/* syntax version 1 */
/* postgres can not */
SELECT
    MULTI_AGGREGATE_BY(nums, AGGREGATION_FACTORY("minby"))
FROM (select TableRow() as nums from AS_TABLE([<|x:(1,6)|>,<|x:(3,4)|>,<|x:(5,2)|>]));


SELECT
    MULTI_AGGREGATE_BY(nums, AGGREGATION_FACTORY("maxby", 2))
FROM (select TableRow() as nums from AS_TABLE([<|x:(1,6)|>,<|x:(3,4)|>,<|x:(5,2)|>]));