TitleOfCourtesy" Type="String" MaxLength="25" Unicode="true" FixedLength="false" />
          <Property Name="BirthDate" Type="DateTime" />
          <NavigationProperty Name="Shippers" Relationship="northwindModel.FK_Orders_ShipVia_ShipperID" FromRole="Orders" ToRole="Shippers" />
          <Property Name="HireDate" Type="DateTime" />
          <Property Name="Address" Type="String" MaxLength="60" Unicode="true" FixedLength="false" />
          <Property Name="City" Type="String" MaxLength="15" Unicode="true" FixedLength="false" />
          <Property Name="Region" Type="String" MaxLength="15" Unicode="true" FixedLength="false" />
          <Property Name="PostalCode" Type="String" MaxLength="10" Unicode="true" FixedLength="false" />
          <Property Name="Country" Type="String" MaxLength="15" Unicode="true" FixedLength="false" />
          <Property Name="HomePhone" Type="String" MaxLength="24" Unicode="true" FixedLength="false" />
          <Property Name="Extension" Type="String" MaxLength="4" Unicode="true" FixedLength="false" />
          <Property Name="Photo" Type="Binary" MaxLength="2147483647" FixedLength="false" />
          <Property Name="Notes" Type="String" MaxLength="2147483647" Unicode="true" FixedLength="false" />
          <Property Name="PhotoPath" Type="String" MaxLength="255" Unicode="true" FixedLength="false" />
        </EntityType>
        <EntityType Name="Products">
          <Key>
            <PropertyRef Name="ProductID" />
          </Key>
          <Property Name="ProductID" Type="Int64" Nullable="false" />
          <Property Name="ProductName" Type="String" Nullable="false" MaxLength="40" Unicode="true" FixedLength="false" />
          <Property Name="QuantityPerUnit" Type="String" MaxLength="20" Unicode="true" FixedLength="false" />
          <Property Name="UnitPrice" Type="Decimal" Precision="53" Scale="0" />
          <Property Name="UnitsInStock" Type="Int16" />
          <Property Name="UnitsOnOrder" Type="Int16" />
          <Property Name="ReorderLevel" Type="Int16" />
          <Property Name="Discontinued" Type="Boolean" Nullable="false" />
          <Property Name="DiscontinuedDate" Type="DateTime" />
          <NavigationProperty Name="Categories" Relationship="northwindEFModel.FK_Products_CategoryID_CategoryID" FromRole="Products" ToRole="Categories" />
          <NavigationProperty Name="OrderDetails" Relationship="northwindEFModel.FK_OrderDetails_ProductID_ProductID" FromRole="Products" ToRole="OrderDetails" />
          <NavigationProperty Name="Suppliers" Relationship="northwindEFModel.FK_Products_SupplierID_SupplierID" FromRole="Products" ToRole="Suppliers" />
          <NavigationProperty Name="Categories" Relationship="northwindModel.FK_Products_CategoryID_CategoryID" FromRole="Products" ToRole="Categories" />
          <NavigationProperty Name="Order_Details" Relationship="northwindModel.FK_Order_Details_ProductID_ProductID" FromRole="Products" ToRole="Order_Details" />
          <NavigationProperty Name="Suppliers" Relationship="northwindModel.FK_Products_SupplierID_SupplierID" FromRole="Products" ToRole="Suppliers" />
        </EntityType>
        <EntityType Name="Regions">
        <EntityType Name="Region">
          <Key>
            <PropertyRef Name="RegionID" />
          </Key>
          <Property Name="RegionID" Type="Int64" Nullable="false" />
          <Property Name="RegionDescription" Type="String" Nullable="false" MaxLength="50" Unicode="true" FixedLength="false" />
          <NavigationProperty Name="Territories" Relationship="northwindEFModel.FK_Territories_RegionID_RegionID" FromRole="Regions" ToRole="Territories" />
          <NavigationProperty Name="Territories" Relationship="northwindModel.FK_Territories_RegionID_RegionID" FromRole="Region" ToRole="Territories" />
        </EntityType>
        <EntityType Name="Shippers">
          <Key>
            <PropertyRef Name="ShipperID" />
          </Key>
          <Property Name="ShipperID" Type="Int64" Nullable="false" />
          <Property Name="CompanyName" Type="String" Nullable="false" MaxLength="40" Unicode="true" FixedLength="false" />
          <Property Name="Phone" Type="String" MaxLength="24" Unicode="true" FixedLength="false" />
          <NavigationProperty Name="Orders" Relationship="northwindModel.FK_Orders_ShipVia_ShipperID" FromRole="Shippers" ToRole="Orders" />
        </EntityType>
        <EntityType Name="Suppliers">
          <Key>
            <PropertyRef Name="SupplierID" />
          </Key>
          <Property Name="SupplierID" Type="Int64" Nullable="false" />
          <Property Name="CompanyName" Type="String" Nullable="false" MaxLength="40" Unicode="true" FixedLength="false" />
          <Property Name="ContactName" Type="String" MaxLength="30" Unicode="true" FixedLength="false" />
          <Property Name="ContactTitle" Type="String" MaxLength="30" Unicode="true" FixedLength="false" />
          <Property Name="Address" Type="String" MaxLength="60" Unicode="true" FixedLength="false" />
          <Property Name="City" Type="String" MaxLength="15" Unicode="true" FixedLength="false" />
          <Property Name="Region" Type="String" MaxLength="15" Unicode="true" FixedLength="false" />
          <Property Name="PostalCode" Type="String" MaxLength="10" Unicode="true" FixedLength="false" />
          <Property Name="Country" Type="String" MaxLength="15" Unicode="true" FixedLength="false" />
          <Property Name="Phone" Type="String" MaxLength="24" Unicode="true" FixedLength="false" />
          <Property Name="Fax" Type="String" MaxLength="24" Unicode="true" FixedLength="false" />
          <Property Name="HomePage" Type="String" MaxLength="2147483647" Unicode="true" FixedLength="false" />
          <NavigationProperty Name="Products" Relationship="northwindEFModel.FK_Products_SupplierID_SupplierID" FromRole="Suppliers" ToRole="Products" />
          <NavigationProperty Name="Products" Relationship="northwindModel.FK_Products_SupplierID_SupplierID" FromRole="Suppliers" ToRole="Products" />
        </EntityType>
        <EntityType Name="Territories">
          <Key>
            <PropertyRef Name="TerritoryID" />
          </Key>
          <Property Name="TerritoryID" Type="Int64" Nullable="false" />
          <Property Name="TerritoryID" Type="String" Nullable="false" MaxLength="20" Unicode="true" FixedLength="false" />
          <Property Name="TerritoryDescription" Type="String" Nullable="false" MaxLength="50" Unicode="true" FixedLength="false" />
          <NavigationProperty Name="Regions" Relationship="northwindEFModel.FK_Territories_RegionID_RegionID" FromRole="Territories" ToRole="Regions" />
          <NavigationProperty Name="Employees" Relationship="northwindEFModel.EmployeesTerritories" FromRole="Territories" ToRole="Employees" />
          <NavigationProperty Name="Region" Relationship="northwindModel.FK_Territories_RegionID_RegionID" FromRole="Territories" ToRole="Region" />
          <NavigationProperty Name="Employees" Relationship="northwindModel.EmployeeTerritories" FromRole="Territories" ToRole="Employees" />
        </EntityType>
        <Association Name="FK_Products_CategoryID_CategoryID">
          <End Role="Categories" Type="northwindEFModel.Categories" Multiplicity="0..1" />
          <End Role="Products" Type="northwindEFModel.Products" Multiplicity="*" />
          <End Role="Categories" Type="northwindModel.Categories" Multiplicity="0..1" />
          <End Role="Products" Type="northwindModel.Products" Multiplicity="*" />
        </Association>
        <Association Name="FK_Orders_CustomerID_CustomerID">
          <End Role="Customers" Type="northwindEFModel.Customers" Multiplicity="0..1" />
          <End Role="Orders" Type="northwindEFModel.Orders" Multiplicity="*" />
          <End Role="Customers" Type="northwindModel.Customers" Multiplicity="0..1" />
          <End Role="Orders" Type="northwindModel.Orders" Multiplicity="*" />
        </Association>
        <Association Name="FK_InternationalOrders_OrderID_OrderID">
          <End Role="Orders" Type="northwindEFModel.Orders" Multiplicity="1" />
          <End Role="InternationalOrders" Type="northwindEFModel.InternationalOrders" Multiplicity="0..1" />
        <Association Name="FK_Employees_ReportsTo_EmployeeID">
          <End Role="Employees" Type="northwindModel.Employees" Multiplicity="0..1" />
          <End Role="Employees1" Type="northwindModel.Employees" Multiplicity="*" />
        </Association>
        <Association Name="FK_Orders_EmployeeID_EmployeeID">
          <End Role="Employees" Type="northwindModel.Employees" Multiplicity="0..1" />
          <End Role="Orders" Type="northwindModel.Orders" Multiplicity="*" />
        </Association>
        <Association Name="FK_Order_Details_OrderID_OrderID">
          <End Role="Orders" Type="northwindModel.Orders" Multiplicity="1" />
          <End Role="Order_Details" Type="northwindModel.Order_Details" Multiplicity="*" />
          <ReferentialConstraint>
            <Principal Role="Orders">
              <PropertyRef Name="OrderID" />
            </Principal>
            <Dependent Role="InternationalOrders">
            <Dependent Role="Order_Details">
              <PropertyRef Name="OrderID" />
            </Dependent>
          </ReferentialConstraint>
        </Association>
        <Association Name="FK_OrderDetails_OrderID_OrderID">
          <End Role="Orders" Type="northwindEFModel.Orders" Multiplicity="1" />
          <End Role="OrderDetails" Type="northwindEFModel.OrderDetails" Multiplicity="*" />
        <Association Name="FK_Order_Details_ProductID_ProductID">
          <End Role="Products" Type="northwindModel.Products" Multiplicity="1" />
          <End Role="Order_Details" Type="northwindModel.Order_Details" Multiplicity="*" />
          <ReferentialConstraint>
            <Principal Role="Orders">
              <PropertyRef Name="OrderID" />
            <Principal Role="Products">
              <PropertyRef Name="ProductID" />
            </Principal>
            <Dependent Role="OrderDetails">
              <PropertyRef Name="OrderID" />
            <Dependent Role="Order_Details">
              <PropertyRef Name="ProductID" />
            </Dependent>
          </ReferentialConstraint>
        </Association>
        <Association Name="FK_OrderDetails_ProductID_ProductID">
          <End Role="Products" Type="northwindEFModel.Products" Multiplicity="1" />
          <End Role="OrderDetails" Type="northwindEFModel.OrderDetails" Multiplicity="*" />
        <Association Name="FK_Orders_ShipVia_ShipperID">
          <End Role="Shippers" Type="northwindModel.Shippers" Multiplicity="0..1" />
          <End Role="Orders" Type="northwindModel.Orders" Multiplicity="*" />
          <ReferentialConstraint>
            <Principal Role="Products">
              <PropertyRef Name="ProductID" />
            </Principal>
            <Dependent Role="OrderDetails">
              <PropertyRef Name="ProductID" />
            </Dependent>
          </ReferentialConstraint>
        </Association>
        <Association Name="FK_Products_SupplierID_SupplierID">
          <End Role="Suppliers" Type="northwindEFModel.Suppliers" Multiplicity="0..1" />
          <End Role="Products" Type="northwindEFModel.Products" Multiplicity="*" />
          <End Role="Suppliers" Type="northwindModel.Suppliers" Multiplicity="0..1" />
          <End Role="Products" Type="northwindModel.Products" Multiplicity="*" />
        </Association>
        <Association Name="FK_Territories_RegionID_RegionID">
          <End Role="Regions" Type="northwindEFModel.Regions" Multiplicity="1" />
          <End Role="Territories" Type="northwindEFModel.Territories" Multiplicity="*" />
          <End Role="Region" Type="northwindModel.Region" Multiplicity="1" />
          <End Role="Territories" Type="northwindModel.Territories" Multiplicity="*" />
        </Association>
        <Association Name="CustomerCustomerDemo">
          <End Role="Customers" Type="northwindModel.Customers" Multiplicity="*" />
          <End Role="CustomerDemographics" Type="northwindModel.CustomerDemographics" Multiplicity="*" />
        </Association>
        <Association Name="EmployeesTerritories">
          <End Role="Employees" Type="northwindEFModel.Employees" Multiplicity="*" />
          <End Role="Territories" Type="northwindEFModel.Territories" Multiplicity="*" />
        <Association Name="EmployeeTerritories">
          <End Role="Employees" Type="northwindModel.Employees" Multiplicity="*" />
          <End Role="Territories" Type="northwindModel.Territories" Multiplicity="*" />
        </Association>
        </Schema>
      </Schema>
    </edmx:ConceptualModels>
    <!-- C-S mapping content -->
    <edmx:Mappings>
      <Mapping Space="C-S" xmlns="urn:schemas-microsoft-com:windows:storage:mapping:CS">
        <EntityContainerMapping StorageEntityContainer="northwindEFModelStoreContainer" CdmEntityContainer="northwindEFEntities">
        <EntityContainerMapping StorageEntityContainer="northwindModelStoreContainer" CdmEntityContainer="northwindEntities">
          <EntitySetMapping Name="Categories">
            <EntityTypeMapping TypeName="IsTypeOf(northwindEFModel.Categories)">
            <EntityTypeMapping TypeName="IsTypeOf(northwindModel.Categories)">
              <MappingFragment StoreEntitySet="Categories">
                <ScalarProperty Name="CategoryID" ColumnName="CategoryID" />
                <ScalarProperty Name="CategoryName" ColumnName="CategoryName" />
                <ScalarProperty Name="Description" ColumnName="Description" />
                <ScalarProperty Name="Picture" ColumnName="Picture" />
              </MappingFragment>
            </EntityTypeMapping>
          </EntitySetMapping>
          <EntitySetMapping Name="CustomerDemographics">
            <EntityTypeMapping TypeName="IsTypeOf(northwindModel.CustomerDemographics)">
              <MappingFragment StoreEntitySet="CustomerDemographics">
                <ScalarProperty Name="CustomerTypeID" ColumnName="CustomerTypeID" />
                <ScalarProperty Name="CustomerDesc" ColumnName="CustomerDesc" />
              </MappingFragment>
            </EntityTypeMapping>
          </EntitySetMapping>
          <EntitySetMapping Name="Customers">
            <EntityTypeMapping TypeName="IsTypeOf(northwindEFModel.Customers)">
            <EntityTypeMapping TypeName="IsTypeOf(northwindModel.Customers)">
              <MappingFragment StoreEntitySet="Customers">
                <ScalarProperty Name="CustomerID" ColumnName="CustomerID" />
                <ScalarProperty Name="CompanyName" ColumnName="CompanyName" />
                <ScalarProperty Name="ContactName" ColumnName="ContactName" />
                <ScalarProperty Name="ContactTitle" ColumnName="ContactTitle" />
                <ScalarProperty Name="Address" ColumnName="Address" />
                <ScalarProperty Name="City" ColumnName="City" />
                <ScalarProperty Name="Region" ColumnName="Region" />
                <ScalarProperty Name="PostalCode" ColumnName="PostalCode" />
                <ScalarProperty Name="Country" ColumnName="Country" />
                <ScalarProperty Name="Phone" ColumnName="Phone" />
                <ScalarProperty Name="Fax" ColumnName="Fax" />
              </MappingFragment>
            </EntityTypeMapping>
          </EntitySetMapping>
          <EntitySetMapping Name="Employees">
            <EntityTypeMapping TypeName="IsTypeOf(northwindEFModel.Employees)">
            <EntityTypeMapping TypeName="IsTypeOf(northwindModel.Employees)">
              <MappingFragment StoreEntitySet="Employees">
                <ScalarProperty Name="EmployeeID" ColumnName="EmployeeID" />
                <ScalarProperty Name="LastName" ColumnName="LastName" />
                <ScalarProperty Name="FirstName" ColumnName="FirstName" />
                <ScalarProperty Name="Title" ColumnName="Title" />
                <ScalarProperty Name="TitleOfCourtesy" ColumnName="TitleOfCourtesy" />
                <ScalarProperty Name="BirthDate" ColumnName="BirthDate" />
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                <ScalarProperty Name="Extension" ColumnName="Extension" />
                <ScalarProperty Name="Photo" ColumnName="Photo" />
                <ScalarProperty Name="Notes" ColumnName="Notes" />
                <ScalarProperty Name="PhotoPath" ColumnName="PhotoPath" />
              </MappingFragment>
            </EntityTypeMapping>
          </EntitySetMapping>
          <EntitySetMapping Name="InternationalOrders">
            <EntityTypeMapping TypeName="IsTypeOf(northwindEFModel.InternationalOrders)">
              <MappingFragment StoreEntitySet="InternationalOrders">
                <ScalarProperty Name="OrderID" ColumnName="OrderID" />
                <ScalarProperty Name="CustomsDescription" ColumnName="CustomsDescription" />
                <ScalarProperty Name="ExciseTax" ColumnName="ExciseTax" />
              </MappingFragment>
            </EntityTypeMapping>
          </EntitySetMapping>
          <EntitySetMapping Name="OrderDetails">
            <EntityTypeMapping TypeName="IsTypeOf(northwindEFModel.OrderDetails)">
              <MappingFragment StoreEntitySet="OrderDetails">
          <EntitySetMapping Name="Order_Details">
            <EntityTypeMapping TypeName="IsTypeOf(northwindModel.Order_Details)">
              <MappingFragment StoreEntitySet="Order Details">
                <ScalarProperty Name="OrderID" ColumnName="OrderID" />
                <ScalarProperty Name="ProductID" ColumnName="ProductID" />
                <ScalarProperty Name="UnitPrice" ColumnName="UnitPrice" />
                <ScalarProperty Name="Quantity" ColumnName="Quantity" />
                <ScalarProperty Name="Discount" ColumnName="Discount" />
              </MappingFragment>
            </EntityTypeMapping>
          </EntitySetMapping>
          <EntitySetMapping Name="Orders">
            <EntityTypeMapping TypeName="IsTypeOf(northwindEFModel.Orders)">
            <EntityTypeMapping TypeName="IsTypeOf(northwindModel.Orders)">
              <MappingFragment StoreEntitySet="Orders">
                <ScalarProperty Name="OrderID" ColumnName="OrderID" />
                <ScalarProperty Name="EmployeeID" ColumnName="EmployeeID" />
                <ScalarProperty Name="OrderDate" ColumnName="OrderDate" />
                <ScalarProperty Name="RequiredDate" ColumnName="RequiredDate" />
                <ScalarProperty Name="ShippedDate" ColumnName="ShippedDate" />
                <ScalarProperty Name="Freight" ColumnName="Freight" />
                <ScalarProperty Name="ShipName" ColumnName="ShipName" />
                <ScalarProperty Name="ShipAddress" ColumnName="ShipAddress" />
                <ScalarProperty Name="ShipCity" ColumnName="ShipCity" />
                <ScalarProperty Name="ShipRegion" ColumnName="ShipRegion" />
                <ScalarProperty Name="ShipPostalCode" ColumnName="ShipPostalCode" />
                <ScalarProperty Name="ShipCountry" ColumnName="ShipCountry" />
              </MappingFragment>
            </EntityTypeMapping>
          </EntitySetMapping>
          <EntitySetMapping Name="PreviousEmployees">
            <EntityTypeMapping TypeName="IsTypeOf(northwindEFModel.PreviousEmployees)">
              <MappingFragment StoreEntitySet="PreviousEmployees">
                <ScalarProperty Name="EmployeeID" ColumnName="EmployeeID" />
                <ScalarProperty Name="LastName" ColumnName="LastName" />
                <ScalarProperty Name="FirstName" ColumnName="FirstName" />
                <ScalarProperty Name="Title" ColumnName="Title" />
                <ScalarProperty Name="TitleOfCourtesy" ColumnName="TitleOfCourtesy" />
                <ScalarProperty Name="BirthDate" ColumnName="BirthDate" />
                <ScalarProperty Name="HireDate" ColumnName="HireDate" />
                <ScalarProperty Name="Address" ColumnName="Address" />
                <ScalarProperty Name="City" ColumnName="City" />
                <ScalarProperty Name="Region" ColumnName="Region" />
                <ScalarProperty Name="PostalCode" ColumnName="PostalCode" />
                <ScalarProperty Name="Country" ColumnName="Country" />
                <ScalarProperty Name="HomePhone" ColumnName="HomePhone" />
                <ScalarProperty Name="Extension" ColumnName="Extension" />
                <ScalarProperty Name="Photo" ColumnName="Photo" />
                <ScalarProperty Name="Notes" ColumnName="Notes" />
                <ScalarProperty Name="PhotoPath" ColumnName="PhotoPath" />
              </MappingFragment>
            </EntityTypeMapping>
          </EntitySetMapping>
          <EntitySetMapping Name="Products">
            <EntityTypeMapping TypeName="IsTypeOf(northwindEFModel.Products)">
            <EntityTypeMapping TypeName="IsTypeOf(northwindModel.Products)">
              <MappingFragment StoreEntitySet="Products">
                <ScalarProperty Name="ProductID" ColumnName="ProductID" />
                <ScalarProperty Name="ProductName" ColumnName="ProductName" />
                <ScalarProperty Name="QuantityPerUnit" ColumnName="QuantityPerUnit" />
                <ScalarProperty Name="UnitPrice" ColumnName="UnitPrice" />
                <ScalarProperty Name="UnitsInStock" ColumnName="UnitsInStock" />
                <ScalarProperty Name="UnitsOnOrder" ColumnName="UnitsOnOrder" />
                <ScalarProperty Name="ReorderLevel" ColumnName="ReorderLevel" />
                <ScalarProperty Name="Discontinued" ColumnName="Discontinued" />
                <ScalarProperty Name="DiscontinuedDate" ColumnName="DiscontinuedDate" />
              </MappingFragment>
            </EntityTypeMapping>
          </EntitySetMapping>
          <EntitySetMapping Name="Regions">
            <EntityTypeMapping TypeName="IsTypeOf(northwindEFModel.Regions)">
              <MappingFragment StoreEntitySet="Regions">
          <EntitySetMapping Name="Region">
            <EntityTypeMapping TypeName="IsTypeOf(northwindModel.Region)">
              <MappingFragment StoreEntitySet="Region">
                <ScalarProperty Name="RegionID" ColumnName="RegionID" />
                <ScalarProperty Name="RegionDescription" ColumnName="RegionDescription" />
              </MappingFragment>
            </EntityTypeMapping>
          </EntitySetMapping>
          <EntitySetMapping Name="Shippers">
            <EntityTypeMapping TypeName="IsTypeOf(northwindModel.Shippers)">
              <MappingFragment StoreEntitySet="Shippers">
                <ScalarProperty Name="ShipperID" ColumnName="ShipperID" />
                <ScalarProperty Name="CompanyName" ColumnName="CompanyName" />
                <ScalarProperty Name="Phone" ColumnName="Phone" />
              </MappingFragment>
            </EntityTypeMapping>
          </EntitySetMapping>
          <EntitySetMapping Name="Suppliers">
            <EntityTypeMapping TypeName="IsTypeOf(northwindEFModel.Suppliers)">
            <EntityTypeMapping TypeName="IsTypeOf(northwindModel.Suppliers)">
              <MappingFragment StoreEntitySet="Suppliers">
                <ScalarProperty Name="SupplierID" ColumnName="SupplierID" />
                <ScalarProperty Name="CompanyName" ColumnName="CompanyName" />
                <ScalarProperty Name="ContactName" ColumnName="ContactName" />
                <ScalarProperty Name="ContactTitle" ColumnName="ContactTitle" />
                <ScalarProperty Name="Address" ColumnName="Address" />
                <ScalarProperty Name="City" ColumnName="City" />
                <ScalarProperty Name="Region" ColumnName="Region" />
                <ScalarProperty Name="PostalCode" ColumnName="PostalCode" />
                <ScalarProperty Name="Country" ColumnName="Country" />
                <ScalarProperty Name="Phone" ColumnName="Phone" />
                <ScalarProperty Name="Fax" ColumnName="Fax" />
                <ScalarProperty Name="HomePage" ColumnName="HomePage" />
              </MappingFragment>
            </EntityTypeMapping>
          </EntitySetMapping>
          <EntitySetMapping Name="Territories">
            <EntityTypeMapping TypeName="IsTypeOf(northwindEFModel.Territories)">
            <EntityTypeMapping TypeName="IsTypeOf(northwindModel.Territories)">
              <MappingFragment StoreEntitySet="Territories">
                <ScalarProperty Name="TerritoryID" ColumnName="TerritoryID" />
                <ScalarProperty Name="TerritoryDescription" ColumnName="TerritoryDescription" />
              </MappingFragment>
            </EntityTypeMapping>
          </EntitySetMapping>
          <AssociationSetMapping Name="FK_Products_CategoryID_CategoryID" TypeName="northwindEFModel.FK_Products_CategoryID_CategoryID" StoreEntitySet="Products">
          <AssociationSetMapping Name="FK_Products_CategoryID_CategoryID" TypeName="northwindModel.FK_Products_CategoryID_CategoryID" StoreEntitySet="Products">
            <EndProperty Name="Categories">
              <ScalarProperty Name="CategoryID" ColumnName="CategoryID" />
            </EndProperty>
            <EndProperty Name="Products">
              <ScalarProperty Name="ProductID" ColumnName="ProductID" />
            </EndProperty>
            <Condition ColumnName="CategoryID" IsNull="false" />
          </AssociationSetMapping>
          <AssociationSetMapping Name="FK_Orders_CustomerID_CustomerID" TypeName="northwindEFModel.FK_Orders_CustomerID_CustomerID" StoreEntitySet="Orders">
          <AssociationSetMapping Name="FK_Orders_CustomerID_CustomerID" TypeName="northwindModel.FK_Orders_CustomerID_CustomerID" StoreEntitySet="Orders">
            <EndProperty Name="Customers">
              <ScalarProperty Name="CustomerID" ColumnName="CustomerID" />
            </EndProperty>
            <EndProperty Name="Orders">
              <ScalarProperty Name="OrderID" ColumnName="OrderID" />
            </EndProperty>
            <Condition ColumnName="CustomerID" IsNull="false" />
          </AssociationSetMapping>
          <AssociationSetMapping Name="FK_Employees_ReportsTo_EmployeeID" TypeName="northwindModel.FK_Employees_ReportsTo_EmployeeID" StoreEntitySet="Employees">
            <EndProperty Name="Employees">
              <ScalarProperty Name="EmployeeID" ColumnName="ReportsTo" />
            </EndProperty>
            <EndProperty Name="Employees1">
              <ScalarProperty Name="EmployeeID" ColumnName="EmployeeID" />
            </EndProperty>
            <Condition ColumnName="ReportsTo" IsNull="false" />
          <AssociationSetMapping Name="FK_InternationalOrders_OrderID_OrderID" TypeName="northwindEFModel.FK_InternationalOrders_OrderID_OrderID" StoreEntitySet="InternationalOrders">
          </AssociationSetMapping>
          <AssociationSetMapping Name="FK_Orders_EmployeeID_EmployeeID" TypeName="northwindModel.FK_Orders_EmployeeID_EmployeeID" StoreEntitySet="Orders">
            <EndProperty Name="Employees">
              <ScalarProperty Name="EmployeeID" ColumnName="EmployeeID" />
            </EndProperty>
            <EndProperty Name="Orders">
              <ScalarProperty Name="OrderID" ColumnName="OrderID" />
            </EndProperty>
            <EndProperty Name="InternationalOrders">
              <ScalarProperty Name="OrderID" ColumnName="OrderID" />
            <Condition ColumnName="EmployeeID" IsNull="false" />
            </EndProperty>
          </AssociationSetMapping>
          <AssociationSetMapping Name="FK_OrderDetails_OrderID_OrderID" TypeName="northwindEFModel.FK_OrderDetails_OrderID_OrderID" StoreEntitySet="OrderDetails">
          <AssociationSetMapping Name="FK_Order_Details_OrderID_OrderID" TypeName="northwindModel.FK_Order_Details_OrderID_OrderID" StoreEntitySet="Order Details">
            <EndProperty Name="Orders">
              <ScalarProperty Name="OrderID" ColumnName="OrderID" />
            </EndProperty>
            <EndProperty Name="OrderDetails">
            <EndProperty Name="Order_Details">
              <ScalarProperty Name="OrderID" ColumnName="OrderID" />
              <ScalarProperty Name="ProductID" ColumnName="ProductID" />
            </EndProperty>
          </AssociationSetMapping>
          <AssociationSetMapping Name="FK_Order_Details_ProductID_ProductID" TypeName="northwindModel.FK_Order_Details_ProductID_ProductID" StoreEntitySet="Order Details">
            <EndProperty Name="Products">
              <ScalarProperty Name="ProductID" ColumnName="ProductID" />
            </EndProperty>
            <EndProperty Name="Order_Details">
              <ScalarProperty Name="OrderID" ColumnName="OrderID" />
              <ScalarProperty Name="ProductID" ColumnName="ProductID" />
            </EndProperty>
          </AssociationSetMapping>
          <AssociationSetMapping Name="FK_OrderDetails_ProductID_ProductID" TypeName="northwindEFModel.FK_OrderDetails_ProductID_ProductID" StoreEntitySet="OrderDetails">
            <EndProperty Name="Products">
              <ScalarProperty Name="ProductID" ColumnName="ProductID" />
          <AssociationSetMapping Name="FK_Orders_ShipVia_ShipperID" TypeName="northwindModel.FK_Orders_ShipVia_ShipperID" StoreEntitySet="Orders">
            <EndProperty Name="Shippers">
              <ScalarProperty Name="ShipperID" ColumnName="ShipVia" />
            </EndProperty>
            <EndProperty Name="OrderDetails">
            <EndProperty Name="Orders">
              <ScalarProperty Name="OrderID" ColumnName="OrderID" />
              <ScalarProperty Name="ProductID" ColumnName="ProductID" />
            </EndProperty>
            <Condition ColumnName="ShipVia" IsNull="false" />
          </AssociationSetMapping>
          <AssociationSetMapping Name="FK_Products_SupplierID_SupplierID" TypeName="northwindEFModel.FK_Products_SupplierID_SupplierID" StoreEntitySet="Products">
          <AssociationSetMapping Name="FK_Products_SupplierID_SupplierID" TypeName="northwindModel.FK_Products_SupplierID_SupplierID" StoreEntitySet="Products">
            <EndProperty Name="Suppliers">
              <ScalarProperty Name="SupplierID" ColumnName="SupplierID" />
            </EndProperty>
            <EndProperty Name="Products">
              <ScalarProperty Name="ProductID" ColumnName="ProductID" />
            </EndProperty>
            <Condition ColumnName="SupplierID" IsNull="false" />
          </AssociationSetMapping>
          <AssociationSetMapping Name="FK_Territories_RegionID_RegionID" TypeName="northwindEFModel.FK_Territories_RegionID_RegionID" StoreEntitySet="Territories">
            <EndProperty Name="Regions">
          <AssociationSetMapping Name="FK_Territories_RegionID_RegionID" TypeName="northwindModel.FK_Territories_RegionID_RegionID" StoreEntitySet="Territories">
            <EndProperty Name="Region">
              <ScalarProperty Name="RegionID" ColumnName="RegionID" />
            </EndProperty>
            <EndProperty Name="Territories">
              <ScalarProperty Name="TerritoryID" ColumnName="TerritoryID" />
            </EndProperty>
          </AssociationSetMapping>
          <AssociationSetMapping Name="CustomerCustomerDemo" TypeName="northwindModel.CustomerCustomerDemo" StoreEntitySet="CustomerCustomerDemo">
            <EndProperty Name="Customers">
              <ScalarProperty Name="CustomerID" ColumnName="CustomerID" />
            </EndProperty>
            <EndProperty Name="CustomerDemographics">
              <ScalarProperty Name="CustomerTypeID" ColumnName="CustomerTypeID" />
            </EndProperty>
          </AssociationSetMapping>
          <AssociationSetMapping Name="EmployeesTerritories" TypeName="northwindEFModel.EmployeesTerritories" StoreEntitySet="EmployeesTerritories">
          <AssociationSetMapping Name="EmployeeTerritories" TypeName="northwindModel.EmployeeTerritories" StoreEntitySet="EmployeeTerritories">
            <EndProperty Name="Employees">
              <ScalarProperty Name="EmployeeID" ColumnName="EmployeeID" />
            </EndProperty>
            <EndProperty Name="Territories">
              <ScalarProperty Name="TerritoryID" ColumnName="TerritoryID" />
            </EndProperty>
          </AssociationSetMapping>
          </EntityContainerMapping>
        </EntityContainerMapping>
      </Mapping>
    </edmx:Mappings>
  </edmx:Runtime>
  <!-- EF Designer content (DO NOT EDIT MANUALLY BELOW HERE) -->
  <edmx:Designer xmlns="http://schemas.microsoft.com/ado/2007/06/edmx">
    <edmx:Connection>
      <DesignerInfoPropertySet>
        <DesignerProperty Name="MetadataArtifactProcessing" Value="EmbedInOutputAssembly" />
      </DesignerInfoPropertySet>
    </edmx:Connection>
    <edmx:Options>
      <DesignerInfoPropertySet>
        <DesignerProperty Name="ValidateOnBuild" Value="true" />
      </DesignerInfoPropertySet>
    </edmx:Options>
    <!-- Diagram content (shape and connector positions) -->
    <edmx:Diagrams>
      <Diagram Name="NorthwindModel">
        <EntityTypeShape EntityType="northwindEFModel.Categories" Width="1.5" PointX="0.75" PointY="1.625" Height="1.9802864583333335" IsExpanded="true" />
        <EntityTypeShape EntityType="northwindEFModel.Customers" Width="1.5" PointX="0.75" PointY="9.625" Height="3.3263964843749996" IsExpanded="true" />
        <EntityTypeShape EntityType="northwindEFModel.Employees" Width="1.5" PointX="2.75" PointY="14.625" Height="4.4802050781250014" IsExpanded="true" />
        <EntityTypeShape EntityType="northwindEFModel.InternationalOrders" Width="1.5" PointX="5.25" PointY="10.375" Height="1.7879850260416674" IsExpanded="true" />
        <EntityTypeShape EntityType="northwindEFModel.OrderDetails" Width="1.5" PointX="5.25" PointY="1.5" Height="2.3648893229166656" IsExpanded="true" />
        <EntityTypeShape EntityType="northwindEFModel.Orders" Width="1.5" PointX="3" PointY="9.25" Height="3.9033007812499996" IsExpanded="true" />
        <EntityTypeShape EntityType="northwindEFModel.PreviousEmployees" Width="1.5" PointX="7.75" PointY="0.75" Height="4.2879036458333317" IsExpanded="true" />
        <EntityTypeShape EntityType="northwindEFModel.Products" Width="1.5" PointX="3" PointY="1" Height="3.3263964843749996" IsExpanded="true" />
        <EntityTypeShape EntityType="northwindEFModel.Regions" Width="1.5" PointX="2.75" PointY="6" Height="1.5956835937499996" IsExpanded="true" />
        <EntityTypeShape EntityType="northwindEFModel.Suppliers" Width="1.5" PointX="0.75" PointY="4.875" Height="3.5186979166666656" IsExpanded="true" />
        <EntityTypeShape EntityType="northwindEFModel.Territories" Width="1.5" PointX="5" PointY="5.875" Height="1.7879850260416674" IsExpanded="true" />
        <AssociationConnector Association="northwindEFModel.FK_Products_CategoryID_CategoryID" ManuallyRouted="false">
          <ConnectorPoint PointX="2.25" PointY="2.6151432291666667" />
          <ConnectorPoint PointX="3" PointY="2.6151432291666667" /></AssociationConnector>
        <AssociationConnector Association="northwindEFModel.FK_Orders_CustomerID_CustomerID" ManuallyRouted="false">
          <ConnectorPoint PointX="2.25" PointY="11.2881982421875" />
          <ConnectorPoint PointX="3" PointY="11.2881982421875" /></AssociationConnector>
        <AssociationConnector Association="northwindEFModel.FK_InternationalOrders_OrderID_OrderID" ManuallyRouted="false">
          <ConnectorPoint PointX="4.5" PointY="11.268992513020834" />
          <ConnectorPoint PointX="5.010416666666667" PointY="11.268992513020834" />
          <ConnectorPoint PointX="5.177083333333333" PointY="11.268992513020834" />
          <ConnectorPoint PointX="5.25" PointY="11.268992513020834" /></AssociationConnector>
        <AssociationConnector Association="northwindEFModel.FK_OrderDetails_OrderID_OrderID" ManuallyRouted="false">
          <ConnectorPoint PointX="3.75" PointY="9.25" />
          <ConnectorPoint PointX="3.75" PointY="7.84568359375" />
          <ConnectorPoint PointX="4.75" PointY="7.84568359375" />
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          <ConnectorPoint PointX="5.25" PointY="2.6824446614583328" /></AssociationConnector>
        <AssociationConnector Association="northwindEFModel.FK_OrderDetails_ProductID_ProductID" ManuallyRouted="false">
          <ConnectorPoint PointX="4.5" PointY="2.0287223307291664" />
          <ConnectorPoint PointX="5.25" PointY="2.0287223307291664" /></AssociationConnector>
        <AssociationConnector Association="northwindEFModel.FK_Products_SupplierID_SupplierID" ManuallyRouted="false">
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          <ConnectorPoint PointX="4.40625" PointY="5.40625" />
          <ConnectorPoint PointX="4.40625" PointY="4.326396484375" /></AssociationConnector>
        <EntityTypeShape EntityType="northwindModel.Categories" Width="1.5" PointX="3.75" PointY="16.125" Height="1.9802864583333317" IsExpanded="true" />
        <EntityTypeShape EntityType="northwindModel.CustomerDemographics" Width="1.5" PointX="3" PointY="3.5" Height="1.5956835937499996" IsExpanded="true" />
        <EntityTypeShape EntityType="northwindModel.Customers" Width="1.5" PointX="0.75" PointY="2.5" Height="3.5186979166666656" IsExpanded="true" />
        <EntityTypeShape EntityType="northwindModel.Employees" Width="1.5" PointX="3.75" PointY="9.375" Height="5.057109375" IsExpanded="true" />
        <EntityTypeShape EntityType="northwindModel.Order_Details" Width="1.5" PointX="8.25" PointY="3.125" Height="2.3648893229166656" IsExpanded="true" />
        <EntityTypeShape EntityType="northwindModel.Orders" Width="1.5" PointX="6" PointY="2.25" Height="3.9033007812499996" IsExpanded="true" />
        <EntityTypeShape EntityType="northwindModel.Products" Width="1.5" PointX="6" PointY="17.75" Height="3.1340950520833317" IsExpanded="true" />
        <EntityTypeShape EntityType="northwindModel.Region" Width="1.5" PointX="5.75" PointY="8" Height="1.5956835937499996" IsExpanded="true" />
        <EntityTypeShape EntityType="northwindModel.Shippers" Width="1.5" PointX="3.75" PointY="6.75" Height="1.7879850260416674" IsExpanded="true" />
        <EntityTypeShape EntityType="northwindModel.Suppliers" Width="1.5" PointX="3.75" PointY="18.875" Height="3.5186979166666674" IsExpanded="true" />
        <EntityTypeShape EntityType="northwindModel.Territories" Width="1.5" PointX="8" PointY="10.25" Height="1.7879850260416674" IsExpanded="true" />
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        <AssociationConnector Association="northwindModel.FK_Orders_CustomerID_CustomerID" ManuallyRouted="false">
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        <AssociationConnector Association="northwindModel.FK_Employees_ReportsTo_EmployeeID" ManuallyRouted="false">
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        <AssociationConnector Association="northwindModel.FK_Territories_RegionID_RegionID" ManuallyRouted="false">
          <ConnectorPoint PointX="7.25" PointY="8.797841796875" />
          <ConnectorPoint PointX="7.322916666666667" PointY="8.797841796875" />
          <ConnectorPoint PointX="7.489583333333333" PointY="8.797841796875" />
        <AssociationConnector Association="northwindEFModel.FK_Territories_RegionID_RegionID" ManuallyRouted="false">
          <ConnectorPoint PointX="4.25" PointY="6.797841796875" />
          <ConnectorPoint PointX="4.666666666666667" PointY="6.7978417968749989" />
          <ConnectorPoint PointX="4.833333333333333" PointY="6.797841796875" />
          <ConnectorPoint PointX="5" PointY="6.797841796875" /></AssociationConnector>
        <AssociationConnector Association="northwindEFModel.EmployeesTerritories" ManuallyRouted="false">
          <ConnectorPoint PointX="4.25" PointY="16.8651025390625" />
          <ConnectorPoint PointX="5.09375" PointY="16.8651025390625" />
          <ConnectorPoint PointX="5.09375" PointY="7.6629850260416674" /></AssociationConnector>
        </Diagram></edmx:Diagrams>
          <ConnectorPoint PointX="8.75" PointY="8.797841796875" />
          <ConnectorPoint PointX="8.75" PointY="10.25" /></AssociationConnector>
        <AssociationConnector Association="northwindModel.CustomerCustomerDemo" ManuallyRouted="false">
          <ConnectorPoint PointX="2.25" PointY="4.297841796875" />
          <ConnectorPoint PointX="3" PointY="4.297841796875" /></AssociationConnector>
        <AssociationConnector Association="northwindModel.EmployeeTerritories" ManuallyRouted="false">
          <ConnectorPoint PointX="5.25" PointY="11.143992513020834" />
          <ConnectorPoint PointX="7.322916666666667" PointY="11.143992513020834" />
          <ConnectorPoint PointX="7.489583333333333" PointY="11.143992513020834" />
          <ConnectorPoint PointX="8" PointY="11.143992513020834" /></AssociationConnector></Diagram></edmx:Diagrams>
  </edmx:Designer>
</edmx:Edmx>
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data.Objects;

namespace testlinq
{
  class Program
  {
    static void Main(string[] args)
    {
      using (northwindEFEntities db = new northwindEFEntities())
      using (northwindEntities db = new northwindEntities())
      {
        {
          string entitySQL = "SELECT VALUE o FROM Orders AS o WHERE SQLite.DatePart('yyyy', o.OrderDate) = 1997;";
          ObjectQuery<Orders> query = db.CreateQuery<Orders>(entitySQL);

          foreach (Orders o in query)
          {
            Console.WriteLine(o.ShipPostalCode);
          }
        }

        {
          var query = from c in db.Customers
                      where c.City == "London"
                      orderby c.CompanyName
                      select c;

          int cc = query.Count();

          foreach (Customers c in query)
          {
            Console.WriteLine(c.CompanyName);
          }
        }

        {
          string scity = "London";
          Customers c = db.Customers.FirstOrDefault(cd => cd.City == scity);
          Console.WriteLine(c.CompanyName);
        }

        {
          DateTime dt = new DateTime(1997, 1, 1);
          var query = from order in db.Orders
                      where order.OrderDate < dt
                      select order;

          foreach (Orders o in query)
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          c.Description = "My modified description";
          db.SaveChanges();

          db.DeleteObject(c);
          db.SaveChanges();
        }

        {
          Customers cust = new Customers();
          cust.CustomerID = "MTMTM";
          cust.ContactName = "My Name";
          cust.CompanyName = "SQLite Company";
          cust.Country = "Netherlands";
          cust.City = "Amsterdam";
          cust.Phone = "012345677";
          db.AddToCustomers(cust);
          db.SaveChanges();

          db.DeleteObject(cust);
          db.SaveChanges();
        }

        {
          var query = db.Customers.Where(cust => cust.Country == "Denmark")
                          .SelectMany(cust => cust.Orders.Where(o => o.Freight > 5));

          foreach (Orders c in query)
          {
            Console.WriteLine(c.Freight);
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          foreach (Orders o in query)
          {
            Console.WriteLine(o.ShipPostalCode);
          }
        }

        // This query requires SQLite 3.6.2 to function correctly
         //This query fails due to a SQLite core issue.  Currently pending review by Dr. Hipp
        {
          var query = from p in db.Products
                      where p.OrderDetails.Count(od => od.Orders.Customers.Country == p.Suppliers.Country) > 2
                      select p;
        //{
        //  var query = from p in db.Products
        //              where p.Order_Details.Count(od => od.Orders.Customers.Country == p.Suppliers.Country) > 2
        //              select p;

          foreach (Products p in query)
        //  foreach (Products p in query)
          {
            Console.WriteLine(p.ProductName);
        //  {
        //    Console.WriteLine(p.ProductName);
          }
        }
        //  }
        //}
      }
      Console.ReadKey();
    }
  }
}
Added testlinq/northwind.db.

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      <DependentUpon>NorthwindModel.edmx</DependentUpon>
    </Compile>
    <Compile Include="Program.cs" />
    <Compile Include="Properties\AssemblyInfo.cs" />
  </ItemGroup>
  <ItemGroup>
    <None Include="App.Config" />
    <None Include="northwindEF.db">
    <None Include="northwind.db">
      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
    </None>
    <EntityDeploy Include="NorthwindModel.edmx">
      <Generator>EntityModelCodeGenerator</Generator>
      <LastGenOutput>NorthwindModel.Designer.cs</LastGenOutput>
    </EntityDeploy>
  </ItemGroup>
︙
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/////////////////////////////////////////////////////////////////////////////
//
// Version
//

VS_VERSION_INFO VERSIONINFO
 FILEVERSION 1,0,59,0
 FILEVERSION 1,0,56,0
 PRODUCTVERSION 1,0,0,0
 FILEFLAGSMASK 0x17L
#ifdef _DEBUG
 FILEFLAGS 0x1L
#else
 FILEFLAGS 0x0L
#endif
 FILEOS 0x4L
 FILETYPE 0x1L
 FILESUBTYPE 0x0L
BEGIN
    BLOCK "StringFileInfo"
    BEGIN
        BLOCK "040904b0"
        BEGIN
            VALUE "Comments", "http://sqlite.phxsoftware.com"
            VALUE "FileDescription", "SQLite ADO.NET 2.0 Setup"
            VALUE "FileVersion", "1.0.59.0"
            VALUE "FileVersion", "1.0.56.0"
            VALUE "InternalName", "setup"
            VALUE "LegalCopyright", "Released to the public domain"
            VALUE "OriginalFilename", "setup.exe"
            VALUE "ProductName", "System.Data.SQLite"
            VALUE "ProductVersion", "1.0"
        END
    END
︙
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        {
        "MsmKey" = "8:_1A571C82DAEBE73A54E0D256CAAD80DF"
        "OwnerKey" = "8:_3578C7AADEF926410602B18EDBBEFFF9"
        "MsmSig" = "8:_UNDEFINED"
        }
        "Entry"
        {
        "MsmKey" = "8:_200C9E264509441F9AAB7EBE82A905DB"
        "OwnerKey" = "8:_UNDEFINED"
        "MsmSig" = "8:_UNDEFINED"
        }
        "Entry"
        {
        "MsmKey" = "8:_244D4945EA335F5E4E54085BFD020CC1"
        "OwnerKey" = "8:_A7448E608040319F6C5E12637881B1F6"
        "MsmSig" = "8:_UNDEFINED"
        }
        "Entry"
        {
        "MsmKey" = "8:_2560D913B1D74BAAB2B910FD325E9721"
        "OwnerKey" = "8:_UNDEFINED"
        "MsmSig" = "8:_UNDEFINED"
        }
        "Entry"
        {
        "MsmKey" = "8:_26E74AC417994018832F9B82462AA3AF"
        "OwnerKey" = "8:_UNDEFINED"
        "MsmSig" = "8:_UNDEFINED"
        }
        "Entry"
        {
        "MsmKey" = "8:_29B62FDE3E56411381A6E8B358CBB0F5"
        "OwnerKey" = "8:_UNDEFINED"
        "MsmSig" = "8:_UNDEFINED"
        }
        "Entry"
        {
        "MsmKey" = "8:_2C7EDFF06B61482393D94E3A63D90113"
        "OwnerKey" = "8:_UNDEFINED"
        "MsmSig" = "8:_UNDEFINED"
        }
        "Entry"
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        "Entry"
        {
        "MsmKey" = "8:_9352653B827F735B8C3BE81D11522ECC"
        "OwnerKey" = "8:_B00FB4712154B7A5894294702C96689D"
        "MsmSig" = "8:_UNDEFINED"
        }
        "Entry"
        {
        "MsmKey" = "8:_A1873A8DC29649A4BAF00E155CDCB8BF"
        "OwnerKey" = "8:_UNDEFINED"
        "MsmSig" = "8:_UNDEFINED"
        }
        "Entry"
        {
        "MsmKey" = "8:_A18DBDB7776215EAD9A52C96F8CA1E91"
        "OwnerKey" = "8:_40F352185F3B41A485F42BFC64BF9162"
        "MsmSig" = "8:_UNDEFINED"
        }
        "Entry"
        {
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        "Entry"
        {
        "MsmKey" = "8:_CD3CE5CDAB13405EA6EAAADC95F88D2E"
        "OwnerKey" = "8:_UNDEFINED"
        "MsmSig" = "8:_UNDEFINED"
        }
        "Entry"
        {
        "MsmKey" = "8:_CE9E3EF0722342DB8DE0860C0DDCD39E"
        "OwnerKey" = "8:_UNDEFINED"
        "MsmSig" = "8:_UNDEFINED"
        }
        "Entry"
        {
        "MsmKey" = "8:_CEFA203C4DAE4417B0E17113DA2684CD"
        "OwnerKey" = "8:_UNDEFINED"
        "MsmSig" = "8:_UNDEFINED"
        }
        "Entry"
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        "OwnerKey" = "8:_2C7EDFF06B61482393D94E3A63D90113"
        "MsmSig" = "8:_UNDEFINED"
        }
        "Entry"
        {
        "MsmKey" = "8:_F320FBAE871DA320178BEEA242900CC7"
        "OwnerKey" = "8:_CE9E3EF0722342DB8DE0860C0DDCD39E"
        "MsmSig" = "8:_UNDEFINED"
        }
        "Entry"
        {
        "MsmKey" = "8:_UNDEFINED"
        "OwnerKey" = "8:_B29C75F5F4D24817846DCEF9951068E1"
        "MsmSig" = "8:_UNDEFINED"
        }
        "Entry"
        {
        "MsmKey" = "8:_UNDEFINED"
        "OwnerKey" = "8:_CE9E3EF0722342DB8DE0860C0DDCD39E"
        "MsmSig" = "8:_UNDEFINED"
        }
        "Entry"
        {
        "MsmKey" = "8:_UNDEFINED"
        "OwnerKey" = "8:_E6DB5A9B08AC4645A19C948BBFDD0348"
        "MsmSig" = "8:_UNDEFINED"
        }
        "Entry"
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        }
        "Entry"
        {
        "MsmKey" = "8:_UNDEFINED"
        "OwnerKey" = "8:_F320FBAE871DA320178BEEA242900CC7"
        "MsmSig" = "8:_UNDEFINED"
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        "Entry"
        {
        "MsmKey" = "8:_UNDEFINED"
        "OwnerKey" = "8:_29B62FDE3E56411381A6E8B358CBB0F5"
        "MsmSig" = "8:_UNDEFINED"
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        "Entry"
        {
        "MsmKey" = "8:_UNDEFINED"
        "OwnerKey" = "8:_244D4945EA335F5E4E54085BFD020CC1"
        "MsmSig" = "8:_UNDEFINED"
        }
        "Entry"
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            "SharedLegacy" = "11:FALSE"
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            {
            "SourcePath" = "8:..\\..\\bin\\CompactFramework\\SQLite.Interop.059.lib"
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            "Tag" = "8:"
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            "PackageAs" = "3:1"
            "Register" = "3:1"
            "Exclude" = "11:FALSE"
            "IsDependency" = "11:FALSE"
            "IsolateTo" = "8:"
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            "{9F6F8455-1EF1-4B85-886A-4223BCC8E7F7}:_244D4945EA335F5E4E54085BFD020CC1"
            {
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                "ScatterAssemblies"
                {
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            "SharedLegacy" = "11:FALSE"
            "PackageAs" = "3:1"
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            "Exclude" = "11:TRUE"
            "IsDependency" = "11:TRUE"
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                "ScatterAssemblies"
                {
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                    {
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                    "Attributes" = "3:512"
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︙
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︙
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︙
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︙
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︙