public function __construct($id = NULL)
{
parent::__construct();
$this->setTableDefs($this->table_defs);
$this->initialize($id);
if ($id != NULL) {
$this->needs_loading = TRUE;
}
}
protected function createTable($foo = null)
{
// First: take care of the obligations to this function call.
parent::createTable($foo);
// Next: attempt to make a delete trigger if our configuration allows it.
if ($this->createTriggers) {
$mapName = $this->getFullTableName();
$fromTableName = $this->from->getFullTableName();
$fromPrimary = $this->from->findTableKey();
$toTableName = $this->to->getFullTableName();
$toPrimary = $this->to->findTableKey();
$sql = $this->getSQLConnection();
$mapFromCol = MAP_FROM_COL;
$mapToCol = MAP_TO_COL;
$fromQuery = <<<QUERY
\t\t\t\tCREATE TRIGGER {$mapName}_FromDeleteTrigger
\t\t\t\t AFTER DELETE ON {$fromTableName}
\t\t\t\t FOR EACH ROW
\t\t\t\t DELETE FROM {$mapName} WHERE {$mapFromCol}=OLD.{$fromPrimary}
QUERY;
$toQuery = <<<QUERY
\t\t\t\tCREATE TRIGGER {$mapName}_ToDeleteTrigger
\t\t\t\t AFTER DELETE ON {$toTableName}
\t\t\t\t FOR EACH ROW
\t\t\t\t DELETE FROM {$mapName} WHERE {$mapToCol}=OLD.{$toPrimary}
QUERY;
dbm_debug("system query", $fromQuery);
mysql_query($fromQuery, $sql) or die($fromQuery . "\n\n" . mysql_error());
dbm_debug("system query", $toQuery);
mysql_query($toQuery, $sql) or die($toQuery . "\n\n" . mysql_error());
}
}