System.Data.SQLite
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Overview
Comment:Add SQLite_ForceLogPrepare environment variable to force logging of all prepared SQL regardless of the flags for the associated connection. Add more tests.
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Timelines: family | ancestors | descendants | both | tkt-8d928c3e88
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SHA1: 2f3a5933409977f817862bcdfebf3d88ff417775
User & Date: mistachkin 2015-01-13 02:20:34
Context
2015-01-13
02:28
Enhance the self-cleanup for the new tests in the testlinq program. check-in: 6f6b1fe9d4 user: mistachkin tags: tkt-8d928c3e88
02:20
Add SQLite_ForceLogPrepare environment variable to force logging of all prepared SQL regardless of the flags for the associated connection. Add more tests. check-in: 2f3a593340 user: mistachkin tags: tkt-8d928c3e88
2015-01-12
23:44
Do not wrap formatted DateTime values in single quotes when they are numeric. check-in: fc9e94c67d user: mistachkin tags: tkt-8d928c3e88
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to Doc/Extra/Provider/environment.html.

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          <td>PROCESSOR_ARCHITECTURE</td>
          <td>This environment variable is normally set by the operating
          system itself and should reflect the native processor architecture
          of the current process (e.g. a 32-bit x86 application running on a
          64-bit x64 operating system should have the value &quot;x86&quot;).
          </td>
        </tr>






        <tr valign="top">
          <td>TypeName_SQLiteProviderServices</td>
          <td>If this environment variable is set [to anything], it will be
          used by the System.Data.SQLite.SQLiteFactory class as the type name
          containing the System.Data.Common.DbProviderServices implementation
          that should be used.</td>
        </tr>







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          <td>PROCESSOR_ARCHITECTURE</td>
          <td>This environment variable is normally set by the operating
          system itself and should reflect the native processor architecture
          of the current process (e.g. a 32-bit x86 application running on a
          64-bit x64 operating system should have the value &quot;x86&quot;).
          </td>
        </tr>
        <tr valign="top">
          <td>SQLite_ForceLogPrepare</td>
          <td>If this environment variable is set [to anything], all calls to
          prepare a SQL query will be logged, regardless of the flags for the
          associated connection.</td>
        </tr>
        <tr valign="top">
          <td>TypeName_SQLiteProviderServices</td>
          <td>If this environment variable is set [to anything], it will be
          used by the System.Data.SQLite.SQLiteFactory class as the type name
          containing the System.Data.Common.DbProviderServices implementation
          that should be used.</td>
        </tr>

Changes to Doc/Extra/Provider/version.html.

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      <li>Defer disposing of connections created by the static SQLiteCommand.Execute method when a data reader is returned. Fix for <a href="http://system.data.sqlite.org/index.html/info/daeaf3150a">[daeaf3150a]</a>.</li>
      <li>Wrap SELECT statements in parenthesis if they have an ORDER BY, LIMIT, or OFFSET clause and a compound operator is involved. Fix for <a href="http://system.data.sqlite.org/index.html/info/0a32885109">[0a32885109]</a>.</li>
      <li>In the SQLiteDataReader.VerifyType method, remove duplicate &quot;if&quot; statement for the DbType.SByte value and move the remaining &quot;if&quot; to the Int64 affinity. Fix for <a href="http://system.data.sqlite.org/index.html/info/c5cc2fb334">[c5cc2fb334]</a>.&nbsp;<b>** Potentially Incompatible Change **</b></li>
      <li>Handle Julian Day values that fall outside of the supported range for OLE Automation dates. Fix for <a href="http://system.data.sqlite.org/index.html/info/3e783eecbe">[3e783eecbe]</a>.&nbsp;<b>** Potentially Incompatible Change **</b></li>
      <li>Make sure the interop files are copied when publishing a project that refers to a NuGet package containing them. Fix for <a href="http://system.data.sqlite.org/index.html/info/e796ac82c1">[e796ac82c1]</a>.&nbsp;<b>** Potentially Incompatible Change **</b></li>
      <li>Make sure the interop files are copied before the PostBuildEvent. Fix for <a href="http://system.data.sqlite.org/index.html/info/f16c93a932">[f16c93a932]</a>.&nbsp;<b>** Potentially Incompatible Change **</b></li>
      <li>Modify GetSchemaTable method to avoid setting SchemaTableColumn.IsKey column to true when more than one table is referenced. Fix for <a href="http://system.data.sqlite.org/index.html/info/47c6fa04d3">[47c6fa04d3]</a>.&nbsp;<b>** Potentially Incompatible Change **</b></li>



    </ul>
    <p><b>1.0.94.0 - September 9, 2014</b></p>
    <ul>
      <li>Updated to <a href="http://www.sqlite.org/releaselog/3_8_6.html">SQLite 3.8.6</a>.</li>
      <li>Updated to <a href="http://www.nuget.org/packages/EntityFramework/6.1.1">Entity Framework 6.1.1</a>.</li>
      <li>Refactor and simplify NuGet packages in order to support per-solution SQLite interop assembly files.&nbsp;<b>** Potentially Incompatible Change **</b></li>
      <li>Add RefreshFlags method to the SQLiteDataReader class to forcibly refresh its connection flags.</li>







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      <li>Defer disposing of connections created by the static SQLiteCommand.Execute method when a data reader is returned. Fix for <a href="http://system.data.sqlite.org/index.html/info/daeaf3150a">[daeaf3150a]</a>.</li>
      <li>Wrap SELECT statements in parenthesis if they have an ORDER BY, LIMIT, or OFFSET clause and a compound operator is involved. Fix for <a href="http://system.data.sqlite.org/index.html/info/0a32885109">[0a32885109]</a>.</li>
      <li>In the SQLiteDataReader.VerifyType method, remove duplicate &quot;if&quot; statement for the DbType.SByte value and move the remaining &quot;if&quot; to the Int64 affinity. Fix for <a href="http://system.data.sqlite.org/index.html/info/c5cc2fb334">[c5cc2fb334]</a>.&nbsp;<b>** Potentially Incompatible Change **</b></li>
      <li>Handle Julian Day values that fall outside of the supported range for OLE Automation dates. Fix for <a href="http://system.data.sqlite.org/index.html/info/3e783eecbe">[3e783eecbe]</a>.&nbsp;<b>** Potentially Incompatible Change **</b></li>
      <li>Make sure the interop files are copied when publishing a project that refers to a NuGet package containing them. Fix for <a href="http://system.data.sqlite.org/index.html/info/e796ac82c1">[e796ac82c1]</a>.&nbsp;<b>** Potentially Incompatible Change **</b></li>
      <li>Make sure the interop files are copied before the PostBuildEvent. Fix for <a href="http://system.data.sqlite.org/index.html/info/f16c93a932">[f16c93a932]</a>.&nbsp;<b>** Potentially Incompatible Change **</b></li>
      <li>Modify GetSchemaTable method to avoid setting SchemaTableColumn.IsKey column to true when more than one table is referenced. Fix for <a href="http://system.data.sqlite.org/index.html/info/47c6fa04d3">[47c6fa04d3]</a>.&nbsp;<b>** Potentially Incompatible Change **</b></li>
      <li>Add AppendManifestToken_SQLiteProviderManifest environment variable to enable better integration between LINQ and the underlying store connection.</li>
      <li>Add SQLite_ForceLogPrepare environment variable to force logging of all prepared SQL regardless of the flags for the associated connection.</li>
      <li>Honor the DateTimeFormat, DateTimeKind, DateTimeFormatString, BinaryGUID connection string and/or provider manifest token properties from within the LINQ assembly. Fix for <a href="http://system.data.sqlite.org/index.html/info/8d928c3e88">[8d928c3e88]</a>.&nbsp;<b>** Potentially Incompatible Change **</b></li>
    </ul>
    <p><b>1.0.94.0 - September 9, 2014</b></p>
    <ul>
      <li>Updated to <a href="http://www.sqlite.org/releaselog/3_8_6.html">SQLite 3.8.6</a>.</li>
      <li>Updated to <a href="http://www.nuget.org/packages/EntityFramework/6.1.1">Entity Framework 6.1.1</a>.</li>
      <li>Refactor and simplify NuGet packages in order to support per-solution SQLite interop assembly files.&nbsp;<b>** Potentially Incompatible Change **</b></li>
      <li>Add RefreshFlags method to the SQLiteDataReader class to forcibly refresh its connection flags.</li>

Changes to System.Data.SQLite/SQLite3.cs.

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    internal override string GetLastError(string defValue)
    {
        string result = SQLiteBase.GetLastError(_sql, _sql);
        if (String.IsNullOrEmpty(result)) result = defValue;
        return result;
    }














































    internal override SQLiteStatement Prepare(SQLiteConnection cnn, string strSql, SQLiteStatement previous, uint timeoutMS, ref string strRemain)
    {
      if (!String.IsNullOrEmpty(strSql))
      {
        //
        // NOTE: SQLite does not support the concept of separate schemas
................................................................................
              "{0}.", baseSchemaName), String.Empty);
        }
      }

      SQLiteConnectionFlags flags =
          (cnn != null) ? cnn.Flags : SQLiteConnectionFlags.Default;





      if ((flags & SQLiteConnectionFlags.LogPrepare) == SQLiteConnectionFlags.LogPrepare)
      {
          if ((strSql == null) || (strSql.Length == 0) || (strSql.Trim().Length == 0))
              SQLiteLog.LogMessage("Preparing {<nothing>}...");
          else
              SQLiteLog.LogMessage(String.Format(
                  CultureInfo.CurrentCulture, "Preparing {{{0}}}...", strSql));
      }







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    internal override string GetLastError(string defValue)
    {
        string result = SQLiteBase.GetLastError(_sql, _sql);
        if (String.IsNullOrEmpty(result)) result = defValue;
        return result;
    }

    ///////////////////////////////////////////////////////////////////////////////////////////////

    #region Query Diagnostics Support
#if !PLATFORM_COMPACTFRAMEWORK
    /// <summary>
    /// This field is used to keep track of whether or not the
    /// "SQLite_ForceLogPrepare" environment variable has been queried.  If so,
    /// it will only be non-zero if the environment variable was present.
    /// </summary>
    private static bool? forceLogPrepare = null;

    ///////////////////////////////////////////////////////////////////////////////////////////////

    /// <summary>
    /// Determines if all calls to prepare a SQL query will be logged,
    /// regardless of the flags for the associated connection.
    /// </summary>
    /// <returns>
    /// Non-zero to log all calls to prepare a SQL query.
    /// </returns>
    private static bool ForceLogPrepare()
    {
        lock (syncRoot)
        {
            if (forceLogPrepare == null)
            {
                if (Environment.GetEnvironmentVariable(
                        "SQLite_ForceLogPrepare") != null)
                {
                    forceLogPrepare = true;
                }
                else
                {
                    forceLogPrepare = false;
                }
            }

            return (bool)forceLogPrepare;
        }
    }
#endif
    #endregion

    ///////////////////////////////////////////////////////////////////////////////////////////////

    internal override SQLiteStatement Prepare(SQLiteConnection cnn, string strSql, SQLiteStatement previous, uint timeoutMS, ref string strRemain)
    {
      if (!String.IsNullOrEmpty(strSql))
      {
        //
        // NOTE: SQLite does not support the concept of separate schemas
................................................................................
              "{0}.", baseSchemaName), String.Empty);
        }
      }

      SQLiteConnectionFlags flags =
          (cnn != null) ? cnn.Flags : SQLiteConnectionFlags.Default;

      if (
#if !PLATFORM_COMPACTFRAMEWORK
          ForceLogPrepare() ||
#endif
          ((flags & SQLiteConnectionFlags.LogPrepare) == SQLiteConnectionFlags.LogPrepare))
      {
          if ((strSql == null) || (strSql.Length == 0) || (strSql.Trim().Length == 0))
              SQLiteLog.LogMessage("Preparing {<nothing>}...");
          else
              SQLiteLog.LogMessage(String.Format(
                  CultureInfo.CurrentCulture, "Preparing {{{0}}}...", strSql));
      }

Changes to Tests/tkt-8d928c3e88.eagle.

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package require System.Data.SQLite.Test
runSQLiteTestPrologue
runSQLiteTestFilesPrologue

###############################################################################

runTest {test tkt-8d928c3e88-1.1 {LINQ with BinaryGUID (false)} -body {
  #
  # NOTE: Re-copy the reference database file used for this unit test to the
  #       build directory in case it has been changed by a previous test run.
  #
  file copy -force $northwindEfDbFile \
      [file join [getBuildDirectory] [file tail $northwindEfDbFile]]

................................................................................
  unset -nocomplain code output error result
} -constraints {eagle monoToDo SQLite file_System.Data.SQLite.dll testExec\
file_System.Data.SQLite.Linq.dll file_testlinq.exe file_northwindEF.db} \
-result {0 2d3d2d3d-2d3d-2d3d-2d3d-2d3d2d3d2d3d}}

###############################################################################

runTest {test tkt-8d928c3e88-1.2 {LINQ with BinaryGUID (true)} -body {
  #
  # NOTE: Re-copy the reference database file used for this unit test to the
  #       build directory in case it has been changed by a previous test run.
  #
  file copy -force $northwindEfDbFile \
      [file join [getBuildDirectory] [file tail $northwindEfDbFile]]

................................................................................

  set result
} -cleanup {
  unset -nocomplain code output error result
} -constraints {eagle monoToDo SQLite file_System.Data.SQLite.dll testExec\
file_System.Data.SQLite.Linq.dll file_testlinq.exe file_northwindEF.db} \
-result {0 =-=-=-=--=-=-=-=}}

###############################################################################



























































































































































runSQLiteTestFilesEpilogue
runSQLiteTestEpilogue
runTestEpilogue







|







 







|







 










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package require System.Data.SQLite.Test
runSQLiteTestPrologue
runSQLiteTestFilesPrologue

###############################################################################

runTest {test tkt-8d928c3e88-1.1 {LINQ w/BinaryGUID=false} -body {
  #
  # NOTE: Re-copy the reference database file used for this unit test to the
  #       build directory in case it has been changed by a previous test run.
  #
  file copy -force $northwindEfDbFile \
      [file join [getBuildDirectory] [file tail $northwindEfDbFile]]

................................................................................
  unset -nocomplain code output error result
} -constraints {eagle monoToDo SQLite file_System.Data.SQLite.dll testExec\
file_System.Data.SQLite.Linq.dll file_testlinq.exe file_northwindEF.db} \
-result {0 2d3d2d3d-2d3d-2d3d-2d3d-2d3d2d3d2d3d}}

###############################################################################

runTest {test tkt-8d928c3e88-1.2 {LINQ w/BinaryGUID=true} -body {
  #
  # NOTE: Re-copy the reference database file used for this unit test to the
  #       build directory in case it has been changed by a previous test run.
  #
  file copy -force $northwindEfDbFile \
      [file join [getBuildDirectory] [file tail $northwindEfDbFile]]

................................................................................

  set result
} -cleanup {
  unset -nocomplain code output error result
} -constraints {eagle monoToDo SQLite file_System.Data.SQLite.dll testExec\
file_System.Data.SQLite.Linq.dll file_testlinq.exe file_northwindEF.db} \
-result {0 =-=-=-=--=-=-=-=}}

###############################################################################

runTest {test tkt-8d928c3e88-2.1 {LINQ w/DateTimeFormat=Ticks} -body {
  #
  # NOTE: Re-copy the reference database file used for this unit test to the
  #       build directory in case it has been changed by a previous test run.
  #
  file copy -force $northwindEfDbFile \
      [file join [getBuildDirectory] [file tail $northwindEfDbFile]]

  set result [list]
  set output ""

  set code [catch {
    testClrExec $testLinqExeFile [list -eventflags Wait -directory \
        [file dirname $testLinqExeFile] -nocarriagereturns -stdout output \
        -success 0] -datetime2 Ticks
  } error]

  tlog "---- BEGIN STDOUT OUTPUT\n"
  tlog $output
  tlog "\n---- END STDOUT OUTPUT\n"

  lappend result $code

  if {$code == 0} then {
    lappend result [string trim $output]
  } else {
    lappend result [string trim $error]
  }

  set result
} -cleanup {
  unset -nocomplain code output error result
} -constraints {eagle monoToDo SQLite file_System.Data.SQLite.dll testExec\
file_System.Data.SQLite.Linq.dll file_testlinq.exe file_northwindEF.db} \
-match regexp -result \
{\sWHERE \[Extent1\]\.\[OrderDate\] < 629876736000000000\s}}

###############################################################################

runTest {test tkt-8d928c3e88-2.2 {LINQ w/DateTimeFormat=JulianDay} -body {
  #
  # NOTE: Re-copy the reference database file used for this unit test to the
  #       build directory in case it has been changed by a previous test run.
  #
  file copy -force $northwindEfDbFile \
      [file join [getBuildDirectory] [file tail $northwindEfDbFile]]

  set result [list]
  set output ""

  set code [catch {
    testClrExec $testLinqExeFile [list -eventflags Wait -directory \
        [file dirname $testLinqExeFile] -nocarriagereturns -stdout output \
        -success 0] -datetime2 JulianDay
  } error]

  tlog "---- BEGIN STDOUT OUTPUT\n"
  tlog $output
  tlog "\n---- END STDOUT OUTPUT\n"

  lappend result $code

  if {$code == 0} then {
    lappend result [string trim $output]
  } else {
    lappend result [string trim $error]
  }

  set result
} -cleanup {
  unset -nocomplain code output error result
} -constraints {eagle monoToDo SQLite file_System.Data.SQLite.dll testExec\
file_System.Data.SQLite.Linq.dll file_testlinq.exe file_northwindEF.db} \
-match regexp -result {\sWHERE \[Extent1\]\.\[OrderDate\] < 2450449\.5\s}}

###############################################################################

runTest {test tkt-8d928c3e88-2.3 {LINQ w/DateTimeFormat=UnixEpoch} -body {
  #
  # NOTE: Re-copy the reference database file used for this unit test to the
  #       build directory in case it has been changed by a previous test run.
  #
  file copy -force $northwindEfDbFile \
      [file join [getBuildDirectory] [file tail $northwindEfDbFile]]

  set result [list]
  set output ""

  set code [catch {
    testClrExec $testLinqExeFile [list -eventflags Wait -directory \
        [file dirname $testLinqExeFile] -nocarriagereturns -stdout output \
        -success 0] -datetime2 UnixEpoch
  } error]

  tlog "---- BEGIN STDOUT OUTPUT\n"
  tlog $output
  tlog "\n---- END STDOUT OUTPUT\n"

  lappend result $code

  if {$code == 0} then {
    lappend result [string trim $output]
  } else {
    lappend result [string trim $error]
  }

  set result
} -cleanup {
  unset -nocomplain code output error result
} -constraints {eagle monoToDo SQLite file_System.Data.SQLite.dll testExec\
file_System.Data.SQLite.Linq.dll file_testlinq.exe file_northwindEF.db} \
-match regexp -result {\sWHERE \[Extent1\]\.\[OrderDate\] < 852076800\s}}

###############################################################################

runTest {test tkt-8d928c3e88-2.4 {LINQ w/DateTimeFormat=ISO8601} -body {
  #
  # NOTE: Re-copy the reference database file used for this unit test to the
  #       build directory in case it has been changed by a previous test run.
  #
  file copy -force $northwindEfDbFile \
      [file join [getBuildDirectory] [file tail $northwindEfDbFile]]

  set result [list]
  set output ""

  set code [catch {
    testClrExec $testLinqExeFile [list -eventflags Wait -directory \
        [file dirname $testLinqExeFile] -nocarriagereturns -stdout output \
        -success 0] -datetime2 ISO8601
  } error]

  tlog "---- BEGIN STDOUT OUTPUT\n"
  tlog $output
  tlog "\n---- END STDOUT OUTPUT\n"

  lappend result $code

  if {$code == 0} then {
    lappend result [string trim $output]
  } else {
    lappend result [string trim $error]
  }

  set result
} -cleanup {
  unset -nocomplain code output error result
} -constraints {eagle monoToDo SQLite file_System.Data.SQLite.dll testExec\
file_System.Data.SQLite.Linq.dll file_testlinq.exe file_northwindEF.db} \
-match regexp -result \
{\sWHERE \[Extent1\]\.\[OrderDate\] < '1997-01-01 00:00:00'\s}}

###############################################################################

runSQLiteTestFilesEpilogue
runSQLiteTestEpilogue
runTestEpilogue

Changes to readme.htm.

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    <li>Defer disposing of connections created by the static SQLiteCommand.Execute method when a data reader is returned. Fix for [daeaf3150a].</li>
    <li>Wrap SELECT statements in parenthesis if they have an ORDER BY, LIMIT, or OFFSET clause and a compound operator is involved. Fix for [0a32885109].</li>
    <li>In the SQLiteDataReader.VerifyType method, remove duplicate &quot;if&quot; statement for the DbType.SByte value and move the remaining &quot;if&quot; to the Int64 affinity. Fix for [c5cc2fb334].&nbsp;<b>** Potentially Incompatible Change **</b></li>
    <li>Handle Julian Day values that fall outside of the supported range for OLE Automation dates. Fix for [3e783eecbe].&nbsp;<b>** Potentially Incompatible Change **</b></li>
    <li>Make sure the interop files are copied when publishing a project that refers to a NuGet package containing them. Fix for [e796ac82c1].&nbsp;<b>** Potentially Incompatible Change **</b></li>
    <li>Make sure the interop files are copied before the PostBuildEvent. Fix for [f16c93a932].&nbsp;<b>** Potentially Incompatible Change **</b></li>
    <li>Modify GetSchemaTable method to avoid setting SchemaTableColumn.IsKey column to true when more than one table is referenced. Fix for [47c6fa04d3].&nbsp;<b>** Potentially Incompatible Change **</b></li>



</ul>
<p>
    <b>1.0.94.0 - September 9, 2014</b>
</p>
<ul>
    <li>Updated to <a href="http://www.sqlite.org/releaselog/3_8_6.html">SQLite 3.8.6</a>.</li>
    <li>Updated to <a href="http://www.nuget.org/packages/EntityFramework/6.1.1">Entity Framework 6.1.1</a>.</li>







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    <li>Defer disposing of connections created by the static SQLiteCommand.Execute method when a data reader is returned. Fix for [daeaf3150a].</li>
    <li>Wrap SELECT statements in parenthesis if they have an ORDER BY, LIMIT, or OFFSET clause and a compound operator is involved. Fix for [0a32885109].</li>
    <li>In the SQLiteDataReader.VerifyType method, remove duplicate &quot;if&quot; statement for the DbType.SByte value and move the remaining &quot;if&quot; to the Int64 affinity. Fix for [c5cc2fb334].&nbsp;<b>** Potentially Incompatible Change **</b></li>
    <li>Handle Julian Day values that fall outside of the supported range for OLE Automation dates. Fix for [3e783eecbe].&nbsp;<b>** Potentially Incompatible Change **</b></li>
    <li>Make sure the interop files are copied when publishing a project that refers to a NuGet package containing them. Fix for [e796ac82c1].&nbsp;<b>** Potentially Incompatible Change **</b></li>
    <li>Make sure the interop files are copied before the PostBuildEvent. Fix for [f16c93a932].&nbsp;<b>** Potentially Incompatible Change **</b></li>
    <li>Modify GetSchemaTable method to avoid setting SchemaTableColumn.IsKey column to true when more than one table is referenced. Fix for [47c6fa04d3].&nbsp;<b>** Potentially Incompatible Change **</b></li>
    <li>Add AppendManifestToken_SQLiteProviderManifest environment variable to enable better integration between LINQ and the underlying store connection.</li>
    <li>Add SQLite_ForceLogPrepare environment variable to force logging of all prepared SQL regardless of the flags for the associated connection.</li>
    <li>Honor the DateTimeFormat, DateTimeKind, DateTimeFormatString, BinaryGUID connection string and/or provider manifest token properties from within the LINQ assembly. Fix for [8d928c3e88].&nbsp;<b>** Potentially Incompatible Change **</b></li>
</ul>
<p>
    <b>1.0.94.0 - September 9, 2014</b>
</p>
<ul>
    <li>Updated to <a href="http://www.sqlite.org/releaselog/3_8_6.html">SQLite 3.8.6</a>.</li>
    <li>Updated to <a href="http://www.nuget.org/packages/EntityFramework/6.1.1">Entity Framework 6.1.1</a>.</li>

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                  {
                      return OldTests();
                  }
              case "datetime":
                  {
                      return DateTimeTest();
                  }










              case "skip":
                  {
                      int pageSize = 0;

                      if (args.Length > 1)
                      {
                          arg = args[1];
................................................................................
          {
              DateTime dateTime = new DateTime(1997, 1, 1, 0, 0, 0, DateTimeKind.Local);
              int c1 = db.Orders.Where(i => i.OrderDate == new DateTime(1997, 1, 1, 0, 0, 0, DateTimeKind.Local)).Count();
              int c2 = db.Orders.Where(i => i.OrderDate == dateTime).Count();
              return c1 == c2 ? 0 : 1;
          }
      }





























    private static int OldTests()
    {
      using (northwindEFEntities db = new northwindEFEntities())
      {
        {
          string entitySQL = "SELECT VALUE o FROM Orders AS o WHERE SQLite.DatePart('yyyy', o.OrderDate) = 1997 ORDER BY o.OrderID;";







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                  {
                      return OldTests();
                  }
              case "datetime":
                  {
                      return DateTimeTest();
                  }
              case "datetime2":
                  {
                      string dateTimeFormat = null;

                      if (args.Length > 1)
                          dateTimeFormat = args[1];

                      DateTimeTest2(dateTimeFormat);
                      return 0;
                  }
              case "skip":
                  {
                      int pageSize = 0;

                      if (args.Length > 1)
                      {
                          arg = args[1];
................................................................................
          {
              DateTime dateTime = new DateTime(1997, 1, 1, 0, 0, 0, DateTimeKind.Local);
              int c1 = db.Orders.Where(i => i.OrderDate == new DateTime(1997, 1, 1, 0, 0, 0, DateTimeKind.Local)).Count();
              int c2 = db.Orders.Where(i => i.OrderDate == dateTime).Count();
              return c1 == c2 ? 0 : 1;
          }
      }

      private static void DateTimeTest2(
          string dateTimeFormat
          )
      {
          Trace.Listeners.Add(new ConsoleTraceListener());
          Environment.SetEnvironmentVariable("SQLite_ForceLogPrepare", "1");

          if (dateTimeFormat != null)
          {
              Environment.SetEnvironmentVariable(
                  "AppendManifestToken_SQLiteProviderManifest",
                  String.Format(";DateTimeFormat={0};", dateTimeFormat));
          }

          using (northwindEFEntities db = new northwindEFEntities())
          {
              db.Orders.Where(i => i.OrderDate <
                  new DateTime(1997, 1, 1, 0, 0, 0, DateTimeKind.Local)).Count();

              DateTime dateTime = new DateTime(
                  1997, 1, 1, 0, 0, 0, DateTimeKind.Local);

              db.Orders.Where(i => i.OrderDate < dateTime).Count();
          }

          Environment.SetEnvironmentVariable("SQLite_ForceLogPrepare", null);
      }

    private static int OldTests()
    {
      using (northwindEFEntities db = new northwindEFEntities())
      {
        {
          string entitySQL = "SELECT VALUE o FROM Orders AS o WHERE SQLite.DatePart('yyyy', o.OrderDate) = 1997 ORDER BY o.OrderID;";

Changes to www/news.wiki.

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    <li>Defer disposing of connections created by the static SQLiteCommand.Execute method when a data reader is returned. Fix for [daeaf3150a].</li>
    <li>Wrap SELECT statements in parenthesis if they have an ORDER BY, LIMIT, or OFFSET clause and a compound operator is involved. Fix for [0a32885109].</li>
    <li>In the SQLiteDataReader.VerifyType method, remove duplicate &quot;if&quot; statement for the DbType.SByte value and move the remaining &quot;if&quot; to the Int64 affinity.  Fix for [c5cc2fb334].&nbsp;<b>** Potentially Incompatible Change **</b></li>
    <li>Handle Julian Day values that fall outside of the supported range for OLE Automation dates. Fix for [3e783eecbe].&nbsp;<b>** Potentially Incompatible Change **</b></li>
    <li>Make sure the interop files are copied when publishing a project that refers to a NuGet package containing them. Fix for [e796ac82c1].&nbsp;<b>** Potentially Incompatible Change **</b></li>
    <li>Make sure the interop files are copied before the PostBuildEvent. Fix for [f16c93a932].&nbsp;<b>** Potentially Incompatible Change **</b></li>
    <li>Modify GetSchemaTable method to avoid setting SchemaTableColumn.IsKey column to true when more than one table is referenced. Fix for [47c6fa04d3].&nbsp;<b>** Potentially Incompatible Change **</b></li>



</ul>
<p>
    <b>1.0.94.0 - September 9, 2014</b>
</p>
<ul>
    <li>Updated to [http://www.sqlite.org/releaselog/3_8_6.html|SQLite 3.8.6].</li>
    <li>Updated to [http://www.nuget.org/packages/EntityFramework/6.1.1|Entity Framework 6.1.1].</li>







>
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>







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    <li>Defer disposing of connections created by the static SQLiteCommand.Execute method when a data reader is returned. Fix for [daeaf3150a].</li>
    <li>Wrap SELECT statements in parenthesis if they have an ORDER BY, LIMIT, or OFFSET clause and a compound operator is involved. Fix for [0a32885109].</li>
    <li>In the SQLiteDataReader.VerifyType method, remove duplicate &quot;if&quot; statement for the DbType.SByte value and move the remaining &quot;if&quot; to the Int64 affinity.  Fix for [c5cc2fb334].&nbsp;<b>** Potentially Incompatible Change **</b></li>
    <li>Handle Julian Day values that fall outside of the supported range for OLE Automation dates. Fix for [3e783eecbe].&nbsp;<b>** Potentially Incompatible Change **</b></li>
    <li>Make sure the interop files are copied when publishing a project that refers to a NuGet package containing them. Fix for [e796ac82c1].&nbsp;<b>** Potentially Incompatible Change **</b></li>
    <li>Make sure the interop files are copied before the PostBuildEvent. Fix for [f16c93a932].&nbsp;<b>** Potentially Incompatible Change **</b></li>
    <li>Modify GetSchemaTable method to avoid setting SchemaTableColumn.IsKey column to true when more than one table is referenced. Fix for [47c6fa04d3].&nbsp;<b>** Potentially Incompatible Change **</b></li>
    <li>Add AppendManifestToken_SQLiteProviderManifest environment variable to enable better integration between LINQ and the underlying store connection.</li>
    <li>Add SQLite_ForceLogPrepare environment variable to force logging of all prepared SQL regardless of the flags for the associated connection.</li>
    <li>Honor the DateTimeFormat, DateTimeKind, DateTimeFormatString, BinaryGUID connection string and/or provider manifest token properties from within the LINQ assembly. Fix for [8d928c3e88].&nbsp;<b>** Potentially Incompatible Change **</b></li>
</ul>
<p>
    <b>1.0.94.0 - September 9, 2014</b>
</p>
<ul>
    <li>Updated to [http://www.sqlite.org/releaselog/3_8_6.html|SQLite 3.8.6].</li>
    <li>Updated to [http://www.nuget.org/packages/EntityFramework/6.1.1|Entity Framework 6.1.1].</li>