System.Data.SQLite
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Overview
Comment:pre 1.0.59.0
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | sourceforge
Files: files | file ages | folders
SHA1: c0dab1edea10bb50a368d089866fb845e4cb262b
User & Date: rmsimpson 2008-09-02 15:46:09
Context
2008-09-03
05:03
pre 1.0.59.0 check-in: 016669885b 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
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to Doc/Extra/dbfactorysupport.html.

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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=1.0.56.0, Culture=neutral,
                 PublicKeyToken=db937bc2d44ff139"/>
    </DbProviderFactories>
  </system.data>
</configuration>
</pre>
      </div>
      <p>







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&lt;configuration&gt;
  &lt;system.data&gt;
    &lt;DbProviderFactories&gt;
      &lt;remove invariant="System.Data.SQLite"/&gt;
      &lt;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=1.0.58.0, Culture=neutral,
                 PublicKeyToken=db937bc2d44ff139"/&gt;
    &lt;/DbProviderFactories&gt;
  &lt;/system.data&gt;
&lt;/configuration&gt;
</pre>
      </div>
      <p>

Changes to Doc/Extra/version.html.

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          </td>
        </tr>
      </table>
    </div>
    <div id="mainSection">
    <div id="mainBody">
    <h1 class="heading">Version History</h1>


































    <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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          </td>
        </tr>
      </table>
    </div>
    <div id="mainSection">
    <div id="mainBody">
    <h1 class="heading">Version History</h1>
    <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; 

Changes to Doc/SQLite.NET.chm.

cannot compute difference between binary files

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("1.0.35.0")]
[assembly: AssemblyFileVersion("1.0.35.0")]
[assembly: AssemblyDelaySignAttribute(false)]
[assembly: AssemblyKeyFileAttribute("..\\System.Data.SQLite\\System.Data.SQLite.snk")]
[assembly: AssemblyKeyNameAttribute("")]







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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: 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 { _defaultValue = value; }



    }

    internal void WriteSql(StringBuilder builder)
    {
      builder.AppendFormat("[{0}]", ColumnName);
      if (String.IsNullOrEmpty(DataType) == false)
        builder.AppendFormat(" {0}", DataType);
................................................................................

      if (Unique.Enabled == true && isprimary == false)
      {
        builder.Append(" UNIQUE");
        if (Unique.Conflict != ConflictEnum.Abort)
          builder.AppendFormat(" ON CONFLICT {0}", Unique.Conflict.ToString().ToUpperInvariant());
      }



    }
  }
}







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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;
          _table.MakeDirty();
        }
      }
    }

    internal void WriteSql(StringBuilder builder)
    {
      builder.AppendFormat("[{0}]", ColumnName);
      if (String.IsNullOrEmpty(DataType) == false)
        builder.AppendFormat(" {0}", DataType);
................................................................................

      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 primary (parent) column of the foreign key relationship")]
    public new string Column
    {
      get { return base.Column; }
      set { SetColumn(value); }
    }

    [Browsable(false)]
................................................................................
    }

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

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

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

................................................................................
      {
        _name = null;
        _from = new ForeignKeyFromItem(this, "");
        _to = new ForeignKeyToItem(this, _table.Catalog, "", "");
      }
    }

    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)
      {

        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
................................................................................
    public DbConnection GetConnection()
    {
      return ((IHaveConnection)_table).GetConnection();
    }

    #endregion

    [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("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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  {
    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")]
    public new string Column
    {
      get { return base.Column; }
      set { SetColumn(value); }
    }

    [Browsable(false)]
................................................................................
    }

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

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

    [DisplayName("Base Table")]
    [Editor(typeof(TablesTypeEditor), typeof(UITypeEditor))]
    [Description("The 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.")]
    public new string Column
    {
      get { return base.Column; }
      set { SetColumn(value); }
    }
  }

................................................................................
      {
        _name = null;
        _from = new ForeignKeyFromItem(this, "");
        _to = new ForeignKeyToItem(this, _table.Catalog, "", "");
      }
    }

    //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)

    //  {
    //    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
................................................................................
    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.")]
    public ForeignKeyFromItem From
    {
      get { return _from; }
    }

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

    #region ICloneable Members

Changes to SQLite.Designer/Design/Table.cs.

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    {
      get { return _origSql; }
    }

    [Category("Storage")]
    [RefreshProperties(RefreshProperties.All)]
    [ParenthesizePropertyName(true)]

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

      foreach (ForeignKey fkey in ForeignKeys)
      {















        builder.Append(separator);
        fkey.WriteSql(builder);









      }

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

      // Rebuilding an existing table
      if (altName != null)
      {
................................................................................
          separator = "\r\n";
        }
        builder.AppendLine();
      }

      return builder.ToString();
    }























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








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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)
        {
................................................................................
            break;
          }
        }
        builder.Append(separator);
        builder.AppendFormat("CONSTRAINT [CK_{0}_{1}] CHECK {2}", Name, n + 1, check);
      }

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

      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);
          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)
      {
................................................................................
          separator = "\r\n";
        }
        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; }
    }

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">
          <DisplayName>Source Column</DisplayName>
          <Category resource="Category_Source"/>
        </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">
          <DisplayName>Referenced Column</DisplayName>
          <Category resource="Category_Refs"/>
        </Property>
      </Properties>
      <CommandBindings>
        <CommandBinding name="NewQuery" guid="501822E1-B5AF-11d0-B4DC-00A0C91506EF" cmdid="13608" handler="884DD964-5327-461f-9F06-6484DD540F8F"/>
      </CommandBindings>
    </TypeExtension>
  </TypeExtensions>








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          <Category resource="Category_Location"/>
        </Part>
        <Part name="Table">
          <Category resource="Category_Location"/>
        </Part>
      </Identifier>
      <Properties>
        <!--<Property name="ColumnName">
          <DisplayName>Source Column</DisplayName>
          <Category resource="Category_Source"/>
        </Property>-->
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Changes to SQLite.Designer/SQLiteDataViewSupport2008.xml.

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          <Category resource="Category_Location"/>
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    </TypeExtension>
  </TypeExtensions>








|


|








|


|







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          <Category resource="Category_Location"/>
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Changes to SQLite.Interop/SQLite.Interop.rc.

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/////////////////////////////////////////////////////////////////////////////
//
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        VALUE "Translation", 0x409, 1200







|







 







|


|







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/////////////////////////////////////////////////////////////////////////////
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Changes to SQLite.Interop/SQLite.Interop.vcproj.

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....
1967
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2016
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....
2120
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2149
....
2175
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2178
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....
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2240
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....
2279
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....
2328
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....
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....
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....
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				<FileConfiguration
					Name="Debug|Pocket PC 2003 (ARMV4)"
					ExcludedFromBuild="true"
					>
					<Tool
						Name="VCCLCompilerTool"
					/>
				</FileConfiguration>
			</File>
			<File
				RelativePath=".\splitsource\utf.c"
				>
				<FileConfiguration
					Name="Release|Win32"
................................................................................
				<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\util.c"
				>
				<FileConfiguration
					Name="Release|Win32"
................................................................................
						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\vacuum.c"
................................................................................
				<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\vdbe.c"
				>
				<FileConfiguration
					Name="Release|Win32"
................................................................................
				<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\vdbeapi.c"
				>
				<FileConfiguration
					Name="Release|Win32"
................................................................................
						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\vdbeaux.c"
................................................................................
				<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\vdbeblob.c"
				>
				<FileConfiguration
					Name="Release|Win32"
................................................................................
				<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\vdbefifo.c"
				>
				<FileConfiguration
					Name="Release|Win32"
................................................................................
						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"
................................................................................
				<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\vtab.c"
				>
				<FileConfiguration
					Name="Release|Win32"
................................................................................
				<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"
................................................................................
						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

Changes to SQLite.Interop/crypt.c.

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#ifndef SQLITE_OMIT_DISKIO
#ifdef SQLITE_HAS_CODEC

#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_OMIT_DISKIO
#ifdef SQLITE_HAS_CODEC

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

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

// Extra padding before and after the cryptographic buffer

Changes to SQLite.Interop/interop.c.

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#ifdef NDEBUG
#include "src/sqlite3.c"
#else
#include "splitsource\btreeint.h"
#include "splitsource\vdbeint.h"
#include "splitsource\sqliteInt.h"
#endif

................................................................................
#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)(
................................................................................
    DWORD,
    DWORD,
    LPSECURITY_ATTRIBUTES,
    DWORD,
    DWORD,
    HANDLE);

static CRITICAL_SECTION g_cs;
static LONG g_dwcsInit = 0;

void EnterGlobalMutex()
{
  if (InterlockedCompareExchange(&g_dwcsInit, 1, 0) == 0)
    InitializeCriticalSection(&g_cs);

  EnterCriticalSection(&g_cs);
}

void LeaveGlobalMutex()
{
  LeaveCriticalSection(&g_cs);
}

int SetCompression(const wchar_t *pwszFilename, unsigned short ufLevel)
{
#ifdef FSCTL_SET_COMPRESSION
  HMODULE hMod = GetModuleHandle(_T("KERNEL32"));
  CREATEFILEW pfunc;
  HANDLE hFile;
  unsigned long dw = 0;
................................................................................
    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
................................................................................
        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);
  if (!ret)
................................................................................
  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;
        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;
|







 







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#ifndef SQLITE_DEBUG
#include "src/sqlite3.c"
#else
#include "splitsource\btreeint.h"
#include "splitsource\vdbeint.h"
#include "splitsource\sqliteInt.h"
#endif

................................................................................
#endif // _WIN32_WCE
#endif // NDEBUG

extern int RegisterExtensionFunctions(sqlite3 *db);

#ifdef SQLITE_OS_WIN




// 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)(
................................................................................
    DWORD,
    DWORD,
    LPSECURITY_ATTRIBUTES,
    DWORD,
    DWORD,
    HANDLE);

















int SetCompression(const wchar_t *pwszFilename, unsigned short ufLevel)
{
#ifdef FSCTL_SET_COMPRESSION
  HMODULE hMod = GetModuleHandle(_T("KERNEL32"));
  CREATEFILEW pfunc;
  HANDLE hFile;
  unsigned long dw = 0;
................................................................................
    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;
  


  ret = sqlite3_close(db);

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



  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;



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

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



  return ret;
}

__declspec(dllexport) int WINAPI sqlite3_open16_interop(const char *filename, int flags, sqlite3 **ppdb)
{
  int ret = sqlite3_open_interop(filename, flags, ppdb);
  if (!ret)
................................................................................
  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)
{

  Vdbe *p;
  sqlite3 *db;
  int ret;



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



  if (p->magic == VDBE_MAGIC_DEAD)
  {
    if (db == NULL)
    {
      sqlite3_free(p);
      ret = SQLITE_OK;

    }
  }

  else
    ret = sqlite3_finalize(stmt);
















  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\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[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;







|







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// This code was automatically generated from assembly
// 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[143788] = {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\bin\ManagedOnly\System.Data.SQLite.dll

#include <windef.h>

#pragma data_seg(push,clrseg,".clr")
#pragma comment(linker, "/SECTION:.clr,ER")
  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;

|





|







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// This code was automatically generated from assembly
// C:\Src\SQLite.NET\bin\System.Data.SQLite.dll

#include <windef.h>

#pragma data_seg(push,clrseg,".clr")
#pragma comment(linker, "/SECTION:.clr,ER")
  char __ph[169212] = {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.

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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 1.36 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++.
................................................................................
/*
** Add the ability to override 'extern'
*/
#ifndef SQLITE_EXTERN
# define SQLITE_EXTERN extern
#endif


























/*
** Ensure these symbols were not defined by some previous header file.
*/
#ifdef SQLITE_VERSION
# undef SQLITE_VERSION
#endif
#ifdef SQLITE_VERSION_NUMBER
................................................................................
**          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         "3.6.1"
#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
................................................................................
#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))


/*
** 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
................................................................................
#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


/*
** 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
................................................................................
** 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].
*/
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
................................................................................
** 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.
*/
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.
................................................................................
** 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.
**





** 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 compiled.
**
** {H12503} If the authorizer callback returns any value other than
**          [SQLITE_IGNORE], [SQLITE_OK], or [SQLITE_DENY], then
**          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
**          [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
................................................................................
** 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] 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]
**          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] is the name
**          of the database (example: "main", "temp", etc.) if applicable.
**
** {H12554} The 6th parameter to the
**          [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            */
................................................................................
** 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()] is

**          whenever an SQL statement first begins to execute and
**          whenever a trigger subprogram first begins to run.
**
** {H12282} Each call to [sqlite3_trace()] overrides the previously
**          registered trace callback.
**
** {H12283} A NULL trace callback disables tracing.
**
** {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.
................................................................................
**          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.
*/
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
................................................................................
**          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
**          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
**          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.
................................................................................
**
** 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.
*/
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.
................................................................................
** [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.
*/
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.
*/
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 */
);

................................................................................
** 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.
*/
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
................................................................................
** 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.
*/
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.
**
................................................................................
** 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()]
*/
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
................................................................................
** 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()].
*/
int sqlite3_db_status(sqlite3*, int op, int *pCur, int *pHiwtr, int resetFlg);

/*
** CAPI3REF: Status Parameters {H17250} <H17200>
** EXPERIMENTAL
**
** These integer constants designate various run-time status parameters
** that can be returned by [sqlite3_status()].







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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 1.37 2008/09/02 15:46:14 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++.
................................................................................
/*
** 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)
  #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)
  #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
................................................................................
**          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         "3.6.2"
#define SQLITE_VERSION_NUMBER  3006002

/*
** 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
................................................................................
#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
................................................................................
#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
................................................................................
** 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, ...);

/*
** 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
................................................................................
** 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, ...);

/*
** CAPI3REF: Memory Allocation Routines {H10155} <S20120>
** EXPERIMENTAL
**
** An instance of this object defines the interface between SQLite
** and low-level memory allocation routines.
................................................................................
** 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.
**
** 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.
**
** {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 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
**          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
................................................................................
** 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
**          [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
**          [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
**          of the database (example: "main", "temp", etc.) if applicable.
**
** {H12554} The 6th parameter to the
**          [sqlite3_set_authorizer | authorizer callback] shall be 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            */
................................................................................
** 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()] 
**          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
**          registered trace callback.
**
** {H12283} A NULL trace callback shall disable tracing.
**
** {H12284} The first argument to the trace callback shall be 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.
................................................................................
**          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(*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
................................................................................
**          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
**          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
**          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.
................................................................................
**
** 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);

/*
** 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.
................................................................................
** [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(
  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(
  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 */
);

................................................................................
** 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);

/*
** 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
................................................................................
** 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);

/*
** 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.
**
................................................................................
** 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);

/*
** 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
................................................................................
** 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);

/*
** CAPI3REF: Status Parameters {H17250} <H17200>
** EXPERIMENTAL
**
** These integer constants designate various run-time status parameters
** that can be returned by [sqlite3_status()].

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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 1.13 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;








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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 1.14 2008/09/02 15:46:15 rmsimpson Exp $
*/
#ifndef _SQLITE3EXT_H_
#define _SQLITE3EXT_H_
#include "sqlite3.h"

typedef struct sqlite3_api_routines sqlite3_api_routines;

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		{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 = Debug|Win32

		{10B51CE8-A838-44DE-BD82-B658F0296F80}.Debug - Stock|Win32.Deploy.0 = Debug|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}.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.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)

Changes to SQLite.NET.suo.

cannot compute difference between binary files

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//      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("2.0.36.0")]
[assembly: AssemblyFileVersion("2.0.36.0")]







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//      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("2.0.37.0")]
[assembly: AssemblyFileVersion("2.0.37.0")]

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.PRIMARY_KEY as [IsIdentity]
        ,   0 as [IsStoreGenerated]
        , c.COLUMN_DEFAULT as [Default]
        FROM
        TEMP.SCHEMACOLUMNS c
      </DefiningQuery>
    </EntitySet>

................................................................................
        TEMP.SCHEMAVIEWS
      </DefiningQuery>
    </EntitySet>

    <EntitySet Name="SViewColumns" EntityType="Self.ViewColumn">
      <DefiningQuery>
        SELECT
        '[' || 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.PRIMARY_KEY as [IsIdentity]
        ,   0 as [IsStoreGenerated]
        ,   c.COLUMN_DEFAULT [Default]
        FROM
        TEMP.SCHEMAVIEWCOLUMNS c
      </DefiningQuery>
    </EntitySet>

................................................................................
        FROM
        TEMP.SCHEMACONSTRAINTCOLUMNS
      </DefiningQuery>
    </EntitySet>

    <EntitySet Name="SForeignKeyConstraints" EntityType="Self.ForeignKeyConstraint">
      <DefiningQuery>
        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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        ,   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]
        ,   0 as [IsStoreGenerated]
        , c.COLUMN_DEFAULT as [Default]
        FROM
        TEMP.SCHEMACOLUMNS c
      </DefiningQuery>
    </EntitySet>

................................................................................
        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.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]
        ,   0 as [IsStoreGenerated]
        ,   c.COLUMN_DEFAULT [Default]
        FROM
        TEMP.SCHEMAVIEWCOLUMNS c
      </DefiningQuery>
    </EntitySet>

................................................................................
        FROM
        TEMP.SCHEMACONSTRAINTCOLUMNS
      </DefiningQuery>
    </EntitySet>

    <EntitySet Name="SForeignKeyConstraints" EntityType="Self.ForeignKeyConstraint">
      <DefiningQuery>
        SELECT DISTINCT
        '[' || 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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//---------------------------------------------------------------------
// <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>
  /// <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)"/>
  /// </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>
    /// Valid datepart values
    /// </summary>
    /// <returns></returns>
    private static Dictionary<string, string> InitializeDatepartKeywords()
    {
      #region Datepart Keywords
      //
      // valid datepart values
      //
      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
    }

    /// <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);

      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;

      //  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();

      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 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);
      }

      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;

          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);

      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))
        {
          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();
      //}

      //
      // 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);

          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);
    }

    /// <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 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");

      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);

      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)
    {
      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)
    {
      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();
    }

    /// <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

      //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;
    }


    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];

        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();

        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.

              // 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;
    }

    /// <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 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)
      {
        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)
      {
        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));
      }

      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)
    {
      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)
    {
      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;
    }

    /// <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();

      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)
    {
      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.
        //

        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)
    {
      // 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 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);
      }

      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;

        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)
    {
      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)
    {
      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;
      }
    }

    /// <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 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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//---------------------------------------------------------------------
// <copyright file="TopClause.cs" company="Microsoft">
//      Copyright (c) Microsoft Corporation.  All rights reserved.
// </copyright>
//---------------------------------------------------------------------













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

  /// <summary>
  /// TopClause represents the a TOP expression in a SqlSelectStatement. 
  /// It has a count property, which indicates how many TOP rows should be selected and a 
  /// boolen WithTies property.
  /// </summary>
  class TopClause : ISqlFragment
  {
    ISqlFragment topCount;
    bool withTies;

    /// <summary>
    /// Do we need to add a WITH_TIES to the top statement
    /// </summary>
    internal bool WithTies
    {
      get { return withTies; }
    }

    /// <summary>
    /// How many top rows should be selected.
    /// </summary>
    internal ISqlFragment TopCount
    {
      get { return topCount; }
    }

    /// <summary>
    /// Creates a TopClause with the given topCount and withTies.
    /// </summary>
    /// <param name="topCount"></param>
    /// <param name="withTies"></param>
    internal TopClause(ISqlFragment topCount, bool withTies)
    {
      this.topCount = topCount;
      this.withTies = withTies;
    }

    /// <summary>
    /// Creates a TopClause with the given topCount and withTies.
    /// </summary>
    /// <param name="topCount"></param>
    /// <param name="withTies"></param>
    internal TopClause(int topCount, bool withTies)
    {
      SqlBuilder sqlBuilder = new SqlBuilder();
      sqlBuilder.Append(topCount.ToString(CultureInfo.InvariantCulture));
      this.topCount = sqlBuilder;
      this.withTies = withTies;
    }

    #region ISqlFragment Members

    /// <summary>
    /// Write out the TOP part of sql select statement 
    /// It basically writes TOP (X) [WITH TIES].
    /// </summary>
    /// <param name="writer"></param>
    /// <param name="sqlGenerator"></param>
    public void WriteSql(SqlWriter writer, SqlGenerator sqlGenerator)
    {
      writer.Write(" LIMIT ");
      this.TopCount.WriteSql(writer, sqlGenerator);

      if (this.WithTies)
        throw new NotSupportedException("WITH TIES");

      //writer.Write(" ");

      //if (this.WithTies)
      //{
      //    writer.Write("WITH TIES ");
      //}
    }

    #endregion
  }
}




































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































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//---------------------------------------------------------------------
// <copyright file="SampleProviderManifest.cs" company="Microsoft">
//      Copyright (c) Microsoft Corporation.  All rights reserved.
// </copyright>
//---------------------------------------------------------------------









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>
    /// Constructor
    /// </summary>




    /// <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>
    /// 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();
      }

      if (informationType == DbProviderManifest.StoreSchemaMapping)
      {
        return GetStoreSchemaMapping();


      }

      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>
................................................................................
    {
      if (storeType == null)
      {
        throw new ArgumentNullException("storeType");
      }

      string storeTypeName = storeType.EdmType.Name.ToLowerInvariant();
      if (!base.StoreTypeNameToEdmPrimitiveType.ContainsKey(storeTypeName))
      {

        switch (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 = 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":


          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("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);
          }
................................................................................
            return TypeUsage.CreateBinaryTypeUsage(edmPrimitiveType, isFixedLen, maxLength);
          }
          else
          {
            return TypeUsage.CreateBinaryTypeUsage(edmPrimitiveType, isFixedLen);
          }
        default:
          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("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["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 > binaryMaxSize;
            int maxLength = !isMaxLength ? (int)f.Value : Int32.MinValue;

            TypeUsage tu;
            if (isFixedLength)
            {
              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:
          // 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 ? 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

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

    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;
  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;







  /// <summary>
  /// The Provider Manifest for SQL Server
  /// </summary>
  internal class SQLiteProviderManifest : DbXmlEnabledProviderManifest
  {








    internal SQLiteDateFormats _dateFormat;








    /// <summary>
    /// Constructs the provider manifest.
    /// </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);
    }



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

    /// <summary>
    /// Returns manifest information for the provider


    /// </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)

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


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























    }

    /// <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>
................................................................................
    {
      if (storeType == null)
      {
        throw new ArgumentNullException("storeType");
      }

      string storeTypeName = storeType.EdmType.Name.ToLowerInvariant();
      //if (!base.StoreTypeNameToEdmPrimitiveType.ContainsKey(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));
      //  }
      //}

      PrimitiveType edmPrimitiveType;
      

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

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

      PrimitiveTypeKind newPrimitiveTypeKind;

      switch (storeTypeName)
      {

        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 "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));
      }



      switch (newPrimitiveTypeKind)
      {
        case PrimitiveTypeKind.String:
          if (!isUnbounded)
          {
            return TypeUsage.CreateStringTypeUsage(edmPrimitiveType, isUnicode, isFixedLen, maxLength);
          }
................................................................................
            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));
      }
    }

    /// <summary>
    /// This method takes a type and a set of facets and returns the best mapped equivalent type 

    /// </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");



      PrimitiveType primitiveType = edmType.EdmType as PrimitiveType;
      if (primitiveType == null)

        throw new ArgumentException(String.Format("SQLite 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);
          }

        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;
            int maxLength = !isMaxLength ? (int)f.Value : Int32.MinValue;

            TypeUsage tu;
            if (isFixedLength)

              tu = TypeUsage.CreateBinaryTypeUsage(StoreTypeNameToStorePrimitiveType["blob"], true, maxLength);

            else
            {
              if (isMaxLength)

                tu = TypeUsage.CreateBinaryTypeUsage(StoreTypeNameToStorePrimitiveType["blob"], false);


              else

                tu = TypeUsage.CreateBinaryTypeUsage(StoreTypeNameToStorePrimitiveType["blob"], false, maxLength);

            }
            return tu;
          }


        case PrimitiveTypeKind.String: // char, nchar, varchar, nvarchar, varchar(max), nvarchar(max), ntext, text
          {
            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);
            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"]);

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

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

        precision = 0;
        if (tu.Facets.TryGetValue("Precision", false, out f))

Changes to System.Data.SQLite.Linq/SQLiteProviderServices.cs.








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namespace System.Data.SQLite
{
  using System;
  using System.Data.Common;
  using System.Data.Common.CommandTrees;
  using System.Data.Metadata.Edm;
  using System.Diagnostics;
................................................................................
    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);

................................................................................
    /// </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")
      {
        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 (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>
................................................................................

      return DbType.Binary;
      //            return fixedLength ? DbType.Binary : DbType.VarBinary;
    }

    #region ISQLiteSchemaExtensions Members












    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]) }))
      {
        if (table.Rows.Count > 0) return;
      }

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

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







    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())
................................................................................

          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
  }
}

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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;
................................................................................
    private static DbType GetSqlDbType(TypeUsage type, bool isOutParam, out int? size)
    {
      // only supported for primitive type
      PrimitiveTypeKind primitiveTypeKind = MetadataHelpers.GetPrimitiveTypeKind(type);

      size = default(int?);



      switch (primitiveTypeKind)
      {
        case PrimitiveTypeKind.Binary:
          // for output parameters, ensure there is space...
          size = GetParameterSize(type, isOutParam);
          return GetBinaryDbType(type);

................................................................................
    /// </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;






      // 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 (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>
................................................................................

      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]) }))
      {
        if (table.Rows.Count > 0) return;
      }

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

          adp.Fill(source);

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




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

    #endregion
  }
}

Changes to System.Data.SQLite.Linq/System.Data.SQLite.Linq.csproj.

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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\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" />







>







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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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//      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("1.0.56.0")]
#if !PLATFORM_COMPACTFRAMEWORK
[assembly: AssemblyFileVersion("1.0.56.0")]
#endif







|

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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("1.0.58.0")]
#if !PLATFORM_COMPACTFRAMEWORK
[assembly: AssemblyFileVersion("1.0.58.0")]
#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=2.0.36.0, 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;
    }
  }
}







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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=2.0.37.0, 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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  /// 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
  {
    internal SQLiteBase(SQLiteDateFormats fmt)
      : base(fmt) { }



    /// <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>
................................................................................
#else
      return UTF8ToString(UnsafeNativeMethods.sqlite3_errmsg(db), -1);
#endif
    }

    internal static void FinalizeStatement(SQLiteStatementHandle stmt)
    {


#if !SQLITE_STANDARD
      int n = UnsafeNativeMethods.sqlite3_finalize_interop(stmt);
#else
      int n = UnsafeNativeMethods.sqlite3_finalize(stmt);
#endif
      if (n > 0) throw new SQLiteException(n, null);

    }

    internal static void CloseConnection(SQLiteConnectionHandle db)
    {


#if !SQLITE_STANDARD
      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));

    }

    internal static void ResetConnection(SQLiteConnectionHandle db)
    {


      IntPtr stmt = IntPtr.Zero;

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

    }
  }

  internal interface ISQLiteSchemaExtensions
  {
    void BuildTempSchema(SQLiteConnection cnn);
  }







>
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  /// 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
  {
    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>
................................................................................
#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);
#else
      int n = UnsafeNativeMethods.sqlite3_finalize(stmt);
#endif
        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);
#else
      ResetConnection(db);
      int n = UnsafeNativeMethods.sqlite3_close(db);
#endif
        if (n > 0) throw new SQLiteException(n, SQLiteLastError(db));
      }
    }

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

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

  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=1.0.35.0, 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;
................................................................................
    public SQLiteCommand(string commandText, SQLiteConnection connection, SQLiteTransaction transaction)
    {
      _statementList = null;
      _activeReader = null;
      _commandTimeout = 30;
      _parameterCollection = new SQLiteParameterCollection(this);
      _designTimeVisible = true;
      _updateRowSource = UpdateRowSource.FirstReturnedRecord;
      _transaction = null;

      if (commandText != null)
        CommandText = commandText;

      if (connection != null)
      {
................................................................................
    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.FirstReturnedRecord)]
    public override UpdateRowSource UpdatedRowSource
    {
      get
      {
        return _updateRowSource;
      }
      set







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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)]
#endif
  public sealed class SQLiteCommand : DbCommand, ICloneable
  {
    /// <summary>
    /// The command text this command is based on
    /// </summary>
    private string _commandText;
................................................................................
    public SQLiteCommand(string commandText, SQLiteConnection connection, SQLiteTransaction transaction)
    {
      _statementList = null;
      _activeReader = null;
      _commandTimeout = 30;
      _parameterCollection = new SQLiteParameterCollection(this);
      _designTimeVisible = true;
      _updateRowSource = UpdateRowSource.None;
      _transaction = null;

      if (commandText != null)
        CommandText = commandText;

      if (connection != null)
      {
................................................................................
    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)]
    public override UpdateRowSource UpdatedRowSource
    {
      get
      {
        return _updateRowSource;
      }
      set

Changes to System.Data.SQLite/SQLiteConnection.cs.

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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=1.0.35.0, 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;
      }
................................................................................
          if (String.Compare(defValue, "Default", StringComparison.OrdinalIgnoreCase) != 0)
          {
            cmd.CommandText = String.Format(CultureInfo.InvariantCulture, "PRAGMA journal_mode={0}", defValue);
            cmd.ExecuteNonQuery();
          }
        }










#if !PLATFORM_COMPACTFRAMEWORK
        if (Transactions.Transaction.Current != null && SQLiteConvert.ToBoolean(FindKey(opts, "Enlist", Boolean.TrueString)) == true)
          EnlistTransaction(Transactions.Transaction.Current);
#endif
      }
      catch (SQLiteException)
      {
................................................................................
                    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();
                    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);
................................................................................
        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 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}_{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());


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

    private void UpdateCallback(IntPtr puser, int type, IntPtr database, IntPtr table, Int64 rowid)
    {
................................................................................
    public event SQLiteCommitHandler Commit
    {
      add
      {
        if (_commitHandler == null)
        {
          _commitCallback = new SQLiteCommitCallback(CommitCallback);
          _sql.SetCommitHook(_commitCallback);
        }
        _commitHandler += value;
      }
      remove
      {
        _commitHandler -= value;
        if (_commitHandler == null)
        {
          _sql.SetCommitHook(null);
          _commitCallback = null;
        }
      }
    }

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


    private int CommitCallback(IntPtr parg)







|







 







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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")]
#endif
    public override string ConnectionString
    {
      get
      {
        return _connectionString;
      }
................................................................................
          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)
      {
................................................................................
                    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["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);
................................................................................
        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 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["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_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)
................................................................................
    public event SQLiteUpdateEventHandler Update
    {
      add
      {
        if (_updateHandler == null)
        {
          _updateCallback = new SQLiteUpdateCallback(UpdateCallback);
          if (_sql != null) _sql.SetUpdateHook(_updateCallback);
        }
        _updateHandler += value;
      }
      remove
      {
        _updateHandler -= value;
        if (_updateHandler == null)
        {
          if (_sql != null) _sql.SetUpdateHook(null);
          _updateCallback = null;
        }
      }
    }

    private void UpdateCallback(IntPtr puser, int type, IntPtr database, IntPtr table, Int64 rowid)
    {
................................................................................
    public event SQLiteCommitHandler Commit
    {
      add
      {
        if (_commitHandler == null)
        {
          _commitCallback = new SQLiteCommitCallback(CommitCallback);
          if (_sql != null) _sql.SetCommitHook(_commitCallback);
        }
        _commitHandler += value;
      }
      remove
      {
        _commitHandler -= value;
        if (_commitHandler == null)
        {
          if (_sql != null) _sql.SetCommitHook(null);
          _commitCallback = null;
        }
      }
    }

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


    private int CommitCallback(IntPtr parg)

Changes to System.Data.SQLite/SQLiteDataAdapter.cs.

13
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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=1.0.35.0, 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();








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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")]
  [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.

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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));
    }

    /// <summary>
    /// Returns the column as a double
    /// </summary>
    /// <param name="i">The index of the column to retrieve</param>
    /// <returns>double</returns>
................................................................................
        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);
................................................................................
                });
              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"];












                  break;
                }
              }
            }
          }
        }

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

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

        tbl.Rows.Add(row);
      }

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

      tbl.AcceptChanges();







|







 







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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);
    }

    /// <summary>
    /// Returns the column as a double
    /// </summary>
    /// <param name="i">The index of the column to retrieve</param>
    /// <returns>double</returns>
................................................................................
        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[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);
................................................................................
                });
              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) == false)
            row["DataTypeName"] = dataType;
        }
        tbl.Rows.Add(row);
      }

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

      tbl.AcceptChanges();

Changes to System.Data.SQLite/SQLiteFunction.cs.

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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
  {






    /// <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, 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
................................................................................
    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, 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
................................................................................
    /// 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;
      object obj = null;


      nAux = (long)_base.AggregateContext(context);



      if (n > 1) obj = _contextDataList[nAux];


      try
      {
        _context = context;
        Step(ConvertParams(nArgs, argsptr), n, ref obj);
        _contextDataList[nAux] = obj;
      }
      finally
      {
        _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];
        _contextDataList.Remove(n);
      }

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

      IDisposable disp = obj as IDisposable;
................................................................................
    /// <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, object> kv in _contextDataList)
        {
          disp = kv.Value as IDisposable;
          if (disp != null)
            disp.Dispose();
        }
        _contextDataList.Clear();

        _InvokeFunc = null;
        _StepFunc = null;







>
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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;

    /// <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
................................................................................
    private SQLiteCollation _CompareFunc16;

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



    /// <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>();
    }

    /// <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
................................................................................
    /// 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)
    {

      long nAux;

      AggregateData data;

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

      try
      {
        _context = context;
        Step(ConvertParams(nArgs, argsptr), data._count, ref data._data);

      }
      finally
      {
        data._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;


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

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

      IDisposable disp = obj as IDisposable;
................................................................................
    /// <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)
        {
          disp = kv.Value._data 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;



        default:
          _sql.Bind_Text(this, index, obj.ToString());
          break;
      }
    }

    internal string[] TypeDefinitions







>
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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/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>9.0.30703</ProductVersion>
    <SchemaVersion>2.0</SchemaVersion>
    <ProjectGuid>{AC139952-261A-4463-B6FA-AEBC25283A66}</ProjectGuid>
    <OutputType>Library</OutputType>
    <AppDesignerFolder>Properties</AppDesignerFolder>
    <RootNamespace>System.Data.SQLite</RootNamespace>
    <AssemblyName>System.Data.SQLite</AssemblyName>
    <TargetFrameworkVersion>v2.0</TargetFrameworkVersion>
................................................................................
    <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\ManagedOnly\</OutputPath>
    <DefineConstants>TRACE;DEBUG;USE_INTEROP_DLL;SQLITE_STANDARD</DefineConstants>
    <DebugType>full</DebugType>
    <PlatformTarget>x86</PlatformTarget>
    <CodeAnalysisUseTypeNameInSuppression>true</CodeAnalysisUseTypeNameInSuppression>
    <CodeAnalysisModuleSuppressionsFile>GlobalSuppressions.cs</CodeAnalysisModuleSuppressionsFile>
    <GenerateSerializationAssemblies>Off</GenerateSerializationAssemblies>
    <ErrorReport>prompt</ErrorReport>
  </PropertyGroup>




|







 







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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>
    <SchemaVersion>2.0</SchemaVersion>
    <ProjectGuid>{AC139952-261A-4463-B6FA-AEBC25283A66}</ProjectGuid>
    <OutputType>Library</OutputType>
    <AppDesignerFolder>Properties</AppDesignerFolder>
    <RootNamespace>System.Data.SQLite</RootNamespace>
    <AssemblyName>System.Data.SQLite</AssemblyName>
    <TargetFrameworkVersion>v2.0</TargetFrameworkVersion>
................................................................................
    <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\ManagedOnly\</OutputPath>
    <DefineConstants>TRACE;DEBUG;SQLITE_STANDARD</DefineConstants>
    <DebugType>full</DebugType>
    <PlatformTarget>x86</PlatformTarget>
    <CodeAnalysisUseTypeNameInSuppression>true</CodeAnalysisUseTypeNameInSuppression>
    <CodeAnalysisModuleSuppressionsFile>GlobalSuppressions.cs</CodeAnalysisModuleSuppressionsFile>
    <GenerateSerializationAssemblies>Off</GenerateSerializationAssemblies>
    <ErrorReport>prompt</ErrorReport>
  </PropertyGroup>

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

cannot compute difference between binary files

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

cannot compute difference between binary files

Changes to bin/CompactFramework/testce.exe.

cannot compute difference between binary files

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

cannot compute difference between binary files

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

cannot compute difference between binary files

Changes to 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

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

cannot compute difference between binary files

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

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        </member>
        <member name="M:System.Data.SQLite.SQLiteConnection.CreateFile(System.String)">
            <summary>
            Creates a database file.  This just creates a zero-byte file which SQLite
            will turn into a database when the file is opened properly.
            </summary>
            <param name="databaseFileName">The file to create</param>














        </member>
        <member name="M:System.Data.SQLite.SQLiteConnection.OnStateChange(System.Data.ConnectionState)">
            <summary>
            Raises the state change event when the state of the connection changes
            </summary>
            <param name="newState">The new state.  If it is different from the previous state, an event is raised.</param>
        </member>







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        </member>
        <member name="M:System.Data.SQLite.SQLiteConnection.CreateFile(System.String)">
            <summary>
            Creates a database file.  This just creates a zero-byte file which SQLite
            will turn into a database when the file is opened properly.
            </summary>
            <param name="databaseFileName">The file to create</param>
        </member>
        <member name="M:System.Data.SQLite.SQLiteConnection.CompressFile(System.String)">
            <summary>
            On NTFS volumes, this function turns on the compression attribute for the given file.
            It must not be open or referenced at the time of the function call.
            </summary>
            <param name="databaseFileName">The file to compress</param>
        </member>
        <member name="M:System.Data.SQLite.SQLiteConnection.DecompressFile(System.String)">
            <summary>
            On NTFS volumes, this function removes the compression attribute for the given file.
            It must not be open or referenced at the time of the function call.
            </summary>
            <param name="databaseFileName">The file to decompress</param>
        </member>
        <member name="M:System.Data.SQLite.SQLiteConnection.OnStateChange(System.Data.ConnectionState)">
            <summary>
            Raises the state change event when the state of the connection changes
            </summary>
            <param name="newState">The new state.  If it is different from the previous state, an event is raised.</param>
        </member>

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.

cannot compute difference between binary files

Changes to bin/test.exe.

cannot compute difference between binary files

Changes to bin/x64/System.Data.SQLite.DLL.

cannot compute difference between binary files

Changes to bin/x64/System.Data.SQLite.lib.

cannot compute difference between binary files

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 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>
................................................................................
    <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>1.0.56.0 - 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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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <title></title>
  </head>
  <body>
    ADO.NET 2.0 SQLite Data Provider<br>
    Version 1.0.58.0 August 30, 2008<br>
    Using SQLite 3.6.2<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>
................................................................................
    <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 0, 2008</b></p>
    <ul>
      <li>Compiled against SQLite 3.6.2 with bug
        <a href="http://www.sqlite.org/cvstrac/tktview?tn=3346">#3346</a> fixed.&nbsp; 
        Solves at least one case I was seeing during EF unit testing where the core 
        engine crashed executing a query.</li>
      <li>Fixed the parsing of literal binaries in the EF SqlGen routine.&nbsp; SQLite 
        now passes nearly all the testcases in Microsoft&#39;s EF Query Samples application 
        -- the exception being the datetimeoffset and time constants test which are 
        unsupported at this time.</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; 

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()
    {



      using (DbCommand cmd = _cnn.CreateCommand())
      {









        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 *, (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 = 8)]
    internal void FunctionWithCollation()
................................................................................
        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();










        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);

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

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

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

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





        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");

                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.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;
            }
          }






        }
      }
    }

    /// <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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      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()
................................................................................
        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.Parameters.Add(p1);
          cmd.Parameters.Add(p2);
          cmd.Parameters.Add(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.ResetDbType();
          p2.ResetDbType();
          p3.ResetDbType();

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

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

          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");

              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(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.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.

Changes to test/TestCasesDialog.cs.

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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
            )
            _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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      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
            )
            _provider.Items.Add(prov);
          if (prov == "System.Data.SQLite") _provider.SelectedItem = prov;
        }
      }
      _connectionString.Text = "Data Source=Test.db3;Pooling=true;FailIfMissing=false";
    }

Changes to test/test.csproj.

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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>9.0.30428</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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    <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>
    <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>

Changes to testce/testce.csproj.

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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>9.0.30428</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>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>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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<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>
    <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>Smartphone</PlatformFamilyName>
    <PlatformID>f27da329-3269-4191-98e0-c87d3d7f1db9</PlatformID>
    <OSVersion>5.02</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 Standard SDK</NativePlatformName>
    <UpgradeBackupLocation>
    </UpgradeBackupLocation>
  </PropertyGroup>
  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
    <DebugSymbols>true</DebugSymbols>
    <DebugType>full</DebugType>
    <Optimize>false</Optimize>

Changes to testlinq/App.Config.

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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" />


  </connectionStrings>
</configuration>




>
>


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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>

Changes to testlinq/NorthwindModel.Designer.cs.

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//
//     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("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: 8/11/2008 1:35:38 PM
namespace testlinq
{
    
    /// <summary>
    /// There are no comments for northwindEntities in the schema.
    /// </summary>
    public partial class northwindEntities : global::System.Data.Objects.ObjectContext
    {
        /// <summary>
        /// Initializes a new northwindEntities object using the connection string found in the 'northwindEntities' section of the application configuration file.
        /// </summary>
        public northwindEntities() : 
                base("name=northwindEntities", "northwindEntities")
        {
            this.OnContextCreated();
        }
        /// <summary>
        /// Initialize a new northwindEntities object.
        /// </summary>
        public northwindEntities(string connectionString) : 
                base(connectionString, "northwindEntities")
        {
            this.OnContextCreated();
        }
        /// <summary>
        /// Initialize a new northwindEntities object.
        /// </summary>
        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>
................................................................................
                    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))
................................................................................
                    this._Employees = base.CreateQuery<Employees>("[Employees]");
                }
                return this._Employees;
            }
        }
        private global::System.Data.Objects.ObjectQuery<Employees> _Employees;
        /// <summary>















        /// There are no comments for Order_Details in the schema.
        /// </summary>
        public global::System.Data.Objects.ObjectQuery<Order_Details> Order_Details
        {
            get
            {
                if ((this._Order_Details == null))
                {
                    this._Order_Details = base.CreateQuery<Order_Details>("[Order_Details]");
                }
                return this._Order_Details;
            }
        }
        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
            {
................................................................................
                    this._Orders = base.CreateQuery<Orders>("[Orders]");
                }
                return this._Orders;
            }
        }
        private global::System.Data.Objects.ObjectQuery<Orders> _Orders;
        /// <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 Region in the schema.
        /// </summary>
        public global::System.Data.Objects.ObjectQuery<Region> Region
        {
            get
            {
                if ((this._Region == null))
                {
                    this._Region = base.CreateQuery<Region>("[Region]");
                }
                return this._Region;
            }
        }
        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
            {
................................................................................
        /// <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);
        }
................................................................................
        /// 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 Order_Details in the schema.
        /// </summary>
        public void AddToOrder_Details(Order_Details order_Details)
        {
            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 Products in the schema.
        /// </summary>
        public void AddToProducts(Products products)
        {
            base.AddObject("Products", products);
        }
        /// <summary>
        /// There are no comments for Region in the schema.
        /// </summary>
        public void AddToRegion(Region region)
        {
            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>
        public void AddToTerritories(Territories territories)
        {
            base.AddObject("Territories", territories);
        }
    }
    /// <summary>
    /// There are no comments for northwindModel.Categories in the schema.
    /// </summary>
    /// <KeyProperties>
    /// CategoryID
    /// </KeyProperties>
    [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>
................................................................................
        }
        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("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>("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<Customers>("northwindModel.CustomerCustomerDemo", "Customers", value);
                }
            }
        }
    }
    /// <summary>
    /// There are no comments for northwindModel.Customers in the schema.
    /// </summary>
    /// <KeyProperties>
    /// CustomerID
    /// </KeyProperties>
    [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>
................................................................................
        }
        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("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>("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<CustomerDemographics>("northwindModel.CustomerCustomerDemo", "CustomerDemographics", value);
                }
            }
        }
    }
    /// <summary>
    /// There are no comments for northwindModel.Employees in the schema.
    /// </summary>
    /// <KeyProperties>
    /// EmployeeID
    /// </KeyProperties>
    [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>
................................................................................
                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("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>("northwindModel.EmployeeTerritories", "Territories");
            }
            set
            {
                if ((value != null))
                {
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedCollection<Territories>("northwindModel.EmployeeTerritories", "Territories", value);
                }
            }
        }
    }
    /// <summary>
    /// There are no comments for northwindModel.Order_Details in the schema.
    /// </summary>
    /// <KeyProperties>
    /// OrderID
    /// ProductID
    /// </KeyProperties>
    [global::System.Data.Objects.DataClasses.EdmEntityTypeAttribute(NamespaceName="northwindModel", Name="Order_Details")]
    [global::System.Runtime.Serialization.DataContractAttribute(IsReference=true)]
    [global::System.Serializable()]
    public partial class Order_Details : global::System.Data.Objects.DataClasses.EntityObject
    {
        /// <summary>
        /// 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 Order_Details CreateOrder_Details(long orderID, long productID, decimal unitPrice, short quantity, float discount)
        {
            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
................................................................................
        }
        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("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>("northwindModel.FK_Order_Details_OrderID_OrderID", "Orders").Value;
            }
            set
            {
                ((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>("northwindModel.FK_Order_Details_OrderID_OrderID", "Orders");
            }
            set
            {
                if ((value != null))
                {
                    ((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("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>("northwindModel.FK_Order_Details_ProductID_ProductID", "Products").Value;
            }
            set
            {
                ((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>("northwindModel.FK_Order_Details_ProductID_ProductID", "Products");
            }
            set
            {
                if ((value != null))
                {
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedReference<Products>("northwindModel.FK_Order_Details_ProductID_ProductID", "Products", value);
                }
            }
        }
    }
    /// <summary>
    /// There are no comments for northwindModel.Orders in the schema.
    /// </summary>
    /// <KeyProperties>
    /// OrderID
    /// </KeyProperties>
    [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>
................................................................................
                this.ReportPropertyChanged("OrderID");
                this.OnOrderIDChanged();
            }
        }
        private long _OrderID;
        partial void OnOrderIDChanging(long value);
        partial void OnOrderIDChanged();























        /// <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
        {
................................................................................
        }
        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("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>("northwindModel.FK_Orders_CustomerID_CustomerID", "Customers").Value;
            }
            set
            {
                ((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>("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.InitializeRelatedCollection<Order_Details>("northwindModel.FK_Order_Details_OrderID_OrderID", "Order_Details", value);
                }
            }
        }

        /// <summary>






























































































        /// There are no comments for Shippers in the schema.
        /// </summary>
        [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 Shippers Shippers

        {
            get
            {
                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<Shippers>("northwindModel.FK_Orders_ShipVia_ShipperID", "Shippers").Value = value;





            }
        }



        /// <summary>




























































































        /// 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<Shippers> ShippersReference


        {
            get
            {
                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<Shippers>("northwindModel.FK_Orders_ShipVia_ShipperID", "Shippers", value);



                }







            }
        }













    }












    /// <summary>




















































































































    /// There are no comments for northwindModel.Products in the schema.
    /// </summary>
    /// <KeyProperties>
    /// ProductID
    /// </KeyProperties>
    [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>
................................................................................
                this.ReportPropertyChanged("Discontinued");
                this.OnDiscontinuedChanged();
            }
        }
        private bool _Discontinued;
        partial void OnDiscontinuedChanging(bool value);
        partial void OnDiscontinuedChanged();
        /// <summary>























        /// There are no comments for Categories in the schema.
        /// </summary>
        [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>("northwindModel.FK_Products_CategoryID_CategoryID", "Categories").Value;
            }
            set
            {
                ((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>("northwindModel.FK_Products_CategoryID_CategoryID", "Categories");
            }
            set
            {
                if ((value != null))
                {
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedReference<Categories>("northwindModel.FK_Products_CategoryID_CategoryID", "Categories", value);
                }
            }
        }
        /// <summary>
        /// There are no comments for Order_Details in the schema.
        /// </summary>
        [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<Order_Details> Order_Details
        {
            get
            {
                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<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("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>("northwindModel.FK_Products_SupplierID_SupplierID", "Suppliers").Value;
            }
            set
            {
                ((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>("northwindModel.FK_Products_SupplierID_SupplierID", "Suppliers");
            }
            set
            {
                if ((value != null))
                {
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedReference<Suppliers>("northwindModel.FK_Products_SupplierID_SupplierID", "Suppliers", value);
                }
            }
        }
    }
    /// <summary>
    /// There are no comments for northwindModel.Region in the schema.
    /// </summary>
    /// <KeyProperties>
    /// RegionID
    /// </KeyProperties>
    [global::System.Data.Objects.DataClasses.EdmEntityTypeAttribute(NamespaceName="northwindModel", Name="Region")]
    [global::System.Runtime.Serialization.DataContractAttribute(IsReference=true)]
    [global::System.Serializable()]
    public partial class Region : global::System.Data.Objects.DataClasses.EntityObject
    {
        /// <summary>
        /// Create a new Region object.
        /// </summary>
        /// <param name="regionID">Initial value of RegionID.</param>
        /// <param name="regionDescription">Initial value of RegionDescription.</param>
        public static Region CreateRegion(long regionID, string regionDescription)
        {
            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
................................................................................
        }
        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("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>("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<Orders>("northwindModel.FK_Orders_ShipVia_ShipperID", "Orders", value);
                }
            }
        }
    }
    /// <summary>
    /// There are no comments for northwindModel.Suppliers in the schema.
    /// </summary>
    /// <KeyProperties>
    /// SupplierID
    /// </KeyProperties>
    [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>
................................................................................
        }
        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("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>("northwindModel.FK_Products_SupplierID_SupplierID", "Products");
            }
            set
            {
                if ((value != null))
                {
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedCollection<Products>("northwindModel.FK_Products_SupplierID_SupplierID", "Products", value);
                }
            }
        }
    }
    /// <summary>
    /// There are no comments for northwindModel.Territories in the schema.
    /// </summary>
    /// <KeyProperties>
    /// TerritoryID
    /// </KeyProperties>
    [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(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 string TerritoryID
        {
            get
            {
                return this._TerritoryID;
            }
            set
            {
                this.OnTerritoryIDChanging(value);
                this.ReportPropertyChanging("TerritoryID");
                this._TerritoryID = global::System.Data.Objects.DataClasses.StructuralObject.SetValidValue(value, false);
                this.ReportPropertyChanged("TerritoryID");
                this.OnTerritoryIDChanged();
            }
        }
        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
................................................................................
                this.OnTerritoryDescriptionChanged();
            }
        }
        private string _TerritoryDescription;
        partial void OnTerritoryDescriptionChanging(string value);
        partial void OnTerritoryDescriptionChanged();
        /// <summary>
        /// There are no comments for Region in the schema.
        /// </summary>
        [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 Region Region
        {
            get
            {
                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<Region>("northwindModel.FK_Territories_RegionID_RegionID", "Region").Value = value;
            }
        }
        /// <summary>
        /// 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<Region> RegionReference
        {
            get
            {
                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<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("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>("northwindModel.EmployeeTerritories", "Employees");
            }
            set
            {
                if ((value != null))
                {
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedCollection<Employees>("northwindModel.EmployeeTerritories", "Employees", value);
                }
            }
        }
    }
}







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//
//     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))]

// Original file name:
// Generation date: 8/25/2008 8:54:05 AM
namespace testlinq
{
    
    /// <summary>
    /// There are no comments for northwindEFEntities in the schema.
    /// </summary>
    public partial class northwindEFEntities : 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.
        /// </summary>
        public northwindEFEntities() : 
                base("name=northwindEFEntities", "northwindEFEntities")
        {
            this.OnContextCreated();
        }
        /// <summary>
        /// Initialize a new northwindEFEntities object.
        /// </summary>
        public northwindEFEntities(string connectionString) : 
                base(connectionString, "northwindEFEntities")
        {
            this.OnContextCreated();
        }
        /// <summary>
        /// Initialize a new northwindEFEntities object.
        /// </summary>
        public northwindEFEntities(global::System.Data.EntityClient.EntityConnection connection) : 
                base(connection, "northwindEFEntities")
        {
            this.OnContextCreated();
        }
        partial void OnContextCreated();
        /// <summary>
        /// There are no comments for Categories in the schema.
        /// </summary>
................................................................................
                    this._Categories = base.CreateQuery<Categories>("[Categories]");
                }
                return this._Categories;
            }
        }
        private global::System.Data.Objects.ObjectQuery<Categories> _Categories;
        /// <summary>















        /// There are no comments for Customers in the schema.
        /// </summary>
        public global::System.Data.Objects.ObjectQuery<Customers> Customers
        {
            get
            {
                if ((this._Customers == null))
................................................................................
                    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.
        /// </summary>
        public global::System.Data.Objects.ObjectQuery<OrderDetails> OrderDetails
        {
            get
            {
                if ((this._OrderDetails == null))
                {
                    this._OrderDetails = base.CreateQuery<OrderDetails>("[OrderDetails]");
                }
                return this._OrderDetails;
            }
        }
        private global::System.Data.Objects.ObjectQuery<OrderDetails> _OrderDetails;
        /// <summary>
        /// There are no comments for Orders in the schema.
        /// </summary>
        public global::System.Data.Objects.ObjectQuery<Orders> Orders
        {
            get
            {
................................................................................
                    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.
        /// </summary>
        public global::System.Data.Objects.ObjectQuery<Regions> Regions
        {
            get
            {
                if ((this._Regions == null))
                {
                    this._Regions = base.CreateQuery<Regions>("[Regions]");
                }
                return this._Regions;
            }
        }
        private global::System.Data.Objects.ObjectQuery<Regions> _Regions;















        /// <summary>
        /// There are no comments for Suppliers in the schema.
        /// </summary>
        public global::System.Data.Objects.ObjectQuery<Suppliers> Suppliers
        {
            get
            {
................................................................................
        /// <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 Customers in the schema.
        /// </summary>
        public void AddToCustomers(Customers customers)
        {
            base.AddObject("Customers", customers);
        }
................................................................................
        /// 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.
        /// </summary>
        public void AddToOrderDetails(OrderDetails orderDetails)
        {
            base.AddObject("OrderDetails", orderDetails);
        }
        /// <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.
        /// </summary>
        public void AddToRegions(Regions regions)
        {
            base.AddObject("Regions", regions);







        }
        /// <summary>
        /// There are no comments for Suppliers in the schema.
        /// </summary>
        public void AddToSuppliers(Suppliers suppliers)
        {
            base.AddObject("Suppliers", suppliers);
................................................................................
        /// </summary>
        public void AddToTerritories(Territories territories)
        {
            base.AddObject("Territories", territories);
        }
    }
    /// <summary>
    /// There are no comments for northwindEFModel.Categories in the schema.
    /// </summary>
    /// <KeyProperties>
    /// CategoryID
    /// </KeyProperties>
    [global::System.Data.Objects.DataClasses.EdmEntityTypeAttribute(NamespaceName="northwindEFModel", 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>
................................................................................
        }
        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.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");
            }
            set
            {
                if ((value != null))
                {
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedCollection<Products>("northwindEFModel.FK_Products_CategoryID_CategoryID", "Products", value);
                }
            }
        }
    }
    /// <summary>

























































































    /// There are no comments for northwindEFModel.Customers in the schema.
    /// </summary>
    /// <KeyProperties>
    /// CustomerID
    /// </KeyProperties>
    [global::System.Data.Objects.DataClasses.EdmEntityTypeAttribute(NamespaceName="northwindEFModel", 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>
................................................................................
        }
        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.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");
            }
            set
            {
                if ((value != null))
                {
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedCollection<Orders>("northwindEFModel.FK_Orders_CustomerID_CustomerID", "Orders", value);





















                }
            }
        }
    }
    /// <summary>
    /// There are no comments for northwindEFModel.Employees in the schema.
    /// </summary>
    /// <KeyProperties>
    /// EmployeeID
    /// </KeyProperties>
    [global::System.Data.Objects.DataClasses.EdmEntityTypeAttribute(NamespaceName="northwindEFModel", 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>
................................................................................
                this.ReportPropertyChanged("PhotoPath");
                this.OnPhotoPathChanged();
            }
        }
        private string _PhotoPath;
        partial void OnPhotoPathChanging(string value);
        partial void OnPhotoPathChanged();
        /// <summary>
        /// There are no comments for Territories in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmRelationshipNavigationPropertyAttribute("northwindEFModel", "EmployeesTerritories", "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");
            }
            set
            {
                if ((value != null))
                {
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedCollection<Territories>("northwindEFModel.EmployeesTerritories", "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.
    /// </summary>
    /// <KeyProperties>
    /// OrderID
    /// ProductID
    /// </KeyProperties>
    [global::System.Data.Objects.DataClasses.EdmEntityTypeAttribute(NamespaceName="northwindEFModel", Name="OrderDetails")]
    [global::System.Runtime.Serialization.DataContractAttribute(IsReference=true)]
    [global::System.Serializable()]
    public partial class OrderDetails : global::System.Data.Objects.DataClasses.EntityObject
    {
        /// <summary>
        /// Create a new OrderDetails 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)
        {
            OrderDetails orderDetails = new OrderDetails();
            orderDetails.OrderID = orderID;
            orderDetails.ProductID = productID;
            orderDetails.UnitPrice = unitPrice;
            orderDetails.Quantity = quantity;
            orderDetails.Discount = discount;
            return orderDetails;
        }
        /// <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
................................................................................
        }
        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.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;
            }
            set
            {
                ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Orders>("northwindEFModel.FK_OrderDetails_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");
            }
            set
            {
                if ((value != null))
                {
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedReference<Orders>("northwindEFModel.FK_OrderDetails_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.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;
            }
            set
            {
                ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Products>("northwindEFModel.FK_OrderDetails_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");
            }
            set
            {
                if ((value != null))
                {
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedReference<Products>("northwindEFModel.FK_OrderDetails_ProductID_ProductID", "Products", value);
                }
            }
        }
    }
    /// <summary>
    /// There are no comments for northwindEFModel.Orders in the schema.
    /// </summary>
    /// <KeyProperties>
    /// OrderID
    /// </KeyProperties>
    [global::System.Data.Objects.DataClasses.EdmEntityTypeAttribute(NamespaceName="northwindEFModel", 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>
................................................................................
                this.ReportPropertyChanged("OrderID");
                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
        {
................................................................................
        }
        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.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;
            }
            set
            {
                ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Customers>("northwindEFModel.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");
            }
            set
            {
                if ((value != null))
                {
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedReference<Customers>("northwindEFModel.FK_Orders_CustomerID_CustomerID", "Customers", value);
                }
            }
        }
        /// <summary>
        /// There are no comments for InternationalOrders in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmRelationshipNavigationPropertyAttribute("northwindEFModel", "FK_InternationalOrders_OrderID_OrderID", "InternationalOrders")]
        [global::System.Xml.Serialization.XmlIgnoreAttribute()]
        [global::System.Xml.Serialization.SoapIgnoreAttribute()]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public InternationalOrders InternationalOrders
        {
            get
            {
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<InternationalOrders>("northwindEFModel.FK_InternationalOrders_OrderID_OrderID", "InternationalOrders").Value;
            }
            set
            {
                ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<InternationalOrders>("northwindEFModel.FK_InternationalOrders_OrderID_OrderID", "InternationalOrders").Value = value;
            }
        }
        /// <summary>
        /// There are no comments for InternationalOrders in the schema.
        /// </summary>
        [global::System.ComponentModel.BrowsableAttribute(false)]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public global::System.Data.Objects.DataClasses.EntityReference<InternationalOrders> InternationalOrdersReference
        {
            get
            {
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<InternationalOrders>("northwindEFModel.FK_InternationalOrders_OrderID_OrderID", "InternationalOrders");
            }
            set
            {
                if ((value != null))
                {
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedReference<InternationalOrders>("northwindEFModel.FK_InternationalOrders_OrderID_OrderID", "InternationalOrders", 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.
    /// </summary>
    /// <KeyProperties>
    /// EmployeeID
    /// </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.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>
................................................................................
                this.ReportPropertyChanged("Discontinued");
                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.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;
            }
            set
            {
                ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Categories>("northwindEFModel.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");
            }
            set
            {
                if ((value != null))
                {
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedReference<Categories>("northwindEFModel.FK_Products_CategoryID_CategoryID", "Categories", value);
                }
            }
        }
        /// <summary>
        /// There are no comments for OrderDetails in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmRelationshipNavigationPropertyAttribute("northwindEFModel", "FK_OrderDetails_ProductID_ProductID", "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_ProductID_ProductID", "OrderDetails");
            }
            set
            {
                if ((value != null))
                {
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedCollection<OrderDetails>("northwindEFModel.FK_OrderDetails_ProductID_ProductID", "OrderDetails", 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.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;
            }
            set
            {
                ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Suppliers>("northwindEFModel.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");
            }
            set
            {
                if ((value != null))
                {
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedReference<Suppliers>("northwindEFModel.FK_Products_SupplierID_SupplierID", "Suppliers", value);
                }
            }
        }
    }
    /// <summary>
    /// There are no comments for northwindEFModel.Regions in the schema.
    /// </summary>
    /// <KeyProperties>
    /// RegionID
    /// </KeyProperties>
    [global::System.Data.Objects.DataClasses.EdmEntityTypeAttribute(NamespaceName="northwindEFModel", Name="Regions")]
    [global::System.Runtime.Serialization.DataContractAttribute(IsReference=true)]
    [global::System.Serializable()]
    public partial class Regions : global::System.Data.Objects.DataClasses.EntityObject
    {
        /// <summary>
        /// Create a new Regions 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)
        {
            Regions regions = new Regions();
            regions.RegionID = regionID;
            regions.RegionDescription = regionDescription;
            return regions;
        }
        /// <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
................................................................................
        }
        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.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");
            }
            set
            {
                if ((value != null))
                {
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedCollection<Territories>("northwindEFModel.FK_Territories_RegionID_RegionID", "Territories", value);
                }
            }
        }
    }
    /// <summary>
    /// There are no comments for northwindEFModel.Suppliers in the schema.
    /// </summary>
    /// <KeyProperties>


















































































































    /// SupplierID
    /// </KeyProperties>
    [global::System.Data.Objects.DataClasses.EdmEntityTypeAttribute(NamespaceName="northwindEFModel", 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>
................................................................................
        }
        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.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");
            }
            set
            {
                if ((value != null))
                {
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedCollection<Products>("northwindEFModel.FK_Products_SupplierID_SupplierID", "Products", value);
                }
            }
        }
    }
    /// <summary>
    /// There are no comments for northwindEFModel.Territories in the schema.
    /// </summary>
    /// <KeyProperties>
    /// TerritoryID
    /// </KeyProperties>
    [global::System.Data.Objects.DataClasses.EdmEntityTypeAttribute(NamespaceName="northwindEFModel", 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)
        {
            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
        {
            get
            {
                return this._TerritoryID;
            }
            set
            {
                this.OnTerritoryIDChanging(value);
                this.ReportPropertyChanging("TerritoryID");
                this._TerritoryID = global::System.Data.Objects.DataClasses.StructuralObject.SetValidValue(value);
                this.ReportPropertyChanged("TerritoryID");
                this.OnTerritoryIDChanged();
            }
        }
        private long _TerritoryID;
        partial void OnTerritoryIDChanging(long 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
................................................................................
                this.OnTerritoryDescriptionChanged();
            }
        }
        private string _TerritoryDescription;
        partial void OnTerritoryDescriptionChanging(string value);
        partial void OnTerritoryDescriptionChanged();
        /// <summary>
        /// There are no comments for Regions in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmRelationshipNavigationPropertyAttribute("northwindEFModel", "FK_Territories_RegionID_RegionID", "Regions")]
        [global::System.Xml.Serialization.XmlIgnoreAttribute()]
        [global::System.Xml.Serialization.SoapIgnoreAttribute()]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public Regions Regions
        {
            get
            {
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Regions>("northwindEFModel.FK_Territories_RegionID_RegionID", "Regions").Value;
            }
            set
            {
                ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Regions>("northwindEFModel.FK_Territories_RegionID_RegionID", "Regions").Value = value;
            }
        }
        /// <summary>
        /// There are no comments for Regions in the schema.
        /// </summary>
        [global::System.ComponentModel.BrowsableAttribute(false)]
        [global::System.Runtime.Serialization.DataMemberAttribute()]
        public global::System.Data.Objects.DataClasses.EntityReference<Regions> RegionsReference
        {
            get
            {
                return ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.GetRelatedReference<Regions>("northwindEFModel.FK_Territories_RegionID_RegionID", "Regions");
            }
            set
            {
                if ((value != null))
                {
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedReference<Regions>("northwindEFModel.FK_Territories_RegionID_RegionID", "Regions", value);
                }
            }
        }
        /// <summary>
        /// There are no comments for Employees in the schema.
        /// </summary>
        [global::System.Data.Objects.DataClasses.EdmRelationshipNavigationPropertyAttribute("northwindEFModel", "EmployeesTerritories", "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");
            }
            set
            {
                if ((value != null))
                {
                    ((global::System.Data.Objects.DataClasses.IEntityWithRelationships)(this)).RelationshipManager.InitializeRelatedCollection<Employees>("northwindEFModel.EmployeesTerritories", "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="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="Order Details" EntityType="northwindModel.Store.Order Details" store:Type="Tables" />
          <EntitySet Name="Orders" EntityType="northwindModel.Store.Orders" store:Type="Tables" />

          <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="EmployeeTerritories" EntitySet="EmployeeTerritories" />
          </AssociationSet>
          <AssociationSet Name="FK_EmployeeTerritories_TerritoryID_TerritoryID" Association="northwindModel.Store.FK_EmployeeTerritories_TerritoryID_TerritoryID">
            <End Role="Territories" EntitySet="Territories" />
            <End Role="EmployeeTerritories" EntitySet="EmployeeTerritories" />
          </AssociationSet>




          <AssociationSet Name="FK_Order Details_OrderID_OrderID" Association="northwindModel.Store.FK_Order Details_OrderID_OrderID">
            <End Role="Orders" EntitySet="Orders" />
            <End Role="Order Details" EntitySet="Order Details" />
          </AssociationSet>
          <AssociationSet Name="FK_Order Details_ProductID_ProductID" Association="northwindModel.Store.FK_Order Details_ProductID_ProductID">
            <End Role="Products" EntitySet="Products" />
            <End Role="Order Details" EntitySet="Order Details" />
          </AssociationSet>
          <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="northwindModel.Store.FK_Products_CategoryID_CategoryID">
            <End Role="Categories" EntitySet="Categories" />
            <End Role="Products" EntitySet="Products" />
          </AssociationSet>
          <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="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" 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" />
................................................................................
          <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="EmployeeTerritories">
          <Key>
            <PropertyRef Name="EmployeeID" />
            <PropertyRef Name="TerritoryID" />
          </Key>
          <Property Name="EmployeeID" Type="integer" Nullable="false" StoreGeneratedPattern="Identity" />







          <Property Name="TerritoryID" Type="nvarchar" Nullable="false" MaxLength="20" StoreGeneratedPattern="Identity" />

        </EntityType>
        <EntityType Name="Order Details">
          <Key>
            <PropertyRef Name="OrderID" />
            <PropertyRef Name="ProductID" />
          </Key>
          <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="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" />

        </EntityType>
        <EntityType Name="Region">
          <Key>
            <PropertyRef Name="RegionID" />
          </Key>
          <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" />
................................................................................
          <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="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_CustomerCustomerDemo_CustomerID_CustomerID">
          <End Role="Customers" Type="northwindModel.Store.Customers" Multiplicity="1" />
          <End Role="CustomerCustomerDemo" Type="northwindModel.Store.CustomerCustomerDemo" Multiplicity="*" />
          <ReferentialConstraint>
            <Principal Role="Customers">
              <PropertyRef Name="CustomerID" />
            </Principal>
            <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_Employees_ReportsTo_EmployeeID">
          <End Role="Employees" Type="northwindModel.Store.Employees" Multiplicity="0..1" />
          <End Role="Employees1" Type="northwindModel.Store.Employees" Multiplicity="*" />

          <ReferentialConstraint>
            <Principal Role="Employees">
              <PropertyRef Name="EmployeeID" />
            </Principal>
            <Dependent Role="Employees1">
              <PropertyRef Name="ReportsTo" />
            </Dependent>
          </ReferentialConstraint>
        </Association>
        <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="Territories">
              <PropertyRef Name="TerritoryID" />
            </Principal>
            <Dependent Role="EmployeeTerritories">
              <PropertyRef Name="TerritoryID" />
            </Dependent>
          </ReferentialConstraint>
        </Association>
        <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="Order Details">
              <PropertyRef Name="OrderID" />
            </Dependent>
          </ReferentialConstraint>
        </Association>
        <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="Order Details">
              <PropertyRef Name="ProductID" />
            </Dependent>
          </ReferentialConstraint>
        </Association>
        <Association Name="FK_Orders_CustomerID_CustomerID">
          <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="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="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="Region" Type="northwindModel.Store.Region" Multiplicity="1" />
          <End Role="Territories" Type="northwindModel.Store.Territories" Multiplicity="*" />
          <ReferentialConstraint>
            <Principal Role="Region">
              <PropertyRef Name="RegionID" />
            </Principal>
            <Dependent Role="Territories">
              <PropertyRef Name="RegionID" />
            </Dependent>
          </ReferentialConstraint>
        </Association>
      </Schema>
    </edmx:StorageModels>
    <!-- CSDL content -->
    <edmx:ConceptualModels>
      <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="Order_Details" EntityType="northwindModel.Order_Details" />
          <EntitySet Name="Orders" EntityType="northwindModel.Orders" />

          <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="northwindModel.FK_Orders_CustomerID_CustomerID">
            <End Role="Customers" EntitySet="Customers" />
            <End Role="Orders" EntitySet="Orders" />
          </AssociationSet>
          <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" />

          </AssociationSet>
          <AssociationSet Name="FK_Order_Details_OrderID_OrderID" Association="northwindModel.FK_Order_Details_OrderID_OrderID">
            <End Role="Orders" EntitySet="Orders" />
            <End Role="Order_Details" EntitySet="Order_Details" />
          </AssociationSet>
          <AssociationSet Name="FK_Order_Details_ProductID_ProductID" Association="northwindModel.FK_Order_Details_ProductID_ProductID">
            <End Role="Products" EntitySet="Products" />
            <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="northwindModel.FK_Products_SupplierID_SupplierID">
            <End Role="Suppliers" EntitySet="Suppliers" />
            <End Role="Products" EntitySet="Products" />
          </AssociationSet>
          <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="EmployeeTerritories" Association="northwindModel.EmployeeTerritories">
            <End Role="Employees" EntitySet="Employees" />
            <End Role="Territories" EntitySet="Territories" />
          </AssociationSet>
        </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="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="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="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" />
................................................................................
          <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="Employees1" Relationship="northwindModel.FK_Employees_ReportsTo_EmployeeID" FromRole="Employees" ToRole="Employees1" />
          <NavigationProperty Name="Employees2" Relationship="northwindModel.FK_Employees_ReportsTo_EmployeeID" FromRole="Employees1" ToRole="Employees" />







          <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="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="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="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="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" />
          <NavigationProperty Name="Shippers" Relationship="northwindModel.FK_Orders_ShipVia_ShipperID" FromRole="Orders" ToRole="Shippers" />





















        </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" />

          <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="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="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="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="northwindModel.FK_Products_SupplierID_SupplierID" FromRole="Suppliers" ToRole="Products" />
        </EntityType>
        <EntityType Name="Territories">
          <Key>
            <PropertyRef Name="TerritoryID" />
          </Key>
          <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="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="northwindModel.Categories" Multiplicity="0..1" />
          <End Role="Products" Type="northwindModel.Products" Multiplicity="*" />
        </Association>
        <Association Name="FK_Orders_CustomerID_CustomerID">
          <End Role="Customers" Type="northwindModel.Customers" Multiplicity="0..1" />
          <End Role="Orders" Type="northwindModel.Orders" Multiplicity="*" />
        </Association>
        <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="Order_Details">
              <PropertyRef Name="OrderID" />
            </Dependent>
          </ReferentialConstraint>
        </Association>
        <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="Products">
              <PropertyRef Name="ProductID" />
            </Principal>
            <Dependent Role="Order_Details">
              <PropertyRef Name="ProductID" />
            </Dependent>
          </ReferentialConstraint>
        </Association>
        <Association Name="FK_Orders_ShipVia_ShipperID">
          <End Role="Shippers" Type="northwindModel.Shippers" Multiplicity="0..1" />
          <End Role="Orders" Type="northwindModel.Orders" Multiplicity="*" />
        </Association>
        <Association Name="FK_Products_SupplierID_SupplierID">
          <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="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="EmployeeTerritories">
          <End Role="Employees" Type="northwindModel.Employees" Multiplicity="*" />
          <End Role="Territories" Type="northwindModel.Territories" Multiplicity="*" />
        </Association>
      </Schema>
    </edmx:ConceptualModels>
    <!-- C-S mapping content -->
    <edmx:Mappings>
      <Mapping Space="C-S" xmlns="urn:schemas-microsoft-com:windows:storage:mapping:CS">
        <EntityContainerMapping StorageEntityContainer="northwindModelStoreContainer" CdmEntityContainer="northwindEntities">
          <EntitySetMapping