System.Data.SQLite
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Overview
Comment:Merge all connection pool fixes and other changes to trunk. Fix for ticket [996d13cd87].
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: ae1f4354e441527d691b41f49459c87d9d84d643
User & Date: mistachkin 2012-05-02 18:38:55
References
2012-05-02
18:44 Closed ticket [996d13cd87]: access violation when recycling pooled connections plus 5 other changes artifact: cbfbdc0ff5 user: mistachkin
Context
2012-05-02
18:52
Update Eagle script library in externals to latest trunk. check-in: fd95f9dd1d user: mistachkin tags: trunk
18:38
Merge all connection pool fixes and other changes to trunk. Fix for ticket [996d13cd87]. check-in: ae1f4354e4 user: mistachkin tags: trunk
18:28
Update test case for ticket [996d13cd87]. The test case can now reproduce the issue reported. Closed-Leaf check-in: 0fb2e3848f user: mistachkin tags: tkt-996d13cd87
14:21
Add test for the ISQLiteSchemaExtensions.BuildTempSchema method of the LINQ related SQLiteProviderServices class. check-in: 0a25b20f9c user: mistachkin tags: trunk
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to Externals/Eagle/bin/EagleShell.exe.config.

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<configuration>
  <startup useLegacyV2RuntimeActivationPolicy="true">
    <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0" />
  </startup>

  <runtime>
    <!--

    <NetFx40_LegacySecurityPolicy enabled="true" />
    <generatePublisherEvidence enabled="false" />
    -->

    <!--
    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
      <dependentAssembly>







>







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<configuration>
  <startup useLegacyV2RuntimeActivationPolicy="true">
    <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0" />
  </startup>

  <runtime>
    <!--
    <legacyCorruptedStateExceptionsPolicy enabled="true" />
    <NetFx40_LegacySecurityPolicy enabled="true" />
    <generatePublisherEvidence enabled="false" />
    -->

    <!--
    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
      <dependentAssembly>

Changes to Externals/Eagle/lib/Eagle1.0/test.eagle.

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          lappend result $name
        }
      }
    }

    return $result
  }



















 
  proc fixConstraints { constraints } {
    set result [string trim $constraints]

    if {[string length $result] > 0} then {
      #
      # HACK: Fixup for the semi-magical expression (via [expr]) test
................................................................................
    exportAndImportPackageCommands [namespace current] [list addConstraint \
        calculateRelativePerformance haveConstraint haveOrAddConstraint \
        processTestArguments getTemporaryPath getTestLog getTestLogId getFiles \
        getConstraints getTestFiles getTestRunId execTestShell runTestPrologue \
        runTestEpilogue runTest runAllTests fixConstraints sourceIfValid \
        isExitOnComplete getPassPercentage getSkipPercentage testExec tlog \
        returnInfoScript tputs formatDecimal formatList configureTcltest \
        machineToPlatform tsource testShim] false false

    ###########################################################################
    ############################## END Tcl ONLY ###############################
    ###########################################################################
  }

  #
  # NOTE: Provide the Eagle test package to the interpreter.
  #
  package provide Eagle.Test \
    [expr {[isEagle] ? [info engine PatchLevel] : "1.0"}]
}
 







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          lappend result $name
        }
      }
    }

    return $result
  }
 
  proc removeConstraint { name } {
    if {[isEagle]} then {
      if {[info exists ::eagle_tests(constraints)]} then {
        set index [lsearch -exact $::eagle_tests(constraints) $name]

        if {$index != -1} then {
          set ::eagle_tests(constraints) [lreplace \
              $::eagle_tests(constraints) $index $index]
        }
      }
    } else {
      if {[info exists ::tcltest::testConstraints($name)]} then {
        unset ::tcltest::testConstraints($name)
      }
    }

    return ""
  }
 
  proc fixConstraints { constraints } {
    set result [string trim $constraints]

    if {[string length $result] > 0} then {
      #
      # HACK: Fixup for the semi-magical expression (via [expr]) test
................................................................................
    exportAndImportPackageCommands [namespace current] [list addConstraint \
        calculateRelativePerformance haveConstraint haveOrAddConstraint \
        processTestArguments getTemporaryPath getTestLog getTestLogId getFiles \
        getConstraints getTestFiles getTestRunId execTestShell runTestPrologue \
        runTestEpilogue runTest runAllTests fixConstraints sourceIfValid \
        isExitOnComplete getPassPercentage getSkipPercentage testExec tlog \
        returnInfoScript tputs formatDecimal formatList configureTcltest \
        removeConstraint machineToPlatform tsource testShim] false false

    ###########################################################################
    ############################## END Tcl ONLY ###############################
    ###########################################################################
  }

  #
  # NOTE: Provide the Eagle test package to the interpreter.
  #
  package provide Eagle.Test \
    [expr {[isEagle] ? [info engine PatchLevel] : "1.0"}]
}
 

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

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    // resources belonging to the previously-registered functions.
    internal override void Close()
    {
      if (_sql != null)
      {
          if (_usePool)
          {
              SQLiteBase.ResetConnection(_sql);
              SQLiteConnectionPool.Add(_fileName, _sql, _poolVersion);

#if DEBUG && !NET_COMPACT_20
              Trace.WriteLine(String.Format("Close (Pool): {0}", _sql));
#endif
          }
          else
................................................................................
      SetTimeout(0);
    }

    internal override void ClearPool()
    {
      SQLiteConnectionPool.ClearPool(_fileName);
    }












    internal override void SetTimeout(int nTimeoutMS)
    {
      int n = UnsafeNativeMethods.sqlite3_busy_timeout(_sql, nTimeoutMS);
      if (n > 0) throw new SQLiteException(n, SQLiteLastError());
    }

    internal override bool Step(SQLiteStatement stmt)
    {
      int n;
      Random rnd = null;
      uint starttick = (uint)Environment.TickCount;
................................................................................

          // An error occurred, attempt to reset the statement.  If the reset worked because the
          // schema has changed, re-try the step again.  If it errored our because the database
          // is locked, then keep retrying until the command timeout occurs.
          r = Reset(stmt);

          if (r == 0)
            throw new SQLiteException(n, SQLiteLastError());

          else if ((r == 6 || r == 5) && stmt._command != null) // SQLITE_LOCKED || SQLITE_BUSY
          {
            // Keep trying
            if (rnd == null) // First time we've encountered the lock
              rnd = new Random();

            // If we've exceeded the command's timeout, give up and throw an error
            if ((uint)Environment.TickCount - starttick > timeout)
            {
              throw new SQLiteException(r, SQLiteLastError());
            }
            else
            {
              // Otherwise sleep for a random amount of time up to 150ms
              System.Threading.Thread.Sleep(rnd.Next(1, 150));
            }
          }
................................................................................
        }
        return -1; // Reset was OK, with schema change
      }
      else if (n == 6 || n == 5) // SQLITE_LOCKED || SQLITE_BUSY
        return n;

      if (n > 0)
        throw new SQLiteException(n, SQLiteLastError());

      return 0; // We reset OK, no schema changes
    }

    internal override string SQLiteLastError()
    {
      return SQLiteBase.SQLiteLastError(_sql);
    }

    internal override SQLiteStatement Prepare(SQLiteConnection cnn, string strSql, SQLiteStatement previous, uint timeoutMS, out string strRemain)
    {
      if (!String.IsNullOrEmpty(strSql))
      {
        //
................................................................................
          Trace.WriteLine(String.Format("Prepare: {0}", stmt));
#endif

          if (n == 17)
            retries++;
          else if (n == 1)
          {
            if (String.Compare(SQLiteLastError(), "near \"TYPES\": syntax error", StringComparison.OrdinalIgnoreCase) == 0)
            {
              int pos = strSql.IndexOf(';');
              if (pos == -1) pos = strSql.Length - 1;

              typedefs = strSql.Substring(0, pos + 1);
              strSql = strSql.Substring(pos + 1);

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

              if (cmd != null)
                cmd.SetTypes(typedefs);

              return cmd;
            }
#if !PLATFORM_COMPACTFRAMEWORK
            else if (_buildingSchema == false && String.Compare(SQLiteLastError(), 0, "no such table: TEMP.SCHEMA", 0, 26, StringComparison.OrdinalIgnoreCase) == 0)
            {
              strRemain = "";
              _buildingSchema = true;
              try
              {
                ISQLiteSchemaExtensions ext = ((IServiceProvider)SQLiteFactory.Instance).GetService(typeof(ISQLiteSchemaExtensions)) as ISQLiteSchemaExtensions;

................................................................................
            // Keep trying
            if (rnd == null) // First time we've encountered the lock
              rnd = new Random();

            // If we've exceeded the command's timeout, give up and throw an error
            if ((uint)Environment.TickCount - starttick > timeoutMS)
            {
              throw new SQLiteException(n, SQLiteLastError());
            }
            else
            {
              // Otherwise sleep for a random amount of time up to 150ms
              System.Threading.Thread.Sleep(rnd.Next(1, 150));
            }
          }
        }

        if (n > 0) throw new SQLiteException(n, SQLiteLastError());

        strRemain = UTF8ToString(ptr, len);

        if (stmt != IntPtr.Zero) cmd = new SQLiteStatement(this, flags, stmt, strSql.Substring(0, strSql.Length - strRemain.Length), previous);

        return cmd;
      }
................................................................................
            LogBind(handle, index, value);
        }

        int n = UnsafeNativeMethods.sqlite3_bind_double(handle, index, value);
#else
        int n = UnsafeNativeMethods.sqlite3_bind_double_interop(handle, index, ref value);
#endif
        if (n > 0) throw new SQLiteException(n, SQLiteLastError());
    }

    internal override void Bind_Int32(SQLiteStatement stmt, SQLiteConnectionFlags flags, int index, int value)
    {
        SQLiteStatementHandle handle = stmt._sqlite_stmt;

#if !PLATFORM_COMPACTFRAMEWORK
................................................................................
        if ((flags & SQLiteConnectionFlags.LogBind) == SQLiteConnectionFlags.LogBind)
        {
            LogBind(handle, index, value);
        }
#endif

        int n = UnsafeNativeMethods.sqlite3_bind_int(handle, index, value);
        if (n > 0) throw new SQLiteException(n, SQLiteLastError());
    }

    internal override void Bind_UInt32(SQLiteStatement stmt, SQLiteConnectionFlags flags, int index, uint value)
    {
        SQLiteStatementHandle handle = stmt._sqlite_stmt;

#if !PLATFORM_COMPACTFRAMEWORK
................................................................................
        if ((flags & SQLiteConnectionFlags.LogBind) == SQLiteConnectionFlags.LogBind)
        {
            LogBind(handle, index, value);
        }
#endif

        int n = UnsafeNativeMethods.sqlite3_bind_uint(handle, index, value);
        if (n > 0) throw new SQLiteException(n, SQLiteLastError());
    }

    internal override void Bind_Int64(SQLiteStatement stmt, SQLiteConnectionFlags flags, int index, long value)
    {
        SQLiteStatementHandle handle = stmt._sqlite_stmt;

#if !PLATFORM_COMPACTFRAMEWORK
................................................................................
            LogBind(handle, index, value);
        }

        int n = UnsafeNativeMethods.sqlite3_bind_int64(handle, index, value);
#else
        int n = UnsafeNativeMethods.sqlite3_bind_int64_interop(handle, index, ref value);
#endif
        if (n > 0) throw new SQLiteException(n, SQLiteLastError());
    }

    internal override void Bind_UInt64(SQLiteStatement stmt, SQLiteConnectionFlags flags, int index, ulong value)
    {
        SQLiteStatementHandle handle = stmt._sqlite_stmt;

#if !PLATFORM_COMPACTFRAMEWORK
................................................................................
            LogBind(handle, index, value);
        }

        int n = UnsafeNativeMethods.sqlite3_bind_uint64(handle, index, value);
#else
        int n = UnsafeNativeMethods.sqlite3_bind_uint64_interop(handle, index, ref value);
#endif
        if (n > 0) throw new SQLiteException(n, SQLiteLastError());
    }

    internal override void Bind_Text(SQLiteStatement stmt, SQLiteConnectionFlags flags, int index, string value)
    {
        SQLiteStatementHandle handle = stmt._sqlite_stmt;

#if !PLATFORM_COMPACTFRAMEWORK
................................................................................
        if ((flags & SQLiteConnectionFlags.LogBind) == SQLiteConnectionFlags.LogBind)
        {
            LogBind(handle, index, b);
        }
#endif

        int n = UnsafeNativeMethods.sqlite3_bind_text(handle, index, b, b.Length - 1, (IntPtr)(-1));
        if (n > 0) throw new SQLiteException(n, SQLiteLastError());
    }

    internal override void Bind_DateTime(SQLiteStatement stmt, SQLiteConnectionFlags flags, int index, DateTime dt)
    {
        SQLiteStatementHandle handle = stmt._sqlite_stmt;

#if !PLATFORM_COMPACTFRAMEWORK
................................................................................
                        LogBind(handle, index, value);
                    }

                    int n = UnsafeNativeMethods.sqlite3_bind_int64(handle, index, value);
#else
                    int n = UnsafeNativeMethods.sqlite3_bind_int64_interop(handle, index, ref value);
#endif
                    if (n > 0) throw new SQLiteException(n, SQLiteLastError());
                    break;
                }
            case SQLiteDateFormats.JulianDay:
                {
                    double value = ToJulianDay(dt);

#if !PLATFORM_COMPACTFRAMEWORK
................................................................................
                        LogBind(handle, index, value);
                    }

                    int n = UnsafeNativeMethods.sqlite3_bind_double(handle, index, value);
#else
                    int n = UnsafeNativeMethods.sqlite3_bind_double_interop(handle, index, ref value);
#endif
                    if (n > 0) throw new SQLiteException(n, SQLiteLastError());
                    break;
                }
            case SQLiteDateFormats.UnixEpoch:
                {
                    long value = Convert.ToInt64(dt.Subtract(UnixEpoch).TotalSeconds);

#if !PLATFORM_COMPACTFRAMEWORK
................................................................................
                        LogBind(handle, index, value);
                    }

                    int n = UnsafeNativeMethods.sqlite3_bind_int64(handle, index, value);
#else
                    int n = UnsafeNativeMethods.sqlite3_bind_int64_interop(handle, index, ref value);
#endif
                    if (n > 0) throw new SQLiteException(n, SQLiteLastError());
                    break;
                }
            default:
                {
                    byte[] b = ToUTF8(dt);

#if !PLATFORM_COMPACTFRAMEWORK
................................................................................
                    if ((flags & SQLiteConnectionFlags.LogBind) == SQLiteConnectionFlags.LogBind)
                    {
                        LogBind(handle, index, b);
                    }
#endif

                    int n = UnsafeNativeMethods.sqlite3_bind_text(handle, index, b, b.Length - 1, (IntPtr)(-1));
                    if (n > 0) throw new SQLiteException(n, SQLiteLastError());
                    break;
                }
        }
    }

    internal override void Bind_Blob(SQLiteStatement stmt, SQLiteConnectionFlags flags, int index, byte[] blobData)
    {
................................................................................
        if ((flags & SQLiteConnectionFlags.LogBind) == SQLiteConnectionFlags.LogBind)
        {
            LogBind(handle, index, blobData);
        }
#endif

        int n = UnsafeNativeMethods.sqlite3_bind_blob(handle, index, blobData, blobData.Length, (IntPtr)(-1));
        if (n > 0) throw new SQLiteException(n, SQLiteLastError());
    }

    internal override void Bind_Null(SQLiteStatement stmt, SQLiteConnectionFlags flags, int index)
    {
        SQLiteStatementHandle handle = stmt._sqlite_stmt;

#if !PLATFORM_COMPACTFRAMEWORK
................................................................................
        if ((flags & SQLiteConnectionFlags.LogBind) == SQLiteConnectionFlags.LogBind)
        {
            LogBind(handle, index);
        }
#endif

        int n = UnsafeNativeMethods.sqlite3_bind_null(handle, index);
        if (n > 0) throw new SQLiteException(n, SQLiteLastError());
    }

    internal override int Bind_ParamCount(SQLiteStatement stmt, SQLiteConnectionFlags flags)
    {
        SQLiteStatementHandle handle = stmt._sqlite_stmt;
        int value = UnsafeNativeMethods.sqlite3_bind_parameter_count(handle);

................................................................................
      n = UnsafeNativeMethods.sqlite3_table_column_metadata_interop(_sql, ToUTF8(dataBase), ToUTF8(table), ToUTF8(column), out dataTypePtr, out collSeqPtr, out nnotNull, out nprimaryKey, out nautoInc, out dtLen, out csLen);
#else
      dtLen = -1;
      csLen = -1;

      n = UnsafeNativeMethods.sqlite3_table_column_metadata(_sql, ToUTF8(dataBase), ToUTF8(table), ToUTF8(column), out dataTypePtr, out collSeqPtr, out nnotNull, out nprimaryKey, out nautoInc);
#endif
      if (n > 0) throw new SQLiteException(n, SQLiteLastError());

      dataType = UTF8ToString(dataTypePtr, dtLen);
      collateSequence = UTF8ToString(collSeqPtr, csLen);

      notNull = (nnotNull == 1);
      primaryKey = (nprimaryKey == 1);
      autoIncrement = (nautoInc == 1);
................................................................................
#if !SQLITE_STANDARD
      n = UnsafeNativeMethods.sqlite3_create_function_interop(_sql, ToUTF8(strFunction), nArgs, 4, IntPtr.Zero, func, funcstep, funcfinal, (needCollSeq == true) ? 1 : 0);
      if (n == 0) n = UnsafeNativeMethods.sqlite3_create_function_interop(_sql, ToUTF8(strFunction), nArgs, 1, IntPtr.Zero, func, funcstep, funcfinal, (needCollSeq == true) ? 1 : 0);
#else
      n = UnsafeNativeMethods.sqlite3_create_function(_sql, ToUTF8(strFunction), nArgs, 4, IntPtr.Zero, func, funcstep, funcfinal);
      if (n == 0) n = UnsafeNativeMethods.sqlite3_create_function(_sql, ToUTF8(strFunction), nArgs, 1, IntPtr.Zero, func, funcstep, funcfinal);
#endif
      if (n > 0) throw new SQLiteException(n, SQLiteLastError());
    }

    internal override void CreateCollation(string strCollation, SQLiteCollation func, SQLiteCollation func16)
    {
      int n = UnsafeNativeMethods.sqlite3_create_collation(_sql, ToUTF8(strCollation), 2, IntPtr.Zero, func16);
      if (n == 0) n = UnsafeNativeMethods.sqlite3_create_collation(_sql, ToUTF8(strCollation), 1, IntPtr.Zero, func);
      if (n > 0) throw new SQLiteException(n, SQLiteLastError());
    }

    internal override int ContextCollateCompare(CollationEncodingEnum enc, IntPtr context, string s1, string s2)
    {
#if !SQLITE_STANDARD
      byte[] b1;
      byte[] b2;
................................................................................
      UnsafeNativeMethods.sqlite3_log(iErrCode, ToUTF8(zMessage));
    }

#if INTEROP_CODEC
    internal override void SetPassword(byte[] passwordBytes)
    {
      int n = UnsafeNativeMethods.sqlite3_key(_sql, passwordBytes, passwordBytes.Length);
      if (n > 0) throw new SQLiteException(n, SQLiteLastError());
    }

    internal override void ChangePassword(byte[] newPasswordBytes)
    {
      int n = UnsafeNativeMethods.sqlite3_rekey(_sql, newPasswordBytes, (newPasswordBytes == null) ? 0 : newPasswordBytes.Length);
      if (n > 0) throw new SQLiteException(n, SQLiteLastError());
    }
#endif

    internal override void SetUpdateHook(SQLiteUpdateCallback func)
    {
      UnsafeNativeMethods.sqlite3_update_hook(_sql, func, IntPtr.Zero);
    }
................................................................................
        byte[] zDestName = ToUTF8(destName);
        byte[] zSourceName = ToUTF8(sourceName);

        IntPtr backup = UnsafeNativeMethods.sqlite3_backup_init(
            destHandle, zDestName, sourceHandle, zSourceName);

        if (backup == IntPtr.Zero)
            throw new SQLiteException(ResultCode(), SQLiteLastError());

        return new SQLiteBackup(
            this, backup, destHandle, zDestName, sourceHandle, zSourceName);
    }

    /// <summary>
    /// Copies up to N pages from the source database to the destination
................................................................................
        }
        else if (n == (int)SQLiteErrorCode.Done)
        {
            return false;
        }
        else
        {
            throw new SQLiteException(n, SQLiteLastError());
        }
    }

    /// <summary>
    /// Returns the number of pages remaining to be copied from the source
    /// database to the destination database associated with the specified
    /// backup object.
................................................................................
            throw new InvalidOperationException(
                "Backup object has an invalid handle.");

        int n = UnsafeNativeMethods.sqlite3_backup_finish(handle);
        handle.SetHandleAsInvalid();

        if ((n > 0) && (n != backup._stepResult))
            throw new SQLiteException(n, SQLiteLastError());
    }

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

    /// <summary>
    /// Determines if the SQLite core library has been initialized for the
    /// current process.







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    // resources belonging to the previously-registered functions.
    internal override void Close()
    {
      if (_sql != null)
      {
          if (_usePool)
          {
              SQLiteBase.ResetConnection(_sql, _sql);
              SQLiteConnectionPool.Add(_fileName, _sql, _poolVersion);

#if DEBUG && !NET_COMPACT_20
              Trace.WriteLine(String.Format("Close (Pool): {0}", _sql));
#endif
          }
          else
................................................................................
      SetTimeout(0);
    }

    internal override void ClearPool()
    {
      SQLiteConnectionPool.ClearPool(_fileName);
    }

    internal override int CountPool()
    {
        Dictionary<string, int> counts = null;
        int totalCount = 0;

        SQLiteConnectionPool.GetCounts(_fileName,
            ref counts, ref totalCount);

        return totalCount;
    }

    internal override void SetTimeout(int nTimeoutMS)
    {
      int n = UnsafeNativeMethods.sqlite3_busy_timeout(_sql, nTimeoutMS);
      if (n > 0) throw new SQLiteException(n, GetLastError());
    }

    internal override bool Step(SQLiteStatement stmt)
    {
      int n;
      Random rnd = null;
      uint starttick = (uint)Environment.TickCount;
................................................................................

          // An error occurred, attempt to reset the statement.  If the reset worked because the
          // schema has changed, re-try the step again.  If it errored our because the database
          // is locked, then keep retrying until the command timeout occurs.
          r = Reset(stmt);

          if (r == 0)
            throw new SQLiteException(n, GetLastError());

          else if ((r == 6 || r == 5) && stmt._command != null) // SQLITE_LOCKED || SQLITE_BUSY
          {
            // Keep trying
            if (rnd == null) // First time we've encountered the lock
              rnd = new Random();

            // If we've exceeded the command's timeout, give up and throw an error
            if ((uint)Environment.TickCount - starttick > timeout)
            {
              throw new SQLiteException(r, GetLastError());
            }
            else
            {
              // Otherwise sleep for a random amount of time up to 150ms
              System.Threading.Thread.Sleep(rnd.Next(1, 150));
            }
          }
................................................................................
        }
        return -1; // Reset was OK, with schema change
      }
      else if (n == 6 || n == 5) // SQLITE_LOCKED || SQLITE_BUSY
        return n;

      if (n > 0)
        throw new SQLiteException(n, GetLastError());

      return 0; // We reset OK, no schema changes
    }

    internal override string GetLastError()
    {
      return SQLiteBase.GetLastError(_sql, _sql);
    }

    internal override SQLiteStatement Prepare(SQLiteConnection cnn, string strSql, SQLiteStatement previous, uint timeoutMS, out string strRemain)
    {
      if (!String.IsNullOrEmpty(strSql))
      {
        //
................................................................................
          Trace.WriteLine(String.Format("Prepare: {0}", stmt));
#endif

          if (n == 17)
            retries++;
          else if (n == 1)
          {
            if (String.Compare(GetLastError(), "near \"TYPES\": syntax error", StringComparison.OrdinalIgnoreCase) == 0)
            {
              int pos = strSql.IndexOf(';');
              if (pos == -1) pos = strSql.Length - 1;

              typedefs = strSql.Substring(0, pos + 1);
              strSql = strSql.Substring(pos + 1);

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

              if (cmd != null)
                cmd.SetTypes(typedefs);

              return cmd;
            }
#if !PLATFORM_COMPACTFRAMEWORK
            else if (_buildingSchema == false && String.Compare(GetLastError(), 0, "no such table: TEMP.SCHEMA", 0, 26, StringComparison.OrdinalIgnoreCase) == 0)
            {
              strRemain = "";
              _buildingSchema = true;
              try
              {
                ISQLiteSchemaExtensions ext = ((IServiceProvider)SQLiteFactory.Instance).GetService(typeof(ISQLiteSchemaExtensions)) as ISQLiteSchemaExtensions;

................................................................................
            // Keep trying
            if (rnd == null) // First time we've encountered the lock
              rnd = new Random();

            // If we've exceeded the command's timeout, give up and throw an error
            if ((uint)Environment.TickCount - starttick > timeoutMS)
            {
              throw new SQLiteException(n, GetLastError());
            }
            else
            {
              // Otherwise sleep for a random amount of time up to 150ms
              System.Threading.Thread.Sleep(rnd.Next(1, 150));
            }
          }
        }

        if (n > 0) throw new SQLiteException(n, GetLastError());

        strRemain = UTF8ToString(ptr, len);

        if (stmt != IntPtr.Zero) cmd = new SQLiteStatement(this, flags, stmt, strSql.Substring(0, strSql.Length - strRemain.Length), previous);

        return cmd;
      }
................................................................................
            LogBind(handle, index, value);
        }

        int n = UnsafeNativeMethods.sqlite3_bind_double(handle, index, value);
#else
        int n = UnsafeNativeMethods.sqlite3_bind_double_interop(handle, index, ref value);
#endif
        if (n > 0) throw new SQLiteException(n, GetLastError());
    }

    internal override void Bind_Int32(SQLiteStatement stmt, SQLiteConnectionFlags flags, int index, int value)
    {
        SQLiteStatementHandle handle = stmt._sqlite_stmt;

#if !PLATFORM_COMPACTFRAMEWORK
................................................................................
        if ((flags & SQLiteConnectionFlags.LogBind) == SQLiteConnectionFlags.LogBind)
        {
            LogBind(handle, index, value);
        }
#endif

        int n = UnsafeNativeMethods.sqlite3_bind_int(handle, index, value);
        if (n > 0) throw new SQLiteException(n, GetLastError());
    }

    internal override void Bind_UInt32(SQLiteStatement stmt, SQLiteConnectionFlags flags, int index, uint value)
    {
        SQLiteStatementHandle handle = stmt._sqlite_stmt;

#if !PLATFORM_COMPACTFRAMEWORK
................................................................................
        if ((flags & SQLiteConnectionFlags.LogBind) == SQLiteConnectionFlags.LogBind)
        {
            LogBind(handle, index, value);
        }
#endif

        int n = UnsafeNativeMethods.sqlite3_bind_uint(handle, index, value);
        if (n > 0) throw new SQLiteException(n, GetLastError());
    }

    internal override void Bind_Int64(SQLiteStatement stmt, SQLiteConnectionFlags flags, int index, long value)
    {
        SQLiteStatementHandle handle = stmt._sqlite_stmt;

#if !PLATFORM_COMPACTFRAMEWORK
................................................................................
            LogBind(handle, index, value);
        }

        int n = UnsafeNativeMethods.sqlite3_bind_int64(handle, index, value);
#else
        int n = UnsafeNativeMethods.sqlite3_bind_int64_interop(handle, index, ref value);
#endif
        if (n > 0) throw new SQLiteException(n, GetLastError());
    }

    internal override void Bind_UInt64(SQLiteStatement stmt, SQLiteConnectionFlags flags, int index, ulong value)
    {
        SQLiteStatementHandle handle = stmt._sqlite_stmt;

#if !PLATFORM_COMPACTFRAMEWORK
................................................................................
            LogBind(handle, index, value);
        }

        int n = UnsafeNativeMethods.sqlite3_bind_uint64(handle, index, value);
#else
        int n = UnsafeNativeMethods.sqlite3_bind_uint64_interop(handle, index, ref value);
#endif
        if (n > 0) throw new SQLiteException(n, GetLastError());
    }

    internal override void Bind_Text(SQLiteStatement stmt, SQLiteConnectionFlags flags, int index, string value)
    {
        SQLiteStatementHandle handle = stmt._sqlite_stmt;

#if !PLATFORM_COMPACTFRAMEWORK
................................................................................
        if ((flags & SQLiteConnectionFlags.LogBind) == SQLiteConnectionFlags.LogBind)
        {
            LogBind(handle, index, b);
        }
#endif

        int n = UnsafeNativeMethods.sqlite3_bind_text(handle, index, b, b.Length - 1, (IntPtr)(-1));
        if (n > 0) throw new SQLiteException(n, GetLastError());
    }

    internal override void Bind_DateTime(SQLiteStatement stmt, SQLiteConnectionFlags flags, int index, DateTime dt)
    {
        SQLiteStatementHandle handle = stmt._sqlite_stmt;

#if !PLATFORM_COMPACTFRAMEWORK
................................................................................
                        LogBind(handle, index, value);
                    }

                    int n = UnsafeNativeMethods.sqlite3_bind_int64(handle, index, value);
#else
                    int n = UnsafeNativeMethods.sqlite3_bind_int64_interop(handle, index, ref value);
#endif
                    if (n > 0) throw new SQLiteException(n, GetLastError());
                    break;
                }
            case SQLiteDateFormats.JulianDay:
                {
                    double value = ToJulianDay(dt);

#if !PLATFORM_COMPACTFRAMEWORK
................................................................................
                        LogBind(handle, index, value);
                    }

                    int n = UnsafeNativeMethods.sqlite3_bind_double(handle, index, value);
#else
                    int n = UnsafeNativeMethods.sqlite3_bind_double_interop(handle, index, ref value);
#endif
                    if (n > 0) throw new SQLiteException(n, GetLastError());
                    break;
                }
            case SQLiteDateFormats.UnixEpoch:
                {
                    long value = Convert.ToInt64(dt.Subtract(UnixEpoch).TotalSeconds);

#if !PLATFORM_COMPACTFRAMEWORK
................................................................................
                        LogBind(handle, index, value);
                    }

                    int n = UnsafeNativeMethods.sqlite3_bind_int64(handle, index, value);
#else
                    int n = UnsafeNativeMethods.sqlite3_bind_int64_interop(handle, index, ref value);
#endif
                    if (n > 0) throw new SQLiteException(n, GetLastError());
                    break;
                }
            default:
                {
                    byte[] b = ToUTF8(dt);

#if !PLATFORM_COMPACTFRAMEWORK
................................................................................
                    if ((flags & SQLiteConnectionFlags.LogBind) == SQLiteConnectionFlags.LogBind)
                    {
                        LogBind(handle, index, b);
                    }
#endif

                    int n = UnsafeNativeMethods.sqlite3_bind_text(handle, index, b, b.Length - 1, (IntPtr)(-1));
                    if (n > 0) throw new SQLiteException(n, GetLastError());
                    break;
                }
        }
    }

    internal override void Bind_Blob(SQLiteStatement stmt, SQLiteConnectionFlags flags, int index, byte[] blobData)
    {
................................................................................
        if ((flags & SQLiteConnectionFlags.LogBind) == SQLiteConnectionFlags.LogBind)
        {
            LogBind(handle, index, blobData);
        }
#endif

        int n = UnsafeNativeMethods.sqlite3_bind_blob(handle, index, blobData, blobData.Length, (IntPtr)(-1));
        if (n > 0) throw new SQLiteException(n, GetLastError());
    }

    internal override void Bind_Null(SQLiteStatement stmt, SQLiteConnectionFlags flags, int index)
    {
        SQLiteStatementHandle handle = stmt._sqlite_stmt;

#if !PLATFORM_COMPACTFRAMEWORK
................................................................................
        if ((flags & SQLiteConnectionFlags.LogBind) == SQLiteConnectionFlags.LogBind)
        {
            LogBind(handle, index);
        }
#endif

        int n = UnsafeNativeMethods.sqlite3_bind_null(handle, index);
        if (n > 0) throw new SQLiteException(n, GetLastError());
    }

    internal override int Bind_ParamCount(SQLiteStatement stmt, SQLiteConnectionFlags flags)
    {
        SQLiteStatementHandle handle = stmt._sqlite_stmt;
        int value = UnsafeNativeMethods.sqlite3_bind_parameter_count(handle);

................................................................................
      n = UnsafeNativeMethods.sqlite3_table_column_metadata_interop(_sql, ToUTF8(dataBase), ToUTF8(table), ToUTF8(column), out dataTypePtr, out collSeqPtr, out nnotNull, out nprimaryKey, out nautoInc, out dtLen, out csLen);
#else
      dtLen = -1;
      csLen = -1;

      n = UnsafeNativeMethods.sqlite3_table_column_metadata(_sql, ToUTF8(dataBase), ToUTF8(table), ToUTF8(column), out dataTypePtr, out collSeqPtr, out nnotNull, out nprimaryKey, out nautoInc);
#endif
      if (n > 0) throw new SQLiteException(n, GetLastError());

      dataType = UTF8ToString(dataTypePtr, dtLen);
      collateSequence = UTF8ToString(collSeqPtr, csLen);

      notNull = (nnotNull == 1);
      primaryKey = (nprimaryKey == 1);
      autoIncrement = (nautoInc == 1);
................................................................................
#if !SQLITE_STANDARD
      n = UnsafeNativeMethods.sqlite3_create_function_interop(_sql, ToUTF8(strFunction), nArgs, 4, IntPtr.Zero, func, funcstep, funcfinal, (needCollSeq == true) ? 1 : 0);
      if (n == 0) n = UnsafeNativeMethods.sqlite3_create_function_interop(_sql, ToUTF8(strFunction), nArgs, 1, IntPtr.Zero, func, funcstep, funcfinal, (needCollSeq == true) ? 1 : 0);
#else
      n = UnsafeNativeMethods.sqlite3_create_function(_sql, ToUTF8(strFunction), nArgs, 4, IntPtr.Zero, func, funcstep, funcfinal);
      if (n == 0) n = UnsafeNativeMethods.sqlite3_create_function(_sql, ToUTF8(strFunction), nArgs, 1, IntPtr.Zero, func, funcstep, funcfinal);
#endif
      if (n > 0) throw new SQLiteException(n, GetLastError());
    }

    internal override void CreateCollation(string strCollation, SQLiteCollation func, SQLiteCollation func16)
    {
      int n = UnsafeNativeMethods.sqlite3_create_collation(_sql, ToUTF8(strCollation), 2, IntPtr.Zero, func16);
      if (n == 0) n = UnsafeNativeMethods.sqlite3_create_collation(_sql, ToUTF8(strCollation), 1, IntPtr.Zero, func);
      if (n > 0) throw new SQLiteException(n, GetLastError());
    }

    internal override int ContextCollateCompare(CollationEncodingEnum enc, IntPtr context, string s1, string s2)
    {
#if !SQLITE_STANDARD
      byte[] b1;
      byte[] b2;
................................................................................
      UnsafeNativeMethods.sqlite3_log(iErrCode, ToUTF8(zMessage));
    }

#if INTEROP_CODEC
    internal override void SetPassword(byte[] passwordBytes)
    {
      int n = UnsafeNativeMethods.sqlite3_key(_sql, passwordBytes, passwordBytes.Length);
      if (n > 0) throw new SQLiteException(n, GetLastError());
    }

    internal override void ChangePassword(byte[] newPasswordBytes)
    {
      int n = UnsafeNativeMethods.sqlite3_rekey(_sql, newPasswordBytes, (newPasswordBytes == null) ? 0 : newPasswordBytes.Length);
      if (n > 0) throw new SQLiteException(n, GetLastError());
    }
#endif

    internal override void SetUpdateHook(SQLiteUpdateCallback func)
    {
      UnsafeNativeMethods.sqlite3_update_hook(_sql, func, IntPtr.Zero);
    }
................................................................................
        byte[] zDestName = ToUTF8(destName);
        byte[] zSourceName = ToUTF8(sourceName);

        IntPtr backup = UnsafeNativeMethods.sqlite3_backup_init(
            destHandle, zDestName, sourceHandle, zSourceName);

        if (backup == IntPtr.Zero)
            throw new SQLiteException(ResultCode(), GetLastError());

        return new SQLiteBackup(
            this, backup, destHandle, zDestName, sourceHandle, zSourceName);
    }

    /// <summary>
    /// Copies up to N pages from the source database to the destination
................................................................................
        }
        else if (n == (int)SQLiteErrorCode.Done)
        {
            return false;
        }
        else
        {
            throw new SQLiteException(n, GetLastError());
        }
    }

    /// <summary>
    /// Returns the number of pages remaining to be copied from the source
    /// database to the destination database associated with the specified
    /// backup object.
................................................................................
            throw new InvalidOperationException(
                "Backup object has an invalid handle.");

        int n = UnsafeNativeMethods.sqlite3_backup_finish(handle);
        handle.SetHandleAsInvalid();

        if ((n > 0) && (n != backup._stepResult))
            throw new SQLiteException(n, GetLastError());
    }

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

    /// <summary>
    /// Determines if the SQLite core library has been initialized for the
    /// current process.

Changes to System.Data.SQLite/SQLite3_UTF16.cs.

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        if ((flags & SQLiteConnectionFlags.LogBind) == SQLiteConnectionFlags.LogBind)
        {
            LogBind(handle, index, value);
        }
#endif

        int n = UnsafeNativeMethods.sqlite3_bind_text16(handle, index, value, value.Length * 2, (IntPtr)(-1));
        if (n > 0) throw new SQLiteException(n, SQLiteLastError());
    }

    internal override DateTime GetDateTime(SQLiteStatement stmt, int index)
    {
      return ToDateTime(GetText(stmt, index));
    }








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        if ((flags & SQLiteConnectionFlags.LogBind) == SQLiteConnectionFlags.LogBind)
        {
            LogBind(handle, index, value);
        }
#endif

        int n = UnsafeNativeMethods.sqlite3_bind_text16(handle, index, value, value.Length * 2, (IntPtr)(-1));
        if (n > 0) throw new SQLiteException(n, GetLastError());
    }

    internal override DateTime GetDateTime(SQLiteStatement stmt, int index)
    {
      return ToDateTime(GetText(stmt, index));
    }

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, DateTimeKind kind)
      : base(fmt, kind) { }

    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 rowid of the most recent successful INSERT into the database from this connection.
    /// </summary>
................................................................................
    /// </summary>
    /// <param name="nTimeoutMS">The number of milliseconds to wait before returning SQLITE_BUSY</param>
    internal abstract void SetTimeout(int nTimeoutMS);
    /// <summary>
    /// Returns the text of the last error issued by SQLite
    /// </summary>
    /// <returns></returns>
    internal abstract string SQLiteLastError();

    /// <summary>
    /// When pooling is enabled, force this connection to be disposed rather than returned to the pool
    /// </summary>
    internal abstract void ClearPool();







    /// <summary>
    /// Prepares a SQL statement for execution.
    /// </summary>
    /// <param name="cnn">The source connection preparing the command.  Can be null for any caller except LINQ</param>
    /// <param name="strSql">The SQL command text to prepare</param>
    /// <param name="previous">The previous statement in a multi-statement command, or null if no previous statement exists</param>
    /// <param name="timeoutMS">The timeout to wait before aborting the prepare</param>
................................................................................
    ///////////////////////////////////////////////////////////////////////////////////////////////

    // These statics are here for lack of a better place to put them.
    // They exist here because they are called during the finalization of
    // a SQLiteStatementHandle, SQLiteConnectionHandle, and SQLiteFunctionCookieHandle.
    // Therefore these functions have to be static, and have to be low-level.

    internal static string SQLiteLastError(SQLiteConnectionHandle db)
    {





#if !SQLITE_STANDARD
      int len;
      return UTF8ToString(UnsafeNativeMethods.sqlite3_errmsg_interop(db, out len), len);
#else
      return UTF8ToString(UnsafeNativeMethods.sqlite3_errmsg(db), -1);
#endif
    }

    internal static void FinishBackup(SQLiteBackupHandle backup)
    {
        lock (_lock)
        {
            int n = UnsafeNativeMethods.sqlite3_backup_finish(backup);
            backup.SetHandleAsInvalid();
            if (n > 0) throw new SQLiteException(n, null);
        }
    }

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

        if (IsAutocommit(db) == false) // a transaction is pending on the connection
        {
          n = UnsafeNativeMethods.sqlite3_exec(db, ToUTF8("ROLLBACK"), IntPtr.Zero, IntPtr.Zero, out stmt);
          if (n > 0) throw new SQLiteException(n, SQLiteLastError(db));
        }
      }
    }

    internal static bool IsAutocommit(SQLiteConnectionHandle hdl)
    {

      return (UnsafeNativeMethods.sqlite3_get_autocommit(hdl) == 1);
    }

  }

  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, DateTimeKind kind)
      : base(fmt, kind) { }



    /// <summary>
    /// Returns a string representing the active version of SQLite
    /// </summary>
    internal abstract string Version { get; }
    /// <summary>
    /// Returns the rowid of the most recent successful INSERT into the database from this connection.
    /// </summary>
................................................................................
    /// </summary>
    /// <param name="nTimeoutMS">The number of milliseconds to wait before returning SQLITE_BUSY</param>
    internal abstract void SetTimeout(int nTimeoutMS);
    /// <summary>
    /// Returns the text of the last error issued by SQLite
    /// </summary>
    /// <returns></returns>
    internal abstract string GetLastError();

    /// <summary>
    /// When pooling is enabled, force this connection to be disposed rather than returned to the pool
    /// </summary>
    internal abstract void ClearPool();

    /// <summary>
    /// When pooling is enabled, returns the number of pool entries matching the current file name.
    /// </summary>
    /// <returns>The number of pool entries matching the current file name.</returns>
    internal abstract int CountPool();

    /// <summary>
    /// Prepares a SQL statement for execution.
    /// </summary>
    /// <param name="cnn">The source connection preparing the command.  Can be null for any caller except LINQ</param>
    /// <param name="strSql">The SQL command text to prepare</param>
    /// <param name="previous">The previous statement in a multi-statement command, or null if no previous statement exists</param>
    /// <param name="timeoutMS">The timeout to wait before aborting the prepare</param>
................................................................................
    ///////////////////////////////////////////////////////////////////////////////////////////////

    // These statics are here for lack of a better place to put them.
    // They exist here because they are called during the finalization of
    // a SQLiteStatementHandle, SQLiteConnectionHandle, and SQLiteFunctionCookieHandle.
    // Therefore these functions have to be static, and have to be low-level.

    internal static string GetLastError(SQLiteConnectionHandle hdl, IntPtr db)
    {
        if ((hdl == null) || (db == IntPtr.Zero))
            return "invalid connection or database handle";

        lock (hdl)
        {
#if !SQLITE_STANDARD
            int len;
            return UTF8ToString(UnsafeNativeMethods.sqlite3_errmsg_interop(db, out len), len);
#else
            return UTF8ToString(UnsafeNativeMethods.sqlite3_errmsg(db), -1);
#endif









        }
    }

    internal static void FinishBackup(IntPtr backup)
    {
        if (backup == IntPtr.Zero) return;
        int n = UnsafeNativeMethods.sqlite3_backup_finish(backup);
        if (n > 0) throw new SQLiteException(n, null);
    }

    internal static void FinalizeStatement(IntPtr stmt)
    {
        if (stmt == IntPtr.Zero) return;
#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 hdl, IntPtr db)
    {
        if ((hdl == null) || (db == IntPtr.Zero)) return;
        lock (hdl)
        {
#if !SQLITE_STANDARD
            int n = UnsafeNativeMethods.sqlite3_close_interop(db);
#else
            ResetConnection(hdl, db);
            int n = UnsafeNativeMethods.sqlite3_close(db);
#endif
            if (n > 0) throw new SQLiteException(n, GetLastError(hdl, db));
        }
    }

    internal static void ResetConnection(SQLiteConnectionHandle hdl, IntPtr db)
    {
        if ((hdl == null) || (db == IntPtr.Zero)) return;
        lock (hdl)
        {
            IntPtr stmt = IntPtr.Zero;
            int n;
            do
            {
                stmt = UnsafeNativeMethods.sqlite3_next_stmt(db, stmt);
                if (stmt != IntPtr.Zero)
                {
#if !SQLITE_STANDARD
                    n = UnsafeNativeMethods.sqlite3_reset_interop(stmt);
#else
                    n = UnsafeNativeMethods.sqlite3_reset(stmt);
#endif
                }
            } while (stmt != IntPtr.Zero);

            if (IsAutocommit(db) == false) // a transaction is pending on the connection
            {
                n = UnsafeNativeMethods.sqlite3_exec(db, ToUTF8("ROLLBACK"), IntPtr.Zero, IntPtr.Zero, out stmt);
                if (n > 0) throw new SQLiteException(n, GetLastError(hdl, db));
            }
        }
    }

    internal static bool IsAutocommit(IntPtr db)
    {
      if (db == IntPtr.Zero) return false;
      return (UnsafeNativeMethods.sqlite3_get_autocommit(db) == 1);
    }

  }

  internal interface ISQLiteSchemaExtensions
  {
    void BuildTempSchema(SQLiteConnection cnn);

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

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          _sql.Close();
          _sql = null;
        }
        _transactionLevel = 0;
      }
      OnStateChange(ConnectionState.Closed);
    }













    /// <summary>
    /// Clears the connection pool associated with the connection.  Any other active connections using the same database file
    /// will be discarded instead of returned to the pool when they are closed.
    /// </summary>
    /// <param name="connection"></param>
    public static void ClearPool(SQLiteConnection connection)







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          _sql.Close();
          _sql = null;
        }
        _transactionLevel = 0;
      }
      OnStateChange(ConnectionState.Closed);
    }

    /// <summary>
    /// Returns the number of pool entries for the file name associated with this connection.
    /// </summary>
    public int PoolCount
    {
        get
        {
            if (_sql == null) return 0;
            return _sql.CountPool();
        }
    }

    /// <summary>
    /// Clears the connection pool associated with the connection.  Any other active connections using the same database file
    /// will be discarded instead of returned to the pool when they are closed.
    /// </summary>
    /// <param name="connection"></param>
    public static void ClearPool(SQLiteConnection connection)

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

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    /// </summary>
    private static SortedList<string, Pool> _connections = new SortedList<string, Pool>(StringComparer.OrdinalIgnoreCase);

    /// <summary>
    /// The default version number new pools will get
    /// </summary>
    private static int _poolVersion = 1;



















































    /// <summary>
    /// Attempt to pull a pooled connection out of the queue for active duty
    /// </summary>
    /// <param name="fileName">The filename for a desired connection</param>
    /// <param name="maxPoolSize">The maximum size the connection pool for the filename can be</param>
    /// <param name="version">The pool version the returned connection will belong to</param>
................................................................................
        // We found a pool for this file, so use its version number
        version = queue.PoolVersion;
        queue.MaxPoolSize = maxPoolSize;

        ResizePool(queue, false);

        // Try and get a pooled connection from the queue



        while (queue.Queue.Count > 0)
        {
          WeakReference cnn = queue.Queue.Dequeue();
          SQLiteConnectionHandle hdl = cnn.Target as SQLiteConnectionHandle;
          if (hdl != null)

          {
            return hdl;
          }

        }
        return null;
      }
    }

    /// <summary>
    /// Clears out all pooled connections and rev's up the default pool version to force all old active objects
................................................................................
          {
            WeakReference cnn = pair.Value.Queue.Dequeue();
            SQLiteConnectionHandle hdl = cnn.Target as SQLiteConnectionHandle;
            if (hdl != null)
            {
              hdl.Dispose();
            }

          }
          
          // Keep track of the highest revision so we can go one higher when we're finished
          if (_poolVersion <= pair.Value.PoolVersion)
            _poolVersion = pair.Value.PoolVersion + 1;
        }
        // All pools are cleared and we have a new highest version number to force all old version active items to get discarded
................................................................................
    {
      lock (_connections)
      {
        Pool queue;
        if (_connections.TryGetValue(fileName, out queue) == true)
        {
          queue.PoolVersion++;




          while (queue.Queue.Count > 0)
          {
            WeakReference cnn = queue.Queue.Dequeue();
            SQLiteConnectionHandle hdl = cnn.Target as SQLiteConnectionHandle;
            if (hdl != null)
            {
              hdl.Dispose();
            }

          }
        }
      }
    }

    /// <summary>
    /// Return a connection to the pool for someone else to use.
................................................................................
      lock (_connections)
      {
        // If the queue doesn't exist in the pool, then it must've been cleared sometime after the connection was created.
        Pool queue;
        if (_connections.TryGetValue(fileName, out queue) == true && version == queue.PoolVersion)
        {
          ResizePool(queue, true);




          queue.Queue.Enqueue(new WeakReference(hdl, false));
          GC.KeepAlive(hdl);
        }
        else
        {
          hdl.Close();
        }
      }
................................................................................
    /// to take one more than it needs from the pool</param>
    private static void ResizePool(Pool queue, bool forAdding)
    {
      int target = queue.MaxPoolSize;

      if (forAdding && target > 0) target--;




      while (queue.Queue.Count > target)
      {
        WeakReference cnn = queue.Queue.Dequeue();
        SQLiteConnectionHandle hdl = cnn.Target as SQLiteConnectionHandle;
        if (hdl != null)
        {
          hdl.Dispose();
        }

      }
    }
  }
}







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    /// </summary>
    private static SortedList<string, Pool> _connections = new SortedList<string, Pool>(StringComparer.OrdinalIgnoreCase);

    /// <summary>
    /// The default version number new pools will get
    /// </summary>
    private static int _poolVersion = 1;

    /// <summary>
    /// Counts the number of pool entries matching the specified file name.
    /// </summary>
    /// <param name="fileName">The file name to match or null to match all files.</param>
    /// <param name="counts">The pool entry counts for each matching file.</param>
    /// <param name="totalCount">The total number of pool entries for all matching files.</param>
    internal static void GetCounts(
        string fileName,
        ref Dictionary<string, int> counts,
        ref int totalCount
        )
    {
        lock (_connections)
        {
            if (counts == null)
            {
                counts = new Dictionary<string, int>(
                    StringComparer.OrdinalIgnoreCase);
            }

            if (fileName != null)
            {
                Pool queue;

                if (_connections.TryGetValue(fileName, out queue))
                {
                    Queue<WeakReference> poolQueue = queue.Queue;
                    int count = (poolQueue != null) ? poolQueue.Count : 0;

                    counts.Add(fileName, count);
                    totalCount += count;
                }
            }
            else
            {
                foreach (KeyValuePair<string, Pool> pair in _connections)
                {
                    if (pair.Value == null)
                        continue;

                    Queue<WeakReference> poolQueue = pair.Value.Queue;
                    int count = (poolQueue != null) ? poolQueue.Count : 0;

                    counts.Add(pair.Key, count);
                    totalCount += count;
                }
            }
        }
    }

    /// <summary>
    /// Attempt to pull a pooled connection out of the queue for active duty
    /// </summary>
    /// <param name="fileName">The filename for a desired connection</param>
    /// <param name="maxPoolSize">The maximum size the connection pool for the filename can be</param>
    /// <param name="version">The pool version the returned connection will belong to</param>
................................................................................
        // We found a pool for this file, so use its version number
        version = queue.PoolVersion;
        queue.MaxPoolSize = maxPoolSize;

        ResizePool(queue, false);

        // Try and get a pooled connection from the queue
        Queue<WeakReference> poolQueue = queue.Queue;
        if (poolQueue == null) return null;

        while (poolQueue.Count > 0)
        {
          WeakReference cnn = poolQueue.Dequeue();
          SQLiteConnectionHandle hdl = cnn.Target as SQLiteConnectionHandle;

          if ((hdl != null) && !hdl.IsClosed && !hdl.IsInvalid)
          {
            return hdl;
          }
          GC.KeepAlive(hdl);
        }
        return null;
      }
    }

    /// <summary>
    /// Clears out all pooled connections and rev's up the default pool version to force all old active objects
................................................................................
          {
            WeakReference cnn = pair.Value.Queue.Dequeue();
            SQLiteConnectionHandle hdl = cnn.Target as SQLiteConnectionHandle;
            if (hdl != null)
            {
              hdl.Dispose();
            }
            GC.KeepAlive(hdl);
          }
          
          // Keep track of the highest revision so we can go one higher when we're finished
          if (_poolVersion <= pair.Value.PoolVersion)
            _poolVersion = pair.Value.PoolVersion + 1;
        }
        // All pools are cleared and we have a new highest version number to force all old version active items to get discarded
................................................................................
    {
      lock (_connections)
      {
        Pool queue;
        if (_connections.TryGetValue(fileName, out queue) == true)
        {
          queue.PoolVersion++;

          Queue<WeakReference> poolQueue = queue.Queue;
          if (poolQueue == null) return;

          while (poolQueue.Count > 0)
          {
            WeakReference cnn = poolQueue.Dequeue();
            SQLiteConnectionHandle hdl = cnn.Target as SQLiteConnectionHandle;
            if (hdl != null)
            {
              hdl.Dispose();
            }
            GC.KeepAlive(hdl);
          }
        }
      }
    }

    /// <summary>
    /// Return a connection to the pool for someone else to use.
................................................................................
      lock (_connections)
      {
        // If the queue doesn't exist in the pool, then it must've been cleared sometime after the connection was created.
        Pool queue;
        if (_connections.TryGetValue(fileName, out queue) == true && version == queue.PoolVersion)
        {
          ResizePool(queue, true);

          Queue<WeakReference> poolQueue = queue.Queue;
          if (poolQueue == null) return;

          poolQueue.Enqueue(new WeakReference(hdl, false));
          GC.KeepAlive(hdl);
        }
        else
        {
          hdl.Close();
        }
      }
................................................................................
    /// to take one more than it needs from the pool</param>
    private static void ResizePool(Pool queue, bool forAdding)
    {
      int target = queue.MaxPoolSize;

      if (forAdding && target > 0) target--;

      Queue<WeakReference> poolQueue = queue.Queue;
      if (poolQueue == null) return;

      while (poolQueue.Count > target)
      {
        WeakReference cnn = poolQueue.Dequeue();
        SQLiteConnectionHandle hdl = cnn.Target as SQLiteConnectionHandle;
        if (hdl != null)
        {
          hdl.Dispose();
        }
        GC.KeepAlive(hdl);
      }
    }
  }
}

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

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#endif

#if !PLATFORM_COMPACTFRAMEWORK && !DEBUG
  using System.Security;
#endif

  using System.Runtime.InteropServices;





#if !PLATFORM_COMPACTFRAMEWORK && !DEBUG
  [SuppressUnmanagedCodeSecurity]
#endif
  internal static class UnsafeNativeMethods
  {
      #region Optional Native SQLite Library Pre-Loading Code
................................................................................
    {
    }

    protected override bool ReleaseHandle()
    {
      try
      {





        SQLiteBase.CloseConnection(this);

#if DEBUG && !NET_COMPACT_20
        try
        {
          Trace.WriteLine(String.Format(
              "CloseConnection: {0}", handle));
        }
        catch
        {
        }
#endif








#if DEBUG
        return true;
#endif
      }
#if DEBUG && !NET_COMPACT_20
      catch (SQLiteException e)
................................................................................
              handle, e));
        }
        catch
        {
        }
#endif
      }




#if DEBUG
      return false;
#else
      return true;
#endif
    }

................................................................................
    {
    }

    protected override bool ReleaseHandle()
    {
      try
      {





        SQLiteBase.FinalizeStatement(this);

#if DEBUG && !NET_COMPACT_20
        try
        {
          Trace.WriteLine(String.Format(
              "FinalizeStatement: {0}", handle));
        }
        catch
        {
        }
#endif








#if DEBUG
        return true;
#endif
      }
#if DEBUG && !NET_COMPACT_20
      catch (SQLiteException e)
................................................................................
              handle, e));
        }
        catch
        {
        }
#endif
      }




#if DEBUG
      return false;
#else
      return true;
#endif
    }

................................................................................
      {
      }

      protected override bool ReleaseHandle()
      {
          try
          {





              SQLiteBase.FinishBackup(this);

#if DEBUG && !NET_COMPACT_20
              try
              {
                  Trace.WriteLine(String.Format(
                      "FinishBackup: {0}", handle));
              }
              catch
              {
              }
#endif








#if DEBUG
              return true;
#endif
          }
#if DEBUG && !NET_COMPACT_20
          catch (SQLiteException e)
................................................................................
                      handle, e));
              }
              catch
              {
              }
#endif
          }




#if DEBUG
          return false;
#else
          return true;
#endif
      }








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#endif

#if !PLATFORM_COMPACTFRAMEWORK && !DEBUG
  using System.Security;
#endif

  using System.Runtime.InteropServices;

#if !PLATFORM_COMPACTFRAMEWORK
  using System.Threading;
#endif

#if !PLATFORM_COMPACTFRAMEWORK && !DEBUG
  [SuppressUnmanagedCodeSecurity]
#endif
  internal static class UnsafeNativeMethods
  {
      #region Optional Native SQLite Library Pre-Loading Code
................................................................................
    {
    }

    protected override bool ReleaseHandle()
    {
      try
      {
#if !PLATFORM_COMPACTFRAMEWORK
        IntPtr localHandle = Interlocked.Exchange(
          ref handle, IntPtr.Zero);

        if (localHandle != IntPtr.Zero)
          SQLiteBase.CloseConnection(this, localHandle);

#if DEBUG && !NET_COMPACT_20
        try
        {
          Trace.WriteLine(String.Format(
              "CloseConnection: {0}", localHandle));
        }
        catch
        {
        }
#endif
#else
        if (handle != IntPtr.Zero)
        {
          SQLiteBase.CloseConnection(this, handle);
          SetHandle(IntPtr.Zero);
        }
#endif

#if DEBUG
        return true;
#endif
      }
#if DEBUG && !NET_COMPACT_20
      catch (SQLiteException e)
................................................................................
              handle, e));
        }
        catch
        {
        }
#endif
      }
      finally
      {
        SetHandleAsInvalid();
      }
#if DEBUG
      return false;
#else
      return true;
#endif
    }

................................................................................
    {
    }

    protected override bool ReleaseHandle()
    {
      try
      {
#if !PLATFORM_COMPACTFRAMEWORK
        IntPtr localHandle = Interlocked.Exchange(
          ref handle, IntPtr.Zero);

        if (localHandle != IntPtr.Zero)
          SQLiteBase.FinalizeStatement(localHandle);

#if DEBUG && !NET_COMPACT_20
        try
        {
          Trace.WriteLine(String.Format(
              "FinalizeStatement: {0}", localHandle));
        }
        catch
        {
        }
#endif
#else
        if (handle != IntPtr.Zero)
        {
          SQLiteBase.FinalizeStatement(handle);
          SetHandle(IntPtr.Zero);
        }
#endif

#if DEBUG
        return true;
#endif
      }
#if DEBUG && !NET_COMPACT_20
      catch (SQLiteException e)
................................................................................
              handle, e));
        }
        catch
        {
        }
#endif
      }
      finally
      {
        SetHandleAsInvalid();
      }
#if DEBUG
      return false;
#else
      return true;
#endif
    }

................................................................................
      {
      }

      protected override bool ReleaseHandle()
      {
          try
          {
#if !PLATFORM_COMPACTFRAMEWORK
              IntPtr localHandle = Interlocked.Exchange(
                  ref handle, IntPtr.Zero);

              if (localHandle != IntPtr.Zero)
                  SQLiteBase.FinishBackup(localHandle);

#if DEBUG && !NET_COMPACT_20
              try
              {
                  Trace.WriteLine(String.Format(
                      "FinishBackup: {0}", localHandle));
              }
              catch
              {
              }
#endif
#else
              if (handle != IntPtr.Zero)
              {
                SQLiteBase.FinishBackup(handle);
                SetHandle(IntPtr.Zero);
              }
#endif

#if DEBUG
              return true;
#endif
          }
#if DEBUG && !NET_COMPACT_20
          catch (SQLiteException e)
................................................................................
                      handle, e));
              }
              catch
              {
              }
#endif
          }
          finally
          {
              SetHandleAsInvalid();
          }
#if DEBUG
          return false;
#else
          return true;
#endif
      }

Changes to Tests/basic.eagle.

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36
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...
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....
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1404

1405
1406
1407
1408
1409
1410

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

#
# NOTE: Setup the variables that refer to the various files required by the
#       tests in this file.
#


set testExeFile [getBuildFileName test.exe]
set testLinqExeFile [getBuildFileName testlinq.exe]
set testLinqOutFile [file nativename [file join $path testlinq.out]]
set northwindEfDbFile [file nativename [file join [file dirname $path] \
    testlinq northwindEF.db]]

#
# NOTE: Setup the test constraints specific to the tests in this file.
#










if {![haveConstraint [appendArgs file_ [file tail $testExeFile]]]} then {
  checkForFile $test_channel $testExeFile
}

if {![haveConstraint [appendArgs file_ [file tail $testLinqExeFile]]]} then {
  checkForFile $test_channel $testLinqExeFile
}
................................................................................
  tlog "\n---- END STDOUT OUTPUT\n"

  list $code [expr {$code == 0 ? "" : $error}]
} -cleanup {
  cleanupDb $fileName

  unset -nocomplain code output error fileName
} -constraints {eagle file_test.exe} -result {0 {}}}

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

runTest {test data-1.2 {unit tests from the 'testlinq' project} -setup {
  #
  # 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.
................................................................................
  list $code [string equal $output [readFile $testLinqOutFile]] \
      [expr {$code == 0 ? "" : $error}]
} -cleanup {
  catch {object invoke Console OutputEncoding $savedEncoding}

  unset -nocomplain code output error savedEncoding encoding
} -constraints \
{eagle monoToDo file_testlinq.exe file_northwindEF.db file_testlinq.out} \
-result {0 True {}}}

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

runTest {test data-1.3 {SELECT scalar/reader, CREATE, INSERT} -setup {
  setupDb [set fileName data-1.3.db]
} -body {
  set result [list]
................................................................................
  cleanupDb $fileName

  unset -nocomplain providerServices connection db fileName
} -constraints {eagle System.Data.SQLite System.Data.SQLite.Linq} -result {}}

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


unset -nocomplain testExeFile testLinqExeFile northwindEfDbFile testLinqOutFile

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

runSQLiteTestEpilogue
runTestEpilogue







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

#
# NOTE: Setup the variables that refer to the various files required by the
#       tests in this file.
#
set systemDataSQLiteDllFile [getBuildFileName System.Data.SQLite.dll]
set systemDataSQLiteLinqDllFile [getBuildFileName System.Data.SQLite.Linq.dll]
set testExeFile [getBuildFileName test.exe]
set testLinqExeFile [getBuildFileName testlinq.exe]
set testLinqOutFile [file nativename [file join $path testlinq.out]]
set northwindEfDbFile [file nativename [file join [file dirname $path] \
    testlinq northwindEF.db]]

#
# NOTE: Setup the test constraints specific to the tests in this file.
#
if {![haveConstraint [appendArgs file_ \
    [file tail $systemDataSQLiteDllFile]]]} then {
  checkForFile $test_channel $systemDataSQLiteDllFile
}

if {![haveConstraint [appendArgs file_ \
    [file tail $systemDataSQLiteLinqDllFile]]]} then {
  checkForFile $test_channel $systemDataSQLiteLinqDllFile
}

if {![haveConstraint [appendArgs file_ [file tail $testExeFile]]]} then {
  checkForFile $test_channel $testExeFile
}

if {![haveConstraint [appendArgs file_ [file tail $testLinqExeFile]]]} then {
  checkForFile $test_channel $testLinqExeFile
}
................................................................................
  tlog "\n---- END STDOUT OUTPUT\n"

  list $code [expr {$code == 0 ? "" : $error}]
} -cleanup {
  cleanupDb $fileName

  unset -nocomplain code output error fileName
} -constraints {eagle file_System.Data.SQLite.dll file_test.exe} -result {0 {}}}

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

runTest {test data-1.2 {unit tests from the 'testlinq' project} -setup {
  #
  # 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.
................................................................................
  list $code [string equal $output [readFile $testLinqOutFile]] \
      [expr {$code == 0 ? "" : $error}]
} -cleanup {
  catch {object invoke Console OutputEncoding $savedEncoding}

  unset -nocomplain code output error savedEncoding encoding
} -constraints \
{eagle monoToDo file_System.Data.SQLite.dll file_System.Data.SQLite.Linq.dll\
file_testlinq.exe file_northwindEF.db file_testlinq.out} -result {0 True {}}}

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

runTest {test data-1.3 {SELECT scalar/reader, CREATE, INSERT} -setup {
  setupDb [set fileName data-1.3.db]
} -body {
  set result [list]
................................................................................
  cleanupDb $fileName

  unset -nocomplain providerServices connection db fileName
} -constraints {eagle System.Data.SQLite System.Data.SQLite.Linq} -result {}}

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

unset -nocomplain systemDataSQLiteDllFile systemDataSQLiteLinqDllFile \
    testExeFile testLinqExeFile northwindEfDbFile testLinqOutFile

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

runSQLiteTestEpilogue
runTestEpilogue

Changes to Tests/common.eagle.

803
804
805
806
807
808
809


810


811


812

813
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815
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817
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819
...
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900







901
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904
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909
910
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913
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        #
        if {![info exists ::no(sqliteFiles)]} then {
          #
          # NOTE: Skip trying to delete any files if we are so instructed.
          #
          if {![info exists ::no(deleteSqliteFiles)]} then {
            tryDeleteAssembly sqlite3.dll


            tryDeleteAssembly SQLite.Interop.dll


            tryDeleteAssembly System.Data.SQLite.dll


            tryDeleteAssembly System.Data.SQLite.Linq.dll

          }

          #
          # NOTE: Skip trying to copy any files if we are so instructed.
          #
          if {![info exists ::no(copySqliteFiles)]} then {
            tryCopyAssembly sqlite3.dll
................................................................................
        reportSQLiteResources $::test_channel

        #
        # NOTE: Show the active test constraints.
        #
        tputs $::test_channel [appendArgs "---- constraints: " \
            [formatList [lsort [getConstraints]]] \n]







      }
    }
 
    proc runSQLiteTestEpilogue {} {
      #
      # NOTE: Skip running our custom epilogue if the main one has been skipped.
      #
      if {![info exists ::no(epilogue.eagle)]} then {







        #
        # NOTE: Also report the resource usage after running the tests.
        #
        reportSQLiteResources $::test_channel
      }
    }
 







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...
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        #
        if {![info exists ::no(sqliteFiles)]} then {
          #
          # NOTE: Skip trying to delete any files if we are so instructed.
          #
          if {![info exists ::no(deleteSqliteFiles)]} then {
            tryDeleteAssembly sqlite3.dll
            removeConstraint file_sqlite3.dll

            tryDeleteAssembly SQLite.Interop.dll
            removeConstraint file_SQLite.Interop.dll

            tryDeleteAssembly System.Data.SQLite.dll
            removeConstraint file_System.Data.SQLite.dll

            tryDeleteAssembly System.Data.SQLite.Linq.dll
            removeConstraint file_System.Data.SQLite.Linq.dll
          }

          #
          # NOTE: Skip trying to copy any files if we are so instructed.
          #
          if {![info exists ::no(copySqliteFiles)]} then {
            tryCopyAssembly sqlite3.dll
................................................................................
        reportSQLiteResources $::test_channel

        #
        # NOTE: Show the active test constraints.
        #
        tputs $::test_channel [appendArgs "---- constraints: " \
            [formatList [lsort [getConstraints]]] \n]

        #
        # NOTE: Show when our tests actually began (now).
        #
        tputs $::test_channel [appendArgs \
            "---- System.Data.SQLite tests began at " \
            [clock format [clock seconds]] \n]
      }
    }
 
    proc runSQLiteTestEpilogue {} {
      #
      # NOTE: Skip running our custom epilogue if the main one has been skipped.
      #
      if {![info exists ::no(epilogue.eagle)]} then {
        #
        # NOTE: Show when our tests actually ended (now).
        #
        tputs $::test_channel [appendArgs \
            "---- System.Data.SQLite tests ended at " \
            [clock format [clock seconds]] \n]

        #
        # NOTE: Also report the resource usage after running the tests.
        #
        reportSQLiteResources $::test_channel
      }
    }
 

Changes to Tests/tkt-00f86f9739.eagle.

20
21
22
23
24
25
26


27
28
29
30
31
32
33










34
35
36
37
38
39
40
..
67
68
69
70
71
72
73

74
75
76

77
78
79

80
81
82
83
84
85

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

#
# NOTE: Setup the variables that refer to the various files required by the
#       tests in this file.
#


set testLinqExeFile [getBuildFileName testlinq.exe]
set northwindEfDbFile [file nativename [file join [file dirname $path] \
    testlinq northwindEF.db]]

#
# NOTE: Setup the test constraints specific to the tests in this file.
#










if {![haveConstraint [appendArgs file_ [file tail $testLinqExeFile]]]} then {
  checkForFile $test_channel $testLinqExeFile
}

if {![haveConstraint [appendArgs file_ [file tail $northwindEfDbFile]]]} then {
  checkForFile $test_channel $northwindEfDbFile
}
................................................................................
  }

  set result
} -cleanup {
  unset -nocomplain code output error result value
} -constraints \
{eagle monoToDo defineConstant.System.Data.SQLite.INTEROP_EXTENSION_FUNCTIONS\

file_testlinq.exe file_northwindEF.db} -result {0 {} 0 {DRACD OLDWO RATTC} 0\
{ALFKI CACTU CHOPS FOLKO GALED KOENE LILAS MAGAA MAISD OCEAN RANCH SAVEA THECR}\
0 {} 0 {} 0 {} 0 {}}}


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


unset -nocomplain testLinqExeFile northwindEfDbFile

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

runSQLiteTestEpilogue
runTestEpilogue







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33
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35
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37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
..
79
80
81
82
83
84
85
86
87
88

89
90
91
92
93
94
95
96
97
98
99

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

#
# NOTE: Setup the variables that refer to the various files required by the
#       tests in this file.
#
set systemDataSQLiteDllFile [getBuildFileName System.Data.SQLite.dll]
set systemDataSQLiteLinqDllFile [getBuildFileName System.Data.SQLite.Linq.dll]
set testLinqExeFile [getBuildFileName testlinq.exe]
set northwindEfDbFile [file nativename [file join [file dirname $path] \
    testlinq northwindEF.db]]

#
# NOTE: Setup the test constraints specific to the tests in this file.
#
if {![haveConstraint [appendArgs file_ \
    [file tail $systemDataSQLiteDllFile]]]} then {
  checkForFile $test_channel $systemDataSQLiteDllFile
}

if {![haveConstraint [appendArgs file_ \
    [file tail $systemDataSQLiteLinqDllFile]]]} then {
  checkForFile $test_channel $systemDataSQLiteLinqDllFile
}

if {![haveConstraint [appendArgs file_ [file tail $testLinqExeFile]]]} then {
  checkForFile $test_channel $testLinqExeFile
}

if {![haveConstraint [appendArgs file_ [file tail $northwindEfDbFile]]]} then {
  checkForFile $test_channel $northwindEfDbFile
}
................................................................................
  }

  set result
} -cleanup {
  unset -nocomplain code output error result value
} -constraints \
{eagle monoToDo defineConstant.System.Data.SQLite.INTEROP_EXTENSION_FUNCTIONS\
file_System.Data.SQLite.dll file_System.Data.SQLite.Linq.dll file_testlinq.exe\
file_northwindEF.db} -result {0 {} 0 {DRACD OLDWO RATTC} 0 {ALFKI CACTU CHOPS\
FOLKO GALED KOENE LILAS MAGAA MAISD OCEAN RANCH SAVEA THECR} 0 {} 0 {} 0 {} 0\

{}}}

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

unset -nocomplain systemDataSQLiteDllFile systemDataSQLiteLinqDllFile \
    testLinqExeFile northwindEfDbFile

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

runSQLiteTestEpilogue
runTestEpilogue

Changes to Tests/tkt-59edc1018b.eagle.

20
21
22
23
24
25
26


27
28
29
30
31
32
33










34
35
36
37
38
39
40
..
67
68
69
70
71
72
73
74
75
76
77
78
79

80
81
82
83
84
85

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

#
# NOTE: Setup the variables that refer to the various files required by the
#       tests in this file.
#


set testLinqExeFile [getBuildFileName testlinq.exe]
set northwindEfDbFile [file nativename [file join [file dirname $path] \
    testlinq northwindEF.db]]

#
# NOTE: Setup the test constraints specific to the tests in this file.
#










if {![haveConstraint [appendArgs file_ [file tail $testLinqExeFile]]]} then {
  checkForFile $test_channel $testLinqExeFile
}

if {![haveConstraint [appendArgs file_ [file tail $northwindEfDbFile]]]} then {
  checkForFile $test_channel $northwindEfDbFile
}
................................................................................
  }

  set result
} -cleanup {
  unset -nocomplain code output error result value
} -constraints \
{eagle monoToDo defineConstant.System.Data.SQLite.INTEROP_EXTENSION_FUNCTIONS\
file_testlinq.exe file_northwindEF.db} -result {0 {} 0 {FURIB GALED GODOS LAZYK\
LINOD PRINI REGGC WOLZA} 0 {} 0 ERNSH 0 {} 0 {AROUT BSBEV CONSH EASTC NORTS\
SEVES} 0 {}}}

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


unset -nocomplain testLinqExeFile northwindEfDbFile

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

runSQLiteTestEpilogue
runTestEpilogue







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

#
# NOTE: Setup the variables that refer to the various files required by the
#       tests in this file.
#
set systemDataSQLiteDllFile [getBuildFileName System.Data.SQLite.dll]
set systemDataSQLiteLinqDllFile [getBuildFileName System.Data.SQLite.Linq.dll]
set testLinqExeFile [getBuildFileName testlinq.exe]
set northwindEfDbFile [file nativename [file join [file dirname $path] \
    testlinq northwindEF.db]]

#
# NOTE: Setup the test constraints specific to the tests in this file.
#
if {![haveConstraint [appendArgs file_ \
    [file tail $systemDataSQLiteDllFile]]]} then {
  checkForFile $test_channel $systemDataSQLiteDllFile
}

if {![haveConstraint [appendArgs file_ \
    [file tail $systemDataSQLiteLinqDllFile]]]} then {
  checkForFile $test_channel $systemDataSQLiteLinqDllFile
}

if {![haveConstraint [appendArgs file_ [file tail $testLinqExeFile]]]} then {
  checkForFile $test_channel $testLinqExeFile
}

if {![haveConstraint [appendArgs file_ [file tail $northwindEfDbFile]]]} then {
  checkForFile $test_channel $northwindEfDbFile
}
................................................................................
  }

  set result
} -cleanup {
  unset -nocomplain code output error result value
} -constraints \
{eagle monoToDo defineConstant.System.Data.SQLite.INTEROP_EXTENSION_FUNCTIONS\
file_System.Data.SQLite.dll file_System.Data.SQLite.Linq.dll file_testlinq.exe\
file_northwindEF.db} -result {0 {} 0 {FURIB GALED GODOS LAZYK LINOD PRINI REGGC\
WOLZA} 0 {} 0 ERNSH 0 {} 0 {AROUT BSBEV CONSH EASTC NORTS SEVES} 0 {}}}

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

unset -nocomplain systemDataSQLiteDllFile systemDataSQLiteLinqDllFile \
    testLinqExeFile northwindEfDbFile

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

runSQLiteTestEpilogue
runTestEpilogue

Changes to Tests/tkt-8b7d179c3c.eagle.

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

#
# NOTE: Setup the variables that refer to the various files required by the
#       tests in this file.
#


set testLinqExeFile [getBuildFileName testlinq.exe]
set northwindEfDbFile [file nativename [file join [file dirname $path] \
    testlinq northwindEF.db]]

#
# NOTE: Setup the test constraints specific to the tests in this file.
#










if {![haveConstraint [appendArgs file_ [file tail $testLinqExeFile]]]} then {
  checkForFile $test_channel $testLinqExeFile
}

if {![haveConstraint [appendArgs file_ [file tail $northwindEfDbFile]]]} then {
  checkForFile $test_channel $northwindEfDbFile
}
................................................................................
      lappend result [string trim $error]
    }
  }

  set result
} -cleanup {
  unset -nocomplain code output error result pageSize
} -constraints {eagle monoToDo file_testlinq.exe file_northwindEF.db} -result \

{0 {} 0 {DRACD RATTC OLDWO GALED LILAS MAGAA ALFKI CHOPS SAVEA KOENE MAISD\
FOLKO CACTU OCEAN RANCH THECR GOURL GROSR SUPRD HUNGO ISLAT QUICK HUNGC GREAL\
LEHMS RICSU ERNSH WILMK LINOD TRAIH SIMOB OTTIK SPLIR MORGK FOLIG FURIB PRINI\
AROUT BSBEV CONSH EASTC NORTS SEVES BERGS VICTE BOLID FISSA ROMEY BLAUS BONAP\
MEREP ANATR ANTON CENTC PERIC TORTU FRANK TOMSP DUMON FRANR WARTH PARIS SPECD\
LONEP THEBI REGGC VINET WELLI HANAR QUEDE RICAR PICCO HILAA LETSS COMMI FAMIA\
QUEEN TRADH WHITC GODOS SANTG BLONP WANDK FRANS LAMAI BOTTM LAUGB LACOR LAZYK\
WOLZA VAFFE} 0 {DRACD RATTC OLDWO GALED LILAS MAGAA ALFKI CHOPS SAVEA KOENE\
MAISD FOLKO CACTU OCEAN RANCH THECR GOURL GROSR SUPRD HUNGO ISLAT QUICK HUNGC\
GREAL LEHMS RICSU ERNSH WILMK LINOD TRAIH SIMOB OTTIK SPLIR MORGK FOLIG FURIB\
PRINI AROUT BSBEV CONSH EASTC NORTS SEVES BERGS VICTE BOLID FISSA ROMEY BLAUS\
BONAP MEREP ANATR ANTON CENTC PERIC TORTU FRANK TOMSP DUMON FRANR WARTH PARIS\
SPECD LONEP THEBI REGGC VINET WELLI HANAR QUEDE RICAR PICCO HILAA LETSS COMMI\
FAMIA QUEEN TRADH WHITC GODOS SANTG BLONP WANDK FRANS LAMAI BOTTM LAUGB LACOR\







LAZYK WOLZA VAFFE}}}

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


unset -nocomplain testLinqExeFile northwindEfDbFile

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

runSQLiteTestEpilogue
runTestEpilogue







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

#
# NOTE: Setup the variables that refer to the various files required by the
#       tests in this file.
#
set systemDataSQLiteDllFile [getBuildFileName System.Data.SQLite.dll]
set systemDataSQLiteLinqDllFile [getBuildFileName System.Data.SQLite.Linq.dll]
set testLinqExeFile [getBuildFileName testlinq.exe]
set northwindEfDbFile [file nativename [file join [file dirname $path] \
    testlinq northwindEF.db]]

#
# NOTE: Setup the test constraints specific to the tests in this file.
#
if {![haveConstraint [appendArgs file_ \
    [file tail $systemDataSQLiteDllFile]]]} then {
  checkForFile $test_channel $systemDataSQLiteDllFile
}

if {![haveConstraint [appendArgs file_ \
    [file tail $systemDataSQLiteLinqDllFile]]]} then {
  checkForFile $test_channel $systemDataSQLiteLinqDllFile
}

if {![haveConstraint [appendArgs file_ [file tail $testLinqExeFile]]]} then {
  checkForFile $test_channel $testLinqExeFile
}

if {![haveConstraint [appendArgs file_ [file tail $northwindEfDbFile]]]} then {
  checkForFile $test_channel $northwindEfDbFile
}
................................................................................
      lappend result [string trim $error]
    }
  }

  set result
} -cleanup {
  unset -nocomplain code output error result pageSize
} -constraints {eagle monoToDo file_System.Data.SQLite.dll\
file_System.Data.SQLite.Linq.dll file_testlinq.exe file_northwindEF.db} \
-result {0 {} 0 {DRACD RATTC OLDWO GALED LILAS MAGAA ALFKI CHOPS SAVEA KOENE\







MAISD FOLKO CACTU OCEAN RANCH THECR GOURL GROSR SUPRD HUNGO ISLAT QUICK HUNGC\
GREAL LEHMS RICSU ERNSH WILMK LINOD TRAIH SIMOB OTTIK SPLIR MORGK FOLIG FURIB\
PRINI AROUT BSBEV CONSH EASTC NORTS SEVES BERGS VICTE BOLID FISSA ROMEY BLAUS\
BONAP MEREP ANATR ANTON CENTC PERIC TORTU FRANK TOMSP DUMON FRANR WARTH PARIS\
SPECD LONEP THEBI REGGC VINET WELLI HANAR QUEDE RICAR PICCO HILAA LETSS COMMI\
FAMIA QUEEN TRADH WHITC GODOS SANTG BLONP WANDK FRANS LAMAI BOTTM LAUGB LACOR\
LAZYK WOLZA VAFFE} 0 {DRACD RATTC OLDWO GALED LILAS MAGAA ALFKI CHOPS SAVEA\
KOENE MAISD FOLKO CACTU OCEAN RANCH THECR GOURL GROSR SUPRD HUNGO ISLAT QUICK\
HUNGC GREAL LEHMS RICSU ERNSH WILMK LINOD TRAIH SIMOB OTTIK SPLIR MORGK FOLIG\
FURIB PRINI AROUT BSBEV CONSH EASTC NORTS SEVES BERGS VICTE BOLID FISSA ROMEY\
BLAUS BONAP MEREP ANATR ANTON CENTC PERIC TORTU FRANK TOMSP DUMON FRANR WARTH\
PARIS SPECD LONEP THEBI REGGC VINET WELLI HANAR QUEDE RICAR PICCO HILAA LETSS\
COMMI FAMIA QUEEN TRADH WHITC GODOS SANTG BLONP WANDK FRANS LAMAI BOTTM LAUGB\
LACOR LAZYK WOLZA VAFFE}}}

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

unset -nocomplain systemDataSQLiteDllFile systemDataSQLiteLinqDllFile \
    testLinqExeFile northwindEfDbFile

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

runSQLiteTestEpilogue
runTestEpilogue

Added Tests/tkt-996d13cd87.eagle.













































































































































































































































































































































































































































































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###############################################################################
#
# tkt-996d13cd87.eagle --
#
# Written by Joe Mistachkin.
# Released to the public domain, use at your own risk!
#
###############################################################################

package require Eagle
package require Eagle.Library
package require Eagle.Test

runTestPrologue

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

package require System.Data.SQLite.Test
runSQLiteTestPrologue

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

runTest {test tkt-996d13cd87-1.1 {SQLiteConnectionPool stress} -setup {
  set fileName tkt-996d13cd87-1.1.db
} -body {
  set id [object invoke Interpreter.GetActive NextId]
  set dataSource [file join [getDatabaseDirectory] $fileName]

  set sql { \
    CREATE TABLE t1(x TEXT); \
    INSERT INTO t1 (x) VALUES(HEX(RANDOMBLOB(1000))); \
  }

  unset -nocomplain results errors

  set code [compileCSharpWith [subst {
    using System;
    using System.Data.SQLite;
    using System.Diagnostics;
    using System.Threading;

    namespace _Dynamic${id}
    {
      public static class Test${id}
      {
        public static int Main()
        {
          //
          // NOTE: This is the total number of exceptions caught by all the
          //       test threads.
          //
          int errors = 0;

          //
          // NOTE: This is the total number of test threads to create.
          //
          int count = 100;

          //
          // NOTE: Create a random number generator suitable for waiting a
          //       random number of milliseconds between each attempt to
          //       cause the race condition on a given thread.
          //
          Random random = new Random();

          //
          // NOTE: Create the event that will be used to synchronize all the
          //       created threads so that they start doing their actual test
          //       "work" at approximately the same time.
          //
          using (ManualResetEvent goEvent = new ManualResetEvent(false))
          {
            //
            // NOTE: Create a (reusable) delegate that will contain the code
            //       that half the created threads are to execute.  This code
            //       will repeatedly create, open, and close a single database
            //       connection with pool enabled.
            //
            ThreadStart threadStart1 = delegate()
            {
              try
              {
                //
                // NOTE: Wait forever for the "GO" signal so that all threads
                //       can start working at approximately the same time.
                //
                goEvent.WaitOne();

                //
                // NOTE: Repeatedly try to create, open, and close a pooled
                //       database connection and then wait a random number of
                //       milliseconds before doing it again.
                //
                Thread.Sleep(random.Next(0, 500));

                SQLiteConnection connection = new SQLiteConnection(
                    "Data Source=${dataSource};Pooling=True;");

                connection.Open();

                using (SQLiteCommand command = new SQLiteCommand("${sql}",
                    connection))
                {
                  command.ExecuteNonQuery();
                }

                connection.Close();
                connection = null;
              }
              catch (Exception e)
              {
                Interlocked.Increment(ref errors);
                Trace.WriteLine(e);
              }
            };

            //
            // NOTE: Create a (reusable) delegate that will contain the code
            //       that half the created threads are to execute.  This code
            //       will repeatedly force a full garbage collection.
            //
            ThreadStart threadStart2 = delegate()
            {
              try
              {
                //
                // NOTE: Wait forever for the "GO" signal so that all threads
                //       can start working at approximately the same time.
                //
                goEvent.WaitOne();

                //
                // NOTE: Wait a random number of milliseconds before forcing a
                //       full garbage collection.
                //
                Thread.Sleep(random.Next(0, 1000));
                GC.GetTotalMemory(true);
              }
              catch (Exception e)
              {
                Interlocked.Increment(ref errors);
                Trace.WriteLine(e);
              }
            };

            //
            // NOTE: Create the array of thread objects.
            //
            Thread\[\] thread = new Thread\[count\];

            //
            // NOTE: Create each of the test threads with a suitable stack
            //       size.  We must specify a stack size here because the
            //       default one for the process would be the same as the
            //       parent executable (the Eagle shell), which is 16MB,
            //       too large to be useful.
            //
            for (int index = 0; index < count; index++)
            {
              //
              // NOTE: Figure out what kind of thread to create (i.e. one
              //       that uses a connection or one that calls the GC).
              //
              ThreadStart threadStart;

              if (index == 0)
                threadStart = threadStart2;
              else
                threadStart = threadStart1;

              thread\[index\] = new Thread(threadStart, 1048576);

              //
              // NOTE: Name each thread for a better debugging experience.
              //
              thread\[index\].Name = String.Format(
                  "[file rootname ${fileName}] #{0}", index);
            }

            //
            // NOTE: Start all the threads now.  They should not actually do
            //       any of the test "work" until we signal the event.
            //
            for (int index = 0; index < count; index++)
              thread\[index\].Start();

            //
            // NOTE: Send the signal that all threads should start doing
            //       their test "work" now.
            //
            goEvent.Set(); /* GO */

            //
            // NOTE: Wait forever for each thread to finish its test "work"
            //       and then die.
            //
            for (int index = 0; index < count; index++)
              thread\[index\].Join();
          }

          //
          // NOTE: Return the total number of exceptions caught by the test
          //       threads.
          //
          return errors;
        }
      }
    }
  }] true true true results errors System.Data.SQLite.dll]

  list $code $results \
      [expr {[info exists errors] ? $errors : ""}] \
      [expr {$code eq "Ok" ? [catch {
        object invoke _Dynamic${id}.Test${id} Main
      } result] : [set result ""]}] $result
} -cleanup {
  object invoke System.Data.SQLite.SQLiteConnection ClearAllPools
  object invoke GC GetTotalMemory true

  cleanupDb $fileName

  unset -nocomplain result results errors code sql dataSource id db fileName
} -constraints \
{eagle monoBug28 command.sql compile.DATA SQLite System.Data.SQLite} -match \
regexp -result {^Ok System#CodeDom#Compiler#CompilerResults#\d+ \{\} 0 \d+$}}

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

runSQLiteTestEpilogue
runTestEpilogue

Changes to Tests/tkt-ccfa69fc32.eagle.

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

#
# NOTE: Setup the variables that refer to the various files required by the
#       tests in this file.
#


set testLinqExeFile [getBuildFileName testlinq.exe]
set northwindEfDbFile [file nativename [file join [file dirname $path] \
    testlinq northwindEF.db]]

#
# NOTE: Setup the test constraints specific to the tests in this file.
#










if {![haveConstraint [appendArgs file_ [file tail $testLinqExeFile]]]} then {
  checkForFile $test_channel $testLinqExeFile
}

if {![haveConstraint [appendArgs file_ [file tail $northwindEfDbFile]]]} then {
  checkForFile $test_channel $northwindEfDbFile
}
................................................................................
      lappend result [string trim $error]
    }
  }

  set result
} -cleanup {
  unset -nocomplain code output error result add

} -constraints {eagle monoToDo file_testlinq.exe file_northwindEF.db} -match \
glob -result {0 {1581 1730 1833 2116 2139} 0 {System.Data.UpdateException: *\
---> System.Data.SQLite.SQLiteException: Abort due to constraint violation
PRIMARY KEY must be unique
*} 0 {1 2 3 4 5 6 7 8 9 10 1576 1577 1578 1579 1580 1581 1730 1833 2116 2139}}}

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


unset -nocomplain testLinqExeFile northwindEfDbFile

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

runSQLiteTestEpilogue
runTestEpilogue







>
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>
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>







 







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

#
# NOTE: Setup the variables that refer to the various files required by the
#       tests in this file.
#
set systemDataSQLiteDllFile [getBuildFileName System.Data.SQLite.dll]
set systemDataSQLiteLinqDllFile [getBuildFileName System.Data.SQLite.Linq.dll]
set testLinqExeFile [getBuildFileName testlinq.exe]
set northwindEfDbFile [file nativename [file join [file dirname $path] \
    testlinq northwindEF.db]]

#
# NOTE: Setup the test constraints specific to the tests in this file.
#
if {![haveConstraint [appendArgs file_ \
    [file tail $systemDataSQLiteDllFile]]]} then {
  checkForFile $test_channel $systemDataSQLiteDllFile
}

if {![haveConstraint [appendArgs file_ \
    [file tail $systemDataSQLiteLinqDllFile]]]} then {
  checkForFile $test_channel $systemDataSQLiteLinqDllFile
}

if {![haveConstraint [appendArgs file_ [file tail $testLinqExeFile]]]} then {
  checkForFile $test_channel $testLinqExeFile
}

if {![haveConstraint [appendArgs file_ [file tail $northwindEfDbFile]]]} then {
  checkForFile $test_channel $northwindEfDbFile
}
................................................................................
      lappend result [string trim $error]
    }
  }

  set result
} -cleanup {
  unset -nocomplain code output error result add
} -constraints {eagle monoToDo file_System.Data.SQLite.dll\
file_System.Data.SQLite.Linq.dll file_testlinq.exe file_northwindEF.db} -match \
glob -result {0 {1581 1730 1833 2116 2139} 0 {System.Data.UpdateException: *\
---> System.Data.SQLite.SQLiteException: Abort due to constraint violation
PRIMARY KEY must be unique
*} 0 {1 2 3 4 5 6 7 8 9 10 1576 1577 1578 1579 1580 1581 1730 1833 2116 2139}}}

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

unset -nocomplain systemDataSQLiteDllFile systemDataSQLiteLinqDllFile \
    testLinqExeFile northwindEfDbFile

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

runSQLiteTestEpilogue
runTestEpilogue