function db_ignore_slave in Drupal 7
Sets a session variable specifying the lag time for ignoring a slave server.
2 calls to db_ignore_slave()
- comment_save in modules/
comment/ comment.module - Accepts a submission of new or changed comment content.
- node_save in modules/
node/ node.module - Saves changes to a node or adds a new node.
File
- includes/
database/ database.inc, line 3153 - Core systems for the database layer.
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;
}
}