function Connection::rollBack
Rolls back the transaction entirely or to a named savepoint.
This method throws an exception if no transaction is active.
Parameters
string $savepoint_name: (optional) The name of the savepoint. The default, 'drupal_transaction', will roll the entire transaction back.
Throws
\Drupal\Core\Database\TransactionOutOfOrderException
\Drupal\Core\Database\TransactionNoActiveException
Deprecated
in drupal:10.2.0 and is removed from drupal:11.0.0. Do not rollback the connection, roll back the Transaction objects instead.
See also
\Drupal\Core\Database\Transaction::rollBack()
https://www.drupal.org/node/3381002
File
- 
              core/lib/ Drupal/ Core/ Database/ Connection.php, line 1505 
Class
- Connection
- Base Database API class.
Namespace
Drupal\Core\DatabaseCode
public function rollBack($savepoint_name = 'drupal_transaction') {
  @trigger_error(__METHOD__ . '() is deprecated in drupal:10.2.0 and is removed from drupal:11.0.0. Do not rollback the connection, roll back the Transaction objects instead. See https://www.drupal.org/node/3381002', E_USER_DEPRECATED);
  if ($this->transactionManager()) {
    $this->transactionManager()
      ->rollback($savepoint_name, 'bc-force-rollback');
    return;
  }
  if (!$this->inTransaction()) {
    throw new TransactionNoActiveException();
  }
  // A previous rollback to an earlier savepoint may mean that the savepoint
  // in question has already been accidentally committed.
  if (!isset($this->transactionLayers[$savepoint_name])) {
    throw new TransactionNoActiveException();
  }
  // We need to find the point we're rolling back to, all other savepoints
  // before are no longer needed. If we rolled back other active savepoints,
  // we need to throw an exception.
  $rolled_back_other_active_savepoints = FALSE;
  while ($savepoint = array_pop($this->transactionLayers)) {
    if ($savepoint == $savepoint_name) {
      // If it is the last the transaction in the stack, then it is not a
      // savepoint, it is the transaction itself so we will need to roll back
      // the transaction rather than a savepoint.
      if (empty($this->transactionLayers)) {
        break;
      }
      $this->query('ROLLBACK TO SAVEPOINT ' . $savepoint);
      $this->popCommittableTransactions();
      if ($rolled_back_other_active_savepoints) {
        throw new TransactionOutOfOrderException();
      }
      return;
    }
    else {
      $rolled_back_other_active_savepoints = TRUE;
    }
  }
  // Notify the callbacks about the rollback.
  $callbacks = $this->rootTransactionEndCallbacks;
  $this->rootTransactionEndCallbacks = [];
  foreach ($callbacks as $callback) {
    call_user_func($callback, FALSE);
  }
  $this->connection
    ->rollBack();
  if ($rolled_back_other_active_savepoints) {
    throw new TransactionOutOfOrderException();
  }
}Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.
