/**
* Cancel any database changes done during a transaction or since a specific
* savepoint that is in progress. This function may only be called when
* auto-committing is disabled, otherwise it will fail. Therefore, a new
* transaction is implicitly started after canceling the pending changes.
*
* this method can be listened with onPreTransactionRollback and onTransactionRollback
* eventlistener methods
*
* @param string $savepoint Name of a savepoint to rollback to.
* @throws Doctrine\DBAL\ConnectionException If the rollback operation fails at database level.
* @return boolean FALSE if rollback couldn't be performed, TRUE otherwise.
*/
public function rollback()
{
if ($this->_transactionNestingLevel == 0) {
throw ConnectionException::rollbackFailedNoActiveTransaction();
}
$this->connect();
if ($this->_transactionNestingLevel == 1) {
$this->_transactionNestingLevel = 0;
$this->_conn->rollback();
}
--$this->_transactionNestingLevel;
return true;
}
/**
* Cancel any database changes done during a transaction or since a specific
* savepoint that is in progress. This function may only be called when
* auto-committing is disabled, otherwise it will fail. Therefore, a new
* transaction is implicitly started after canceling the pending changes.
*
* this method can be listened with onPreTransactionRollback and onTransactionRollback
* eventlistener methods
*
* @throws ConnectionException If the rollback operation failed.
*/
public function rollback()
{
if ($this->_transactionNestingLevel == 0) {
throw ConnectionException::rollbackFailedNoActiveTransaction();
}
$this->connect();
if ($this->_transactionNestingLevel == 1) {
$this->_transactionNestingLevel = 0;
$this->_conn->rollback();
$this->_isRollbackOnly = false;
} else {
$this->_isRollbackOnly = true;
--$this->_transactionNestingLevel;
}
}
