Decreases the depth of transaction nesting.
If we pop off the last transaction layer, then we either commit or roll back the transaction as necessary. If no transaction is active, we return because the transaction may have manually been rolled back.
$name: The name of the savepoint
DatabaseTransactionNoActiveException
DatabaseTransactionCommitFailedException
Overrides DatabaseConnection::popTransaction
public function popTransaction($name) {
if ($this->savepointSupport) {
return parent::popTransaction($name);
}
if (!$this
->supportsTransactions()) {
return;
}
if (!$this
->inTransaction()) {
throw new DatabaseTransactionNoActiveException();
}
// Commit everything since SAVEPOINT $name.
while ($savepoint = array_pop($this->transactionLayers)) {
if ($savepoint != $name) {
continue;
}
// If there are no more layers left then we should commit or rollback.
if (empty($this->transactionLayers)) {
// If there was any rollback() we should roll back whole transaction.
if ($this->willRollback) {
$this->willRollback = FALSE;
PDO::rollBack();
}
elseif (!PDO::commit()) {
throw new DatabaseTransactionCommitFailedException();
}
}
else {
break;
}
}
}