Implements Drupal\Core\Config\StorageInterface::rename().
PDOException
Overrides StorageInterface::rename
public function rename($name, $new_name) {
$options = array(
'return' => Database::RETURN_AFFECTED,
) + $this->options;
return (bool) $this->connection
->update($this->table, $options)
->fields(array(
'name' => $new_name,
))
->condition('name', $name)
->execute();
}