System.Data.SQLite
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Overview
Comment:Add connection flags to allow loading of extensions and the creation of modules to be disabled.
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Timelines: family | ancestors | descendants | both | virtualTables
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SHA1: 1e947f24b66b1d897e588c5164c43a441e8b62ce
User & Date: mistachkin 2013-06-25 21:49:20
Context
2013-06-25
21:50
Add all the necessary infrastructure to allow virtual tables to be implemented in managed code. Fix for [9a544991be]. check-in: 2d35b79c48 user: mistachkin tags: trunk
21:49
Add connection flags to allow loading of extensions and the creation of modules to be disabled. Closed-Leaf check-in: 1e947f24b6 user: mistachkin tags: virtualTables
21:31
Modify the CHM building tool to fix internal links to inherited members. check-in: c888a45583 user: mistachkin tags: virtualTables
Changes
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Changes to System.Data.SQLite/SQLiteBase.cs.

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      /// <summary>
      /// When returning column values, always return them as though they were
      /// plain text (i.e. no numeric, date/time, or other conversions should
      /// be attempted).
      /// </summary>
      GetAllAsText = 0x100,













      /// <summary>
      /// When binding and returning column values, always treat them as though
      /// they were plain text (i.e. no numeric, date/time, or other conversions
      /// should be attempted).
      /// </summary>
      BindAndGetAllAsText = BindAllAsText | GetAllAsText,








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      /// <summary>
      /// When returning column values, always return them as though they were
      /// plain text (i.e. no numeric, date/time, or other conversions should
      /// be attempted).
      /// </summary>
      GetAllAsText = 0x100,

      /// <summary>
      /// Prevent this <see cref="SQLiteConnection" /> object instance from
      /// loading extensions.
      /// </summary>
      NoLoadExtension = 0x200,

      /// <summary>
      /// Prevent this <see cref="SQLiteConnection" /> object instance from
      /// creating virtual table modules.
      /// </summary>
      NoCreateModule = 0x400,

      /// <summary>
      /// When binding and returning column values, always treat them as though
      /// they were plain text (i.e. no numeric, date/time, or other conversions
      /// should be attempted).
      /// </summary>
      BindAndGetAllAsText = BindAllAsText | GetAllAsText,

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

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




        _sql.SetLoadExtension(enable);
    }

    /// <summary>
    /// Loads a SQLite extension library from the named dynamic link library file.
    /// </summary>
    /// <param name="fileName">
................................................................................
    {
        CheckDisposed();

        if (_sql == null)
            throw new InvalidOperationException(
                "Database connection not valid for loading extensions.");




        _sql.LoadExtension(fileName, procName);
    }

#if INTEROP_VIRTUAL_TABLE
    /// <summary>
    /// Creates a disposable module containing the implementation of a virtual
    /// table.
................................................................................
        )
    {
        CheckDisposed();

        if (_sql == null)
            throw new InvalidOperationException(
                "Database connection not valid for creating modules.");




        _sql.CreateModule(module);
    }
#endif

    /// <summary>
    /// Parses a string containing a sequence of zero or more hexadecimal







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        if (_sql == null)
            throw new InvalidOperationException(String.Format(
                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.");

        _sql.SetLoadExtension(enable);
    }

    /// <summary>
    /// Loads a SQLite extension library from the named dynamic link library file.
    /// </summary>
    /// <param name="fileName">
................................................................................
    {
        CheckDisposed();

        if (_sql == null)
            throw new InvalidOperationException(
                "Database connection not valid for loading extensions.");

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

        _sql.LoadExtension(fileName, procName);
    }

#if INTEROP_VIRTUAL_TABLE
    /// <summary>
    /// Creates a disposable module containing the implementation of a virtual
    /// table.
................................................................................
        )
    {
        CheckDisposed();

        if (_sql == null)
            throw new InvalidOperationException(
                "Database connection not valid for creating modules.");

        if ((_flags & SQLiteConnectionFlags.NoCreateModule) == SQLiteConnectionFlags.NoCreateModule)
            throw new SQLiteException("Creating modules is disabled for this database connection.");

        _sql.CreateModule(module);
    }
#endif

    /// <summary>
    /// Parses a string containing a sequence of zero or more hexadecimal