/**
* Rolls back to the given savepoint.
*
* @param string $savepoint The name of the savepoint to rollback to.
*
* @return void
*
* @throws \Doctrine\DBAL\ConnectionException
*/
public function rollbackSavepoint($savepoint)
{
if (!$this->_platform->supportsSavepoints()) {
throw ConnectionException::savepointsNotSupported();
}
$this->_conn->exec($this->_platform->rollbackSavePoint($savepoint));
}
/**
* Sets if nested transactions should use savepoints.
*
* @param boolean $nestTransactionsWithSavepoints
*
* @return void
*
* @throws \Doctrine\DBAL\ConnectionException
*/
public function setNestTransactionsWithSavepoints($nestTransactionsWithSavepoints)
{
if ($this->_transactionNestingLevel > 0) {
throw ConnectionException::mayNotAlterNestedTransactionWithSavepointsInTransaction();
}
if (!$this->getDatabasePlatform()->supportsSavepoints()) {
throw ConnectionException::savepointsNotSupported();
}
$this->_nestTransactionsWithSavepoints = (bool) $nestTransactionsWithSavepoints;
}