public function DatabaseConnection_sqlite::rollback

7.x database.inc public DatabaseConnection_sqlite::rollback($savepoint_name = 'drupal_transaction')

Rolls back the transaction entirely or to a named savepoint.

This method throws an exception if no transaction is active.

Parameters

$savepoint_name: The name of the savepoint. The default, 'drupal_transaction', will roll the entire transaction back.

Throws

DatabaseTransactionNoActiveException

Overrides DatabaseConnection::rollback

See also

DatabaseTransaction::rollback()

File

drupal/includes/database/sqlite/database.inc, line 299
Database interface code for SQLite embedded database engine.

Class

DatabaseConnection_sqlite
Specific SQLite implementation of DatabaseConnection.

Code

public function rollback($savepoint_name = 'drupal_transaction') {
  if ($this->savepointSupport) {
    return parent::rollBack($savepoint_name);
  }

  if (!$this->inTransaction()) {
    throw new DatabaseTransactionNoActiveException();
  }
  // A previous rollback to an earlier savepoint may mean that the savepoint
  // in question has already been rolled back.
  if (!in_array($savepoint_name, $this->transactionLayers)) {
    return;
  }

  // We need to find the point we're rolling back to, all other savepoints
  // before are no longer needed.
  while ($savepoint = array_pop($this->transactionLayers)) {
    if ($savepoint == $savepoint_name) {
      // Mark whole stack of transactions as needed roll back.
      $this->willRollback = TRUE;
      // If it is the last the transaction in the stack, then it is not a
      // savepoint, it is the transaction itself so we will need to roll back
      // the transaction rather than a savepoint.
      if (empty($this->transactionLayers)) {
        break;
      }
      return;
    }
  }
  if ($this->supportsTransactions()) {
    PDO::rollBack();
  }
}