System.Data.SQLite
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Overview
Comment:Move some things out of the UnsafeNativeMethods class. There are several reasons: 1) easier to maintain. 2) avoiding static call graph issues with CriticalHandle. 3) better separation of cross-platform and platform-specific code.
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SHA1: d3e312825a791a3a681b7d458f017f3f7e1dbcbb
User & Date: mistachkin 2016-03-23 23:35:48
Context
2016-03-23
23:40
Compilation fix for the RELEASE build configuration. check-in: 024679a92b user: mistachkin tags: trunk
23:35
Move some things out of the UnsafeNativeMethods class. There are several reasons: 1) easier to maintain. 2) avoiding static call graph issues with CriticalHandle. 3) better separation of cross-platform and platform-specific code. check-in: d3e312825a user: mistachkin tags: trunk
23:35
Skip running the Thread.Abort() related test on Mono. check-in: 9bcd92c26e user: mistachkin tags: trunk
Changes
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Changes to System.Data.SQLite/LINQ/SQLiteFactory_Linq.cs.

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        string version =
#if NET_40 || NET_45 || NET_451 || NET_452 || NET_46 || NET_461
            "4.0.0.0";
#else
            "3.5.0.0";
#endif

        _dbProviderServicesType = Type.GetType(UnsafeNativeMethods.StringFormat(CultureInfo.InvariantCulture, "System.Data.Common.DbProviderServices, System.Data.Entity, Version={0}, Culture=neutral, PublicKeyToken=b77a5c561934e089", version), false);
    }

    /// <summary>
    /// Will provide a <see cref="IServiceProvider" /> object in .NET 3.5.
    /// </summary>
    /// <param name="serviceType">The class or interface type to query for.</param>
    /// <returns></returns>
................................................................................
            string typeName = UnsafeNativeMethods.GetSettingValue(
                "TypeName_SQLiteProviderServices", null);

            Version version = this.GetType().Assembly.GetName().Version;

            if (typeName != null)
            {
                typeName = UnsafeNativeMethods.StringFormat(
                    CultureInfo.InvariantCulture, typeName, version);
            }
            else
            {
                typeName = UnsafeNativeMethods.StringFormat(
                    CultureInfo.InvariantCulture, DefaultTypeName, version);
            }

            Type type = Type.GetType(typeName, false);

            if (type != null)
            {







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        string version =
#if NET_40 || NET_45 || NET_451 || NET_452 || NET_46 || NET_461
            "4.0.0.0";
#else
            "3.5.0.0";
#endif

        _dbProviderServicesType = Type.GetType(HelperMethods.StringFormat(CultureInfo.InvariantCulture, "System.Data.Common.DbProviderServices, System.Data.Entity, Version={0}, Culture=neutral, PublicKeyToken=b77a5c561934e089", version), false);
    }

    /// <summary>
    /// Will provide a <see cref="IServiceProvider" /> object in .NET 3.5.
    /// </summary>
    /// <param name="serviceType">The class or interface type to query for.</param>
    /// <returns></returns>
................................................................................
            string typeName = UnsafeNativeMethods.GetSettingValue(
                "TypeName_SQLiteProviderServices", null);

            Version version = this.GetType().Assembly.GetName().Version;

            if (typeName != null)
            {
                typeName = HelperMethods.StringFormat(
                    CultureInfo.InvariantCulture, typeName, version);
            }
            else
            {
                typeName = HelperMethods.StringFormat(
                    CultureInfo.InvariantCulture, DefaultTypeName, version);
            }

            Type type = Type.GetType(typeName, false);

            if (type != null)
            {

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

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              if (SQLiteBase.ResetConnection(_sql, _sql, canThrow))
              {
                  if (unbindFunctions)
                  {
                      if (SQLiteFunction.UnbindAllFunctions(this, _flags, false))
                      {
#if !NET_COMPACT_20 && TRACE_CONNECTION
                          Trace.WriteLine(UnsafeNativeMethods.StringFormat(
                              CultureInfo.CurrentCulture,
                              "UnbindFunctions (Pool) Success: {0}",
                              HandleToString()));
#endif
                      }
                      else
                      {
#if !NET_COMPACT_20 && TRACE_CONNECTION
                          Trace.WriteLine(UnsafeNativeMethods.StringFormat(
                              CultureInfo.CurrentCulture,
                              "UnbindFunctions (Pool) Failure: {0}",
                              HandleToString()));
#endif
                      }
                  }

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

                  SQLiteConnection.OnChanged(null, new ConnectionEventArgs(
                      SQLiteConnectionEventType.ClosedToPool, null, null,
                      null, null, _sql, _fileName, new object[] {
                      typeof(SQLite3), canThrow, _fileName, _poolVersion }));

#if !NET_COMPACT_20 && TRACE_CONNECTION
                  Trace.WriteLine(UnsafeNativeMethods.StringFormat(
                      CultureInfo.CurrentCulture,
                      "Close (Pool) Success: {0}",
                      HandleToString()));
#endif
              }
#if !NET_COMPACT_20 && TRACE_CONNECTION
              else
              {
                  Trace.WriteLine(UnsafeNativeMethods.StringFormat(
                      CultureInfo.CurrentCulture,
                      "Close (Pool) Failure: {0}",
                      HandleToString()));
              }
#endif
          }
          else
          {
              if (unbindFunctions)
              {
                  if (SQLiteFunction.UnbindAllFunctions(this, _flags, false))
                  {
#if !NET_COMPACT_20 && TRACE_CONNECTION
                      Trace.WriteLine(UnsafeNativeMethods.StringFormat(
                          CultureInfo.CurrentCulture,
                          "UnbindFunctions Success: {0}",
                          HandleToString()));
#endif
                  }
                  else
                  {
#if !NET_COMPACT_20 && TRACE_CONNECTION
                      Trace.WriteLine(UnsafeNativeMethods.StringFormat(
                          CultureInfo.CurrentCulture,
                          "UnbindFunctions Failure: {0}",
                          HandleToString()));
#endif
                  }
              }

................................................................................
        SQLiteConnection.OnChanged(null, new ConnectionEventArgs(
            SQLiteConnectionEventType.OpenedFromPool, null, null,
            null, null, _sql, strFilename, new object[] {
            typeof(SQLite3), strFilename, vfsName, connectionFlags,
            openFlags, maxPoolSize, usePool, _poolVersion }));

#if !NET_COMPACT_20 && TRACE_CONNECTION
        Trace.WriteLine(UnsafeNativeMethods.StringFormat(
            CultureInfo.CurrentCulture,
            "Open (Pool): {0}", HandleToString()));
#endif
      }

      if (_sql == null)
      {
................................................................................
          else
#endif
          {
            n = UnsafeNativeMethods.sqlite3_open_v2(ToUTF8(strFilename), ref db, openFlags, ToUTF8(vfsName));
          }

#if !NET_COMPACT_20 && TRACE_CONNECTION
          Trace.WriteLine(UnsafeNativeMethods.StringFormat(
              CultureInfo.CurrentCulture,
              "Open: {0}", db));
#endif

          if (n != SQLiteErrorCode.Ok) throw new SQLiteException(n, null);
          _sql = new SQLiteConnectionHandle(db, true);
        }
................................................................................
        //       data classes.
        //
        string baseSchemaName = (cnn != null) ? cnn._baseSchemaName : null;

        if (!String.IsNullOrEmpty(baseSchemaName))
        {
          strSql = strSql.Replace(
              UnsafeNativeMethods.StringFormat(CultureInfo.InvariantCulture,
              "[{0}].", baseSchemaName), String.Empty);

          strSql = strSql.Replace(
              UnsafeNativeMethods.StringFormat(CultureInfo.InvariantCulture,
              "{0}.", baseSchemaName), String.Empty);
        }
      }

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

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

      IntPtr stmt = IntPtr.Zero;
      IntPtr ptr = IntPtr.Zero;
      int len = 0;
      SQLiteErrorCode n = SQLiteErrorCode.Schema;
................................................................................
#else
            n = UnsafeNativeMethods.sqlite3_prepare(_sql, psql, b.Length - 1, ref stmt, ref ptr);
#endif
            len = -1;
#endif

#if !NET_COMPACT_20 && TRACE_STATEMENT
            Trace.WriteLine(UnsafeNativeMethods.StringFormat(
                CultureInfo.CurrentCulture,
                "Prepare ({0}): {1}", n, stmt));
#endif

            if ((n == SQLiteErrorCode.Ok) && (stmt != IntPtr.Zero))
            {
              if (statementHandle != null) statementHandle.Dispose();
................................................................................
      }
    }

    protected static void LogBind(SQLiteStatementHandle handle, int index)
    {
        IntPtr handleIntPtr = handle;

        SQLiteLog.LogMessage(UnsafeNativeMethods.StringFormat(
            CultureInfo.CurrentCulture,
            "Binding statement {0} paramter #{1} as NULL...",
            handleIntPtr, index));
    }

    protected static void LogBind(SQLiteStatementHandle handle, int index, ValueType value)
    {
        IntPtr handleIntPtr = handle;

        SQLiteLog.LogMessage(UnsafeNativeMethods.StringFormat(
            CultureInfo.CurrentCulture,
            "Binding statement {0} paramter #{1} as type {2} with value {{{3}}}...",
            handleIntPtr, index, value.GetType(), value));
    }

    private static string FormatDateTime(DateTime value)
    {
................................................................................
        return result.ToString();
    }

    protected static void LogBind(SQLiteStatementHandle handle, int index, DateTime value)
    {
        IntPtr handleIntPtr = handle;

        SQLiteLog.LogMessage(UnsafeNativeMethods.StringFormat(
            CultureInfo.CurrentCulture,
            "Binding statement {0} paramter #{1} as type {2} with value {{{3}}}...",
            handleIntPtr, index, typeof(DateTime), FormatDateTime(value)));
    }

    protected static void LogBind(SQLiteStatementHandle handle, int index, string value)
    {
        IntPtr handleIntPtr = handle;

        SQLiteLog.LogMessage(UnsafeNativeMethods.StringFormat(
            CultureInfo.CurrentCulture,
            "Binding statement {0} paramter #{1} as type {2} with value {{{3}}}...",
            handleIntPtr, index, typeof(String), (value != null) ? value : "<null>"));
    }

    private static string ToHexadecimalString(
        byte[] array
................................................................................
        return result.ToString();
    }

    protected static void LogBind(SQLiteStatementHandle handle, int index, byte[] value)
    {
        IntPtr handleIntPtr = handle;

        SQLiteLog.LogMessage(UnsafeNativeMethods.StringFormat(
            CultureInfo.CurrentCulture,
            "Binding statement {0} paramter #{1} as type {2} with value {{{3}}}...",
            handleIntPtr, index, typeof(Byte[]), (value != null) ? ToHexadecimalString(value) : "<null>"));
    }

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

        if ((flags & SQLiteConnectionFlags.LogBind) == SQLiteConnectionFlags.LogBind)
        {
            IntPtr handleIntPtr = handle;

            SQLiteLog.LogMessage(UnsafeNativeMethods.StringFormat(
                CultureInfo.CurrentCulture,
                "Statement {0} paramter count is {1}.",
                handleIntPtr, value));
        }

        return value;
    }
................................................................................
        name = UTF8ToString(UnsafeNativeMethods.sqlite3_bind_parameter_name(handle, index), -1);
#endif

        if ((flags & SQLiteConnectionFlags.LogBind) == SQLiteConnectionFlags.LogBind)
        {
            IntPtr handleIntPtr = handle;

            SQLiteLog.LogMessage(UnsafeNativeMethods.StringFormat(
                CultureInfo.CurrentCulture,
                "Statement {0} paramter #{1} name is {{{2}}}.",
                handleIntPtr, index, name));
        }

        return name;
    }
................................................................................
        SQLiteStatementHandle handle = stmt._sqlite_stmt;
        int index = UnsafeNativeMethods.sqlite3_bind_parameter_index(handle, ToUTF8(paramName));

        if ((flags & SQLiteConnectionFlags.LogBind) == SQLiteConnectionFlags.LogBind)
        {
            IntPtr handleIntPtr = handle;

            SQLiteLog.LogMessage(UnsafeNativeMethods.StringFormat(
                CultureInfo.CurrentCulture,
                "Statement {0} paramter index of name {{{1}}} is #{2}.",
                handleIntPtr, paramName, index));
        }

        return index;
    }
................................................................................
    private string GetShimExtensionFileName(
        ref bool isLoadNeeded /* out */
        )
    {
        if (_shimIsLoadNeeded != null)
            isLoadNeeded = (bool)_shimIsLoadNeeded;
        else
            isLoadNeeded = UnsafeNativeMethods.IsWindows(); /* COMPAT */

        string fileName = _shimExtensionFileName;

        if (fileName != null)
            return fileName;

#if (SQLITE_STANDARD || USE_INTEROP_DLL || PLATFORM_COMPACTFRAMEWORK) && PRELOAD_NATIVE_LIBRARY
................................................................................
            _modules.Add(module.Name, module);

            if (_usePool)
            {
                _usePool = false;

#if !NET_COMPACT_20 && TRACE_CONNECTION
                Trace.WriteLine(UnsafeNativeMethods.StringFormat(
                    CultureInfo.CurrentCulture,
                    "CreateModule (Pool) Disabled: {0}",
                    HandleToString()));
#endif
            }
        }
        else
................................................................................
      if (n != SQLiteErrorCode.Ok) throw new SQLiteException(n, GetLastError());

      if (_usePool)
      {
        _usePool = false;

#if !NET_COMPACT_20 && TRACE_CONNECTION
        Trace.WriteLine(UnsafeNativeMethods.StringFormat(
          CultureInfo.CurrentCulture,
          "SetPassword (Pool) Disabled: {0}",
          HandleToString()));
#endif
      }
    }

................................................................................
      if (n != SQLiteErrorCode.Ok) throw new SQLiteException(n, GetLastError());

      if (_usePool)
      {
        _usePool = false;

#if !NET_COMPACT_20 && TRACE_CONNECTION
        Trace.WriteLine(UnsafeNativeMethods.StringFormat(
          CultureInfo.CurrentCulture,
          "ChangePassword (Pool) Disabled: {0}",
          HandleToString()));
#endif
      }
    }
#endif







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              if (SQLiteBase.ResetConnection(_sql, _sql, canThrow))
              {
                  if (unbindFunctions)
                  {
                      if (SQLiteFunction.UnbindAllFunctions(this, _flags, false))
                      {
#if !NET_COMPACT_20 && TRACE_CONNECTION
                          Trace.WriteLine(HelperMethods.StringFormat(
                              CultureInfo.CurrentCulture,
                              "UnbindFunctions (Pool) Success: {0}",
                              HandleToString()));
#endif
                      }
                      else
                      {
#if !NET_COMPACT_20 && TRACE_CONNECTION
                          Trace.WriteLine(HelperMethods.StringFormat(
                              CultureInfo.CurrentCulture,
                              "UnbindFunctions (Pool) Failure: {0}",
                              HandleToString()));
#endif
                      }
                  }

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

                  SQLiteConnection.OnChanged(null, new ConnectionEventArgs(
                      SQLiteConnectionEventType.ClosedToPool, null, null,
                      null, null, _sql, _fileName, new object[] {
                      typeof(SQLite3), canThrow, _fileName, _poolVersion }));

#if !NET_COMPACT_20 && TRACE_CONNECTION
                  Trace.WriteLine(HelperMethods.StringFormat(
                      CultureInfo.CurrentCulture,
                      "Close (Pool) Success: {0}",
                      HandleToString()));
#endif
              }
#if !NET_COMPACT_20 && TRACE_CONNECTION
              else
              {
                  Trace.WriteLine(HelperMethods.StringFormat(
                      CultureInfo.CurrentCulture,
                      "Close (Pool) Failure: {0}",
                      HandleToString()));
              }
#endif
          }
          else
          {
              if (unbindFunctions)
              {
                  if (SQLiteFunction.UnbindAllFunctions(this, _flags, false))
                  {
#if !NET_COMPACT_20 && TRACE_CONNECTION
                      Trace.WriteLine(HelperMethods.StringFormat(
                          CultureInfo.CurrentCulture,
                          "UnbindFunctions Success: {0}",
                          HandleToString()));
#endif
                  }
                  else
                  {
#if !NET_COMPACT_20 && TRACE_CONNECTION
                      Trace.WriteLine(HelperMethods.StringFormat(
                          CultureInfo.CurrentCulture,
                          "UnbindFunctions Failure: {0}",
                          HandleToString()));
#endif
                  }
              }

................................................................................
        SQLiteConnection.OnChanged(null, new ConnectionEventArgs(
            SQLiteConnectionEventType.OpenedFromPool, null, null,
            null, null, _sql, strFilename, new object[] {
            typeof(SQLite3), strFilename, vfsName, connectionFlags,
            openFlags, maxPoolSize, usePool, _poolVersion }));

#if !NET_COMPACT_20 && TRACE_CONNECTION
        Trace.WriteLine(HelperMethods.StringFormat(
            CultureInfo.CurrentCulture,
            "Open (Pool): {0}", HandleToString()));
#endif
      }

      if (_sql == null)
      {
................................................................................
          else
#endif
          {
            n = UnsafeNativeMethods.sqlite3_open_v2(ToUTF8(strFilename), ref db, openFlags, ToUTF8(vfsName));
          }

#if !NET_COMPACT_20 && TRACE_CONNECTION
          Trace.WriteLine(HelperMethods.StringFormat(
              CultureInfo.CurrentCulture,
              "Open: {0}", db));
#endif

          if (n != SQLiteErrorCode.Ok) throw new SQLiteException(n, null);
          _sql = new SQLiteConnectionHandle(db, true);
        }
................................................................................
        //       data classes.
        //
        string baseSchemaName = (cnn != null) ? cnn._baseSchemaName : null;

        if (!String.IsNullOrEmpty(baseSchemaName))
        {
          strSql = strSql.Replace(
              HelperMethods.StringFormat(CultureInfo.InvariantCulture,
              "[{0}].", baseSchemaName), String.Empty);

          strSql = strSql.Replace(
              HelperMethods.StringFormat(CultureInfo.InvariantCulture,
              "{0}.", baseSchemaName), String.Empty);
        }
      }

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

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

      IntPtr stmt = IntPtr.Zero;
      IntPtr ptr = IntPtr.Zero;
      int len = 0;
      SQLiteErrorCode n = SQLiteErrorCode.Schema;
................................................................................
#else
            n = UnsafeNativeMethods.sqlite3_prepare(_sql, psql, b.Length - 1, ref stmt, ref ptr);
#endif
            len = -1;
#endif

#if !NET_COMPACT_20 && TRACE_STATEMENT
            Trace.WriteLine(HelperMethods.StringFormat(
                CultureInfo.CurrentCulture,
                "Prepare ({0}): {1}", n, stmt));
#endif

            if ((n == SQLiteErrorCode.Ok) && (stmt != IntPtr.Zero))
            {
              if (statementHandle != null) statementHandle.Dispose();
................................................................................
      }
    }

    protected static void LogBind(SQLiteStatementHandle handle, int index)
    {
        IntPtr handleIntPtr = handle;

        SQLiteLog.LogMessage(HelperMethods.StringFormat(
            CultureInfo.CurrentCulture,
            "Binding statement {0} paramter #{1} as NULL...",
            handleIntPtr, index));
    }

    protected static void LogBind(SQLiteStatementHandle handle, int index, ValueType value)
    {
        IntPtr handleIntPtr = handle;

        SQLiteLog.LogMessage(HelperMethods.StringFormat(
            CultureInfo.CurrentCulture,
            "Binding statement {0} paramter #{1} as type {2} with value {{{3}}}...",
            handleIntPtr, index, value.GetType(), value));
    }

    private static string FormatDateTime(DateTime value)
    {
................................................................................
        return result.ToString();
    }

    protected static void LogBind(SQLiteStatementHandle handle, int index, DateTime value)
    {
        IntPtr handleIntPtr = handle;

        SQLiteLog.LogMessage(HelperMethods.StringFormat(
            CultureInfo.CurrentCulture,
            "Binding statement {0} paramter #{1} as type {2} with value {{{3}}}...",
            handleIntPtr, index, typeof(DateTime), FormatDateTime(value)));
    }

    protected static void LogBind(SQLiteStatementHandle handle, int index, string value)
    {
        IntPtr handleIntPtr = handle;

        SQLiteLog.LogMessage(HelperMethods.StringFormat(
            CultureInfo.CurrentCulture,
            "Binding statement {0} paramter #{1} as type {2} with value {{{3}}}...",
            handleIntPtr, index, typeof(String), (value != null) ? value : "<null>"));
    }

    private static string ToHexadecimalString(
        byte[] array
................................................................................
        return result.ToString();
    }

    protected static void LogBind(SQLiteStatementHandle handle, int index, byte[] value)
    {
        IntPtr handleIntPtr = handle;

        SQLiteLog.LogMessage(HelperMethods.StringFormat(
            CultureInfo.CurrentCulture,
            "Binding statement {0} paramter #{1} as type {2} with value {{{3}}}...",
            handleIntPtr, index, typeof(Byte[]), (value != null) ? ToHexadecimalString(value) : "<null>"));
    }

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

        if ((flags & SQLiteConnectionFlags.LogBind) == SQLiteConnectionFlags.LogBind)
        {
            IntPtr handleIntPtr = handle;

            SQLiteLog.LogMessage(HelperMethods.StringFormat(
                CultureInfo.CurrentCulture,
                "Statement {0} paramter count is {1}.",
                handleIntPtr, value));
        }

        return value;
    }
................................................................................
        name = UTF8ToString(UnsafeNativeMethods.sqlite3_bind_parameter_name(handle, index), -1);
#endif

        if ((flags & SQLiteConnectionFlags.LogBind) == SQLiteConnectionFlags.LogBind)
        {
            IntPtr handleIntPtr = handle;

            SQLiteLog.LogMessage(HelperMethods.StringFormat(
                CultureInfo.CurrentCulture,
                "Statement {0} paramter #{1} name is {{{2}}}.",
                handleIntPtr, index, name));
        }

        return name;
    }
................................................................................
        SQLiteStatementHandle handle = stmt._sqlite_stmt;
        int index = UnsafeNativeMethods.sqlite3_bind_parameter_index(handle, ToUTF8(paramName));

        if ((flags & SQLiteConnectionFlags.LogBind) == SQLiteConnectionFlags.LogBind)
        {
            IntPtr handleIntPtr = handle;

            SQLiteLog.LogMessage(HelperMethods.StringFormat(
                CultureInfo.CurrentCulture,
                "Statement {0} paramter index of name {{{1}}} is #{2}.",
                handleIntPtr, paramName, index));
        }

        return index;
    }
................................................................................
    private string GetShimExtensionFileName(
        ref bool isLoadNeeded /* out */
        )
    {
        if (_shimIsLoadNeeded != null)
            isLoadNeeded = (bool)_shimIsLoadNeeded;
        else
            isLoadNeeded = HelperMethods.IsWindows(); /* COMPAT */

        string fileName = _shimExtensionFileName;

        if (fileName != null)
            return fileName;

#if (SQLITE_STANDARD || USE_INTEROP_DLL || PLATFORM_COMPACTFRAMEWORK) && PRELOAD_NATIVE_LIBRARY
................................................................................
            _modules.Add(module.Name, module);

            if (_usePool)
            {
                _usePool = false;

#if !NET_COMPACT_20 && TRACE_CONNECTION
                Trace.WriteLine(HelperMethods.StringFormat(
                    CultureInfo.CurrentCulture,
                    "CreateModule (Pool) Disabled: {0}",
                    HandleToString()));
#endif
            }
        }
        else
................................................................................
      if (n != SQLiteErrorCode.Ok) throw new SQLiteException(n, GetLastError());

      if (_usePool)
      {
        _usePool = false;

#if !NET_COMPACT_20 && TRACE_CONNECTION
        Trace.WriteLine(HelperMethods.StringFormat(
          CultureInfo.CurrentCulture,
          "SetPassword (Pool) Disabled: {0}",
          HandleToString()));
#endif
      }
    }

................................................................................
      if (n != SQLiteErrorCode.Ok) throw new SQLiteException(n, GetLastError());

      if (_usePool)
      {
        _usePool = false;

#if !NET_COMPACT_20 && TRACE_CONNECTION
        Trace.WriteLine(HelperMethods.StringFormat(
          CultureInfo.CurrentCulture,
          "ChangePassword (Pool) Disabled: {0}",
          HandleToString()));
#endif
      }
    }
#endif

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

159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
...
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
            SQLiteConnectionEventType.OpenedFromPool, null, null,
            null, null, _sql, strFilename, new object[] {
            typeof(SQLite3_UTF16), strFilename, vfsName,
            connectionFlags, openFlags, maxPoolSize, usePool,
            _poolVersion }));

#if !NET_COMPACT_20 && TRACE_CONNECTION
        Trace.WriteLine(UnsafeNativeMethods.StringFormat(
            CultureInfo.CurrentCulture,
            "Open16 (Pool): {0}",
            HandleToString()));
#endif
      }

      if (_sql == null)
................................................................................
            //       a flags parameter.
            //
            if (((openFlags & SQLiteOpenFlagsEnum.Create) != SQLiteOpenFlagsEnum.Create) && !File.Exists(strFilename))
              throw new SQLiteException(SQLiteErrorCode.CantOpen, strFilename);

            if (vfsName != null)
            {
              throw new SQLiteException(SQLiteErrorCode.CantOpen, UnsafeNativeMethods.StringFormat(
                CultureInfo.CurrentCulture,
                "cannot open using UTF-16 and VFS \"{0}\": need interop assembly", vfsName));
            }

            n = UnsafeNativeMethods.sqlite3_open16(strFilename, ref db);
          }

#if !NET_COMPACT_20 && TRACE_CONNECTION
          Trace.WriteLine(UnsafeNativeMethods.StringFormat(
              CultureInfo.CurrentCulture,
              "Open16: {0}", db));
#endif

          if (n != SQLiteErrorCode.Ok) throw new SQLiteException(n, null);
          _sql = new SQLiteConnectionHandle(db, true);
        }







|







 







|








|







159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
...
198
199
200
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202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
            SQLiteConnectionEventType.OpenedFromPool, null, null,
            null, null, _sql, strFilename, new object[] {
            typeof(SQLite3_UTF16), strFilename, vfsName,
            connectionFlags, openFlags, maxPoolSize, usePool,
            _poolVersion }));

#if !NET_COMPACT_20 && TRACE_CONNECTION
        Trace.WriteLine(HelperMethods.StringFormat(
            CultureInfo.CurrentCulture,
            "Open16 (Pool): {0}",
            HandleToString()));
#endif
      }

      if (_sql == null)
................................................................................
            //       a flags parameter.
            //
            if (((openFlags & SQLiteOpenFlagsEnum.Create) != SQLiteOpenFlagsEnum.Create) && !File.Exists(strFilename))
              throw new SQLiteException(SQLiteErrorCode.CantOpen, strFilename);

            if (vfsName != null)
            {
              throw new SQLiteException(SQLiteErrorCode.CantOpen, HelperMethods.StringFormat(
                CultureInfo.CurrentCulture,
                "cannot open using UTF-16 and VFS \"{0}\": need interop assembly", vfsName));
            }

            n = UnsafeNativeMethods.sqlite3_open16(strFilename, ref db);
          }

#if !NET_COMPACT_20 && TRACE_CONNECTION
          Trace.WriteLine(HelperMethods.StringFormat(
              CultureInfo.CurrentCulture,
              "Open16: {0}", db));
#endif

          if (n != SQLiteErrorCode.Ok) throw new SQLiteException(n, null);
          _sql = new SQLiteConnectionHandle(db, true);
        }

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

104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
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128
    /// <summary>
    /// Returns a valid named parameter
    /// </summary>
    /// <param name="parameterName">The name of the parameter</param>
    /// <returns>Error</returns>
    protected override string GetParameterName(string parameterName)
    {
      return UnsafeNativeMethods.StringFormat(CultureInfo.InvariantCulture, "@{0}", parameterName);
    }

    /// <summary>
    /// Returns a named parameter for the given ordinal
    /// </summary>
    /// <param name="parameterOrdinal">The i of the parameter</param>
    /// <returns>Error</returns>
    protected override string GetParameterName(int parameterOrdinal)
    {
      return UnsafeNativeMethods.StringFormat(CultureInfo.InvariantCulture, "@param{0}", parameterOrdinal);
    }

    /// <summary>
    /// Returns a placeholder character for the specified parameter i.
    /// </summary>
    /// <param name="parameterOrdinal">The index of the parameter to provide a placeholder for</param>
    /// <returns>Returns a named parameter</returns>







|









|







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    /// <summary>
    /// Returns a valid named parameter
    /// </summary>
    /// <param name="parameterName">The name of the parameter</param>
    /// <returns>Error</returns>
    protected override string GetParameterName(string parameterName)
    {
      return HelperMethods.StringFormat(CultureInfo.InvariantCulture, "@{0}", parameterName);
    }

    /// <summary>
    /// Returns a named parameter for the given ordinal
    /// </summary>
    /// <param name="parameterOrdinal">The i of the parameter</param>
    /// <returns>Error</returns>
    protected override string GetParameterName(int parameterOrdinal)
    {
      return HelperMethods.StringFormat(CultureInfo.InvariantCulture, "@param{0}", parameterOrdinal);
    }

    /// <summary>
    /// Returns a placeholder character for the specified parameter i.
    /// </summary>
    /// <param name="parameterOrdinal">The index of the parameter to provide a placeholder for</param>
    /// <returns>Returns a named parameter</returns>

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

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....
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....
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5439
          {
            string str = row[0].ToString();
            if (String.Compare(str, "main", StringComparison.OrdinalIgnoreCase) != 0
              && String.Compare(str, "temp", StringComparison.OrdinalIgnoreCase) != 0)
            {
              using (SQLiteCommand cmd = CreateCommand())
              {
                cmd.CommandText = UnsafeNativeMethods.StringFormat(CultureInfo.InvariantCulture, "ATTACH DATABASE '{0}' AS [{1}]", row[1], row[0]);
                cmd.ExecuteNonQuery();
              }
            }
          }
        }
      }
    }
................................................................................
                    break;
            }
        }
        catch (Exception e)
        {
            if ((_flags & SQLiteConnectionFlags.LogBackup) == SQLiteConnectionFlags.LogBackup)
            {
                SQLiteLog.LogMessage(UnsafeNativeMethods.StringFormat(
                    CultureInfo.CurrentCulture,
                    "Caught exception while backing up database: {0}", e));
            }

            throw;
        }
        finally
................................................................................
    protected override void Dispose(bool disposing)
    {
#if !NET_COMPACT_20 && TRACE_WARNING
        if ((_flags & SQLiteConnectionFlags.TraceWarning) == SQLiteConnectionFlags.TraceWarning)
        {
            if (_noDispose)
            {
                System.Diagnostics.Trace.WriteLine(UnsafeNativeMethods.StringFormat(
                    CultureInfo.CurrentCulture,
                    "WARNING: Disposing of connection \"{0}\" with the no-dispose flag set.",
                    _connectionString));
            }
        }
#endif

................................................................................
      if (UnsafeNativeMethods.GetSettingValue("No_SQLiteConnectionNewParser", null) != null)
          arParts = SQLiteConvert.Split(s, ';');
      else
          arParts = SQLiteConvert.NewSplit(s, ';', true, ref error);

      if (arParts == null)
      {
          throw new ArgumentException(UnsafeNativeMethods.StringFormat(
              CultureInfo.CurrentCulture,
              "Invalid ConnectionString format, cannot parse: {0}", (error != null) ?
              error : "could not split connection string into properties"));
      }

      int x = (arParts != null) ? arParts.Length : 0;
      // For each semi-colon piece, split into key and value pairs by the presence of the = sign
................................................................................
        int indexOf = arParts[n].IndexOf('=');

        if (indexOf != -1)
          ls.Add(UnwrapString(arParts[n].Substring(0, indexOf).Trim()), UnwrapString(arParts[n].Substring(indexOf + 1).Trim()));
        else if (allowNameOnly)
          ls.Add(UnwrapString(arParts[n].Trim()), String.Empty);
        else
          throw new ArgumentException(UnsafeNativeMethods.StringFormat(CultureInfo.CurrentCulture, "Invalid ConnectionString format for part \"{0}\", no equal sign found", arParts[n]));
      }
      return ls;
    }

    /// <summary>
    /// Parses a connection string using the built-in (i.e. framework provided)
    /// connection string parser class and returns the key/value pairs.  An
................................................................................
    public void EnableExtensions(
        bool enable
        )
    {
        CheckDisposed();

        if (_sql == null)
            throw new InvalidOperationException(UnsafeNativeMethods.StringFormat(
                CultureInfo.CurrentCulture,
                "Database connection not valid for {0} extensions.",
                enable ? "enabling" : "disabling"));

        if ((_flags & SQLiteConnectionFlags.NoLoadExtension) == SQLiteConnectionFlags.NoLoadExtension)
            throw new SQLiteException("Loading extensions is disabled for this database connection.");

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

        StringBuilder result = new StringBuilder();

        int length = array.Length;

        for (int index = 0; index < length; index++)
#if NET_COMPACT_20
            result.Append(UnsafeNativeMethods.StringFormat(
                CultureInfo.InvariantCulture,
                "{0:x2}", array[index]));
#else
            result.AppendFormat("{0:x2}", array[index]);
#endif

        return result.ToString();
................................................................................
        for (int index = 0; index < text.Length; index += 2)
        {
            string value = text.Substring(index, 2);

            if (!TryParseByte(value,
                    NumberStyles.HexNumber, out result[index / 2]))
            {
                error = UnsafeNativeMethods.StringFormat(
                    CultureInfo.CurrentCulture,
                    "string contains \"{0}\", which cannot be converted to a byte value",
                    value);

                return null;
            }
        }
................................................................................
#if !NET_COMPACT_20 && TRACE_WARNING
      bool uri = false;
#endif
      bool fullUri = false;
      string fileName;

      if (Convert.ToInt32(FindKey(opts, "Version", DefaultVersion.ToString()), CultureInfo.InvariantCulture) != DefaultVersion)
        throw new NotSupportedException(UnsafeNativeMethods.StringFormat(CultureInfo.CurrentCulture, "Only SQLite Version {0} is supported at this time", DefaultVersion));

#if INTEROP_INCLUDE_ZIPVFS
      bool useZipVfs = false;
      string zipVfsVersion = FindKey(opts, "ZipVfsVersion", DefaultZipVfsVersion);

      if (zipVfsVersion != null)
      {
................................................................................
          else if (String.Compare(zipVfsVersion, ZipVfs_V3) == 0)
          {
              UnsafeNativeMethods.zipvfsInit_v3(0);
              useZipVfs = true;
          }
          else
          {
              throw new NotSupportedException(UnsafeNativeMethods.StringFormat(
                  CultureInfo.CurrentCulture, "Only ZipVFS versions {0}, {1}, and {2} are supported at this time",
                  ZipVfs_Automatic, ZipVfs_V2, ZipVfs_V3));
          }
      }
#endif

      fileName = FindKey(opts, "Data Source", DefaultDataSource);
................................................................................
      if (String.IsNullOrEmpty(fileName))
      {
        fileName = FindKey(opts, "Uri", DefaultUri);
        if (String.IsNullOrEmpty(fileName))
        {
          fileName = FindKey(opts, "FullUri", DefaultFullUri);
          if (String.IsNullOrEmpty(fileName))
            throw new ArgumentException(UnsafeNativeMethods.StringFormat(CultureInfo.CurrentCulture, "Data Source cannot be empty.  Use {0} to open an in-memory database", MemoryFileName));
          else
            fullUri = true;
        }
        else
        {
          fileName = MapUriPath(fileName);
#if !NET_COMPACT_20 && TRACE_WARNING
................................................................................
#if !NET_COMPACT_20 && TRACE_WARNING
      if ((_flags & SQLiteConnectionFlags.TraceWarning) == SQLiteConnectionFlags.TraceWarning)
      {
          if (!uri && !fullUri && !isMemory && !String.IsNullOrEmpty(fileName) &&
              fileName.StartsWith("\\", StringComparison.OrdinalIgnoreCase) &&
              !fileName.StartsWith("\\\\", StringComparison.OrdinalIgnoreCase))
          {
              System.Diagnostics.Trace.WriteLine(UnsafeNativeMethods.StringFormat(
                  CultureInfo.CurrentCulture,
                  "WARNING: Detected a possibly malformed UNC database file name \"{0}\" that " +
                  "may have originally started with two backslashes; however, four leading " +
                  "backslashes may be required, e.g.: \"Data Source=\\\\\\{0};\"",
                  fileName));
          }
      }
................................................................................
        if (hexPassword != null)
        {
            string error = null;
            byte[] hexPasswordBytes = FromHexString(hexPassword, ref error);

            if (hexPasswordBytes == null)
            {
                throw new FormatException(UnsafeNativeMethods.StringFormat(
                    CultureInfo.CurrentCulture,
                    "Cannot parse 'HexPassword' property value into byte values: {0}",
                    error));
            }

            _sql.SetPassword(hexPasswordBytes);
        }
................................................................................

          if (boolValue)
          {
              using (SQLiteCommand cmd = CreateCommand())
              {
                  if (_busyTimeout != DefaultBusyTimeout)
                  {
                      cmd.CommandText = UnsafeNativeMethods.StringFormat(CultureInfo.InvariantCulture, "PRAGMA busy_timeout={0}", _busyTimeout);
                      cmd.ExecuteNonQuery();
                  }

                  int intValue;

                  if (!fullUri && !isMemory)
                  {
                      strValue = FindKey(opts, "Page Size", DefaultPageSize.ToString());
                      intValue = Convert.ToInt32(strValue, CultureInfo.InvariantCulture);
                      if (intValue != DefaultPageSize)
                      {
                          cmd.CommandText = UnsafeNativeMethods.StringFormat(CultureInfo.InvariantCulture, "PRAGMA page_size={0}", intValue);
                          cmd.ExecuteNonQuery();
                      }
                  }

                  strValue = FindKey(opts, "Max Page Count", DefaultMaxPageCount.ToString());
                  intValue = Convert.ToInt32(strValue, CultureInfo.InvariantCulture);
                  if (intValue != DefaultMaxPageCount)
                  {
                      cmd.CommandText = UnsafeNativeMethods.StringFormat(CultureInfo.InvariantCulture, "PRAGMA max_page_count={0}", intValue);
                      cmd.ExecuteNonQuery();
                  }

                  strValue = FindKey(opts, "Legacy Format", DefaultLegacyFormat.ToString());
                  boolValue = SQLiteConvert.ToBoolean(strValue);
                  if (boolValue != DefaultLegacyFormat)
                  {
                      cmd.CommandText = UnsafeNativeMethods.StringFormat(CultureInfo.InvariantCulture, "PRAGMA legacy_file_format={0}", boolValue ? "ON" : "OFF");
                      cmd.ExecuteNonQuery();
                  }

                  strValue = FindKey(opts, "Synchronous", DefaultSynchronous.ToString());
                  enumValue = TryParseEnum(typeof(SQLiteSynchronousEnum), strValue, true);
                  if (!(enumValue is SQLiteSynchronousEnum) || ((SQLiteSynchronousEnum)enumValue != DefaultSynchronous))
                  {
                      cmd.CommandText = UnsafeNativeMethods.StringFormat(CultureInfo.InvariantCulture, "PRAGMA synchronous={0}", strValue);
                      cmd.ExecuteNonQuery();
                  }

                  strValue = FindKey(opts, "Cache Size", DefaultCacheSize.ToString());
                  intValue = Convert.ToInt32(strValue, CultureInfo.InvariantCulture);
                  if (intValue != DefaultCacheSize)
                  {
                      cmd.CommandText = UnsafeNativeMethods.StringFormat(CultureInfo.InvariantCulture, "PRAGMA cache_size={0}", intValue);
                      cmd.ExecuteNonQuery();
                  }

                  strValue = FindKey(opts, "Journal Mode", DefaultJournalMode.ToString());
                  enumValue = TryParseEnum(typeof(SQLiteJournalModeEnum), strValue, true);
                  if (!(enumValue is SQLiteJournalModeEnum) || ((SQLiteJournalModeEnum)enumValue != DefaultJournalMode))
                  {
................................................................................
                      string pragmaStr = "PRAGMA journal_mode={0}";

#if INTEROP_INCLUDE_ZIPVFS
                      if (useZipVfs)
                          pragmaStr = "PRAGMA zipvfs_journal_mode={0}";
#endif

                      cmd.CommandText = UnsafeNativeMethods.StringFormat(CultureInfo.InvariantCulture, pragmaStr, strValue);
                      cmd.ExecuteNonQuery();
                  }

                  strValue = FindKey(opts, "Foreign Keys", DefaultForeignKeys.ToString());
                  boolValue = SQLiteConvert.ToBoolean(strValue);
                  if (boolValue != DefaultForeignKeys)
                  {
                      cmd.CommandText = UnsafeNativeMethods.StringFormat(CultureInfo.InvariantCulture, "PRAGMA foreign_keys={0}", boolValue ? "ON" : "OFF");
                      cmd.ExecuteNonQuery();
                  }

                  strValue = FindKey(opts, "Recursive Triggers", DefaultRecursiveTriggers.ToString());
                  boolValue = SQLiteConvert.ToBoolean(strValue);
                  if (boolValue != DefaultRecursiveTriggers)
                  {
                      cmd.CommandText = UnsafeNativeMethods.StringFormat(CultureInfo.InvariantCulture, "PRAGMA recursive_triggers={0}", boolValue ? "ON" : "OFF");
                      cmd.ExecuteNonQuery();
                  }
              }
          }

          if (_progressHandler != null)
              _sql.SetProgressHook(_progressOps, _progressCallback);
................................................................................
            {
                if (sourceId == null)
                    sourceId = "0000000000000000000000000000000000000000";

                if (sourceTimeStamp == null)
                    sourceTimeStamp = "0000-00-00 00:00:00 UTC";

                return UnsafeNativeMethods.StringFormat(
                    CultureInfo.InvariantCulture,
                    "{0} {1}", sourceId, sourceTimeStamp);
            }
            else
            {
                return null;
            }
................................................................................
            throw new InvalidOperationException("Database connection not valid for shutdown.");

        _sql.Close(true); /* NOTE: MUST be closed before shutdown. */
        SQLiteErrorCode rc = _sql.Shutdown();

#if !NET_COMPACT_20 && TRACE_CONNECTION
        if (rc != SQLiteErrorCode.Ok)
            System.Diagnostics.Trace.WriteLine(UnsafeNativeMethods.StringFormat(
                CultureInfo.CurrentCulture,
                "Shutdown (Instance) Failed: {0}", rc));
#endif

        return rc;
    }

................................................................................
        )
    {
        SQLiteErrorCode rc = SQLite3.StaticShutdown(directories);

        if (rc != SQLiteErrorCode.Ok)
        {
#if !NET_COMPACT_20 && TRACE_CONNECTION
            System.Diagnostics.Trace.WriteLine(UnsafeNativeMethods.StringFormat(
                CultureInfo.CurrentCulture,
                "Shutdown (Static) Failed: {0}", rc));
#endif

            if (!noThrow)
                throw new SQLiteException(rc, null);
        }
................................................................................

      tbl.BeginLoadData();

      if (String.IsNullOrEmpty(strCatalog)) strCatalog = "main";

      string master = (String.Compare(strCatalog, "temp", StringComparison.OrdinalIgnoreCase) == 0) ? _tempmasterdb : _masterdb;

      using (SQLiteCommand cmdTables = new SQLiteCommand(UnsafeNativeMethods.StringFormat(CultureInfo.InvariantCulture, "SELECT * FROM [{0}].[{1}] WHERE [type] LIKE 'table' OR [type] LIKE 'view'", strCatalog, master), this))
      using (SQLiteDataReader rdTables = cmdTables.ExecuteReader())
      {
        while (rdTables.Read())
        {
          if (String.IsNullOrEmpty(strTable) || String.Compare(strTable, rdTables.GetString(2), StringComparison.OrdinalIgnoreCase) == 0)
          {
            try
            {
              using (SQLiteCommand cmd = new SQLiteCommand(UnsafeNativeMethods.StringFormat(CultureInfo.InvariantCulture, "SELECT * FROM [{0}].[{1}]", strCatalog, rdTables.GetString(2)), this))
              using (SQLiteDataReader rd = (SQLiteDataReader)cmd.ExecuteReader(CommandBehavior.SchemaOnly))
              using (DataTable tblSchema = rd.GetSchemaTable(true, true))
              {
                foreach (DataRow schemaRow in tblSchema.Rows)
                {
                  if (String.Compare(schemaRow[SchemaTableColumn.ColumnName].ToString(), strColumn, StringComparison.OrdinalIgnoreCase) == 0
                    || strColumn == null)
................................................................................

      tbl.BeginLoadData();

      if (String.IsNullOrEmpty(strCatalog)) strCatalog = "main";

      string master = (String.Compare(strCatalog, "temp", StringComparison.OrdinalIgnoreCase) == 0) ? _tempmasterdb : _masterdb;

      using (SQLiteCommand cmdTables = new SQLiteCommand(UnsafeNativeMethods.StringFormat(CultureInfo.InvariantCulture, "SELECT * FROM [{0}].[{1}] WHERE [type] LIKE 'table'", strCatalog, master), this))
      using (SQLiteDataReader rdTables = cmdTables.ExecuteReader())
      {
        while (rdTables.Read())
        {
          maybeRowId = false;
          primaryKeys.Clear();
          if (String.IsNullOrEmpty(strTable) || String.Compare(rdTables.GetString(2), strTable, StringComparison.OrdinalIgnoreCase) == 0)
          {
            // First, look for any rowid indexes -- which sqlite defines are INTEGER PRIMARY KEY columns.
            // Such indexes are not listed in the indexes list but count as indexes just the same.
            try
            {
              using (SQLiteCommand cmdTable = new SQLiteCommand(UnsafeNativeMethods.StringFormat(CultureInfo.InvariantCulture, "PRAGMA [{0}].table_info([{1}])", strCatalog, rdTables.GetString(2)), this))
              using (SQLiteDataReader rdTable = cmdTable.ExecuteReader())
              {
                while (rdTable.Read())
                {
                  if (rdTable.GetInt32(5) != 0)
                  {
                    primaryKeys.Add(rdTable.GetInt32(0));
................................................................................
            {
              row = tbl.NewRow();

              row["TABLE_CATALOG"] = strCatalog;
              row["TABLE_NAME"] = rdTables.GetString(2);
              row["INDEX_CATALOG"] = strCatalog;
              row["PRIMARY_KEY"] = true;
              row["INDEX_NAME"] = UnsafeNativeMethods.StringFormat(CultureInfo.InvariantCulture, "{1}_PK_{0}", rdTables.GetString(2), master);
              row["UNIQUE"] = true;

              if (String.Compare((string)row["INDEX_NAME"], strIndex, StringComparison.OrdinalIgnoreCase) == 0
              || strIndex == null)
              {
                tbl.Rows.Add(row);
              }
................................................................................

              primaryKeys.Clear();
            }

            // Now fetch all the rest of the indexes.
            try
            {
              using (SQLiteCommand cmd = new SQLiteCommand(UnsafeNativeMethods.StringFormat(CultureInfo.InvariantCulture, "PRAGMA [{0}].index_list([{1}])", strCatalog, rdTables.GetString(2)), this))
              using (SQLiteDataReader rd = (SQLiteDataReader)cmd.ExecuteReader())
              {
                while (rd.Read())
                {
                  if (String.Compare(rd.GetString(1), strIndex, StringComparison.OrdinalIgnoreCase) == 0
                  || strIndex == null)
                  {
................................................................................
                    row["TABLE_NAME"] = rdTables.GetString(2);
                    row["INDEX_CATALOG"] = strCatalog;
                    row["INDEX_NAME"] = rd.GetString(1);
                    row["UNIQUE"] = SQLiteConvert.ToBoolean(rd.GetValue(2), CultureInfo.InvariantCulture, false);
                    row["PRIMARY_KEY"] = false;

                    // get the index definition
                    using (SQLiteCommand cmdIndexes = new SQLiteCommand(UnsafeNativeMethods.StringFormat(CultureInfo.InvariantCulture, "SELECT * FROM [{0}].[{2}] WHERE [type] LIKE 'index' AND [name] LIKE '{1}'", strCatalog, rd.GetString(1).Replace("'", "''"), master), this))
                    using (SQLiteDataReader rdIndexes = cmdIndexes.ExecuteReader())
                    {
                      while (rdIndexes.Read())
                      {
                        if (rdIndexes.IsDBNull(4) == false)
                          row["INDEX_DEFINITION"] = rdIndexes.GetString(4);
                        break;
................................................................................
                    }

                    // Now for the really hard work.  Figure out which index is the primary key index.
                    // The only way to figure it out is to check if the index was an autoindex and if we have a non-rowid
                    // primary key, and all the columns in the given index match the primary key columns
                    if (primaryKeys.Count > 0 && rd.GetString(1).StartsWith("sqlite_autoindex_" + rdTables.GetString(2), StringComparison.InvariantCultureIgnoreCase) == true)
                    {
                      using (SQLiteCommand cmdDetails = new SQLiteCommand(UnsafeNativeMethods.StringFormat(CultureInfo.InvariantCulture, "PRAGMA [{0}].index_info([{1}])", strCatalog, rd.GetString(1)), this))
                      using (SQLiteDataReader rdDetails = cmdDetails.ExecuteReader())
                      {
                        int nMatches = 0;
                        while (rdDetails.Read())
                        {
                          if (primaryKeys.Contains(rdDetails.GetInt32(1)) == false)
                          {
................................................................................

      tbl.BeginLoadData();

      if (String.IsNullOrEmpty(table)) table = null;
      if (String.IsNullOrEmpty(catalog)) catalog = "main";
      string master = (String.Compare(catalog, "temp", StringComparison.OrdinalIgnoreCase) == 0) ? _tempmasterdb : _masterdb;

      using (SQLiteCommand cmd = new SQLiteCommand(UnsafeNativeMethods.StringFormat(CultureInfo.InvariantCulture, "SELECT [type], [name], [tbl_name], [rootpage], [sql], [rowid] FROM [{0}].[{1}] WHERE [type] LIKE 'trigger'", catalog, master), this))
      using (SQLiteDataReader rd = (SQLiteDataReader)cmd.ExecuteReader())
      {
        while (rd.Read())
        {
          if (String.Compare(rd.GetString(1), triggerName, StringComparison.OrdinalIgnoreCase) == 0
            || triggerName == null)
          {
................................................................................
      tbl.Columns.Add("TABLE_DEFINITION", typeof(string));
      tbl.BeginLoadData();

      if (String.IsNullOrEmpty(strCatalog)) strCatalog = "main";

      string master = (String.Compare(strCatalog, "temp", StringComparison.OrdinalIgnoreCase) == 0) ? _tempmasterdb : _masterdb;

      using (SQLiteCommand cmd = new SQLiteCommand(UnsafeNativeMethods.StringFormat(CultureInfo.InvariantCulture, "SELECT [type], [name], [tbl_name], [rootpage], [sql], [rowid] FROM [{0}].[{1}] WHERE [type] LIKE 'table'", strCatalog, master), this))
      using (SQLiteDataReader rd = (SQLiteDataReader)cmd.ExecuteReader())
      {
        while (rd.Read())
        {
          strItem = rd.GetString(0);
          if (String.Compare(rd.GetString(2), 0, "SQLITE_", 0, 7, StringComparison.OrdinalIgnoreCase) == 0)
            strItem = "SYSTEM_TABLE";
................................................................................

      tbl.BeginLoadData();

      if (String.IsNullOrEmpty(strCatalog)) strCatalog = "main";

      string master = (String.Compare(strCatalog, "temp", StringComparison.OrdinalIgnoreCase) == 0) ? _tempmasterdb : _masterdb;

      using (SQLiteCommand cmd = new SQLiteCommand(UnsafeNativeMethods.StringFormat(CultureInfo.InvariantCulture, "SELECT * FROM [{0}].[{1}] WHERE [type] LIKE 'view'", strCatalog, master), this))
      using (SQLiteDataReader rd = (SQLiteDataReader)cmd.ExecuteReader())
      {
        while (rd.Read())
        {
          if (String.Compare(rd.GetString(1), strView, StringComparison.OrdinalIgnoreCase) == 0
            || String.IsNullOrEmpty(strView))
          {
................................................................................

      if (String.IsNullOrEmpty(strCatalog)) strCatalog = "main";

      string master = (String.Compare(strCatalog, "temp", StringComparison.OrdinalIgnoreCase) == 0) ? _tempmasterdb : _masterdb;

      tbl.BeginLoadData();

      using (SQLiteCommand cmdTables = new SQLiteCommand(UnsafeNativeMethods.StringFormat(CultureInfo.InvariantCulture, "SELECT * FROM [{0}].[{1}] WHERE [type] LIKE 'table'", strCatalog, master), this))
      using (SQLiteDataReader rdTables = cmdTables.ExecuteReader())
      {
        while (rdTables.Read())
        {
          maybeRowId = false;
          primaryKeys.Clear();
          if (String.IsNullOrEmpty(strTable) || String.Compare(rdTables.GetString(2), strTable, StringComparison.OrdinalIgnoreCase) == 0)
          {
            try
            {
              using (SQLiteCommand cmdTable = new SQLiteCommand(UnsafeNativeMethods.StringFormat(CultureInfo.InvariantCulture, "PRAGMA [{0}].table_info([{1}])", strCatalog, rdTables.GetString(2)), this))
              using (SQLiteDataReader rdTable = cmdTable.ExecuteReader())
              {
                while (rdTable.Read())
                {
                  if (rdTable.GetInt32(5) == 1) // is a primary key
                  {
                    primaryKeys.Add(new KeyValuePair<int, string>(rdTable.GetInt32(0), rdTable.GetString(1)));
................................................................................
            {
            }
            // This is a rowid row
            if (primaryKeys.Count == 1 && maybeRowId == true)
            {
              row = tbl.NewRow();
              row["CONSTRAINT_CATALOG"] = strCatalog;
              row["CONSTRAINT_NAME"] = UnsafeNativeMethods.StringFormat(CultureInfo.InvariantCulture, "{1}_PK_{0}", rdTables.GetString(2), master);
              row["TABLE_CATALOG"] = strCatalog;
              row["TABLE_NAME"] = rdTables.GetString(2);
              row["COLUMN_NAME"] = primaryKeys[0].Value;
              row["INDEX_NAME"] = row["CONSTRAINT_NAME"];
              row["ORDINAL_POSITION"] = 0; // primaryKeys[0].Key;
              row["COLLATION_NAME"] = "BINARY";
              row["SORT_MODE"] = "ASC";
              row["CONFLICT_OPTION"] = 2;

              if (String.IsNullOrEmpty(strIndex) || String.Compare(strIndex, (string)row["INDEX_NAME"], StringComparison.OrdinalIgnoreCase) == 0)
                tbl.Rows.Add(row);
            }

            using (SQLiteCommand cmdIndexes = new SQLiteCommand(UnsafeNativeMethods.StringFormat(CultureInfo.InvariantCulture, "SELECT * FROM [{0}].[{2}] WHERE [type] LIKE 'index' AND [tbl_name] LIKE '{1}'", strCatalog, rdTables.GetString(2).Replace("'", "''"), master), this))
            using (SQLiteDataReader rdIndexes = cmdIndexes.ExecuteReader())
            {
              while (rdIndexes.Read())
              {
                int ordinal = 0;
                if (String.IsNullOrEmpty(strIndex) || String.Compare(strIndex, rdIndexes.GetString(1), StringComparison.OrdinalIgnoreCase) == 0)
                {
                  try
                  {
                    using (SQLiteCommand cmdIndex = new SQLiteCommand(UnsafeNativeMethods.StringFormat(CultureInfo.InvariantCulture, "PRAGMA [{0}].index_info([{1}])", strCatalog, rdIndexes.GetString(1)), this))
                    using (SQLiteDataReader rdIndex = cmdIndex.ExecuteReader())
                    {
                      while (rdIndex.Read())
                      {
                        string columnName = rdIndex.IsDBNull(2) ? null : rdIndex.GetString(2);

                        row = tbl.NewRow();
................................................................................

      if (String.IsNullOrEmpty(strCatalog)) strCatalog = "main";

      string master = (String.Compare(strCatalog, "temp", StringComparison.OrdinalIgnoreCase) == 0) ? _tempmasterdb : _masterdb;

      tbl.BeginLoadData();

      using (SQLiteCommand cmdViews = new SQLiteCommand(UnsafeNativeMethods.StringFormat(CultureInfo.InvariantCulture, "SELECT * FROM [{0}].[{1}] WHERE [type] LIKE 'view'", strCatalog, master), this))
      using (SQLiteDataReader rdViews = cmdViews.ExecuteReader())
      {
        while (rdViews.Read())
        {
          if (String.IsNullOrEmpty(strView) || String.Compare(strView, rdViews.GetString(2), StringComparison.OrdinalIgnoreCase) == 0)
          {
            using (SQLiteCommand cmdViewSelect = new SQLiteCommand(UnsafeNativeMethods.StringFormat(CultureInfo.InvariantCulture, "SELECT * FROM [{0}].[{1}]", strCatalog, rdViews.GetString(2)), this))
            {
              strSql = rdViews.GetString(4).Replace('\r', ' ').Replace('\n', ' ').Replace('\t', ' ');
              n = CultureInfo.InvariantCulture.CompareInfo.IndexOf(strSql, " AS ", CompareOptions.IgnoreCase);
              if (n < 0)
                continue;

              strSql = strSql.Substring(n + 4);
................................................................................

      if (String.IsNullOrEmpty(strCatalog)) strCatalog = "main";

      string master = (String.Compare(strCatalog, "temp", StringComparison.OrdinalIgnoreCase) == 0) ? _tempmasterdb : _masterdb;

      tbl.BeginLoadData();

      using (SQLiteCommand cmdTables = new SQLiteCommand(UnsafeNativeMethods.StringFormat(CultureInfo.InvariantCulture, "SELECT * FROM [{0}].[{1}] WHERE [type] LIKE 'table'", strCatalog, master), this))
      using (SQLiteDataReader rdTables = cmdTables.ExecuteReader())
      {
        while (rdTables.Read())
        {
          if (String.IsNullOrEmpty(strTable) || String.Compare(strTable, rdTables.GetString(2), StringComparison.OrdinalIgnoreCase) == 0)
          {
            try
            {
              using (SQLiteCommandBuilder builder = new SQLiteCommandBuilder())
              using (SQLiteCommand cmdKey = new SQLiteCommand(UnsafeNativeMethods.StringFormat(CultureInfo.InvariantCulture, "PRAGMA [{0}].foreign_key_list([{1}])", strCatalog, rdTables.GetString(2)), this))
              using (SQLiteDataReader rdKey = cmdKey.ExecuteReader())
              {
                while (rdKey.Read())
                {
                  row = tbl.NewRow();
                  row["CONSTRAINT_CATALOG"] = strCatalog;
                  row["CONSTRAINT_NAME"] = UnsafeNativeMethods.StringFormat(CultureInfo.InvariantCulture, "FK_{0}_{1}_{2}", rdTables[2], rdKey.GetInt32(0), rdKey.GetInt32(1));
                  row["TABLE_CATALOG"] = strCatalog;
                  row["TABLE_NAME"] = builder.UnquoteIdentifier(rdTables.GetString(2));
                  row["CONSTRAINT_TYPE"] = "FOREIGN KEY";
                  row["IS_DEFERRABLE"] = false;
                  row["INITIALLY_DEFERRED"] = false;
                  row["FKEY_ID"] = rdKey[0];
                  row["FKEY_FROM_COLUMN"] = builder.UnquoteIdentifier(rdKey[3].ToString());
................................................................................
        {
            try
            {
                if ((_flags & SQLiteConnectionFlags.LogCallbackException) ==
                        SQLiteConnectionFlags.LogCallbackException)
                {
                    SQLiteLog.LogMessage(SQLiteBase.COR_E_EXCEPTION,
                        UnsafeNativeMethods.StringFormat(CultureInfo.CurrentCulture,
                        "Caught exception in \"Progress\" method: {1}",
                        e)); /* throw */
                }
            }
            catch
            {
                // do nothing.
................................................................................
        {
            try
            {
                if ((_flags & SQLiteConnectionFlags.LogCallbackException) ==
                        SQLiteConnectionFlags.LogCallbackException)
                {
                    SQLiteLog.LogMessage(SQLiteBase.COR_E_EXCEPTION,
                        UnsafeNativeMethods.StringFormat(CultureInfo.CurrentCulture,
                        "Caught exception in \"Authorize\" method: {1}",
                        e)); /* throw */
                }
            }
            catch
            {
                // do nothing.
................................................................................
        {
            try
            {
                if ((_flags & SQLiteConnectionFlags.LogCallbackException) ==
                        SQLiteConnectionFlags.LogCallbackException)
                {
                    SQLiteLog.LogMessage(SQLiteBase.COR_E_EXCEPTION,
                        UnsafeNativeMethods.StringFormat(CultureInfo.CurrentCulture,
                        "Caught exception in \"Update\" method: {1}",
                        e)); /* throw */
                }
            }
            catch
            {
                // do nothing.
................................................................................
        {
            try
            {
                if ((_flags & SQLiteConnectionFlags.LogCallbackException) ==
                        SQLiteConnectionFlags.LogCallbackException)
                {
                    SQLiteLog.LogMessage(SQLiteBase.COR_E_EXCEPTION,
                        UnsafeNativeMethods.StringFormat(CultureInfo.CurrentCulture,
                        "Caught exception in \"Trace\" method: {1}",
                        e)); /* throw */
                }
            }
            catch
            {
                // do nothing.
................................................................................
        {
            try
            {
                if ((_flags & SQLiteConnectionFlags.LogCallbackException) ==
                        SQLiteConnectionFlags.LogCallbackException)
                {
                    SQLiteLog.LogMessage(SQLiteBase.COR_E_EXCEPTION,
                        UnsafeNativeMethods.StringFormat(CultureInfo.CurrentCulture,
                        "Caught exception in \"Commit\" method: {1}",
                        e)); /* throw */
                }
            }
            catch
            {
                // do nothing.
................................................................................
        {
            try
            {
                if ((_flags & SQLiteConnectionFlags.LogCallbackException) ==
                        SQLiteConnectionFlags.LogCallbackException)
                {
                    SQLiteLog.LogMessage(SQLiteBase.COR_E_EXCEPTION,
                        UnsafeNativeMethods.StringFormat(CultureInfo.CurrentCulture,
                        "Caught exception in \"Rollback\" method: {1}",
                        e)); /* throw */
                }
            }
            catch
            {
                // do nothing.







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936
937
938
939
940
941
942
943
944
945
946
947
948
....
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
....
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
....
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
....
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
....
2333
2334
2335
2336
2337
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
....
2456
2457
2458
2459
2460
2461
2462
2463
2464
2465
2466
2467
2468
2469
2470
....
2508
2509
2510
2511
2512
2513
2514
2515
2516
2517
2518
2519
2520
2521
2522
....
2664
2665
2666
2667
2668
2669
2670
2671
2672
2673
2674
2675
2676
2677
2678
....
2688
2689
2690
2691
2692
2693
2694
2695
2696
2697
2698
2699
2700
2701
2702
....
2704
2705
2706
2707
2708
2709
2710
2711
2712
2713
2714
2715
2716
2717
2718
....
2726
2727
2728
2729
2730
2731
2732
2733
2734
2735
2736
2737
2738
2739
2740
....
2808
2809
2810
2811
2812
2813
2814
2815
2816
2817
2818
2819
2820
2821
2822
....
2852
2853
2854
2855
2856
2857
2858
2859
2860
2861
2862
2863
2864
2865
2866
2867
2868
2869
2870
2871
2872
2873
2874
2875
2876
2877
2878
2879
2880
2881
2882
2883
2884
2885
2886
2887
2888
2889
2890
2891
2892
2893
2894
2895
2896
2897
2898
2899
2900
2901
2902
2903
2904
2905
2906
2907
2908
2909
2910
2911
....
2912
2913
2914
2915
2916
2917
2918
2919
2920
2921
2922
2923
2924
2925
2926
2927
2928
2929
2930
2931
2932
2933
2934
2935
2936
2937
2938
2939
2940
2941
2942
....
3465
3466
3467
3468
3469
3470
3471
3472
3473
3474
3475
3476
3477
3478
3479
....
3541
3542
3543
3544
3545
3546
3547
3548
3549
3550
3551
3552
3553
3554
3555
....
3571
3572
3573
3574
3575
3576
3577
3578
3579
3580
3581
3582
3583
3584
3585
....
4171
4172
4173
4174
4175
4176
4177
4178
4179
4180
4181
4182
4183
4184
4185
4186
4187
4188
4189
4190
4191
4192
4193
4194
....
4274
4275
4276
4277
4278
4279
4280
4281
4282
4283
4284
4285
4286
4287
4288
4289
4290
4291
4292
4293
4294
4295
4296
4297
4298
4299
4300
4301
....
4314
4315
4316
4317
4318
4319
4320
4321
4322
4323
4324
4325
4326
4327
4328
....
4329
4330
4331
4332
4333
4334
4335
4336
4337
4338
4339
4340
4341
4342
4343
....
4347
4348
4349
4350
4351
4352
4353
4354
4355
4356
4357
4358
4359
4360
4361
....
4363
4364
4365
4366
4367
4368
4369
4370
4371
4372
4373
4374
4375
4376
4377
....
4420
4421
4422
4423
4424
4425
4426
4427
4428
4429
4430
4431
4432
4433
4434
....
4475
4476
4477
4478
4479
4480
4481
4482
4483
4484
4485
4486
4487
4488
4489
....
4541
4542
4543
4544
4545
4546
4547
4548
4549
4550
4551
4552
4553
4554
4555
....
4690
4691
4692
4693
4694
4695
4696
4697
4698
4699
4700
4701
4702
4703
4704
4705
4706
4707
4708
4709
4710
4711
4712
4713
4714
4715
....
4724
4725
4726
4727
4728
4729
4730
4731
4732
4733
4734
4735
4736
4737
4738
4739
4740
4741
4742
4743
4744
4745
4746
4747
4748
4749
4750
4751
4752
4753
4754
4755
4756
4757
4758
4759
4760
4761
4762
....
4852
4853
4854
4855
4856
4857
4858
4859
4860
4861
4862
4863
4864
4865
4866
4867
4868
4869
4870
4871
4872
4873
....
4957
4958
4959
4960
4961
4962
4963
4964
4965
4966
4967
4968
4969
4970
4971
4972
4973
4974
4975
4976
4977
4978
4979
4980
4981
4982
4983
4984
4985
4986
4987
4988
....
5128
5129
5130
5131
5132
5133
5134
5135
5136
5137
5138
5139
5140
5141
5142
....
5181
5182
5183
5184
5185
5186
5187
5188
5189
5190
5191
5192
5193
5194
5195
....
5230
5231
5232
5233
5234
5235
5236
5237
5238
5239
5240
5241
5242
5243
5244
....
5321
5322
5323
5324
5325
5326
5327
5328
5329
5330
5331
5332
5333
5334
5335
....
5383
5384
5385
5386
5387
5388
5389
5390
5391
5392
5393
5394
5395
5396
5397
....
5425
5426
5427
5428
5429
5430
5431
5432
5433
5434
5435
5436
5437
5438
5439
          {
            string str = row[0].ToString();
            if (String.Compare(str, "main", StringComparison.OrdinalIgnoreCase) != 0
              && String.Compare(str, "temp", StringComparison.OrdinalIgnoreCase) != 0)
            {
              using (SQLiteCommand cmd = CreateCommand())
              {
                cmd.CommandText = HelperMethods.StringFormat(CultureInfo.InvariantCulture, "ATTACH DATABASE '{0}' AS [{1}]", row[1], row[0]);
                cmd.ExecuteNonQuery();
              }
            }
          }
        }
      }
    }
................................................................................
                    break;
            }
        }
        catch (Exception e)
        {
            if ((_flags & SQLiteConnectionFlags.LogBackup) == SQLiteConnectionFlags.LogBackup)
            {
                SQLiteLog.LogMessage(HelperMethods.StringFormat(
                    CultureInfo.CurrentCulture,
                    "Caught exception while backing up database: {0}", e));
            }

            throw;
        }
        finally
................................................................................
    protected override void Dispose(bool disposing)
    {
#if !NET_COMPACT_20 && TRACE_WARNING
        if ((_flags & SQLiteConnectionFlags.TraceWarning) == SQLiteConnectionFlags.TraceWarning)
        {
            if (_noDispose)
            {
                System.Diagnostics.Trace.WriteLine(HelperMethods.StringFormat(
                    CultureInfo.CurrentCulture,
                    "WARNING: Disposing of connection \"{0}\" with the no-dispose flag set.",
                    _connectionString));
            }
        }
#endif

................................................................................
      if (UnsafeNativeMethods.GetSettingValue("No_SQLiteConnectionNewParser", null) != null)
          arParts = SQLiteConvert.Split(s, ';');
      else
          arParts = SQLiteConvert.NewSplit(s, ';', true, ref error);

      if (arParts == null)
      {
          throw new ArgumentException(HelperMethods.StringFormat(
              CultureInfo.CurrentCulture,
              "Invalid ConnectionString format, cannot parse: {0}", (error != null) ?
              error : "could not split connection string into properties"));
      }

      int x = (arParts != null) ? arParts.Length : 0;
      // For each semi-colon piece, split into key and value pairs by the presence of the = sign
................................................................................
        int indexOf = arParts[n].IndexOf('=');

        if (indexOf != -1)
          ls.Add(UnwrapString(arParts[n].Substring(0, indexOf).Trim()), UnwrapString(arParts[n].Substring(indexOf + 1).Trim()));
        else if (allowNameOnly)
          ls.Add(UnwrapString(arParts[n].Trim()), String.Empty);
        else
          throw new ArgumentException(HelperMethods.StringFormat(CultureInfo.CurrentCulture, "Invalid ConnectionString format for part \"{0}\", no equal sign found", arParts[n]));
      }
      return ls;
    }

    /// <summary>
    /// Parses a connection string using the built-in (i.e. framework provided)
    /// connection string parser class and returns the key/value pairs.  An
................................................................................
    public void EnableExtensions(
        bool enable
        )
    {
        CheckDisposed();

        if (_sql == null)
            throw new InvalidOperationException(HelperMethods.StringFormat(
                CultureInfo.CurrentCulture,
                "Database connection not valid for {0} extensions.",
                enable ? "enabling" : "disabling"));

        if ((_flags & SQLiteConnectionFlags.NoLoadExtension) == SQLiteConnectionFlags.NoLoadExtension)
            throw new SQLiteException("Loading extensions is disabled for this database connection.");

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

        StringBuilder result = new StringBuilder();

        int length = array.Length;

        for (int index = 0; index < length; index++)
#if NET_COMPACT_20
            result.Append(HelperMethods.StringFormat(
                CultureInfo.InvariantCulture,
                "{0:x2}", array[index]));
#else
            result.AppendFormat("{0:x2}", array[index]);
#endif

        return result.ToString();
................................................................................
        for (int index = 0; index < text.Length; index += 2)
        {
            string value = text.Substring(index, 2);

            if (!TryParseByte(value,
                    NumberStyles.HexNumber, out result[index / 2]))
            {
                error = HelperMethods.StringFormat(
                    CultureInfo.CurrentCulture,
                    "string contains \"{0}\", which cannot be converted to a byte value",
                    value);

                return null;
            }
        }
................................................................................
#if !NET_COMPACT_20 && TRACE_WARNING
      bool uri = false;
#endif
      bool fullUri = false;
      string fileName;

      if (Convert.ToInt32(FindKey(opts, "Version", DefaultVersion.ToString()), CultureInfo.InvariantCulture) != DefaultVersion)
        throw new NotSupportedException(HelperMethods.StringFormat(CultureInfo.CurrentCulture, "Only SQLite Version {0} is supported at this time", DefaultVersion));

#if INTEROP_INCLUDE_ZIPVFS
      bool useZipVfs = false;
      string zipVfsVersion = FindKey(opts, "ZipVfsVersion", DefaultZipVfsVersion);

      if (zipVfsVersion != null)
      {
................................................................................
          else if (String.Compare(zipVfsVersion, ZipVfs_V3) == 0)
          {
              UnsafeNativeMethods.zipvfsInit_v3(0);
              useZipVfs = true;
          }
          else
          {
              throw new NotSupportedException(HelperMethods.StringFormat(
                  CultureInfo.CurrentCulture, "Only ZipVFS versions {0}, {1}, and {2} are supported at this time",
                  ZipVfs_Automatic, ZipVfs_V2, ZipVfs_V3));
          }
      }
#endif

      fileName = FindKey(opts, "Data Source", DefaultDataSource);
................................................................................
      if (String.IsNullOrEmpty(fileName))
      {
        fileName = FindKey(opts, "Uri", DefaultUri);
        if (String.IsNullOrEmpty(fileName))
        {
          fileName = FindKey(opts, "FullUri", DefaultFullUri);
          if (String.IsNullOrEmpty(fileName))
            throw new ArgumentException(HelperMethods.StringFormat(CultureInfo.CurrentCulture, "Data Source cannot be empty.  Use {0} to open an in-memory database", MemoryFileName));
          else
            fullUri = true;
        }
        else
        {
          fileName = MapUriPath(fileName);
#if !NET_COMPACT_20 && TRACE_WARNING
................................................................................
#if !NET_COMPACT_20 && TRACE_WARNING
      if ((_flags & SQLiteConnectionFlags.TraceWarning) == SQLiteConnectionFlags.TraceWarning)
      {
          if (!uri && !fullUri && !isMemory && !String.IsNullOrEmpty(fileName) &&
              fileName.StartsWith("\\", StringComparison.OrdinalIgnoreCase) &&
              !fileName.StartsWith("\\\\", StringComparison.OrdinalIgnoreCase))
          {
              System.Diagnostics.Trace.WriteLine(HelperMethods.StringFormat(
                  CultureInfo.CurrentCulture,
                  "WARNING: Detected a possibly malformed UNC database file name \"{0}\" that " +
                  "may have originally started with two backslashes; however, four leading " +
                  "backslashes may be required, e.g.: \"Data Source=\\\\\\{0};\"",
                  fileName));
          }
      }
................................................................................
        if (hexPassword != null)
        {
            string error = null;
            byte[] hexPasswordBytes = FromHexString(hexPassword, ref error);

            if (hexPasswordBytes == null)
            {
                throw new FormatException(HelperMethods.StringFormat(
                    CultureInfo.CurrentCulture,
                    "Cannot parse 'HexPassword' property value into byte values: {0}",
                    error));
            }

            _sql.SetPassword(hexPasswordBytes);
        }
................................................................................

          if (boolValue)
          {
              using (SQLiteCommand cmd = CreateCommand())
              {
                  if (_busyTimeout != DefaultBusyTimeout)
                  {
                      cmd.CommandText = HelperMethods.StringFormat(CultureInfo.InvariantCulture, "PRAGMA busy_timeout={0}", _busyTimeout);
                      cmd.ExecuteNonQuery();
                  }

                  int intValue;

                  if (!fullUri && !isMemory)
                  {
                      strValue = FindKey(opts, "Page Size", DefaultPageSize.ToString());
                      intValue = Convert.ToInt32(strValue, CultureInfo.InvariantCulture);
                      if (intValue != DefaultPageSize)
                      {
                          cmd.CommandText = HelperMethods.StringFormat(CultureInfo.InvariantCulture, "PRAGMA page_size={0}", intValue);
                          cmd.ExecuteNonQuery();
                      }
                  }

                  strValue = FindKey(opts, "Max Page Count", DefaultMaxPageCount.ToString());
                  intValue = Convert.ToInt32(strValue, CultureInfo.InvariantCulture);
                  if (intValue != DefaultMaxPageCount)
                  {
                      cmd.CommandText = HelperMethods.StringFormat(CultureInfo.InvariantCulture, "PRAGMA max_page_count={0}", intValue);
                      cmd.ExecuteNonQuery();
                  }

                  strValue = FindKey(opts, "Legacy Format", DefaultLegacyFormat.ToString());
                  boolValue = SQLiteConvert.ToBoolean(strValue);
                  if (boolValue != DefaultLegacyFormat)
                  {
                      cmd.CommandText = HelperMethods.StringFormat(CultureInfo.InvariantCulture, "PRAGMA legacy_file_format={0}", boolValue ? "ON" : "OFF");
                      cmd.ExecuteNonQuery();
                  }

                  strValue = FindKey(opts, "Synchronous", DefaultSynchronous.ToString());
                  enumValue = TryParseEnum(typeof(SQLiteSynchronousEnum), strValue, true);
                  if (!(enumValue is SQLiteSynchronousEnum) || ((SQLiteSynchronousEnum)enumValue != DefaultSynchronous))
                  {
                      cmd.CommandText = HelperMethods.StringFormat(CultureInfo.InvariantCulture, "PRAGMA synchronous={0}", strValue);
                      cmd.ExecuteNonQuery();
                  }

                  strValue = FindKey(opts, "Cache Size", DefaultCacheSize.ToString());
                  intValue = Convert.ToInt32(strValue, CultureInfo.InvariantCulture);
                  if (intValue != DefaultCacheSize)
                  {
                      cmd.CommandText = HelperMethods.StringFormat(CultureInfo.InvariantCulture, "PRAGMA cache_size={0}", intValue);
                      cmd.ExecuteNonQuery();
                  }

                  strValue = FindKey(opts, "Journal Mode", DefaultJournalMode.ToString());
                  enumValue = TryParseEnum(typeof(SQLiteJournalModeEnum), strValue, true);
                  if (!(enumValue is SQLiteJournalModeEnum) || ((SQLiteJournalModeEnum)enumValue != DefaultJournalMode))
                  {
................................................................................
                      string pragmaStr = "PRAGMA journal_mode={0}";

#if INTEROP_INCLUDE_ZIPVFS
                      if (useZipVfs)
                          pragmaStr = "PRAGMA zipvfs_journal_mode={0}";
#endif

                      cmd.CommandText = HelperMethods.StringFormat(CultureInfo.InvariantCulture, pragmaStr, strValue);
                      cmd.ExecuteNonQuery();
                  }

                  strValue = FindKey(opts, "Foreign Keys", DefaultForeignKeys.ToString());
                  boolValue = SQLiteConvert.ToBoolean(strValue);
                  if (boolValue != DefaultForeignKeys)
                  {
                      cmd.CommandText = HelperMethods.StringFormat(CultureInfo.InvariantCulture, "PRAGMA foreign_keys={0}", boolValue ? "ON" : "OFF");
                      cmd.ExecuteNonQuery();
                  }

                  strValue = FindKey(opts, "Recursive Triggers", DefaultRecursiveTriggers.ToString());
                  boolValue = SQLiteConvert.ToBoolean(strValue);
                  if (boolValue != DefaultRecursiveTriggers)
                  {
                      cmd.CommandText = HelperMethods.StringFormat(CultureInfo.InvariantCulture, "PRAGMA recursive_triggers={0}", boolValue ? "ON" : "OFF");
                      cmd.ExecuteNonQuery();
                  }
              }
          }

          if (_progressHandler != null)
              _sql.SetProgressHook(_progressOps, _progressCallback);
................................................................................
            {
                if (sourceId == null)
                    sourceId = "0000000000000000000000000000000000000000";

                if (sourceTimeStamp == null)
                    sourceTimeStamp = "0000-00-00 00:00:00 UTC";

                return HelperMethods.StringFormat(
                    CultureInfo.InvariantCulture,
                    "{0} {1}", sourceId, sourceTimeStamp);
            }
            else
            {
                return null;
            }
................................................................................
            throw new InvalidOperationException("Database connection not valid for shutdown.");

        _sql.Close(true); /* NOTE: MUST be closed before shutdown. */
        SQLiteErrorCode rc = _sql.Shutdown();

#if !NET_COMPACT_20 && TRACE_CONNECTION
        if (rc != SQLiteErrorCode.Ok)
            System.Diagnostics.Trace.WriteLine(HelperMethods.StringFormat(
                CultureInfo.CurrentCulture,
                "Shutdown (Instance) Failed: {0}", rc));
#endif

        return rc;
    }

................................................................................
        )
    {
        SQLiteErrorCode rc = SQLite3.StaticShutdown(directories);

        if (rc != SQLiteErrorCode.Ok)
        {
#if !NET_COMPACT_20 && TRACE_CONNECTION
            System.Diagnostics.Trace.WriteLine(HelperMethods.StringFormat(
                CultureInfo.CurrentCulture,
                "Shutdown (Static) Failed: {0}", rc));
#endif

            if (!noThrow)
                throw new SQLiteException(rc, null);
        }
................................................................................

      tbl.BeginLoadData();

      if (String.IsNullOrEmpty(strCatalog)) strCatalog = "main";

      string master = (String.Compare(strCatalog, "temp", StringComparison.OrdinalIgnoreCase) == 0) ? _tempmasterdb : _masterdb;

      using (SQLiteCommand cmdTables = new SQLiteCommand(HelperMethods.StringFormat(CultureInfo.InvariantCulture, "SELECT * FROM [{0}].[{1}] WHERE [type] LIKE 'table' OR [type] LIKE 'view'", strCatalog, master), this))
      using (SQLiteDataReader rdTables = cmdTables.ExecuteReader())
      {
        while (rdTables.Read())
        {
          if (String.IsNullOrEmpty(strTable) || String.Compare(strTable, rdTables.GetString(2), StringComparison.OrdinalIgnoreCase) == 0)
          {
            try
            {
              using (SQLiteCommand cmd = new SQLiteCommand(HelperMethods.StringFormat(CultureInfo.InvariantCulture, "SELECT * FROM [{0}].[{1}]", strCatalog, rdTables.GetString(2)), this))
              using (SQLiteDataReader rd = (SQLiteDataReader)cmd.ExecuteReader(CommandBehavior.SchemaOnly))
              using (DataTable tblSchema = rd.GetSchemaTable(true, true))
              {
                foreach (DataRow schemaRow in tblSchema.Rows)
                {
                  if (String.Compare(schemaRow[SchemaTableColumn.ColumnName].ToString(), strColumn, StringComparison.OrdinalIgnoreCase) == 0
                    || strColumn == null)
................................................................................

      tbl.BeginLoadData();

      if (String.IsNullOrEmpty(strCatalog)) strCatalog = "main";

      string master = (String.Compare(strCatalog, "temp", StringComparison.OrdinalIgnoreCase) == 0) ? _tempmasterdb : _masterdb;

      using (SQLiteCommand cmdTables = new SQLiteCommand(HelperMethods.StringFormat(CultureInfo.InvariantCulture, "SELECT * FROM [{0}].[{1}] WHERE [type] LIKE 'table'", strCatalog, master), this))
      using (SQLiteDataReader rdTables = cmdTables.ExecuteReader())
      {
        while (rdTables.Read())
        {
          maybeRowId = false;
          primaryKeys.Clear();
          if (String.IsNullOrEmpty(strTable) || String.Compare(rdTables.GetString(2), strTable, StringComparison.OrdinalIgnoreCase) == 0)
          {
            // First, look for any rowid indexes -- which sqlite defines are INTEGER PRIMARY KEY columns.
            // Such indexes are not listed in the indexes list but count as indexes just the same.
            try
            {
              using (SQLiteCommand cmdTable = new SQLiteCommand(HelperMethods.StringFormat(CultureInfo.InvariantCulture, "PRAGMA [{0}].table_info([{1}])", strCatalog, rdTables.GetString(2)), this))
              using (SQLiteDataReader rdTable = cmdTable.ExecuteReader())
              {
                while (rdTable.Read())
                {
                  if (rdTable.GetInt32(5) != 0)
                  {
                    primaryKeys.Add(rdTable.GetInt32(0));
................................................................................
            {
              row = tbl.NewRow();

              row["TABLE_CATALOG"] = strCatalog;
              row["TABLE_NAME"] = rdTables.GetString(2);
              row["INDEX_CATALOG"] = strCatalog;
              row["PRIMARY_KEY"] = true;
              row["INDEX_NAME"] = HelperMethods.StringFormat(CultureInfo.InvariantCulture, "{1}_PK_{0}", rdTables.GetString(2), master);
              row["UNIQUE"] = true;

              if (String.Compare((string)row["INDEX_NAME"], strIndex, StringComparison.OrdinalIgnoreCase) == 0
              || strIndex == null)
              {
                tbl.Rows.Add(row);
              }
................................................................................

              primaryKeys.Clear();
            }

            // Now fetch all the rest of the indexes.
            try
            {
              using (SQLiteCommand cmd = new SQLiteCommand(HelperMethods.StringFormat(CultureInfo.InvariantCulture, "PRAGMA [{0}].index_list([{1}])", strCatalog, rdTables.GetString(2)), this))
              using (SQLiteDataReader rd = (SQLiteDataReader)cmd.ExecuteReader())
              {
                while (rd.Read())
                {
                  if (String.Compare(rd.GetString(1), strIndex, StringComparison.OrdinalIgnoreCase) == 0
                  || strIndex == null)
                  {
................................................................................
                    row["TABLE_NAME"] = rdTables.GetString(2);
                    row["INDEX_CATALOG"] = strCatalog;
                    row["INDEX_NAME"] = rd.GetString(1);
                    row["UNIQUE"] = SQLiteConvert.ToBoolean(rd.GetValue(2), CultureInfo.InvariantCulture, false);
                    row["PRIMARY_KEY"] = false;

                    // get the index definition
                    using (SQLiteCommand cmdIndexes = new SQLiteCommand(HelperMethods.StringFormat(CultureInfo.InvariantCulture, "SELECT * FROM [{0}].[{2}] WHERE [type] LIKE 'index' AND [name] LIKE '{1}'", strCatalog, rd.GetString(1).Replace("'", "''"), master), this))
                    using (SQLiteDataReader rdIndexes = cmdIndexes.ExecuteReader())
                    {
                      while (rdIndexes.Read())
                      {
                        if (rdIndexes.IsDBNull(4) == false)
                          row["INDEX_DEFINITION"] = rdIndexes.GetString(4);
                        break;
................................................................................
                    }

                    // Now for the really hard work.  Figure out which index is the primary key index.
                    // The only way to figure it out is to check if the index was an autoindex and if we have a non-rowid
                    // primary key, and all the columns in the given index match the primary key columns
                    if (primaryKeys.Count > 0 && rd.GetString(1).StartsWith("sqlite_autoindex_" + rdTables.GetString(2), StringComparison.InvariantCultureIgnoreCase) == true)
                    {
                      using (SQLiteCommand cmdDetails = new SQLiteCommand(HelperMethods.StringFormat(CultureInfo.InvariantCulture, "PRAGMA [{0}].index_info([{1}])", strCatalog, rd.GetString(1)), this))
                      using (SQLiteDataReader rdDetails = cmdDetails.ExecuteReader())
                      {
                        int nMatches = 0;
                        while (rdDetails.Read())
                        {
                          if (primaryKeys.Contains(rdDetails.GetInt32(1)) == false)
                          {
................................................................................

      tbl.BeginLoadData();

      if (String.IsNullOrEmpty(table)) table = null;
      if (String.IsNullOrEmpty(catalog)) catalog = "main";
      string master = (String.Compare(catalog, "temp", StringComparison.OrdinalIgnoreCase) == 0) ? _tempmasterdb : _masterdb;

      using (SQLiteCommand cmd = new SQLiteCommand(HelperMethods.StringFormat(CultureInfo.InvariantCulture, "SELECT [type], [name], [tbl_name], [rootpage], [sql], [rowid] FROM [{0}].[{1}] WHERE [type] LIKE 'trigger'", catalog, master), this))
      using (SQLiteDataReader rd = (SQLiteDataReader)cmd.ExecuteReader())
      {
        while (rd.Read())
        {
          if (String.Compare(rd.GetString(1), triggerName, StringComparison.OrdinalIgnoreCase) == 0
            || triggerName == null)
          {
................................................................................
      tbl.Columns.Add("TABLE_DEFINITION", typeof(string));
      tbl.BeginLoadData();

      if (String.IsNullOrEmpty(strCatalog)) strCatalog = "main";

      string master = (String.Compare(strCatalog, "temp", StringComparison.OrdinalIgnoreCase) == 0) ? _tempmasterdb : _masterdb;

      using (SQLiteCommand cmd = new SQLiteCommand(HelperMethods.StringFormat(CultureInfo.InvariantCulture, "SELECT [type], [name], [tbl_name], [rootpage], [sql], [rowid] FROM [{0}].[{1}] WHERE [type] LIKE 'table'", strCatalog, master), this))
      using (SQLiteDataReader rd = (SQLiteDataReader)cmd.ExecuteReader())
      {
        while (rd.Read())
        {
          strItem = rd.GetString(0);
          if (String.Compare(rd.GetString(2), 0, "SQLITE_", 0, 7, StringComparison.OrdinalIgnoreCase) == 0)
            strItem = "SYSTEM_TABLE";
................................................................................

      tbl.BeginLoadData();

      if (String.IsNullOrEmpty(strCatalog)) strCatalog = "main";

      string master = (String.Compare(strCatalog, "temp", StringComparison.OrdinalIgnoreCase) == 0) ? _tempmasterdb : _masterdb;

      using (SQLiteCommand cmd = new SQLiteCommand(HelperMethods.StringFormat(CultureInfo.InvariantCulture, "SELECT * FROM [{0}].[{1}] WHERE [type] LIKE 'view'", strCatalog, master), this))
      using (SQLiteDataReader rd = (SQLiteDataReader)cmd.ExecuteReader())
      {
        while (rd.Read())
        {
          if (String.Compare(rd.GetString(1), strView, StringComparison.OrdinalIgnoreCase) == 0
            || String.IsNullOrEmpty(strView))
          {
................................................................................

      if (String.IsNullOrEmpty(strCatalog)) strCatalog = "main";

      string master = (String.Compare(strCatalog, "temp", StringComparison.OrdinalIgnoreCase) == 0) ? _tempmasterdb : _masterdb;

      tbl.BeginLoadData();

      using (SQLiteCommand cmdTables = new SQLiteCommand(HelperMethods.StringFormat(CultureInfo.InvariantCulture, "SELECT * FROM [{0}].[{1}] WHERE [type] LIKE 'table'", strCatalog, master), this))
      using (SQLiteDataReader rdTables = cmdTables.ExecuteReader())
      {
        while (rdTables.Read())
        {
          maybeRowId = false;
          primaryKeys.Clear();
          if (String.IsNullOrEmpty(strTable) || String.Compare(rdTables.GetString(2), strTable, StringComparison.OrdinalIgnoreCase) == 0)
          {
            try
            {
              using (SQLiteCommand cmdTable = new SQLiteCommand(HelperMethods.StringFormat(CultureInfo.InvariantCulture, "PRAGMA [{0}].table_info([{1}])", strCatalog, rdTables.GetString(2)), this))
              using (SQLiteDataReader rdTable = cmdTable.ExecuteReader())
              {
                while (rdTable.Read())
                {
                  if (rdTable.GetInt32(5) == 1) // is a primary key
                  {
                    primaryKeys.Add(new KeyValuePair<int, string>(rdTable.GetInt32(0), rdTable.GetString(1)));
................................................................................
            {
            }
            // This is a rowid row
            if (primaryKeys.Count == 1 && maybeRowId == true)
            {
              row = tbl.NewRow();
              row["CONSTRAINT_CATALOG"] = strCatalog;
              row["CONSTRAINT_NAME"] = HelperMethods.StringFormat(CultureInfo.InvariantCulture, "{1}_PK_{0}", rdTables.GetString(2), master);
              row["TABLE_CATALOG"] = strCatalog;
              row["TABLE_NAME"] = rdTables.GetString(2);
              row["COLUMN_NAME"] = primaryKeys[0].Value;
              row["INDEX_NAME"] = row["CONSTRAINT_NAME"];
              row["ORDINAL_POSITION"] = 0; // primaryKeys[0].Key;
              row["COLLATION_NAME"] = "BINARY";
              row["SORT_MODE"] = "ASC";
              row["CONFLICT_OPTION"] = 2;

              if (String.IsNullOrEmpty(strIndex) || String.Compare(strIndex, (string)row["INDEX_NAME"], StringComparison.OrdinalIgnoreCase) == 0)
                tbl.Rows.Add(row);
            }

            using (SQLiteCommand cmdIndexes = new SQLiteCommand(HelperMethods.StringFormat(CultureInfo.InvariantCulture, "SELECT * FROM [{0}].[{2}] WHERE [type] LIKE 'index' AND [tbl_name] LIKE '{1}'", strCatalog, rdTables.GetString(2).Replace("'", "''"), master), this))
            using (SQLiteDataReader rdIndexes = cmdIndexes.ExecuteReader())
            {
              while (rdIndexes.Read())
              {
                int ordinal = 0;
                if (String.IsNullOrEmpty(strIndex) || String.Compare(strIndex, rdIndexes.GetString(1), StringComparison.OrdinalIgnoreCase) == 0)
                {
                  try
                  {
                    using (SQLiteCommand cmdIndex = new SQLiteCommand(HelperMethods.StringFormat(CultureInfo.InvariantCulture, "PRAGMA [{0}].index_info([{1}])", strCatalog, rdIndexes.GetString(1)), this))
                    using (SQLiteDataReader rdIndex = cmdIndex.ExecuteReader())
                    {
                      while (rdIndex.Read())
                      {
                        string columnName = rdIndex.IsDBNull(2) ? null : rdIndex.GetString(2);

                        row = tbl.NewRow();
................................................................................

      if (String.IsNullOrEmpty(strCatalog)) strCatalog = "main";

      string master = (String.Compare(strCatalog, "temp", StringComparison.OrdinalIgnoreCase) == 0) ? _tempmasterdb : _masterdb;

      tbl.BeginLoadData();

      using (SQLiteCommand cmdViews = new SQLiteCommand(HelperMethods.StringFormat(CultureInfo.InvariantCulture, "SELECT * FROM [{0}].[{1}] WHERE [type] LIKE 'view'", strCatalog, master), this))
      using (SQLiteDataReader rdViews = cmdViews.ExecuteReader())
      {
        while (rdViews.Read())
        {
          if (String.IsNullOrEmpty(strView) || String.Compare(strView, rdViews.GetString(2), StringComparison.OrdinalIgnoreCase) == 0)
          {
            using (SQLiteCommand cmdViewSelect = new SQLiteCommand(HelperMethods.StringFormat(CultureInfo.InvariantCulture, "SELECT * FROM [{0}].[{1}]", strCatalog, rdViews.GetString(2)), this))
            {
              strSql = rdViews.GetString(4).Replace('\r', ' ').Replace('\n', ' ').Replace('\t', ' ');
              n = CultureInfo.InvariantCulture.CompareInfo.IndexOf(strSql, " AS ", CompareOptions.IgnoreCase);
              if (n < 0)
                continue;

              strSql = strSql.Substring(n + 4);
................................................................................

      if (String.IsNullOrEmpty(strCatalog)) strCatalog = "main";

      string master = (String.Compare(strCatalog, "temp", StringComparison.OrdinalIgnoreCase) == 0) ? _tempmasterdb : _masterdb;

      tbl.BeginLoadData();

      using (SQLiteCommand cmdTables = new SQLiteCommand(HelperMethods.StringFormat(CultureInfo.InvariantCulture, "SELECT * FROM [{0}].[{1}] WHERE [type] LIKE 'table'", strCatalog, master), this))
      using (SQLiteDataReader rdTables = cmdTables.ExecuteReader())
      {
        while (rdTables.Read())
        {
          if (String.IsNullOrEmpty(strTable) || String.Compare(strTable, rdTables.GetString(2), StringComparison.OrdinalIgnoreCase) == 0)
          {
            try
            {
              using (SQLiteCommandBuilder builder = new SQLiteCommandBuilder())
              using (SQLiteCommand cmdKey = new SQLiteCommand(HelperMethods.StringFormat(CultureInfo.InvariantCulture, "PRAGMA [{0}].foreign_key_list([{1}])", strCatalog, rdTables.GetString(2)), this))
              using (SQLiteDataReader rdKey = cmdKey.ExecuteReader())
              {
                while (rdKey.Read())
                {
                  row = tbl.NewRow();
                  row["CONSTRAINT_CATALOG"] = strCatalog;
                  row["CONSTRAINT_NAME"] = HelperMethods.StringFormat(CultureInfo.InvariantCulture, "FK_{0}_{1}_{2}", rdTables[2], rdKey.GetInt32(0), rdKey.GetInt32(1));
                  row["TABLE_CATALOG"] = strCatalog;
                  row["TABLE_NAME"] = builder.UnquoteIdentifier(rdTables.GetString(2));
                  row["CONSTRAINT_TYPE"] = "FOREIGN KEY";
                  row["IS_DEFERRABLE"] = false;
                  row["INITIALLY_DEFERRED"] = false;
                  row["FKEY_ID"] = rdKey[0];
                  row["FKEY_FROM_COLUMN"] = builder.UnquoteIdentifier(rdKey[3].ToString());
................................................................................
        {
            try
            {
                if ((_flags & SQLiteConnectionFlags.LogCallbackException) ==
                        SQLiteConnectionFlags.LogCallbackException)
                {
                    SQLiteLog.LogMessage(SQLiteBase.COR_E_EXCEPTION,
                        HelperMethods.StringFormat(CultureInfo.CurrentCulture,
                        "Caught exception in \"Progress\" method: {1}",
                        e)); /* throw */
                }
            }
            catch
            {
                // do nothing.
................................................................................
        {
            try
            {
                if ((_flags & SQLiteConnectionFlags.LogCallbackException) ==
                        SQLiteConnectionFlags.LogCallbackException)
                {
                    SQLiteLog.LogMessage(SQLiteBase.COR_E_EXCEPTION,
                        HelperMethods.StringFormat(CultureInfo.CurrentCulture,
                        "Caught exception in \"Authorize\" method: {1}",
                        e)); /* throw */
                }
            }
            catch
            {
                // do nothing.
................................................................................
        {
            try
            {
                if ((_flags & SQLiteConnectionFlags.LogCallbackException) ==
                        SQLiteConnectionFlags.LogCallbackException)
                {
                    SQLiteLog.LogMessage(SQLiteBase.COR_E_EXCEPTION,
                        HelperMethods.StringFormat(CultureInfo.CurrentCulture,
                        "Caught exception in \"Update\" method: {1}",
                        e)); /* throw */
                }
            }
            catch
            {
                // do nothing.
................................................................................
        {
            try
            {
                if ((_flags & SQLiteConnectionFlags.LogCallbackException) ==
                        SQLiteConnectionFlags.LogCallbackException)
                {
                    SQLiteLog.LogMessage(SQLiteBase.COR_E_EXCEPTION,
                        HelperMethods.StringFormat(CultureInfo.CurrentCulture,
                        "Caught exception in \"Trace\" method: {1}",
                        e)); /* throw */
                }
            }
            catch
            {
                // do nothing.
................................................................................
        {
            try
            {
                if ((_flags & SQLiteConnectionFlags.LogCallbackException) ==
                        SQLiteConnectionFlags.LogCallbackException)
                {
                    SQLiteLog.LogMessage(SQLiteBase.COR_E_EXCEPTION,
                        HelperMethods.StringFormat(CultureInfo.CurrentCulture,
                        "Caught exception in \"Commit\" method: {1}",
                        e)); /* throw */
                }
            }
            catch
            {
                // do nothing.
................................................................................
        {
            try
            {
                if ((_flags & SQLiteConnectionFlags.LogCallbackException) ==
                        SQLiteConnectionFlags.LogCallbackException)
                {
                    SQLiteLog.LogMessage(SQLiteBase.COR_E_EXCEPTION,
                        HelperMethods.StringFormat(CultureInfo.CurrentCulture,
                        "Caught exception in \"Rollback\" method: {1}",
                        e)); /* throw */
                }
            }
            catch
            {
                // do nothing.

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

1148
1149
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            case TypeCode.Decimal:
                return ((decimal)obj) != Decimal.Zero ? true : false;
            case TypeCode.String:
                return viaFramework ?
                    Convert.ToBoolean(obj, provider) :
                    ToBoolean(ToStringWithProvider(obj, provider));
            default:
                throw new SQLiteException(UnsafeNativeMethods.StringFormat(
                    CultureInfo.CurrentCulture,
                    "Cannot convert type {0} to boolean",
                    typeCode));
        }
    }

    /// <summary>
................................................................................
        DbType dbType,
        SQLiteConnectionFlags flags,
        string typeName
        )
    {
        if ((flags & SQLiteConnectionFlags.TraceWarning) == SQLiteConnectionFlags.TraceWarning)
        {
            Trace.WriteLine(UnsafeNativeMethods.StringFormat(
                CultureInfo.CurrentCulture,
                "WARNING: Type mapping failed, returning default name \"{0}\" for type {1}.",
                typeName, dbType));
        }
    }

    /// <summary>
................................................................................
        SQLiteConnectionFlags flags,
        DbType? dbType
        )
    {
        if (!String.IsNullOrEmpty(typeName) &&
            ((flags & SQLiteConnectionFlags.TraceWarning) == SQLiteConnectionFlags.TraceWarning))
        {
            Trace.WriteLine(UnsafeNativeMethods.StringFormat(
                CultureInfo.CurrentCulture,
                "WARNING: Type mapping failed, returning default type {0} for name \"{1}\".",
                dbType, typeName));
        }
    }
#endif








|







 







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1148
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            case TypeCode.Decimal:
                return ((decimal)obj) != Decimal.Zero ? true : false;
            case TypeCode.String:
                return viaFramework ?
                    Convert.ToBoolean(obj, provider) :
                    ToBoolean(ToStringWithProvider(obj, provider));
            default:
                throw new SQLiteException(HelperMethods.StringFormat(
                    CultureInfo.CurrentCulture,
                    "Cannot convert type {0} to boolean",
                    typeCode));
        }
    }

    /// <summary>
................................................................................
        DbType dbType,
        SQLiteConnectionFlags flags,
        string typeName
        )
    {
        if ((flags & SQLiteConnectionFlags.TraceWarning) == SQLiteConnectionFlags.TraceWarning)
        {
            Trace.WriteLine(HelperMethods.StringFormat(
                CultureInfo.CurrentCulture,
                "WARNING: Type mapping failed, returning default name \"{0}\" for type {1}.",
                typeName, dbType));
        }
    }

    /// <summary>
................................................................................
        SQLiteConnectionFlags flags,
        DbType? dbType
        )
    {
        if (!String.IsNullOrEmpty(typeName) &&
            ((flags & SQLiteConnectionFlags.TraceWarning) == SQLiteConnectionFlags.TraceWarning))
        {
            Trace.WriteLine(HelperMethods.StringFormat(
                CultureInfo.CurrentCulture,
                "WARNING: Type mapping failed, returning default type {0} for name \"{1}\".",
                dbType, typeName));
        }
    }
#endif

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

1123
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1125
1126
1127
1128
1129
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1131
1132
1133
1134
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              }
            }
          }

          if (wantDefaultValue)
          {
            // Determine the default value for the column, which sucks because we have to query the schema for each column
            using (SQLiteCommand cmdTable = new SQLiteCommand(UnsafeNativeMethods.StringFormat(CultureInfo.InvariantCulture, "PRAGMA [{0}].TABLE_INFO([{1}])",
              row[SchemaTableOptionalColumn.BaseCatalogName],
              row[SchemaTableColumn.BaseTableName]
              ), _command.Connection))
            using (DbDataReader rdTable = cmdTable.ExecuteReader())
            {
              // Find the matching column
              while (rdTable.Read())







|







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1125
1126
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1129
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              }
            }
          }

          if (wantDefaultValue)
          {
            // Determine the default value for the column, which sucks because we have to query the schema for each column
            using (SQLiteCommand cmdTable = new SQLiteCommand(HelperMethods.StringFormat(CultureInfo.InvariantCulture, "PRAGMA [{0}].TABLE_INFO([{1}])",
              row[SchemaTableOptionalColumn.BaseCatalogName],
              row[SchemaTableColumn.BaseTableName]
              ), _command.Connection))
            using (DbDataReader rdTable = cmdTable.ExecuteReader())
            {
              // Find the matching column
              while (rdTable.Read())

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

91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
        // NOTE: When in "strict" mode, throw an exception if the isolation
        //       level is not recognized; otherwise, fallback to the default
        //       isolation level specified by the caller.
        //
        if (throwOnUnsupported)
        {
            throw new InvalidOperationException(
                UnsafeNativeMethods.StringFormat(CultureInfo.CurrentCulture,
                "unsupported isolation level {0}", isolationLevel));
        }

        return defaultIsolationLevel;
    }

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







|







91
92
93
94
95
96
97
98
99
100
101
102
103
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105
        // NOTE: When in "strict" mode, throw an exception if the isolation
        //       level is not recognized; otherwise, fallback to the default
        //       isolation level specified by the caller.
        //
        if (throwOnUnsupported)
        {
            throw new InvalidOperationException(
                HelperMethods.StringFormat(CultureInfo.CurrentCulture,
                "unsupported isolation level {0}", isolationLevel));
        }

        return defaultIsolationLevel;
    }

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

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

179
180
181
182
183
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185
186
187
188
189
190
191
192
193
    /// <param name="message">Optional detailed error message.</param>
    /// <returns>Error message text for the return code.</returns>
    private static string GetStockErrorMessage(
        SQLiteErrorCode errorCode,
        string message
        )
    {
        return UnsafeNativeMethods.StringFormat(
            CultureInfo.CurrentCulture,
            "{0}{1}{2}",
            GetErrorString(errorCode),
#if !NET_COMPACT_20
            Environment.NewLine, message).Trim();
#else
            "\r\n", message).Trim();







|







179
180
181
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183
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185
186
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188
189
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193
    /// <param name="message">Optional detailed error message.</param>
    /// <returns>Error message text for the return code.</returns>
    private static string GetStockErrorMessage(
        SQLiteErrorCode errorCode,
        string message
        )
    {
        return HelperMethods.StringFormat(
            CultureInfo.CurrentCulture,
            "{0}{1}{2}",
            GetErrorString(errorCode),
#if !NET_COMPACT_20
            Environment.NewLine, message).Trim();
#else
            "\r\n", message).Trim();

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

416
417
418
419
420
421
422
423
424
425
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        {
            try
            {
                if ((_flags & SQLiteConnectionFlags.LogCallbackException) ==
                        SQLiteConnectionFlags.LogCallbackException)
                {
                    SQLiteLog.LogMessage(SQLiteBase.COR_E_EXCEPTION,
                        UnsafeNativeMethods.StringFormat(CultureInfo.CurrentCulture,
                        "Caught exception in \"Invoke\" method: {0}",
                        e)); /* throw */
                }
            }
            catch
            {
                // do nothing.
................................................................................
        {
            try
            {
                if ((_flags & SQLiteConnectionFlags.LogCallbackException) ==
                        SQLiteConnectionFlags.LogCallbackException)
                {
                    SQLiteLog.LogMessage(SQLiteBase.COR_E_EXCEPTION,
                        UnsafeNativeMethods.StringFormat(CultureInfo.CurrentCulture,
                        "Caught exception in \"Compare\" (UTF8) method: {0}",
                        e)); /* throw */
                }
            }
            catch
            {
                // do nothing.
................................................................................
        {
            try
            {
                if ((_flags & SQLiteConnectionFlags.LogCallbackException) ==
                        SQLiteConnectionFlags.LogCallbackException)
                {
                    SQLiteLog.LogMessage(SQLiteBase.COR_E_EXCEPTION,
                        UnsafeNativeMethods.StringFormat(CultureInfo.CurrentCulture,
                        "Caught exception in \"Compare\" (UTF16) method: {0}",
                        e)); /* throw */
                }
            }
            catch
            {
                // do nothing.
................................................................................
        {
            try
            {
                if ((_flags & SQLiteConnectionFlags.LogCallbackException) ==
                        SQLiteConnectionFlags.LogCallbackException)
                {
                    SQLiteLog.LogMessage(SQLiteBase.COR_E_EXCEPTION,
                        UnsafeNativeMethods.StringFormat(CultureInfo.CurrentCulture,
                        "Caught exception in \"Step\" method: {1}",
                        e)); /* throw */
                }
            }
            catch
            {
                // do nothing.
................................................................................
        {
            try
            {
                if ((_flags & SQLiteConnectionFlags.LogCallbackException) ==
                        SQLiteConnectionFlags.LogCallbackException)
                {
                    SQLiteLog.LogMessage(SQLiteBase.COR_E_EXCEPTION,
                        UnsafeNativeMethods.StringFormat(CultureInfo.CurrentCulture,
                        "Caught exception in \"Final\" method: {1}",
                        e)); /* throw */
                }
            }
            catch
            {
                // do nothing.
................................................................................
      public override object Invoke(
          object[] args /* in */
          )
      {
          if (callback1 == null)
          {
              throw new InvalidOperationException(
                  UnsafeNativeMethods.StringFormat(
                  CultureInfo.CurrentCulture,
                  NoCallbackError, "Invoke"));
          }

          SQLiteInvokeDelegate invokeDelegate =
              callback1 as SQLiteInvokeDelegate;

................................................................................
          int stepNumber,        /* in */
          ref object contextData /* in, out */
          )
      {
          if (callback1 == null)
          {
              throw new InvalidOperationException(
                  UnsafeNativeMethods.StringFormat(
                  CultureInfo.CurrentCulture,
                  NoCallbackError, "Step"));
          }

          SQLiteStepDelegate stepDelegate = callback1 as SQLiteStepDelegate;

          if (stepDelegate != null)
................................................................................
      public override object Final(
          object contextData /* in */
          )
      {
          if (callback2 == null)
          {
              throw new InvalidOperationException(
                  UnsafeNativeMethods.StringFormat(
                  CultureInfo.CurrentCulture,
                  NoCallbackError, "Final"));
          }

          SQLiteFinalDelegate finalDelegate = callback2 as SQLiteFinalDelegate;

          if (finalDelegate != null)
................................................................................
          string param1, /* in */
          string param2  /* in */
          )
      {
          if (callback1 == null)
          {
              throw new InvalidOperationException(
                  UnsafeNativeMethods.StringFormat(
                  CultureInfo.CurrentCulture,
                  NoCallbackError, "Compare"));
          }

          SQLiteCompareDelegate compareDelegate =
              callback1 as SQLiteCompareDelegate;

................................................................................
              object result = callback1.DynamicInvoke(GetCompareArgs(
                  param1, param2, false)); /* throw */

              if (result is int)
                  return (int)result;

              throw new InvalidOperationException(
                  UnsafeNativeMethods.StringFormat(
                  CultureInfo.CurrentCulture,
                  ResultInt32Error, "Compare"));
#else
              throw new NotImplementedException();
#endif
          }
      }







|







 







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|







 







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459
460
461
462
463
464
465
466
467
468
...
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
...
574
575
576
577
578
579
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581
582
583
584
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586
587
588
...
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
....
1545
1546
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1548
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1550
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1555
1556
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1558
1559
....
1595
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1597
1598
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1600
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1602
1603
1604
1605
1606
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1608
1609
....
1644
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....
1694
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....
1717
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1722
1723
1724
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1726
1727
1728
1729
1730
1731
        {
            try
            {
                if ((_flags & SQLiteConnectionFlags.LogCallbackException) ==
                        SQLiteConnectionFlags.LogCallbackException)
                {
                    SQLiteLog.LogMessage(SQLiteBase.COR_E_EXCEPTION,
                        HelperMethods.StringFormat(CultureInfo.CurrentCulture,
                        "Caught exception in \"Invoke\" method: {0}",
                        e)); /* throw */
                }
            }
            catch
            {
                // do nothing.
................................................................................
        {
            try
            {
                if ((_flags & SQLiteConnectionFlags.LogCallbackException) ==
                        SQLiteConnectionFlags.LogCallbackException)
                {
                    SQLiteLog.LogMessage(SQLiteBase.COR_E_EXCEPTION,
                        HelperMethods.StringFormat(CultureInfo.CurrentCulture,
                        "Caught exception in \"Compare\" (UTF8) method: {0}",
                        e)); /* throw */
                }
            }
            catch
            {
                // do nothing.
................................................................................
        {
            try
            {
                if ((_flags & SQLiteConnectionFlags.LogCallbackException) ==
                        SQLiteConnectionFlags.LogCallbackException)
                {
                    SQLiteLog.LogMessage(SQLiteBase.COR_E_EXCEPTION,
                        HelperMethods.StringFormat(CultureInfo.CurrentCulture,
                        "Caught exception in \"Compare\" (UTF16) method: {0}",
                        e)); /* throw */
                }
            }
            catch
            {
                // do nothing.
................................................................................
        {
            try
            {
                if ((_flags & SQLiteConnectionFlags.LogCallbackException) ==
                        SQLiteConnectionFlags.LogCallbackException)
                {
                    SQLiteLog.LogMessage(SQLiteBase.COR_E_EXCEPTION,
                        HelperMethods.StringFormat(CultureInfo.CurrentCulture,
                        "Caught exception in \"Step\" method: {1}",
                        e)); /* throw */
                }
            }
            catch
            {
                // do nothing.
................................................................................
        {
            try
            {
                if ((_flags & SQLiteConnectionFlags.LogCallbackException) ==
                        SQLiteConnectionFlags.LogCallbackException)
                {
                    SQLiteLog.LogMessage(SQLiteBase.COR_E_EXCEPTION,
                        HelperMethods.StringFormat(CultureInfo.CurrentCulture,
                        "Caught exception in \"Final\" method: {1}",
                        e)); /* throw */
                }
            }
            catch
            {
                // do nothing.
................................................................................
      public override object Invoke(
          object[] args /* in */
          )
      {
          if (callback1 == null)
          {
              throw new InvalidOperationException(
                  HelperMethods.StringFormat(
                  CultureInfo.CurrentCulture,
                  NoCallbackError, "Invoke"));
          }

          SQLiteInvokeDelegate invokeDelegate =
              callback1 as SQLiteInvokeDelegate;

................................................................................
          int stepNumber,        /* in */
          ref object contextData /* in, out */
          )
      {
          if (callback1 == null)
          {
              throw new InvalidOperationException(
                  HelperMethods.StringFormat(
                  CultureInfo.CurrentCulture,
                  NoCallbackError, "Step"));
          }

          SQLiteStepDelegate stepDelegate = callback1 as SQLiteStepDelegate;

          if (stepDelegate != null)
................................................................................
      public override object Final(
          object contextData /* in */
          )
      {
          if (callback2 == null)
          {
              throw new InvalidOperationException(
                  HelperMethods.StringFormat(
                  CultureInfo.CurrentCulture,
                  NoCallbackError, "Final"));
          }

          SQLiteFinalDelegate finalDelegate = callback2 as SQLiteFinalDelegate;

          if (finalDelegate != null)
................................................................................
          string param1, /* in */
          string param2  /* in */
          )
      {
          if (callback1 == null)
          {
              throw new InvalidOperationException(
                  HelperMethods.StringFormat(
                  CultureInfo.CurrentCulture,
                  NoCallbackError, "Compare"));
          }

          SQLiteCompareDelegate compareDelegate =
              callback1 as SQLiteCompareDelegate;

................................................................................
              object result = callback1.DynamicInvoke(GetCompareArgs(
                  param1, param2, false)); /* throw */

              if (result is int)
                  return (int)result;

              throw new InvalidOperationException(
                  HelperMethods.StringFormat(
                  CultureInfo.CurrentCulture,
                  ResultInt32Error, "Compare"));
#else
              throw new NotImplementedException();
#endif
          }
      }

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

54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
            {
                _command = cnn.CreateCommand();
                for (int n = 0; n < columns.Length; n++)
                {
                    columns[n] = builder.QuoteIdentifier(columns[n]);
                }
            }
            _command.CommandText = UnsafeNativeMethods.StringFormat(CultureInfo.InvariantCulture, "SELECT {0} FROM [{1}].[{2}] WHERE ROWID = ?", String.Join(",", columns), database, table);
            _command.Parameters.AddWithValue(null, (long)0);
        }

        internal bool IsValid
        {
            set
            {







|







54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
            {
                _command = cnn.CreateCommand();
                for (int n = 0; n < columns.Length; n++)
                {
                    columns[n] = builder.QuoteIdentifier(columns[n]);
                }
            }
            _command.CommandText = HelperMethods.StringFormat(CultureInfo.InvariantCulture, "SELECT {0} FROM [{1}].[{2}] WHERE ROWID = ?", String.Join(",", columns), database, table);
            _command.Parameters.AddWithValue(null, (long)0);
        }

        internal bool IsValid
        {
            set
            {

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

555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
            {
                type = "trace";
            }

            if ((errorCode != null) &&
                !Object.ReferenceEquals(errorCode, String.Empty))
            {
                Trace.WriteLine(UnsafeNativeMethods.StringFormat(
                    CultureInfo.CurrentCulture, "SQLite {0} ({1}): {2}",
                    type, errorCode, message));
            }
            else
            {
                Trace.WriteLine(UnsafeNativeMethods.StringFormat(
                    CultureInfo.CurrentCulture, "SQLite {0}: {1}",
                    type, message));
            }
#endif
        }
    }
}







|





|







555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
            {
                type = "trace";
            }

            if ((errorCode != null) &&
                !Object.ReferenceEquals(errorCode, String.Empty))
            {
                Trace.WriteLine(HelperMethods.StringFormat(
                    CultureInfo.CurrentCulture, "SQLite {0} ({1}): {2}",
                    type, errorCode, message));
            }
            else
            {
                Trace.WriteLine(HelperMethods.StringFormat(
                    CultureInfo.CurrentCulture, "SQLite {0}: {1}",
                    type, message));
            }
#endif
        }
    }
}

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

5553
5554
5555
5556
5557
5558
5559
5560
5561
5562
5563
5564
5565
5566
5567
....
5613
5614
5615
5616
5617
5618
5619
5620
5621
5622
5623
5624
5625
5626
5627
....
5661
5662
5663
5664
5665
5666
5667
5668
5669
5670
5671
5672
5673
5674
5675
....
6063
6064
6065
6066
6067
6068
6069
6070
6071
6072
6073
6074
6075
6076
6077
....
6157
6158
6159
6160
6161
6162
6163
6164
6165
6166
6167
6168
6169
6170
6171
....
6243
6244
6245
6246
6247
6248
6249
6250
6251
6252
6253
6254
6255
6256
6257
....
8117
8118
8119
8120
8121
8122
8123
8124
8125
8126
8127
8128
8129
8130
8131
                //
                try
                {
                    if (LogExceptionsNoThrow)
                    {
                        /* throw */
                        SQLiteLog.LogMessage(SQLiteBase.COR_E_EXCEPTION,
                            UnsafeNativeMethods.StringFormat(
                            CultureInfo.CurrentCulture,
                            "Caught exception in \"{0}\" method: {1}",
                            destroy ? "xDestroy" : "xDisconnect", e));
                    }
                }
                catch
                {
................................................................................
            )
        {
            try
            {
                if (logErrors)
                {
                    SQLiteLog.LogMessage(SQLiteErrorCode.Error,
                        UnsafeNativeMethods.StringFormat(
                        CultureInfo.CurrentCulture,
                        "Virtual table error: {0}", error)); /* throw */
                }
            }
            catch
            {
                // do nothing.
................................................................................
            catch (Exception e) /* NOTE: Must catch ALL. */
            {
                try
                {
                    if (logExceptions)
                    {
                        SQLiteLog.LogMessage(SQLiteBase.COR_E_EXCEPTION,
                            UnsafeNativeMethods.StringFormat(
                            CultureInfo.CurrentCulture,
                            "Caught exception in \"SetTableError\" method: {0}",
                            e)); /* throw */
                    }
                }
                catch
                {
................................................................................

            if ((tables != null) &&
                tables.TryGetValue(pVtab, out table))
            {
                return table;
            }

            SetTableError(pVtab, UnsafeNativeMethods.StringFormat(
                CultureInfo.CurrentCulture,
                "managed table for {0} not found", pVtab));

            return null;
        }

        ///////////////////////////////////////////////////////////////////////
................................................................................

            if ((cursors != null) &&
                cursors.TryGetValue(pCursor, out cursor))
            {
                return cursor;
            }

            SetTableError(pVtab, UnsafeNativeMethods.StringFormat(
                CultureInfo.CurrentCulture,
                "managed cursor for {0} not found", pCursor));

            return null;
        }

        ///////////////////////////////////////////////////////////////////////
................................................................................
        /// </returns>
        protected virtual string GetFunctionKey(
            int argumentCount,
            string name,
            SQLiteFunction function
            )
        {
            return UnsafeNativeMethods.StringFormat(
                CultureInfo.InvariantCulture,
                "{0}:{1}", argumentCount, name);
        }
        #endregion

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

................................................................................
                catch (Exception e)
                {
                    try
                    {
                        if (LogExceptionsNoThrow)
                        {
                            SQLiteLog.LogMessage(SQLiteBase.COR_E_EXCEPTION,
                                UnsafeNativeMethods.StringFormat(
                                CultureInfo.CurrentCulture,
                                "Caught exception in \"Dispose\" method: {0}",
                                e)); /* throw */
                        }
                    }
                    catch
                    {







|







 







|







 







|







 







|







 







|







 







|







 







|







5553
5554
5555
5556
5557
5558
5559
5560
5561
5562
5563
5564
5565
5566
5567
....
5613
5614
5615
5616
5617
5618
5619
5620
5621
5622
5623
5624
5625
5626
5627
....
5661
5662
5663
5664
5665
5666
5667
5668
5669
5670
5671
5672
5673
5674
5675
....
6063
6064
6065
6066
6067
6068
6069
6070
6071
6072
6073
6074
6075
6076
6077
....
6157
6158
6159
6160
6161
6162
6163
6164
6165
6166
6167
6168
6169
6170
6171
....
6243
6244
6245
6246
6247
6248
6249
6250
6251
6252
6253
6254
6255
6256
6257
....
8117
8118
8119
8120
8121
8122
8123
8124
8125
8126
8127
8128
8129
8130
8131
                //
                try
                {
                    if (LogExceptionsNoThrow)
                    {
                        /* throw */
                        SQLiteLog.LogMessage(SQLiteBase.COR_E_EXCEPTION,
                            HelperMethods.StringFormat(
                            CultureInfo.CurrentCulture,
                            "Caught exception in \"{0}\" method: {1}",
                            destroy ? "xDestroy" : "xDisconnect", e));
                    }
                }
                catch
                {
................................................................................
            )
        {
            try
            {
                if (logErrors)
                {
                    SQLiteLog.LogMessage(SQLiteErrorCode.Error,
                        HelperMethods.StringFormat(
                        CultureInfo.CurrentCulture,
                        "Virtual table error: {0}", error)); /* throw */
                }
            }
            catch
            {
                // do nothing.
................................................................................
            catch (Exception e) /* NOTE: Must catch ALL. */
            {
                try
                {
                    if (logExceptions)
                    {
                        SQLiteLog.LogMessage(SQLiteBase.COR_E_EXCEPTION,
                            HelperMethods.StringFormat(
                            CultureInfo.CurrentCulture,
                            "Caught exception in \"SetTableError\" method: {0}",
                            e)); /* throw */
                    }
                }
                catch
                {
................................................................................

            if ((tables != null) &&
                tables.TryGetValue(pVtab, out table))
            {
                return table;
            }

            SetTableError(pVtab, HelperMethods.StringFormat(
                CultureInfo.CurrentCulture,
                "managed table for {0} not found", pVtab));

            return null;
        }

        ///////////////////////////////////////////////////////////////////////
................................................................................

            if ((cursors != null) &&
                cursors.TryGetValue(pCursor, out cursor))
            {
                return cursor;
            }

            SetTableError(pVtab, HelperMethods.StringFormat(
                CultureInfo.CurrentCulture,
                "managed cursor for {0} not found", pCursor));

            return null;
        }

        ///////////////////////////////////////////////////////////////////////
................................................................................
        /// </returns>
        protected virtual string GetFunctionKey(
            int argumentCount,
            string name,
            SQLiteFunction function
            )
        {
            return HelperMethods.StringFormat(
                CultureInfo.InvariantCulture,
                "{0}:{1}", argumentCount, name);
        }
        #endregion

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

................................................................................
                catch (Exception e)
                {
                    try
                    {
                        if (LogExceptionsNoThrow)
                        {
                            SQLiteLog.LogMessage(SQLiteBase.COR_E_EXCEPTION,
                                HelperMethods.StringFormat(
                                CultureInfo.CurrentCulture,
                                "Caught exception in \"Dispose\" method: {0}",
                                e)); /* throw */
                        }
                    }
                    catch
                    {

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

20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
...
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
    {
        #region Private Constants
        /// <summary>
        /// The CREATE TABLE statement used to declare the schema for the
        /// virtual table.
        /// </summary>
        private static readonly string declareSql =
            UnsafeNativeMethods.StringFormat(
                CultureInfo.InvariantCulture, "CREATE TABLE {0}(x);",
                typeof(SQLiteModuleCommon).Name);
        #endregion

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

        #region Private Data
................................................................................
        protected virtual SQLiteErrorCode CursorTypeMismatchError(
            SQLiteVirtualTableCursor cursor,
            Type type
            )
        {
            if (type != null)
            {
                SetCursorError(cursor, UnsafeNativeMethods.StringFormat(
                    CultureInfo.CurrentCulture, "not a \"{0}\" cursor",
                    type));
            }
            else
            {
                SetCursorError(cursor, "cursor type mismatch");
            }







|







 







|







20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
...
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
    {
        #region Private Constants
        /// <summary>
        /// The CREATE TABLE statement used to declare the schema for the
        /// virtual table.
        /// </summary>
        private static readonly string declareSql =
            HelperMethods.StringFormat(
                CultureInfo.InvariantCulture, "CREATE TABLE {0}(x);",
                typeof(SQLiteModuleCommon).Name);
        #endregion

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

        #region Private Data
................................................................................
        protected virtual SQLiteErrorCode CursorTypeMismatchError(
            SQLiteVirtualTableCursor cursor,
            Type type
            )
        {
            if (type != null)
            {
                SetCursorError(cursor, HelperMethods.StringFormat(
                    CultureInfo.CurrentCulture, "not a \"{0}\" cursor",
                    type));
            }
            else
            {
                SetCursorError(cursor, "cursor type mismatch");
            }

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

499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
...
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
...
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
            SQLiteIndex index
            )
        {
            CheckDisposed();

            if (!table.BestIndex(index))
            {
                SetTableError(table, UnsafeNativeMethods.StringFormat(
                    CultureInfo.CurrentCulture,
                    "failed to select best index for virtual table \"{0}\"",
                    table.TableName));

                return SQLiteErrorCode.Error;
            }

................................................................................
            SQLiteVirtualTable table,
            SQLiteValue[] values,
            ref long rowId
            )
        {
            CheckDisposed();

            SetTableError(table, UnsafeNativeMethods.StringFormat(
                CultureInfo.CurrentCulture,
                "virtual table \"{0}\" is read-only", table.TableName));

            return SQLiteErrorCode.Error;
        }

        ///////////////////////////////////////////////////////////////////////
................................................................................
            string newName
            )
        {
            CheckDisposed();

            if (!table.Rename(newName))
            {
                SetTableError(table, UnsafeNativeMethods.StringFormat(
                    CultureInfo.CurrentCulture,
                    "failed to rename virtual table from \"{0}\" to \"{1}\"",
                    table.TableName, newName));

                return SQLiteErrorCode.Error;
            }








|







 







|







 







|







499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
...
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
...
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
            SQLiteIndex index
            )
        {
            CheckDisposed();

            if (!table.BestIndex(index))
            {
                SetTableError(table, HelperMethods.StringFormat(
                    CultureInfo.CurrentCulture,
                    "failed to select best index for virtual table \"{0}\"",
                    table.TableName));

                return SQLiteErrorCode.Error;
            }

................................................................................
            SQLiteVirtualTable table,
            SQLiteValue[] values,
            ref long rowId
            )
        {
            CheckDisposed();

            SetTableError(table, HelperMethods.StringFormat(
                CultureInfo.CurrentCulture,
                "virtual table \"{0}\" is read-only", table.TableName));

            return SQLiteErrorCode.Error;
        }

        ///////////////////////////////////////////////////////////////////////
................................................................................
            string newName
            )
        {
            CheckDisposed();

            if (!table.Rename(newName))
            {
                SetTableError(table, HelperMethods.StringFormat(
                    CultureInfo.CurrentCulture,
                    "failed to rename virtual table from \"{0}\" to \"{1}\"",
                    table.TableName, newName));

                return SQLiteErrorCode.Error;
            }

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

423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
...
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466

      foreach(SQLiteParameter p in _parameterList)
      {
        y ++;
        s = p.ParameterName;
        if (s == null)
        {
          s = UnsafeNativeMethods.StringFormat(CultureInfo.InvariantCulture, ";{0}", nUnnamed);
          nUnnamed++;
        }

        int x;
        bool isMapped = false;

        if (activeStatement == null)
................................................................................
          stmt = null;
        }

        // If the parameter has a name, but the SQL statement uses unnamed references, this can happen -- attempt to map
        // the parameter by its index in the collection
        if (isMapped == false)
        {
          s = UnsafeNativeMethods.StringFormat(CultureInfo.InvariantCulture, ";{0}", y);

          stmt = activeStatement;
          for (n = 0; n < x; n++)
          {
            if (stmt == null) stmt = _command._statementList[n];
            if (stmt._paramNames != null)
            {







|







 







|







423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
...
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466

      foreach(SQLiteParameter p in _parameterList)
      {
        y ++;
        s = p.ParameterName;
        if (s == null)
        {
          s = HelperMethods.StringFormat(CultureInfo.InvariantCulture, ";{0}", nUnnamed);
          nUnnamed++;
        }

        int x;
        bool isMapped = false;

        if (activeStatement == null)
................................................................................
          stmt = null;
        }

        // If the parameter has a name, but the SQL statement uses unnamed references, this can happen -- attempt to map
        // the parameter by its index in the collection
        if (isMapped == false)
        {
          s = HelperMethods.StringFormat(CultureInfo.InvariantCulture, ";{0}", y);

          stmt = activeStatement;
          for (n = 0; n < x; n++)
          {
            if (stmt == null) stmt = _command._statementList[n];
            if (stmt._paramNames != null)
            {

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

81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
...
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
        _paramValues = new SQLiteParameter[n];

        for (x = 0; x < n; x++)
        {
          s = _sql.Bind_ParamName(this, _flags, x + 1);
          if (String.IsNullOrEmpty(s))
          {
            s = UnsafeNativeMethods.StringFormat(CultureInfo.InvariantCulture, ";{0}", nCmdStart);
            nCmdStart++;
            _unnamedParameters++;
          }
          _paramNames[x] = s;
          _paramValues[x] = null;
        }
      }
................................................................................
      if ((obj != null) && (objType == DbType.Object))
          objType = SQLiteConvert.TypeToDbType(obj.GetType());

      if ((_flags & SQLiteConnectionFlags.LogPreBind) == SQLiteConnectionFlags.LogPreBind)
      {
          IntPtr handle = _sqlite_stmt;

          SQLiteLog.LogMessage(UnsafeNativeMethods.StringFormat(
              CultureInfo.CurrentCulture,
              "Binding statement {0} paramter #{1} with database type {2} and raw value {{{3}}}...",
              handle, index, objType, obj));
      }

      if ((obj == null) || Convert.IsDBNull(obj))
      {







|







 







|







81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
...
254
255
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257
258
259
260
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        _paramValues = new SQLiteParameter[n];

        for (x = 0; x < n; x++)
        {
          s = _sql.Bind_ParamName(this, _flags, x + 1);
          if (String.IsNullOrEmpty(s))
          {
            s = HelperMethods.StringFormat(CultureInfo.InvariantCulture, ";{0}", nCmdStart);
            nCmdStart++;
            _unnamedParameters++;
          }
          _paramNames[x] = s;
          _paramValues[x] = null;
        }
      }
................................................................................
      if ((obj != null) && (objType == DbType.Object))
          objType = SQLiteConvert.TypeToDbType(obj.GetType());

      if ((_flags & SQLiteConnectionFlags.LogPreBind) == SQLiteConnectionFlags.LogPreBind)
      {
          IntPtr handle = _sqlite_stmt;

          SQLiteLog.LogMessage(HelperMethods.StringFormat(
              CultureInfo.CurrentCulture,
              "Binding statement {0} paramter #{1} with database type {2} and raw value {{{3}}}...",
              handle, index, objType, obj));
      }

      if ((obj == null) || Convert.IsDBNull(obj))
      {

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

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  using System.Diagnostics;
#endif

  using System.Collections.Generic;
  using System.IO;
  using System.Reflection;

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

  using System.Runtime.InteropServices;

#if !PLATFORM_COMPACTFRAMEWORK
  using System.Text;
................................................................................

#if !PLATFORM_COMPACTFRAMEWORK || COUNT_HANDLE
  using System.Threading;
#endif

  using System.Xml;

#if !PLATFORM_COMPACTFRAMEWORK && !DEBUG
  [SuppressUnmanagedCodeSecurity]
#endif




  internal static class UnsafeNativeMethods
  {

      #region Critical Handle Counts (Debug Build Only)
#if COUNT_HANDLE
      //
      // NOTE: These counts represent the total number of outstanding
      //       (non-disposed) CriticalHandle derived object instances
      //       created by this library and are primarily for use by
      //       the test suite.  These counts are incremented by the
................................................................................
      internal static int statementCount;
      internal static int backupCount;
#endif
      #endregion

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















































































































































































































































































































































































































































































      #region Shared Native SQLite Library Pre-Loading Code
      #region Private Constants
      /// <summary>
      /// The file extension used for dynamic link libraries.
      /// </summary>
      private static readonly string DllFileExtension = ".dll";

................................................................................
      #region Private Data
      /// <summary>
      /// This lock is used to protect the static _SQLiteNativeModuleFileName,
      /// _SQLiteNativeModuleHandle, and processorArchitecturePlatforms fields.
      /// </summary>
      private static readonly object staticSyncRoot = new object();

#if DEBUG
      /////////////////////////////////////////////////////////////////////////
      /// <summary>
      /// This dictionary stores the read counts for the runtime configuration
      /// settings.  This information is only recorded when compiled in the
      /// "Debug" build configuration.
      /// </summary>
      private static Dictionary<string, int> settingReadCounts;
#endif

      /////////////////////////////////////////////////////////////////////////
      /// <summary>
      /// This dictionary stores the mappings between processor architecture
      /// names and platform names.  These mappings are now used for two
      /// purposes.  First, they are used to determine if the assembly code
      /// base should be used instead of the location, based upon whether one
      /// or more of the named sub-directories exist within the assembly code
................................................................................
      /// </summary>
      static UnsafeNativeMethods()
      {
          Initialize();
      }

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

      /// <summary>
      /// This type is only present when running on Mono.
      /// </summary>
      private static readonly string MonoRuntimeType = "Mono.Runtime";

      /// <summary>
      /// Keeps track of whether we are running on Mono.  Initially null, it is
      /// set by the <see cref="IsMono" /> method on its first call.  Later, it
      /// is returned verbatim by the <see cref="IsMono" /> method.
      /// </summary>
      private static bool? isMono = null;

      /// <summary>
      /// Determines whether or not this assembly is running on Mono.
      /// </summary>
      /// <returns>
      /// Non-zero if this assembly is running on Mono.
      /// </returns>
      private static bool IsMono()
      {
          try
          {
              lock (staticSyncRoot)
              {
                  if (isMono == null)
                      isMono = (Type.GetType(MonoRuntimeType) != null);

                  return (bool)isMono;
              }
          }
          catch
          {
              // do nothing.
          }

          return false;
      }

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

      /// <summary>
      /// Determines if the current process is running on one of the Windows
      /// [sub-]platforms.
      /// </summary>
      /// <returns>
      /// Non-zero when running on Windows; otherwise, zero.
      /// </returns>
      internal static bool IsWindows()
      {
          PlatformID platformId = Environment.OSVersion.Platform;

          if ((platformId == PlatformID.Win32S) ||
              (platformId == PlatformID.Win32Windows) ||
              (platformId == PlatformID.Win32NT) ||
              (platformId == PlatformID.WinCE))
          {
              return true;
          }

          return false;
      }

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

      /// <summary>
      /// This is a wrapper around the
      /// <see cref="String.Format(IFormatProvider,String,Object[])" /> method.
      /// On Mono, it has to call the method overload without the
      /// <see cref="IFormatProvider" /> parameter, due to a bug in Mono.
      /// </summary>
      /// <param name="provider">
      /// This is used for culture-specific formatting.
      /// </param>
      /// <param name="format">
      /// The format string.
      /// </param>
      /// <param name="args">
      /// An array the objects to format.
      /// </param>
      /// <returns>
      /// The resulting string.
      /// </returns>
      internal static string StringFormat(
          IFormatProvider provider,
          string format,
          params object[] args
          )
      {
          if (IsMono())
              return String.Format(format, args);
          else
              return String.Format(provider, format, args);
      }

      /////////////////////////////////////////////////////////////////////////
      /// <summary>
      /// Attempts to initialize this class by pre-loading the native SQLite
      /// library for the processor architecture of the current process.
      /// </summary>
      internal static void Initialize()
      {
#if SQLITE_STANDARD || USE_INTEROP_DLL || PLATFORM_COMPACTFRAMEWORK
................................................................................
          // NOTE: If the "No_PreLoadSQLite" environment variable is set (to
          //       anything), skip all our special code and simply return.
          //
          if (GetSettingValue("No_PreLoadSQLite", null) != null)
              return;
#endif
#endif











          lock (staticSyncRoot)
          {
#if DEBUG
              //
              // NOTE: Create the list of statistics that will contain the
              //       number of times each setting value has been read.
              //
              if (settingReadCounts == null)
                  settingReadCounts = new Dictionary<string, int>();
#endif

              //
              // TODO: Make sure this list is updated if the supported
              //       processor architecture names and/or platform names
              //       changes.
              //
              if (processorArchitecturePlatforms == null)
              {
................................................................................
          if (name == null)
              return @default;

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

          #region Debug Build Only
#if DEBUG
          lock (staticSyncRoot)
          {
              //
              // NOTE: Update statistics for this setting value.
              //
              if (settingReadCounts != null)
              {
                  int count;

                  if (settingReadCounts.TryGetValue(name, out count))
                      settingReadCounts[name] = count + 1;
                  else
                      settingReadCounts.Add(name, 1);
              }
          }
#endif
          #endregion

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

          string value = null;

................................................................................
#if !PLATFORM_COMPACTFRAMEWORK
          bool expand = true;

          if (Environment.GetEnvironmentVariable("No_Expand") != null)
          {
              expand = false;
          }
          else if (Environment.GetEnvironmentVariable(StringFormat(
                  CultureInfo.InvariantCulture, "No_Expand_{0}",
                  name)) != null)
          {
              expand = false;
          }

          value = Environment.GetEnvironmentVariable(name);

          if (expand && !String.IsNullOrEmpty(value))
................................................................................
              if (fileName == null)
                  return @default;

              XmlDocument document = new XmlDocument();

              document.Load(fileName);

              XmlElement element = document.SelectSingleNode(StringFormat(
                  CultureInfo.InvariantCulture,
                  "/configuration/appSettings/add[@key='{0}']", name)) as
                  XmlElement;

              if (element != null)
              {
                  if (element.HasAttribute("value"))
                      value = element.GetAttribute("value");
................................................................................
#else
          catch (Exception)
#endif
          {
#if !NET_COMPACT_20 && TRACE_SHARED
              try
              {
                  Trace.WriteLine(StringFormat(
                      CultureInfo.CurrentCulture,
                      "Native library pre-loader failed to get setting " +
                      "\"{0}\" value: {1}", name, e)); /* throw */
              }
              catch
              {
                  // do nothing.
................................................................................
                  directory, XmlConfigFileName);

              if (File.Exists(xmlConfigFileName))
              {
#if !NET_COMPACT_20 && TRACE_DETECTION
                  try
                  {
                      Trace.WriteLine(StringFormat(
                          CultureInfo.CurrentCulture,
                          "Native library pre-loader found XML configuration file " +
                          "via code base for currently executing assembly: \"{0}\"",
                          xmlConfigFileName)); /* throw */
                  }
                  catch
                  {
................................................................................
              List<string> matches = null;

              if (CheckForArchitecturesAndPlatforms(directory, ref matches) > 0)
              {
#if !NET_COMPACT_20 && TRACE_DETECTION
                  try
                  {
                      Trace.WriteLine(StringFormat(
                          CultureInfo.CurrentCulture,
                          "Native library pre-loader found native sub-directories " +
                          "via code base for currently executing assembly: \"{0}\"",
                          ListToString(matches))); /* throw */
                  }
                  catch
                  {
................................................................................
#else
          catch (Exception)
#endif
          {
#if !NET_COMPACT_20 && TRACE_SHARED
              try
              {
                  Trace.WriteLine(StringFormat(
                      CultureInfo.CurrentCulture,
                      "Native library pre-loader failed to check code base " +
                      "for currently executing assembly: {0}", e)); /* throw */
              }
              catch
              {
                  // do nothing.
................................................................................
#else
          catch (Exception)
#endif
          {
#if !NET_COMPACT_20 && TRACE_SHARED
              try
              {
                  Trace.WriteLine(StringFormat(
                      CultureInfo.CurrentCulture,
                      "Native library pre-loader failed to get directory " +
                      "for currently executing assembly: {0}", e)); /* throw */
              }
              catch
              {
                  // do nothing.
................................................................................
      /// <summary>
      /// The name of the environment variable containing the processor
      /// architecture of the current process.
      /// </summary>
      private static readonly string PROCESSOR_ARCHITECTURE =
          "PROCESSOR_ARCHITECTURE";

      /////////////////////////////////////////////////////////////////////////
      /// <summary>
      /// This is the P/Invoke method that wraps the native Win32 LoadLibrary
      /// function.  See the MSDN documentation for full details on what it
      /// does.
      /// </summary>
      /// <param name="fileName">
      /// The name of the executable library.
      /// </param>
      /// <returns>
      /// The native module handle upon success -OR- IntPtr.Zero on failure.
      /// </returns>
#if !PLATFORM_COMPACTFRAMEWORK
      [DllImport("kernel32",
#else
      [DllImport("coredll",
#endif
          CallingConvention = CallingConvention.Winapi, CharSet = CharSet.Auto,
#if !PLATFORM_COMPACTFRAMEWORK
          BestFitMapping = false, ThrowOnUnmappableChar = true,
#endif
          SetLastError = true)]
      private static extern IntPtr LoadLibrary(string fileName);

#if !PLATFORM_COMPACTFRAMEWORK
      /////////////////////////////////////////////////////////////////////////
      /// <summary>
      /// This is the P/Invoke method that wraps the native Unix dlopen
      /// function.  See the POSIX documentation for full details on what it
      /// does.
      /// </summary>
      /// <param name="fileName">
      /// The name of the executable library.
      /// </param>
      /// <param name="mode">
      /// This must be a combination of the individual bit flags RTLD_LAZY,
      /// RTLD_NOW, RTLD_GLOBAL, and/or RTLD_LOCAL.
      /// </param>
      /// <returns>
      /// The native module handle upon success -OR- IntPtr.Zero on failure.
      /// </returns>
      [DllImport("__Internal", EntryPoint = "dlopen",
          CallingConvention = CallingConvention.Cdecl, CharSet = CharSet.Ansi,
          BestFitMapping = false, ThrowOnUnmappableChar = true,
          SetLastError = true)]
      private static extern IntPtr dlopen(string fileName, int mode);

      /////////////////////////////////////////////////////////////////////////
      /// <summary>
      /// For use with dlopen(), bind function calls lazily.
      /// </summary>
      private const int RTLD_LAZY = 0x1;

      /////////////////////////////////////////////////////////////////////////
      /// <summary>
      /// For use with dlopen(), bind function calls immediately.
      /// </summary>
      private const int RTLD_NOW = 0x2;

      /////////////////////////////////////////////////////////////////////////
      /// <summary>
      /// For use with dlopen(), make symbols globally available.
      /// </summary>
      private const int RTLD_GLOBAL = 0x100;

      /////////////////////////////////////////////////////////////////////////
      /// <summary>
      /// For use with dlopen(), opposite of RTLD_GLOBAL, and the default.
      /// </summary>
      private const int RTLD_LOCAL = 0x000;

      /////////////////////////////////////////////////////////////////////////
      /// <summary>
      /// For use with dlopen(), the defaults used by this class.
      /// </summary>
      private const int RTLD_DEFAULT = RTLD_NOW | RTLD_GLOBAL;
#endif

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

#if PLATFORM_COMPACTFRAMEWORK
      /// <summary>
      /// This is the P/Invoke method that wraps the native Win32 GetSystemInfo
      /// function.  See the MSDN documentation for full details on what it
      /// does.
      /// </summary>
      /// <param name="systemInfo">
      /// The system information structure to be filled in by the function.
      /// </param>
      [DllImport("coredll", CallingConvention = CallingConvention.Winapi)]
      private static extern void GetSystemInfo(out SYSTEM_INFO systemInfo);

      /////////////////////////////////////////////////////////////////////////
      /// <summary>
      /// This enumeration contains the possible values for the processor
      /// architecture field of the system information structure.
      /// </summary>
      private enum ProcessorArchitecture : ushort /* COMPAT: Win32. */
      {
          Intel = 0,
          MIPS = 1,
          Alpha = 2,
          PowerPC = 3,
          SHx = 4,
          ARM = 5,
          IA64 = 6,
          Alpha64 = 7,
          MSIL = 8,
          AMD64 = 9,
          IA32_on_Win64 = 10,
          Unknown = 0xFFFF
      }

      /////////////////////////////////////////////////////////////////////////
      /// <summary>
      /// This structure contains information about the current computer. This
      /// includes the processor type, page size, memory addresses, etc.
      /// </summary>
      [StructLayout(LayoutKind.Sequential)]
      private struct SYSTEM_INFO
      {
          public ProcessorArchitecture wProcessorArchitecture;
          public ushort wReserved; /* NOT USED */
          public uint dwPageSize; /* NOT USED */
          public IntPtr lpMinimumApplicationAddress; /* NOT USED */
          public IntPtr lpMaximumApplicationAddress; /* NOT USED */
          public uint dwActiveProcessorMask; /* NOT USED */
          public uint dwNumberOfProcessors; /* NOT USED */
          public uint dwProcessorType; /* NOT USED */
          public uint dwAllocationGranularity; /* NOT USED */
          public ushort wProcessorLevel; /* NOT USED */
          public ushort wProcessorRevision; /* NOT USED */
      }
#endif

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

      #region Private Data
      /// <summary>
      /// The native module file name for the native SQLite library or null.
      /// </summary>
      internal static string _SQLiteNativeModuleFileName = null;
................................................................................
      /// </returns>
      private static string FixUpDllFileName(
          string fileName /* in */
          )
      {
          if (!String.IsNullOrEmpty(fileName))
          {
              if (IsWindows())
              {
                  if (!fileName.EndsWith(DllFileExtension,
                          StringComparison.OrdinalIgnoreCase))
                  {
                      return fileName + DllFileExtension;
                  }
              }
................................................................................
#if !NET_COMPACT_20 && TRACE_DETECTION
              try
              {
                  //
                  // NOTE: Show that we hit a fairly unusual situation (i.e.
                  //       the "wrong" processor architecture was detected).
                  //
                  Trace.WriteLine(StringFormat(
                      CultureInfo.CurrentCulture,
                      "Native library pre-loader detected {0}-bit pointer " +
                      "size with processor architecture \"{1}\", using " +
                      "processor architecture \"{2}\" instead...",
                      IntPtr.Size * 8 /* bits */, savedProcessorArchitecture,
                      processorArchitecture)); /* throw */
              }
................................................................................
              try
              {
                  //
                  // NOTE: The output of the GetSystemInfo function will be
                  //       placed here.  Only the processor architecture field
                  //       is used by this method.
                  //
                  SYSTEM_INFO systemInfo;

                  //
                  // NOTE: Query the system information via P/Invoke, thus
                  //       filling the structure.
                  //
                  GetSystemInfo(out systemInfo);

                  //
                  // NOTE: Return the processor architecture value as a string.
                  //
                  processorArchitecture =
                      systemInfo.wProcessorArchitecture.ToString();
              }
................................................................................
#if !NET_COMPACT_20 && TRACE_PRELOAD
              try
              {
                  //
                  // NOTE: Show exactly where we are trying to load the native
                  //       SQLite library from.
                  //
                  Trace.WriteLine(StringFormat(
                      CultureInfo.CurrentCulture,
                      "Native library pre-loader is trying to load native " +
                      "SQLite library \"{0}\"...", fileName)); /* throw */
              }
              catch
              {
                  // do nothing.
................................................................................
              //
              // NOTE: Attempt to load the native library.  This will either
              //       return a valid native module handle, return IntPtr.Zero,
              //       or throw an exception.  This must use the appropriate
              //       P/Invoke method for the current operating system.
              //
              nativeModuleFileName = fileName;

#if !PLATFORM_COMPACTFRAMEWORK
              if (!IsWindows())
              {
                  nativeModuleHandle = dlopen(fileName, RTLD_DEFAULT);
              }
              else
#endif
              {
                  nativeModuleHandle = LoadLibrary(fileName);
              }

              return (nativeModuleHandle != IntPtr.Zero);
          }
#if !NET_COMPACT_20 && TRACE_PRELOAD
          catch (Exception e)
#else
          catch (Exception)
................................................................................
                  int lastError = Marshal.GetLastWin32Error(); /* throw */

                  //
                  // NOTE: Show where we failed to load the native SQLite
                  //       library from along with the Win32 error code and
                  //       exception information.
                  //
                  Trace.WriteLine(StringFormat(
                      CultureInfo.CurrentCulture,
                      "Native library pre-loader failed to load native " +
                      "SQLite library \"{0}\" (getLastError = {1}): {2}",
                      fileName, lastError, e)); /* throw */
              }
              catch
              {
................................................................................
        public long estimatedRows;   /* Estimated number of rows returned */
        public SQLiteIndexFlags idxFlags; /* Mask of SQLITE_INDEX_SCAN_* flags */
        public long colUsed;         /* Input: Mask of columns used by statement */
    }
#endif
    #endregion
  }


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


#if PLATFORM_COMPACTFRAMEWORK
  internal abstract class CriticalHandle : IDisposable
  {
    private bool _isClosed;
    protected IntPtr handle;

    protected CriticalHandle(IntPtr invalidHandleValue)
................................................................................

    public abstract bool IsInvalid
    {
      get;
    }

  }

#endif


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

    #region SQLiteConnectionHandle Class
    // Handles the unmanaged database pointer, and provides finalization
    // support for it.
    internal sealed class SQLiteConnectionHandle : CriticalHandle
................................................................................
        ///////////////////////////////////////////////////////////////////////

        private SQLiteConnectionHandle(bool ownHandle)
            : base(IntPtr.Zero)
        {
#if COUNT_HANDLE
            if (ownHandle)
                Interlocked.Increment(ref UnsafeNativeMethods.connectionCount);
#endif
        }

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

        protected override bool ReleaseHandle()
        {
................................................................................
                if (localHandle != IntPtr.Zero)
                    SQLiteBase.CloseConnection(this, localHandle);
#endif

#if !NET_COMPACT_20 && TRACE_HANDLE
                try
                {
                    Trace.WriteLine(UnsafeNativeMethods.StringFormat(
                        CultureInfo.CurrentCulture,
                        "CloseConnection: {0}", localHandle)); /* throw */
                }
                catch
                {
                }
#endif
................................................................................
                    {
                        SQLiteBase.CloseConnection(this, handle);
                        SetHandle(IntPtr.Zero);
                    }
                }
#endif
#if COUNT_HANDLE
                Interlocked.Decrement(
                    ref UnsafeNativeMethods.connectionCount);
#endif
#if DEBUG
                return true;
#endif
            }
#if !NET_COMPACT_20 && TRACE_HANDLE
            catch (SQLiteException e)
................................................................................
#else
            catch (SQLiteException)
#endif
            {
#if !NET_COMPACT_20 && TRACE_HANDLE
                try
                {
                    Trace.WriteLine(UnsafeNativeMethods.StringFormat(
                        CultureInfo.CurrentCulture,
                        "CloseConnection: {0}, exception: {1}",
                        handle, e)); /* throw */
                }
                catch
                {
                }
................................................................................
        }

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

#if COUNT_HANDLE
        public int WasReleasedOk()
        {
            return Interlocked.Decrement(
                ref UnsafeNativeMethods.connectionCount);
        }
#endif

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

        public bool OwnHandle
        {
................................................................................

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

        private SQLiteStatementHandle()
            : base(IntPtr.Zero)
        {
#if COUNT_HANDLE
            Interlocked.Increment(
                ref UnsafeNativeMethods.statementCount);
#endif
        }

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

        protected override bool ReleaseHandle()
        {
................................................................................

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

#if !NET_COMPACT_20 && TRACE_HANDLE
                try
                {
                    Trace.WriteLine(UnsafeNativeMethods.StringFormat(
                        CultureInfo.CurrentCulture,
                        "FinalizeStatement: {0}", localHandle)); /* throw */
                }
                catch
                {
                }
#endif
................................................................................
                    {
                        SQLiteBase.FinalizeStatement(cnn, handle);
                        SetHandle(IntPtr.Zero);
                    }
                }
#endif
#if COUNT_HANDLE
                Interlocked.Decrement(
                    ref UnsafeNativeMethods.statementCount);
#endif
#if DEBUG
                return true;
#endif
            }
#if !NET_COMPACT_20 && TRACE_HANDLE
            catch (SQLiteException e)
................................................................................
#else
            catch (SQLiteException)
#endif
            {
#if !NET_COMPACT_20 && TRACE_HANDLE
                try
                {
                    Trace.WriteLine(UnsafeNativeMethods.StringFormat(
                        CultureInfo.CurrentCulture,
                        "FinalizeStatement: {0}, exception: {1}",
                        handle, e)); /* throw */
                }
                catch
                {
                }
................................................................................
        }

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

#if COUNT_HANDLE
        public int WasReleasedOk()
        {
            return Interlocked.Decrement(
                ref UnsafeNativeMethods.statementCount);
        }
#endif

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

        public override bool IsInvalid
        {
................................................................................

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

        private SQLiteBackupHandle()
            : base(IntPtr.Zero)
        {
#if COUNT_HANDLE
            Interlocked.Increment(
                ref UnsafeNativeMethods.backupCount);
#endif
        }

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

        protected override bool ReleaseHandle()
        {
................................................................................

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

#if !NET_COMPACT_20 && TRACE_HANDLE
                try
                {
                    Trace.WriteLine(UnsafeNativeMethods.StringFormat(
                        CultureInfo.CurrentCulture,
                        "FinishBackup: {0}", localHandle)); /* throw */
                }
                catch
                {
                }
#endif
................................................................................
                    {
                        SQLiteBase.FinishBackup(cnn, handle);
                        SetHandle(IntPtr.Zero);
                    }
                }
#endif
#if COUNT_HANDLE
                Interlocked.Decrement(
                    ref UnsafeNativeMethods.backupCount);
#endif
#if DEBUG
                return true;
#endif
            }
#if !NET_COMPACT_20 && TRACE_HANDLE
            catch (SQLiteException e)
................................................................................
#else
            catch (SQLiteException)
#endif
            {
#if !NET_COMPACT_20 && TRACE_HANDLE
                try
                {
                    Trace.WriteLine(UnsafeNativeMethods.StringFormat(
                        CultureInfo.CurrentCulture,
                        "FinishBackup: {0}, exception: {1}",
                        handle, e)); /* throw */
                }
                catch
                {
                }
................................................................................
        }

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

#if COUNT_HANDLE
        public int WasReleasedOk()
        {
            return Interlocked.Decrement(
                ref UnsafeNativeMethods.backupCount);
        }
#endif

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

        public override bool IsInvalid
        {







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  using System.Diagnostics;
#endif

  using System.Collections.Generic;
  using System.IO;
  using System.Reflection;

#if !PLATFORM_COMPACTFRAMEWORK
  using System.Security;
#endif

  using System.Runtime.InteropServices;

#if !PLATFORM_COMPACTFRAMEWORK
  using System.Text;
................................................................................

#if !PLATFORM_COMPACTFRAMEWORK || COUNT_HANDLE
  using System.Threading;
#endif

  using System.Xml;

  #region Debug Data Static Class
#if COUNT_HANDLE || DEBUG

  /// <summary>
  /// This class encapsulates some tracking data that is used for debugging
  /// and testing purposes.
  /// </summary>
  internal static class DebugData
  {
      #region Private Data
      #region Critical Handle Counts (Debug Build Only)
#if COUNT_HANDLE
      //
      // NOTE: These counts represent the total number of outstanding
      //       (non-disposed) CriticalHandle derived object instances
      //       created by this library and are primarily for use by
      //       the test suite.  These counts are incremented by the
................................................................................
      internal static int statementCount;
      internal static int backupCount;
#endif
      #endregion

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

      #region Settings Read Counts (Debug Build Only)
#if DEBUG
      /// <summary>
      /// This lock is used to protect the static
      /// <see cref="settingReadCounts" /> field.
      /// </summary>
      private static readonly object staticSyncRoot = new object();

      /////////////////////////////////////////////////////////////////////////
      /// <summary>
      /// This dictionary stores the read counts for the runtime configuration
      /// settings.  This information is only recorded when compiled in the
      /// "Debug" build configuration.
      /// </summary>
      private static Dictionary<string, int> settingReadCounts;
#endif
      #endregion
      #endregion

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

      #region Public Methods
      /// <summary>
      /// Creates the dictionary used to store the read counts for each of the
      /// runtime configuration settings.  These numbers are used for debugging
      /// and testing purposes only.
      /// </summary>
      public static void InitializeSettingReadCounts()
      {
          lock (staticSyncRoot)
          {
              //
              // NOTE: Create the list of statistics that will contain the
              //       number of times each setting value has been read.
              //
              if (settingReadCounts == null)
                  settingReadCounts = new Dictionary<string, int>();
          }
      }

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

      /// <summary>
      /// Increments the read count for the specified runtime configuration
      /// setting.  These numbers are used for debugging and testing purposes
      /// only.
      /// </summary>
      /// <param name="name">
      /// The name of the setting being read.
      /// </param>
      public static void IncrementSettingReadCount(
          string name
          )
      {
          lock (staticSyncRoot)
          {
              //
              // NOTE: Update statistics for this setting value.
              //
              if (settingReadCounts != null)
              {
                  int count;

                  if (settingReadCounts.TryGetValue(name, out count))
                        settingReadCounts[name] = count + 1;
                  else
                        settingReadCounts.Add(name, 1);
              }
          }
      }
      #endregion
  }
#endif
  #endregion

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

  #region Helper Methods Static Class
  /// <summary>
  /// This static class provides some methods that are shared between the
  /// native library pre-loader and other classes.
  /// </summary>
  internal static class HelperMethods
  {
      #region Private Data
      /// <summary>
      /// This lock is used to protect the static <see cref="isMono" /> field.
      /// </summary>
      private static readonly object staticSyncRoot = new object();

      /////////////////////////////////////////////////////////////////////////
      /// <summary>
      /// This type is only present when running on Mono.
      /// </summary>
      private static readonly string MonoRuntimeType = "Mono.Runtime";

      /////////////////////////////////////////////////////////////////////////
      /// <summary>
      /// Keeps track of whether we are running on Mono.  Initially null, it is
      /// set by the <see cref="IsMono" /> method on its first call.  Later, it
      /// is returned verbatim by the <see cref="IsMono" /> method.
      /// </summary>
      private static bool? isMono = null;
      #endregion

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

      #region Private Methods
      /// <summary>
      /// Determines whether or not this assembly is running on Mono.
      /// </summary>
      /// <returns>
      /// Non-zero if this assembly is running on Mono.
      /// </returns>
      private static bool IsMono()
      {
          try
          {
              lock (staticSyncRoot)
              {
                  if (isMono == null)
                      isMono = (Type.GetType(MonoRuntimeType) != null);

                  return (bool)isMono;
              }
          }
          catch
          {
              // do nothing.
          }

          return false;
      }
      #endregion

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

      #region Internal Methods
      /// <summary>
      /// Determines if the current process is running on one of the Windows
      /// [sub-]platforms.
      /// </summary>
      /// <returns>
      /// Non-zero when running on Windows; otherwise, zero.
      /// </returns>
      internal static bool IsWindows()
      {
          PlatformID platformId = Environment.OSVersion.Platform;

          if ((platformId == PlatformID.Win32S) ||
              (platformId == PlatformID.Win32Windows) ||
              (platformId == PlatformID.Win32NT) ||
              (platformId == PlatformID.WinCE))
          {
              return true;
          }

          return false;
      }

      /////////////////////////////////////////////////////////////////////////
      /// <summary>
      /// This is a wrapper around the
      /// <see cref="String.Format(IFormatProvider,String,Object[])" /> method.
      /// On Mono, it has to call the method overload without the
      /// <see cref="IFormatProvider" /> parameter, due to a bug in Mono.
      /// </summary>
      /// <param name="provider">
      /// This is used for culture-specific formatting.
      /// </param>
      /// <param name="format">
      /// The format string.
      /// </param>
      /// <param name="args">
      /// An array the objects to format.
      /// </param>
      /// <returns>
      /// The resulting string.
      /// </returns>
      internal static string StringFormat(
          IFormatProvider provider,
          string format,
          params object[] args
          )
      {
          if (IsMono())
              return String.Format(format, args);
          else
              return String.Format(provider, format, args);
      }
      #endregion
  }
  #endregion

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

  #region Native Library Helper Class
  /// <summary>
  /// This static class provides a thin wrapper around the native library
  /// loading features of the underlying platform.
  /// </summary>
  internal static class NativeLibraryHelper
  {
      #region Private Delegates
      /// <summary>
      /// This delegate is used to wrap the concept of loading a native
      /// library, based on a file name, and returning the loaded module
      /// handle.
      /// </summary>
      /// <param name="fileName">
      /// The file name of the native library to load.
      /// </param>
      /// <returns>
      /// The native module handle upon success -OR- IntPtr.Zero on failure.
      /// </returns>
      private delegate IntPtr LoadLibraryCallback(
          string fileName
      );
      #endregion

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

      #region Private Methods
      /// <summary>
      /// Attempts to load the specified native library file using the Win32
      /// API.
      /// </summary>
      /// <param name="fileName">
      /// The file name of the native library to load.
      /// </param>
      /// <returns>
      /// The native module handle upon success -OR- IntPtr.Zero on failure.
      /// </returns>
      private static IntPtr LoadLibraryWin32(
          string fileName
          )
      {
          return UnsafeNativeMethodsWin32.LoadLibrary(fileName);
      }

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

#if !PLATFORM_COMPACTFRAMEWORK
      /// <summary>
      /// Attempts to load the specified native library file using the POSIX
      /// API.
      /// </summary>
      /// <param name="fileName">
      /// The file name of the native library to load.
      /// </param>
      /// <returns>
      /// The native module handle upon success -OR- IntPtr.Zero on failure.
      /// </returns>
      private static IntPtr LoadLibraryPosix(
          string fileName
          )
      {
          return UnsafeNativeMethodsPosix.dlopen(
              fileName, UnsafeNativeMethodsPosix.RTLD_DEFAULT);
      }
#endif
      #endregion

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

      #region Public Methods
      /// <summary>
      /// Attempts to load the specified native library file.
      /// </summary>
      /// <param name="fileName">
      /// The file name of the native library to load.
      /// </param>
      /// <returns>
      /// The native module handle upon success -OR- IntPtr.Zero on failure.
      /// </returns>
      public static IntPtr LoadLibrary(
          string fileName
          )
      {
          LoadLibraryCallback callback = LoadLibraryWin32;

#if !PLATFORM_COMPACTFRAMEWORK
          if (!HelperMethods.IsWindows())
              callback = LoadLibraryPosix;
#endif

          return callback(fileName);
      }
      #endregion
  }
  #endregion

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

  #region Unmanaged Interop Methods Static Class (POSIX)
#if !PLATFORM_COMPACTFRAMEWORK
  /// <summary>
  /// This class declares P/Invoke methods to call native POSIX APIs.
  /// </summary>
  [SuppressUnmanagedCodeSecurity]
  internal static class UnsafeNativeMethodsPosix
  {
      /////////////////////////////////////////////////////////////////////////
      /// <summary>
      /// This is the P/Invoke method that wraps the native Unix dlopen
      /// function.  See the POSIX documentation for full details on what it
      /// does.
      /// </summary>
      /// <param name="fileName">
      /// The name of the executable library.
      /// </param>
      /// <param name="mode">
      /// This must be a combination of the individual bit flags RTLD_LAZY,
      /// RTLD_NOW, RTLD_GLOBAL, and/or RTLD_LOCAL.
      /// </param>
      /// <returns>
      /// The native module handle upon success -OR- IntPtr.Zero on failure.
      /// </returns>
      [DllImport("__Internal", EntryPoint = "dlopen",
          CallingConvention = CallingConvention.Cdecl, CharSet = CharSet.Ansi,
          BestFitMapping = false, ThrowOnUnmappableChar = true,
          SetLastError = true)]
      internal static extern IntPtr dlopen(string fileName, int mode);

      /////////////////////////////////////////////////////////////////////////
      /// <summary>
      /// For use with dlopen(), bind function calls lazily.
      /// </summary>
      internal const int RTLD_LAZY = 0x1;

      /////////////////////////////////////////////////////////////////////////
      /// <summary>
      /// For use with dlopen(), bind function calls immediately.
      /// </summary>
      internal const int RTLD_NOW = 0x2;

      /////////////////////////////////////////////////////////////////////////
      /// <summary>
      /// For use with dlopen(), make symbols globally available.
      /// </summary>
      internal const int RTLD_GLOBAL = 0x100;

      /////////////////////////////////////////////////////////////////////////
      /// <summary>
      /// For use with dlopen(), opposite of RTLD_GLOBAL, and the default.
      /// </summary>
      internal const int RTLD_LOCAL = 0x000;

      /////////////////////////////////////////////////////////////////////////
      /// <summary>
      /// For use with dlopen(), the defaults used by this class.
      /// </summary>
      internal  const int RTLD_DEFAULT = RTLD_NOW | RTLD_GLOBAL;
  }
#endif
  #endregion

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

  #region Unmanaged Interop Methods Static Class (Win32)
  /// <summary>
  /// This class declares P/Invoke methods to call native Win32 APIs.
  /// </summary>
#if !PLATFORM_COMPACTFRAMEWORK
  [SuppressUnmanagedCodeSecurity]
#endif
  internal static class UnsafeNativeMethodsWin32
  {
      /////////////////////////////////////////////////////////////////////////
      /// <summary>
      /// This is the P/Invoke method that wraps the native Win32 LoadLibrary
      /// function.  See the MSDN documentation for full details on what it
      /// does.
      /// </summary>
      /// <param name="fileName">
      /// The name of the executable library.
      /// </param>
      /// <returns>
      /// The native module handle upon success -OR- IntPtr.Zero on failure.
      /// </returns>
#if !PLATFORM_COMPACTFRAMEWORK
      [DllImport("kernel32",
#else
      [DllImport("coredll",
#endif
 CallingConvention = CallingConvention.Winapi, CharSet = CharSet.Auto,
#if !PLATFORM_COMPACTFRAMEWORK
          BestFitMapping = false, ThrowOnUnmappableChar = true,
#endif
          SetLastError = true)]
      internal static extern IntPtr LoadLibrary(string fileName);

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

#if PLATFORM_COMPACTFRAMEWORK
      /// <summary>
      /// This is the P/Invoke method that wraps the native Win32 GetSystemInfo
      /// function.  See the MSDN documentation for full details on what it
      /// does.
      /// </summary>
      /// <param name="systemInfo">
      /// The system information structure to be filled in by the function.
      /// </param>
      [DllImport("coredll", CallingConvention = CallingConvention.Winapi)]
      internal static extern void GetSystemInfo(out SYSTEM_INFO systemInfo);

      /////////////////////////////////////////////////////////////////////////
      /// <summary>
      /// This enumeration contains the possible values for the processor
      /// architecture field of the system information structure.
      /// </summary>
      internal enum ProcessorArchitecture : ushort /* COMPAT: Win32. */
      {
          Intel = 0,
          MIPS = 1,
          Alpha = 2,
          PowerPC = 3,
          SHx = 4,
          ARM = 5,
          IA64 = 6,
          Alpha64 = 7,
          MSIL = 8,
          AMD64 = 9,
          IA32_on_Win64 = 10,
          Unknown = 0xFFFF
      }

      /////////////////////////////////////////////////////////////////////////
      /// <summary>
      /// This structure contains information about the current computer. This
      /// includes the processor type, page size, memory addresses, etc.
      /// </summary>
      [StructLayout(LayoutKind.Sequential)]
      internal struct SYSTEM_INFO
      {
          public ProcessorArchitecture wProcessorArchitecture;
          public ushort wReserved; /* NOT USED */
          public uint dwPageSize; /* NOT USED */
          public IntPtr lpMinimumApplicationAddress; /* NOT USED */
          public IntPtr lpMaximumApplicationAddress; /* NOT USED */
          public uint dwActiveProcessorMask; /* NOT USED */
          public uint dwNumberOfProcessors; /* NOT USED */
          public uint dwProcessorType; /* NOT USED */
          public uint dwAllocationGranularity; /* NOT USED */
          public ushort wProcessorLevel; /* NOT USED */
          public ushort wProcessorRevision; /* NOT USED */
      }
#endif
  }
  #endregion

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

  #region Unmanaged Interop Methods Static Class (SQLite)
  /// <summary>
  /// This class declares P/Invoke methods to call native SQLite APIs.
  /// </summary>
#if !PLATFORM_COMPACTFRAMEWORK
  [SuppressUnmanagedCodeSecurity]
#endif
  internal static class UnsafeNativeMethods
  {
      #region Shared Native SQLite Library Pre-Loading Code
      #region Private Constants
      /// <summary>
      /// The file extension used for dynamic link libraries.
      /// </summary>
      private static readonly string DllFileExtension = ".dll";

................................................................................
      #region Private Data
      /// <summary>
      /// This lock is used to protect the static _SQLiteNativeModuleFileName,
      /// _SQLiteNativeModuleHandle, and processorArchitecturePlatforms fields.
      /// </summary>
      private static readonly object staticSyncRoot = new object();











      /////////////////////////////////////////////////////////////////////////
      /// <summary>
      /// This dictionary stores the mappings between processor architecture
      /// names and platform names.  These mappings are now used for two
      /// purposes.  First, they are used to determine if the assembly code
      /// base should be used instead of the location, based upon whether one
      /// or more of the named sub-directories exist within the assembly code
................................................................................
      /// </summary>
      static UnsafeNativeMethods()
      {
          Initialize();
      }

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
































































































      /// <summary>
      /// Attempts to initialize this class by pre-loading the native SQLite
      /// library for the processor architecture of the current process.
      /// </summary>
      internal static void Initialize()
      {
#if SQLITE_STANDARD || USE_INTEROP_DLL || PLATFORM_COMPACTFRAMEWORK
................................................................................
          // NOTE: If the "No_PreLoadSQLite" environment variable is set (to
          //       anything), skip all our special code and simply return.
          //
          if (GetSettingValue("No_PreLoadSQLite", null) != null)
              return;
#endif
#endif

          #region Debug Build Only
#if DEBUG
          //
          // NOTE: Create the list of statistics that will contain the
          //       number of times each setting value has been read.
          //
          DebugData.InitializeSettingReadCounts();
#endif
          #endregion

          lock (staticSyncRoot)
          {









              //
              // TODO: Make sure this list is updated if the supported
              //       processor architecture names and/or platform names
              //       changes.
              //
              if (processorArchitecturePlatforms == null)
              {
................................................................................
          if (name == null)
              return @default;

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

          #region Debug Build Only
#if DEBUG





          DebugData.IncrementSettingReadCount(name);









#endif
          #endregion

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

          string value = null;

................................................................................
#if !PLATFORM_COMPACTFRAMEWORK
          bool expand = true;

          if (Environment.GetEnvironmentVariable("No_Expand") != null)
          {
              expand = false;
          }
          else if (Environment.GetEnvironmentVariable(
                  HelperMethods.StringFormat(CultureInfo.InvariantCulture,
                  "No_Expand_{0}", name)) != null)
          {
              expand = false;
          }

          value = Environment.GetEnvironmentVariable(name);

          if (expand && !String.IsNullOrEmpty(value))
................................................................................
              if (fileName == null)
                  return @default;

              XmlDocument document = new XmlDocument();

              document.Load(fileName);

              XmlElement element = document.SelectSingleNode(
                  HelperMethods.StringFormat(CultureInfo.InvariantCulture,
                  "/configuration/appSettings/add[@key='{0}']", name)) as
                  XmlElement;

              if (element != null)
              {
                  if (element.HasAttribute("value"))
                      value = element.GetAttribute("value");
................................................................................
#else
          catch (Exception)
#endif
          {
#if !NET_COMPACT_20 && TRACE_SHARED
              try
              {
                  Trace.WriteLine(HelperMethods.StringFormat(
                      CultureInfo.CurrentCulture,
                      "Native library pre-loader failed to get setting " +
                      "\"{0}\" value: {1}", name, e)); /* throw */
              }
              catch
              {
                  // do nothing.
................................................................................
                  directory, XmlConfigFileName);

              if (File.Exists(xmlConfigFileName))
              {
#if !NET_COMPACT_20 && TRACE_DETECTION
                  try
                  {
                      Trace.WriteLine(HelperMethods.StringFormat(
                          CultureInfo.CurrentCulture,
                          "Native library pre-loader found XML configuration file " +
                          "via code base for currently executing assembly: \"{0}\"",
                          xmlConfigFileName)); /* throw */
                  }
                  catch
                  {
................................................................................
              List<string> matches = null;

              if (CheckForArchitecturesAndPlatforms(directory, ref matches) > 0)
              {
#if !NET_COMPACT_20 && TRACE_DETECTION
                  try
                  {
                      Trace.WriteLine(HelperMethods.StringFormat(
                          CultureInfo.CurrentCulture,
                          "Native library pre-loader found native sub-directories " +
                          "via code base for currently executing assembly: \"{0}\"",
                          ListToString(matches))); /* throw */
                  }
                  catch
                  {
................................................................................
#else
          catch (Exception)
#endif
          {
#if !NET_COMPACT_20 && TRACE_SHARED
              try
              {
                  Trace.WriteLine(HelperMethods.StringFormat(
                      CultureInfo.CurrentCulture,
                      "Native library pre-loader failed to check code base " +
                      "for currently executing assembly: {0}", e)); /* throw */
              }
              catch
              {
                  // do nothing.
................................................................................
#else
          catch (Exception)
#endif
          {
#if !NET_COMPACT_20 && TRACE_SHARED
              try
              {
                  Trace.WriteLine(HelperMethods.StringFormat(
                      CultureInfo.CurrentCulture,
                      "Native library pre-loader failed to get directory " +
                      "for currently executing assembly: {0}", e)); /* throw */
              }
              catch
              {
                  // do nothing.
................................................................................
      /// <summary>
      /// The name of the environment variable containing the processor
      /// architecture of the current process.
      /// </summary>
      private static readonly string PROCESSOR_ARCHITECTURE =
          "PROCESSOR_ARCHITECTURE";








































































































































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

      #region Private Data
      /// <summary>
      /// The native module file name for the native SQLite library or null.
      /// </summary>
      internal static string _SQLiteNativeModuleFileName = null;
................................................................................
      /// </returns>
      private static string FixUpDllFileName(
          string fileName /* in */
          )
      {
          if (!String.IsNullOrEmpty(fileName))
          {
              if (HelperMethods.IsWindows())
              {
                  if (!fileName.EndsWith(DllFileExtension,
                          StringComparison.OrdinalIgnoreCase))
                  {
                      return fileName + DllFileExtension;
                  }
              }
................................................................................
#if !NET_COMPACT_20 && TRACE_DETECTION
              try
              {
                  //
                  // NOTE: Show that we hit a fairly unusual situation (i.e.
                  //       the "wrong" processor architecture was detected).
                  //
                  Trace.WriteLine(HelperMethods.StringFormat(
                      CultureInfo.CurrentCulture,
                      "Native library pre-loader detected {0}-bit pointer " +
                      "size with processor architecture \"{1}\", using " +
                      "processor architecture \"{2}\" instead...",
                      IntPtr.Size * 8 /* bits */, savedProcessorArchitecture,
                      processorArchitecture)); /* throw */
              }
................................................................................
              try
              {
                  //
                  // NOTE: The output of the GetSystemInfo function will be
                  //       placed here.  Only the processor architecture field
                  //       is used by this method.
                  //
                  UnsafeNativeMethodsWin32.SYSTEM_INFO systemInfo;

                  //
                  // NOTE: Query the system information via P/Invoke, thus
                  //       filling the structure.
                  //
                  UnsafeNativeMethodsWin32.GetSystemInfo(out systemInfo);

                  //
                  // NOTE: Return the processor architecture value as a string.
                  //
                  processorArchitecture =
                      systemInfo.wProcessorArchitecture.ToString();
              }
................................................................................
#if !NET_COMPACT_20 && TRACE_PRELOAD
              try
              {
                  //
                  // NOTE: Show exactly where we are trying to load the native
                  //       SQLite library from.
                  //
                  Trace.WriteLine(HelperMethods.StringFormat(
                      CultureInfo.CurrentCulture,
                      "Native library pre-loader is trying to load native " +
                      "SQLite library \"{0}\"...", fileName)); /* throw */
              }
              catch
              {
                  // do nothing.
................................................................................
              //
              // NOTE: Attempt to load the native library.  This will either
              //       return a valid native module handle, return IntPtr.Zero,
              //       or throw an exception.  This must use the appropriate
              //       P/Invoke method for the current operating system.
              //
              nativeModuleFileName = fileName;









              nativeModuleHandle = NativeLibraryHelper.LoadLibrary(fileName);


              return (nativeModuleHandle != IntPtr.Zero);
          }
#if !NET_COMPACT_20 && TRACE_PRELOAD
          catch (Exception e)
#else
          catch (Exception)
................................................................................
                  int lastError = Marshal.GetLastWin32Error(); /* throw */

                  //
                  // NOTE: Show where we failed to load the native SQLite
                  //       library from along with the Win32 error code and
                  //       exception information.
                  //
                  Trace.WriteLine(HelperMethods.StringFormat(
                      CultureInfo.CurrentCulture,
                      "Native library pre-loader failed to load native " +
                      "SQLite library \"{0}\" (getLastError = {1}): {2}",
                      fileName, lastError, e)); /* throw */
              }
              catch
              {
................................................................................
        public long estimatedRows;   /* Estimated number of rows returned */
        public SQLiteIndexFlags idxFlags; /* Mask of SQLITE_INDEX_SCAN_* flags */
        public long colUsed;         /* Input: Mask of columns used by statement */
    }
#endif
    #endregion
  }
  #endregion

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

  #region .NET Compact Framework (only) CriticalHandle Class
#if PLATFORM_COMPACTFRAMEWORK
  internal abstract class CriticalHandle : IDisposable
  {
    private bool _isClosed;
    protected IntPtr handle;

    protected CriticalHandle(IntPtr invalidHandleValue)
................................................................................

    public abstract bool IsInvalid
    {
      get;
    }

  }

#endif
  #endregion

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

    #region SQLiteConnectionHandle Class
    // Handles the unmanaged database pointer, and provides finalization
    // support for it.
    internal sealed class SQLiteConnectionHandle : CriticalHandle
................................................................................
        ///////////////////////////////////////////////////////////////////////

        private SQLiteConnectionHandle(bool ownHandle)
            : base(IntPtr.Zero)
        {
#if COUNT_HANDLE
            if (ownHandle)
                Interlocked.Increment(ref DebugData.connectionCount);
#endif
        }

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

        protected override bool ReleaseHandle()
        {
................................................................................
                if (localHandle != IntPtr.Zero)
                    SQLiteBase.CloseConnection(this, localHandle);
#endif

#if !NET_COMPACT_20 && TRACE_HANDLE
                try
                {
                    Trace.WriteLine(HelperMethods.StringFormat(
                        CultureInfo.CurrentCulture,
                        "CloseConnection: {0}", localHandle)); /* throw */
                }
                catch
                {
                }
#endif
................................................................................
                    {
                        SQLiteBase.CloseConnection(this, handle);
                        SetHandle(IntPtr.Zero);
                    }
                }
#endif
#if COUNT_HANDLE
                Interlocked.Decrement(ref DebugData.connectionCount);

#endif
#if DEBUG
                return true;
#endif
            }
#if !NET_COMPACT_20 && TRACE_HANDLE
            catch (SQLiteException e)
................................................................................
#else
            catch (SQLiteException)
#endif
            {
#if !NET_COMPACT_20 && TRACE_HANDLE
                try
                {
                    Trace.WriteLine(HelperMethods.StringFormat(
                        CultureInfo.CurrentCulture,
                        "CloseConnection: {0}, exception: {1}",
                        handle, e)); /* throw */
                }
                catch
                {
                }
................................................................................
        }

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

#if COUNT_HANDLE
        public int WasReleasedOk()
        {
            return Interlocked.Decrement(ref DebugData.connectionCount);

        }
#endif

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

        public bool OwnHandle
        {
................................................................................

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

        private SQLiteStatementHandle()
            : base(IntPtr.Zero)
        {
#if COUNT_HANDLE
            Interlocked.Increment(ref DebugData.statementCount);

#endif
        }

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

        protected override bool ReleaseHandle()
        {
................................................................................

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

#if !NET_COMPACT_20 && TRACE_HANDLE
                try
                {
                    Trace.WriteLine(HelperMethods.StringFormat(
                        CultureInfo.CurrentCulture,
                        "FinalizeStatement: {0}", localHandle)); /* throw */
                }
                catch
                {
                }
#endif
................................................................................
                    {
                        SQLiteBase.FinalizeStatement(cnn, handle);
                        SetHandle(IntPtr.Zero);
                    }
                }
#endif
#if COUNT_HANDLE
                Interlocked.Decrement(ref DebugData.statementCount);

#endif
#if DEBUG
                return true;
#endif
            }
#if !NET_COMPACT_20 && TRACE_HANDLE
            catch (SQLiteException e)
................................................................................
#else
            catch (SQLiteException)
#endif
            {
#if !NET_COMPACT_20 && TRACE_HANDLE
                try
                {
                    Trace.WriteLine(HelperMethods.StringFormat(
                        CultureInfo.CurrentCulture,
                        "FinalizeStatement: {0}, exception: {1}",
                        handle, e)); /* throw */
                }
                catch
                {
                }
................................................................................
        }

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

#if COUNT_HANDLE
        public int WasReleasedOk()
        {
            return Interlocked.Decrement(ref DebugData.statementCount);

        }
#endif

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

        public override bool IsInvalid
        {
................................................................................

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

        private SQLiteBackupHandle()
            : base(IntPtr.Zero)
        {
#if COUNT_HANDLE
            Interlocked.Increment(ref DebugData.backupCount);

#endif
        }

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

        protected override bool ReleaseHandle()
        {
................................................................................

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

#if !NET_COMPACT_20 && TRACE_HANDLE
                try
                {
                    Trace.WriteLine(HelperMethods.StringFormat(
                        CultureInfo.CurrentCulture,
                        "FinishBackup: {0}", localHandle)); /* throw */
                }
                catch
                {
                }
#endif
................................................................................
                    {
                        SQLiteBase.FinishBackup(cnn, handle);
                        SetHandle(IntPtr.Zero);
                    }
                }
#endif
#if COUNT_HANDLE
                Interlocked.Decrement(ref DebugData.backupCount);

#endif
#if DEBUG
                return true;
#endif
            }
#if !NET_COMPACT_20 && TRACE_HANDLE
            catch (SQLiteException e)
................................................................................
#else
            catch (SQLiteException)
#endif
            {
#if !NET_COMPACT_20 && TRACE_HANDLE
                try
                {
                    Trace.WriteLine(HelperMethods.StringFormat(
                        CultureInfo.CurrentCulture,
                        "FinishBackup: {0}, exception: {1}",
                        handle, e)); /* throw */
                }
                catch
                {
                }
................................................................................
        }

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

#if COUNT_HANDLE
        public int WasReleasedOk()
        {
            return Interlocked.Decrement(ref DebugData.backupCount);

        }
#endif

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

        public override bool IsInvalid
        {

Changes to Tests/tkt-58ed318f2f.eagle.

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runSQLiteTestPrologue

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

proc getSettingReadCount { name } {
  if {[haveConstraint buildConfiguration.Debug] && [catch {
    object invoke -flags +NonPublic -alias \
        System.Data.SQLite.UnsafeNativeMethods settingReadCounts
  } settingReadCounts] == 0} then {
    if {[$settingReadCounts TryGetValue $name value]} then {
      tputs $::test_channel [appendArgs \
          "---- setting \"" $name "\" was read " $value " times\n"]

      return $value
    }







|







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runSQLiteTestPrologue

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

proc getSettingReadCount { name } {
  if {[haveConstraint buildConfiguration.Debug] && [catch {
    object invoke -flags +NonPublic -alias \
        System.Data.SQLite.DebugData settingReadCounts
  } settingReadCounts] == 0} then {
    if {[$settingReadCounts TryGetValue $name value]} then {
      tputs $::test_channel [appendArgs \
          "---- setting \"" $name "\" was read " $value " times\n"]

      return $value
    }

Changes to lib/System.Data.SQLite/common.eagle.

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              defineConstant.System.Data.SQLite.COUNT_HANDLE]} then {
        #
        # NOTE: Add each critical handle count to the resulting list.
        #
        foreach name [list connectionCount statementCount backupCount] {
          if {[catch {
            object invoke -flags +NonPublic \
                System.Data.SQLite.UnsafeNativeMethods $name
          } value] == 0} then {
            if {!$quiet} then {
              tputs $channel [appendArgs \
                  "---- critical handle count \"" $name "\" is " $value \n]
            }

            lappend result $value







|







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              defineConstant.System.Data.SQLite.COUNT_HANDLE]} then {
        #
        # NOTE: Add each critical handle count to the resulting list.
        #
        foreach name [list connectionCount statementCount backupCount] {
          if {[catch {
            object invoke -flags +NonPublic \
                System.Data.SQLite.DebugData $name
          } value] == 0} then {
            if {!$quiet} then {
              tputs $channel [appendArgs \
                  "---- critical handle count \"" $name "\" is " $value \n]
            }

            lappend result $value