/**
* Convert foreign key constraints references to a valid
* stringified list
*
* @param string|array $references The referenced columns of a foreign key constraint statement
* @return string
*/
protected function _convertConstraintColumns($references)
{
if (is_string($references)) {
return $this->_driver->quoteIdentifier($references);
}
return implode(', ', array_map([$this->_driver, 'quoteIdentifier'], $references));
}
/**
* Rollback a save point by its name.
*
* @param string $name The save point name.
* @return void
*/
public function rollbackSavepoint($name)
{
$this->execute($this->_driver->rollbackSavePointSQL($name))->closeCursor();
}
