Khurram Faraaz created DRILL-4902: ------------------------------------- Summary: nested aggregate query does not complain about missing GROUP BY clause Key: DRILL-4902 URL: https://issues.apache.org/jira/browse/DRILL-4902 Project: Apache Drill Issue Type: Bug Components: Execution - Flow Affects Versions: 1.9.0 Reporter: Khurram Faraaz
A nested aggregate windowed query does not report an error when the partitioning column is not used in the GROUP BY clause. Drill 1.9.0 This is the correct expected behavior. {noformat} 0: jdbc:drill:schema=dfs.tmp> select count(max(c7)) over (partition by c8) from `DRILL_4589`; Error: VALIDATION ERROR: From line 1, column 42 to line 1, column 43: Expression 'c8' is not being grouped SQL Query null [Error Id: 09c837b9-7a66-4a1f-9fbc-522160947274 on centos-01.qa.lab:31010] (state=,code=0) {noformat} The below query too should report above error, as the GROUP BY on partitioning column is missing. {noformat} 0: jdbc:drill:schema=dfs.tmp> select count(max(c7)) over (partition by c8) from (select * from `DRILL_4589`); +---------+ | EXPR$0 | +---------+ | 1 | +---------+ 1 row selected (193.71 seconds) {noformat} Postgres 9.3 also reports an error for a similar query {noformat} postgres=# select count(max(c1)) over (partition by c2) from (select * from t222) sub_query; ERROR: column "sub_query.c2" must appear in the GROUP BY clause or be used in an aggregate function LINE 1: select count(max(c1)) over (partition by c2) from (select * ... {noformat} -- This message was sent by Atlassian JIRA (v6.3.4#6332)