public function renameColumn($old, $new)
    {
        $this->append(sprintf(' RENAME COLUMN %s TO %s ', $this->quote($old), $this->quote($new)));
        return $this;
    }
public function renameColumn($old, $new)
    {
        $this->append(sprintf(' RENAME COLUMN %s TO %s ', $this->quote($old), $this->quote($new)));
        return $this;
    }
public function renameColumn ( $ old , $ new ) { $ this -> append ( sprintf ( ' RENAME COLUMN %s TO %s ' , $ this -> quote ( $ old ) , $ this -> quote ( $ new ) ) ) ; return $ this ; }
Appends "RENAME COLUMN TO" statement

@param string $old Old name
@param string $new New name
@return \Krystal\Db\Sql\QueryBuilder
Appends RENAME COLUMN TO statement