System.Data.SQLite

###############################################################################
############################### NuGet Packages ################################
###############################################################################

set manifests(System.Data.SQLite..nupkg) [list sds \
    nuGetMetadata nuGetPrimary]

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

set manifests(System.Data.SQLite.Core..nupkg) [list sds \
    nuGetMetadata nuGetCoreManaged nuGetCoreNative nuGetCore]

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

set manifests(System.Data.SQLite.Core.MSIL..nupkg) [list sds \
    nuGetMetadata nuGetCoreManaged nuGetCoreMsil]

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

set manifests(System.Data.SQLite.EF6..nupkg) [list sds \
    nuGetMetadata nuGetEf6]

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

set manifests(System.Data.SQLite.Linq..nupkg) [list sds \
    nuGetMetadata nuGetLinq]

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

set manifests(System.Data.SQLite.MSIL..nupkg) [list sds \
    nuGetMetadata nuGetMsil]

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

set manifests(System.Data.SQLite.x64..nupkg) [list sds \
    nuGetMetadata nuGetCoreManaged nuGetX64]

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

set manifests(System.Data.SQLite.x86..nupkg) [list sds \
    nuGetMetadata nuGetCoreManaged nuGetX86]

###############################################################################
# end of file

    # HACK: Special hack to allow "CLRvX" to appear in the
    #       manifest file names, part 1, the vanishing.
    #
    set manifest [string map \
        [list CLRv2 CLRvTWO CLRv4 CLRvFOUR] $manifest]

    #
    # HACK: Special hack to allow "EF6", "Win32", "x64", and
    #       "x86" to appear in the manifest file names, part 1,
    #       the vanishing.
    #
    set manifest [string map \
        [list EF6 EF-SIX Win32 Win-THIRTYTWO x64 x-SIXTYFOUR \
        x86 x-EIGHTYSIX] $manifest]

    #
    # HACK: Attempt to match and remove sub-strings from the
    #       manifest file name that look like a version number
    #       in the format "<major>.<minor>.<build>.<revision>"
    #       and/or a date/time string matching the format
    #       "YYYY-MM-DD-NN" (where the NN portion is a generic
    #       incrementing sequence number).
    #
    regsub -- {\d+\.\d+\.\d+\.\d+} $manifest {} manifest
    regsub -- {\d{4}-\d{2}-\d{2}-\d{2}} $manifest {} manifest

    #
    # HACK: Special hack to allow "CLRvX" to appear in the
    #       manifest file names, part 2, the return.
    #
    set manifest [string map \
        [list CLRvTWO CLRv2 CLRvFOUR CLRv4] $manifest]

    #
    # HACK: Special hack to allow "EF6", "Win32", "x64", and
    #       "x86" to appear in the manifest file names, part 2,
    #       the return.
    #
    set manifest [string map \
        [list EF-SIX EF6 Win-THIRTYTWO Win32 x-SIXTYFOUR x64 \
        x-EIGHTYSIX x86] $manifest]

    #
    # HACK: Fixup manifest file names that correspond to the
    #       NuGet packages for SymbolSource.
    #
    if {[regexp -- {[/\\]SymbolSource[/\\]} $archiveFileName]} then {
      set manifest [string map [list .. .Source..] $manifest]

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

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

            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;

        if (HelperMethods.LogBind(flags))
        {
            LogBind(handle, index, value);
        }

#if !PLATFORM_COMPACTFRAMEWORK
        SQLiteErrorCode n = UnsafeNativeMethods.sqlite3_bind_double(handle, index, value);
        if (n != SQLiteErrorCode.Ok) throw new SQLiteException(n, GetLastError());
#elif !SQLITE_STANDARD
        SQLiteErrorCode n = UnsafeNativeMethods.sqlite3_bind_double_interop(handle, index, ref value);
        if (n != SQLiteErrorCode.Ok) throw new SQLiteException(n, GetLastError());
#else
        throw new NotImplementedException();
#endif
    }

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

        if (HelperMethods.LogBind(flags))
        {
            LogBind(handle, index, value);
        }

        SQLiteErrorCode n = UnsafeNativeMethods.sqlite3_bind_int(handle, index, value);
        if (n != SQLiteErrorCode.Ok) throw new SQLiteException(n, GetLastError());
    }

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

        if (HelperMethods.LogBind(flags))
        {
            LogBind(handle, index, value);
        }

        SQLiteErrorCode n;

        if ((flags & SQLiteConnectionFlags.BindUInt32AsInt64) == SQLiteConnectionFlags.BindUInt32AsInt64)

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

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

        if (HelperMethods.LogBind(flags))
        {
            LogBind(handle, index, value);
        }

#if !PLATFORM_COMPACTFRAMEWORK
        SQLiteErrorCode n = UnsafeNativeMethods.sqlite3_bind_int64(handle, index, value);
        if (n != SQLiteErrorCode.Ok) throw new SQLiteException(n, GetLastError());
#elif !SQLITE_STANDARD
        SQLiteErrorCode n = UnsafeNativeMethods.sqlite3_bind_int64_interop(handle, index, ref value);
        if (n != SQLiteErrorCode.Ok) throw new SQLiteException(n, GetLastError());
#else
        throw new NotImplementedException();
#endif
    }

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

        if (HelperMethods.LogBind(flags))
        {
            LogBind(handle, index, value);
        }

#if !PLATFORM_COMPACTFRAMEWORK
        SQLiteErrorCode n = UnsafeNativeMethods.sqlite3_bind_uint64(handle, index, value);
        if (n != SQLiteErrorCode.Ok) throw new SQLiteException(n, GetLastError());
#elif !SQLITE_STANDARD
        SQLiteErrorCode n = UnsafeNativeMethods.sqlite3_bind_uint64_interop(handle, index, ref value);
        if (n != SQLiteErrorCode.Ok) throw new SQLiteException(n, GetLastError());
#else
        throw new NotImplementedException();
#endif
    }

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

        if (HelperMethods.LogBind(flags))
        {
            LogBind(handle, index, value);
        }

        int value2 = value ? 1 : 0;

        SQLiteErrorCode n = UnsafeNativeMethods.sqlite3_bind_int(handle, index, value2);
        if (n != SQLiteErrorCode.Ok) throw new SQLiteException(n, GetLastError());
    }

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

        if (HelperMethods.LogBind(flags))
        {
            LogBind(handle, index, value);
        }

        byte[] b = ToUTF8(value);

        if (HelperMethods.LogBind(flags))
        {
            LogBind(handle, index, b);
        }

        SQLiteErrorCode n = UnsafeNativeMethods.sqlite3_bind_text(handle, index, b, b.Length - 1, (IntPtr)(-1));
        if (n != SQLiteErrorCode.Ok) throw new SQLiteException(n, GetLastError());
    }

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

        if (HelperMethods.LogBind(flags))
        {
            LogBind(handle, index, dt);
        }

        if ((flags & SQLiteConnectionFlags.BindDateTimeWithKind) == SQLiteConnectionFlags.BindDateTimeWithKind)
        {
            if ((_datetimeKind != DateTimeKind.Unspecified) &&

        switch (_datetimeFormat)
        {
            case SQLiteDateFormats.Ticks:
                {
                    long value = dt.Ticks;

                    if (HelperMethods.LogBind(flags))
                    {
                        LogBind(handle, index, value);
                    }

#if !PLATFORM_COMPACTFRAMEWORK
                    SQLiteErrorCode n = UnsafeNativeMethods.sqlite3_bind_int64(handle, index, value);
                    if (n != SQLiteErrorCode.Ok) throw new SQLiteException(n, GetLastError());
                    break;
#elif !SQLITE_STANDARD
                    SQLiteErrorCode n = UnsafeNativeMethods.sqlite3_bind_int64_interop(handle, index, ref value);
                    if (n != SQLiteErrorCode.Ok) throw new SQLiteException(n, GetLastError());
                    break;
#else
                    throw new NotImplementedException();
#endif
                }
            case SQLiteDateFormats.JulianDay:
                {
                    double value = ToJulianDay(dt);

                    if (HelperMethods.LogBind(flags))
                    {
                        LogBind(handle, index, value);
                    }

#if !PLATFORM_COMPACTFRAMEWORK
                    SQLiteErrorCode n = UnsafeNativeMethods.sqlite3_bind_double(handle, index, value);
                    if (n != SQLiteErrorCode.Ok) throw new SQLiteException(n, GetLastError());
                    break;
#elif !SQLITE_STANDARD
                    SQLiteErrorCode n = UnsafeNativeMethods.sqlite3_bind_double_interop(handle, index, ref value);
                    if (n != SQLiteErrorCode.Ok) throw new SQLiteException(n, GetLastError());
                    break;
#else
                    throw new NotImplementedException();
#endif
                }
            case SQLiteDateFormats.UnixEpoch:
                {
                    long value = Convert.ToInt64(dt.Subtract(UnixEpoch).TotalSeconds);

                    if (HelperMethods.LogBind(flags))
                    {
                        LogBind(handle, index, value);
                    }

#if !PLATFORM_COMPACTFRAMEWORK
                    SQLiteErrorCode n = UnsafeNativeMethods.sqlite3_bind_int64(handle, index, value);
                    if (n != SQLiteErrorCode.Ok) throw new SQLiteException(n, GetLastError());
                    break;
#elif !SQLITE_STANDARD
                    SQLiteErrorCode n = UnsafeNativeMethods.sqlite3_bind_int64_interop(handle, index, ref value);
                    if (n != SQLiteErrorCode.Ok) throw new SQLiteException(n, GetLastError());
                    break;
#else
                    throw new NotImplementedException();
#endif
                }
            default:
                {
                    byte[] b = ToUTF8(dt);

                    if (HelperMethods.LogBind(flags))
                    {
                        LogBind(handle, index, b);
                    }

                    SQLiteErrorCode n = UnsafeNativeMethods.sqlite3_bind_text(handle, index, b, b.Length - 1, (IntPtr)(-1));
                    if (n != SQLiteErrorCode.Ok) throw new SQLiteException(n, GetLastError());
                    break;
                }
        }
    }

    internal override void Bind_Blob(SQLiteStatement stmt, SQLiteConnectionFlags flags, int index, byte[] blobData)
    {
        SQLiteStatementHandle handle = stmt._sqlite_stmt;

        if (HelperMethods.LogBind(flags))
        {
            LogBind(handle, index, blobData);
        }

        SQLiteErrorCode n = UnsafeNativeMethods.sqlite3_bind_blob(handle, index, blobData, blobData.Length, (IntPtr)(-1));
        if (n != SQLiteErrorCode.Ok) throw new SQLiteException(n, GetLastError());
    }

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

        if (HelperMethods.LogBind(flags))
        {
            LogBind(handle, index);
        }

        SQLiteErrorCode n = UnsafeNativeMethods.sqlite3_bind_null(handle, index);
        if (n != SQLiteErrorCode.Ok) throw new SQLiteException(n, GetLastError());
    }

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

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

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

#if !SQLITE_STANDARD
        int len = 0;
        name = UTF8ToString(UnsafeNativeMethods.sqlite3_bind_parameter_name_interop(handle, index, ref len), len);
#else
        name = UTF8ToString(UnsafeNativeMethods.sqlite3_bind_parameter_name(handle, index), -1);
#endif

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

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

        return name;
    }

    internal override int Bind_ParamIndex(SQLiteStatement stmt, SQLiteConnectionFlags flags, string paramName)
    {
        SQLiteStatementHandle handle = stmt._sqlite_stmt;
        int index = UnsafeNativeMethods.sqlite3_bind_parameter_index(handle, ToUTF8(paramName));

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

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

    /// The flags for the associated <see cref="SQLiteConnection" /> object instance.
    /// </param>
    internal override void CreateModule(SQLiteModule module, SQLiteConnectionFlags flags)
    {
        if (module == null)
            throw new ArgumentNullException("module");

        if (HelperMethods.NoLogModule(flags))
        {
            module.LogErrors = HelperMethods.LogModuleError(flags);
            module.LogExceptions = HelperMethods.LogModuleException(flags);
        }

        if (_sql == null)
            throw new SQLiteException("connection has an invalid handle");

        bool isLoadNeeded = false;
        string fileName = GetShimExtensionFileName(ref isLoadNeeded);

                {
                    base.Bind_DateTime(stmt, flags, index, dt);
                    break;
                }
            default:
                {
#if !PLATFORM_COMPACTFRAMEWORK
                    if (HelperMethods.LogBind(flags))
                    {
                        SQLiteStatementHandle handle =
                            (stmt != null) ? stmt._sqlite_stmt : null;

                        LogBind(handle, index, dt);
                    }
#endif

                    Bind_Text(stmt, flags, index, ToString(dt));
                    break;
                }
        }
    }

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

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

        SQLiteErrorCode n = UnsafeNativeMethods.sqlite3_bind_text16(handle, index, value, value.Length * 2, (IntPtr)(-1));
        if (n != SQLiteErrorCode.Ok) throw new SQLiteException(n, GetLastError());

                //
                if (pages == 0)
                    break;
            }
        }
        catch (Exception e)
        {
            if (HelperMethods.LogBackup(_flags))
            {
                SQLiteLog.LogMessage(HelperMethods.StringFormat(
                    CultureInfo.CurrentCulture,
                    "Caught exception while backing up database: {0}", e));
            }

            throw;

            return eventArgs.ReturnCode;
        }
        catch (Exception e) /* NOTE: Must catch ALL. */
        {
            try
            {

                if (HelperMethods.LogCallbackExceptions(_flags))
                {
                    SQLiteLog.LogMessage(SQLiteBase.COR_E_EXCEPTION,
                        HelperMethods.StringFormat(CultureInfo.CurrentCulture,
                        UnsafeNativeMethods.ExceptionMessageFormat,
                        "Progress", e)); /* throw */
                }
            }
            catch
            {
                // do nothing.
            }
        }

            return eventArgs.ReturnCode;
        }
        catch (Exception e) /* NOTE: Must catch ALL. */
        {
            try
            {

                if (HelperMethods.LogCallbackExceptions(_flags))
                {
                    SQLiteLog.LogMessage(SQLiteBase.COR_E_EXCEPTION,
                        HelperMethods.StringFormat(CultureInfo.CurrentCulture,
                        UnsafeNativeMethods.ExceptionMessageFormat,
                        "Authorize", e)); /* throw */
                }
            }
            catch
            {
                // do nothing.
            }
        }

              (UpdateEventType)type,
              rowid));
        }
        catch (Exception e) /* NOTE: Must catch ALL. */
        {
            try
            {

                if (HelperMethods.LogCallbackExceptions(_flags))
                {
                    SQLiteLog.LogMessage(SQLiteBase.COR_E_EXCEPTION,
                        HelperMethods.StringFormat(CultureInfo.CurrentCulture,
                        UnsafeNativeMethods.ExceptionMessageFormat,
                        "Update", e)); /* throw */
                }
            }
            catch
            {
                // do nothing.
            }
        }

                _traceHandler(this, new TraceEventArgs(
                  SQLiteBase.UTF8ToString(statement, -1)));
        }
        catch (Exception e) /* NOTE: Must catch ALL. */
        {
            try
            {

                if (HelperMethods.LogCallbackExceptions(_flags))
                {
                    SQLiteLog.LogMessage(SQLiteBase.COR_E_EXCEPTION,
                        HelperMethods.StringFormat(CultureInfo.CurrentCulture,
                        UnsafeNativeMethods.ExceptionMessageFormat,
                        "Trace", e)); /* throw */
                }
            }
            catch
            {
                // do nothing.
            }
        }

            return (e.AbortTransaction == true) ? 1 : 0;
        }
        catch (Exception e) /* NOTE: Must catch ALL. */
        {
            try
            {

                if (HelperMethods.LogCallbackExceptions(_flags))
                {
                    SQLiteLog.LogMessage(SQLiteBase.COR_E_EXCEPTION,
                        HelperMethods.StringFormat(CultureInfo.CurrentCulture,
                        UnsafeNativeMethods.ExceptionMessageFormat,
                        "Commit", e)); /* throw */
                }
            }
            catch
            {
                // do nothing.
            }
        }

            if (_rollbackHandler != null)
                _rollbackHandler(this, EventArgs.Empty);
        }
        catch (Exception e) /* NOTE: Must catch ALL. */
        {
            try
            {

                if (HelperMethods.LogCallbackExceptions(_flags))
                {
                    SQLiteLog.LogMessage(SQLiteBase.COR_E_EXCEPTION,
                        HelperMethods.StringFormat(CultureInfo.CurrentCulture,
                        UnsafeNativeMethods.ExceptionMessageFormat,
                        "Rollback", e)); /* throw */
                }
            }
            catch
            {
                // do nothing.
            }
        }

            SetReturnValue(context,
                Invoke(ConvertParams(nArgs, argsptr))); /* throw */
        }
        catch (Exception e) /* NOTE: Must catch ALL. */
        {
            try
            {

                if (HelperMethods.LogCallbackExceptions(_flags))
                {
                    SQLiteLog.LogMessage(SQLiteBase.COR_E_EXCEPTION,
                        HelperMethods.StringFormat(CultureInfo.CurrentCulture,
                        UnsafeNativeMethods.ExceptionMessageFormat,
                        "Invoke", e)); /* throw */
                }
            }
            catch
            {
                // do nothing.
            }
        }

            return Compare(SQLiteConvert.UTF8ToString(ptr1, len1),
                SQLiteConvert.UTF8ToString(ptr2, len2)); /* throw */
        }
        catch (Exception e) /* NOTE: Must catch ALL. */
        {
            try
            {

                if (HelperMethods.LogCallbackExceptions(_flags))
                {
                    SQLiteLog.LogMessage(SQLiteBase.COR_E_EXCEPTION,
                        HelperMethods.StringFormat(CultureInfo.CurrentCulture,
                        UnsafeNativeMethods.ExceptionMessageFormat,
                        "Compare", e)); /* throw */
                }
            }
            catch
            {
                // do nothing.
            }
        }

            return Compare(SQLite3_UTF16.UTF16ToString(ptr1, len1),
                SQLite3_UTF16.UTF16ToString(ptr2, len2)); /* throw */
        }
        catch (Exception e) /* NOTE: Must catch ALL. */
        {
            try
            {

                if (HelperMethods.LogCallbackExceptions(_flags))
                {
                    SQLiteLog.LogMessage(SQLiteBase.COR_E_EXCEPTION,
                        HelperMethods.StringFormat(CultureInfo.CurrentCulture,
                        UnsafeNativeMethods.ExceptionMessageFormat,
                        "Compare (UTF16)", e)); /* throw */
                }
            }
            catch
            {
                // do nothing.
            }
        }

                data._count++;
            }
        }
        catch (Exception e) /* NOTE: Must catch ALL. */
        {
            try
            {

                if (HelperMethods.LogCallbackExceptions(_flags))
                {
                    SQLiteLog.LogMessage(SQLiteBase.COR_E_EXCEPTION,
                        HelperMethods.StringFormat(CultureInfo.CurrentCulture,
                        UnsafeNativeMethods.ExceptionMessageFormat,
                        "Step", e)); /* throw */
                }
            }
            catch
            {
                // do nothing.
            }
        }

                if (disp != null) disp.Dispose(); /* throw */
            }
        }
        catch (Exception e) /* NOTE: Must catch ALL. */
        {
            try
            {

                if (HelperMethods.LogCallbackExceptions(_flags))
                {
                    SQLiteLog.LogMessage(SQLiteBase.COR_E_EXCEPTION,
                        HelperMethods.StringFormat(CultureInfo.CurrentCulture,
                        UnsafeNativeMethods.ExceptionMessageFormat,
                        "Final", e)); /* throw */
                }
            }
            catch
            {
                // do nothing.
            }
        }

                {
                    if (LogExceptionsNoThrow)
                    {
                        /* throw */
                        SQLiteLog.LogMessage(SQLiteBase.COR_E_EXCEPTION,
                            HelperMethods.StringFormat(
                            CultureInfo.CurrentCulture,
                            UnsafeNativeMethods.ExceptionMessageFormat,
                            destroy ? "xDestroy" : "xDisconnect", e));
                    }
                }
                catch
                {
                    // do nothing.
                }

                try
                {
                    if (logExceptions)
                    {
                        SQLiteLog.LogMessage(SQLiteBase.COR_E_EXCEPTION,
                            HelperMethods.StringFormat(
                            CultureInfo.CurrentCulture,
                            UnsafeNativeMethods.ExceptionMessageFormat,
                            "SetTableError", e)); /* throw */
                    }
                }
                catch
                {
                    // do nothing.
                }
            }

                    try
                    {
                        if (LogExceptionsNoThrow)
                        {
                            SQLiteLog.LogMessage(SQLiteBase.COR_E_EXCEPTION,
                                HelperMethods.StringFormat(
                                CultureInfo.CurrentCulture,
                                UnsafeNativeMethods.ExceptionMessageFormat,
                                "Dispose", e)); /* throw */
                        }
                    }
                    catch
                    {
                        // do nothing.
                    }
                }

      object obj = param.Value;
      DbType objType = param.DbType;

      if ((obj != null) && (objType == DbType.Object))
          objType = SQLiteConvert.TypeToDbType(obj.GetType());

      if (HelperMethods.LogPreBind(_flags))
      {
          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));

      }
      #endregion

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

      #region Internal Methods
      /// <summary>
      /// Determines if preparing a query should be logged.
      /// </summary>
      /// <param name="flags">
      /// The flags associated with the parent connection object.
      /// </param>
      /// <returns>
      /// Non-zero if the query preparation should be logged; otherwise, zero.
      /// </returns>
      internal static bool LogPrepare(
          SQLiteConnectionFlags flags
          )
      {
          flags &= SQLiteConnectionFlags.LogPrepare;
          return (flags == SQLiteConnectionFlags.LogPrepare);
      }

      /////////////////////////////////////////////////////////////////////////
      /// <summary>
      /// Determines if pre-parameter binding should be logged.
      /// </summary>
      /// <param name="flags">
      /// The flags associated with the parent connection object.
      /// </param>
      /// <returns>
      /// Non-zero if the pre-parameter binding should be logged; otherwise,
      /// zero.
      /// </returns>
      internal static bool LogPreBind(
          SQLiteConnectionFlags flags
          )
      {
          flags &= SQLiteConnectionFlags.LogPreBind;
          return (flags == SQLiteConnectionFlags.LogPreBind);
      }

      /////////////////////////////////////////////////////////////////////////
      /// <summary>
      /// Determines if parameter binding should be logged.
      /// </summary>
      /// <param name="flags">
      /// The flags associated with the parent connection object.
      /// </param>
      /// <returns>
      /// Non-zero if the parameter binding should be logged; otherwise, zero.
      /// </returns>
      internal static bool LogBind(
          SQLiteConnectionFlags flags
          )
      {
          flags &= SQLiteConnectionFlags.LogBind;
          return (flags == SQLiteConnectionFlags.LogBind);
      }

      /////////////////////////////////////////////////////////////////////////
      /// <summary>
      /// Determines if an exception in a native callback should be logged.
      /// </summary>
      /// <param name="flags">
      /// The flags associated with the parent connection object.
      /// </param>
      /// <returns>
      /// Non-zero if the exception should be logged; otherwise, zero.
      /// </returns>
      internal static bool LogCallbackExceptions(
          SQLiteConnectionFlags flags
          )
      {
          flags &= SQLiteConnectionFlags.LogCallbackException;
          return (flags == SQLiteConnectionFlags.LogCallbackException);
      }

      /////////////////////////////////////////////////////////////////////////
      /// <summary>
      /// Determines if backup API errors should be logged.
      /// </summary>
      /// <param name="flags">
      /// The flags associated with the parent connection object.
      /// </param>
      /// <returns>
      /// Non-zero if the backup API error should be logged; otherwise, zero.
      /// </returns>
      internal static bool LogBackup(
          SQLiteConnectionFlags flags
          )
      {
          flags &= SQLiteConnectionFlags.LogBackup;
          return (flags == SQLiteConnectionFlags.LogBackup);
      }

#if INTEROP_VIRTUAL_TABLE
      /////////////////////////////////////////////////////////////////////////
      /// <summary>
      /// Determines if logging for the <see cref="SQLiteModule" /> class is
      /// disabled.
      /// </summary>
      /// <param name="flags">
      /// The flags associated with the parent connection object.
      /// </param>
      /// <returns>
      /// Non-zero if logging for the <see cref="SQLiteModule" /> class is
      /// disabled; otherwise, zero.
      /// </returns>
      internal static bool NoLogModule(
          SQLiteConnectionFlags flags
          )
      {
          flags &= SQLiteConnectionFlags.NoLogModule;
          return (flags == SQLiteConnectionFlags.NoLogModule);
      }

      /////////////////////////////////////////////////////////////////////////
      /// <summary>
      /// Determines if <see cref="SQLiteModule" /> errors should be logged.
      /// </summary>
      /// <param name="flags">
      /// The flags associated with the parent connection object.
      /// </param>
      /// <returns>
      /// Non-zero if the <see cref="SQLiteModule" /> error should be logged;
      /// otherwise, zero.
      /// </returns>
      internal static bool LogModuleError(
          SQLiteConnectionFlags flags
          )
      {
          flags &= SQLiteConnectionFlags.LogModuleError;
          return (flags == SQLiteConnectionFlags.LogModuleError);
      }

      /////////////////////////////////////////////////////////////////////////
      /// <summary>
      /// Determines if <see cref="SQLiteModule" /> exceptions should be
      /// logged.
      /// </summary>
      /// <param name="flags">
      /// The flags associated with the parent connection object.
      /// </param>
      /// <returns>
      /// Non-zero if the <see cref="SQLiteModule" /> exception should be
      /// logged; otherwise, zero.
      /// </returns>
      internal static bool LogModuleException(
          SQLiteConnectionFlags flags
          )
      {
          flags &= SQLiteConnectionFlags.LogModuleException;
          return (flags == SQLiteConnectionFlags.LogModuleException);
      }
#endif

      /////////////////////////////////////////////////////////////////////////
      /// <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()

  /// This class declares P/Invoke methods to call native SQLite APIs.
  /// </summary>
#if !PLATFORM_COMPACTFRAMEWORK
  [SuppressUnmanagedCodeSecurity]
#endif
  internal static class UnsafeNativeMethods
  {
      public const string ExceptionMessageFormat =
          "Caught exception in \"{0}\" method: {1}";

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

      #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";