I am trying to create flexible search query as below :
SELECT uniontable.PK FROM
(
{{
SELECT {p1:PK} AS PK FROM {Product AS p1},{Product AS p2}
WHERE {p1.code} = {p2.Att1}
}}
UNION ALL
{{
SELECT {p:PK} AS PK FROM {Product AS p}
WHERE {p1.Att1} is not empty
}}
) uniontable
Can anyone tell mehow to use "ORDER BY " creation time of product keyword in above query?