Version 1.8
SELECT * FROM VWAP ( ON { table | view | (query) } PARTITION BY expression [,...] ORDER BY time_column DESC [ USING [ Price ('price_column') ] [ Volume ('volume_column') ] [ TimeInterval (number_of_seconds) ] [ TimeColumn ('time_column') ] [ Accumulate ({ 'accumulate_column' | accumulate_column_range }[,...]) ] ] ) AS alias;