function db_ignore_slave

Sets a session variable specifying the lag time for ignoring a slave server.

File

includes/database/database.inc, line 3163

Code

function db_ignore_slave() {
    $connection_info = Database::getConnectionInfo();
    // Only set ignore_slave_server if there are slave servers being used, which
    // is assumed if there are more than one.
    if (count($connection_info) > 1) {
        // Five minutes is long enough to allow the slave to break and resume
        // interrupted replication without causing problems on the Drupal site from
        // the old data.
        $duration = variable_get('maximum_replication_lag', 300);
        // Set session variable with amount of time to delay before using slave.
        $_SESSION['ignore_slave_server'] = REQUEST_TIME + $duration;
    }
}