public function rollback()
{
if ($this->state == self::DB_TRANSACTION_STARTED) {
if (B2DB::getDBLink()->rollback()) {
$this->state = self::DB_TRANSACTION_ROLLEDBACK;
B2DB::setTransaction(false);
} else {
throw new B2DBException('Error rolling back transaction: ' . B2DB::getDBLink()->error);
}
} else {
throw new B2DBException('There is no active transaction');
}
}
/**
* Prepare the statement
*/
protected function _prepare()
{
try {
if (!B2DB::getDBLink() instanceof PDO) {
throw new B2DBException('Connection not up, can\'t prepare the statement');
}
if ($this->crit instanceof B2DBCriteria) {
$this->statement = B2DB::getDBLink()->prepare($this->crit->getSQL());
} else {
$this->statement = B2DB::getDBLink()->prepare($this->custom_sql);
}
} catch (Exception $e) {
throw $e;
}
}
