System.Data.SQLite
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Overview
Comment:Prevent logging superfluous messages having to do with library initialization checking, ticket [e30b820248].
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Files: files | file ages | folders
SHA1: c3b4597979bb09445b580b7976cdc2ccd9f0e134
User & Date: mistachkin 2011-12-17 01:01:42
References
2014-02-07
01:05 Ticket [e30b820248] API called with finalized prepared statement status still Closed with 4 other changes artifact: 0a3da9e702 user: mistachkin
2012-01-05
23:42 Closed ticket [3fc172d1be]: SQLite error (21): misuse at line 110832 of [a499ae3835] plus 4 other changes artifact: cb1e51038d user: mistachkin
2011-12-17
01:02 Ticket [e30b820248] API called with finalized prepared statement status still Pending with 1 other change artifact: 695a44b5b8 user: mistachkin
Context
2011-12-19
06:03
Initial draft of the revised release procedures. check-in: 3cf54e3ed1 user: mistachkin tags: trunk
2011-12-17
01:01
Prevent logging superfluous messages having to do with library initialization checking, ticket [e30b820248]. check-in: c3b4597979 user: mistachkin tags: trunk
2011-12-16
08:59
Revise the CLR method used to query the amount of memory in use for the unit test infrastructure. check-in: ef31bb555b user: mistachkin tags: trunk
Changes
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Changes to System.Data.SQLite/SQLite3.cs.

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    /// <returns>
    /// A boolean indicating whether or not the SQLite core library has been
    /// initialized for the current process.
    /// </returns>
    internal static bool StaticIsInitialized()
    {
        //









        // NOTE: This method [ab]uses the fact that SQLite will always
        //       return SQLITE_ERROR for any unknown configuration option
        //       *unless* the SQLite library has already been initialized.
        //       In that case it will always return SQLITE_MISUSE.
        //
        int rc = UnsafeNativeMethods.sqlite3_config(
            (int)SQLiteConfigOpsEnum.SQLITE_CONFIG_NONE, null, (IntPtr)0);

        return (rc == /* SQLITE_MISUSE */ 21);





    }

    /// <summary>
    /// Helper function to retrieve a column of data from an active statement.
    /// </summary>
    /// <param name="stmt">The statement being step()'d through</param>
    /// <param name="index">The column index to retrieve</param>







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    /// <returns>
    /// A boolean indicating whether or not the SQLite core library has been
    /// initialized for the current process.
    /// </returns>
    internal static bool StaticIsInitialized()
    {
        //
        // NOTE: Save the state of the logging class and then restore it
        //       after we are done to avoid logging too many false errors.
        //
        bool savedEnabled = SQLiteLog.Enabled;
        SQLiteLog.Enabled = false;

        try
        {
            //
            // NOTE: This method [ab]uses the fact that SQLite will always
            //       return SQLITE_ERROR for any unknown configuration option
            //       *unless* the SQLite library has already been initialized.
            //       In that case it will always return SQLITE_MISUSE.
            //
            int rc = UnsafeNativeMethods.sqlite3_config(
                (int)SQLiteConfigOpsEnum.SQLITE_CONFIG_NONE, null, (IntPtr)0);

            return (rc == /* SQLITE_MISUSE */ 21);
        }
        finally
        {
            SQLiteLog.Enabled = savedEnabled;
        }
    }

    /// <summary>
    /// Helper function to retrieve a column of data from an active statement.
    /// </summary>
    /// <param name="stmt">The statement being step()'d through</param>
    /// <param name="index">The column index to retrieve</param>