public function renameColumn($old, $new, $table = null)
    {
        return $this->db->alterTable($this->getTable($table))
                        ->renameColumn($old, $new)
                        ->execute();
    }
public function renameColumn($old, $new, $table = null)
    {
        return $this->db->alterTable($this->getTable($table))
                        ->renameColumn($old, $new)
                        ->execute();
    }
public function renameColumn ( $ old , $ new , $ table = null ) { return $ this -> db -> alterTable ( $ this -> getTable ( $ table ) ) -> renameColumn ( $ old , $ new ) -> execute ( ) ; }
Renames a column

@param string $old Old name
@param string $new New name
@param string $table Table name. By default it uses mapper's table
@return boolean
Renames a column