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https://issues.apache.org/jira/browse/CALCITE-4664?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17371862#comment-17371862
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duan xiong commented on CALCITE-4664:
-------------------------------------
{code:java}
Hive:
select count(human_name),prtday from tmp_hivetb_0_2 group by prtday, grouping
sets(prtday);
Error: Error while compiling statement: FAILED: ParseException line 1:70 cannot
recognize input near 'grouping' 'sets' '(' in expression specification
(state=42000,code=40000)
{code}
> When group by is same as sub-query, grouping sets are missing
> -------------------------------------------------------------
>
> Key: CALCITE-4664
> URL: https://issues.apache.org/jira/browse/CALCITE-4664
> Project: Calcite
> Issue Type: Bug
> Components: core
> Reporter: xiejiajun
> Priority: Major
>
> For example:
> {code:java}
> SELECT
> t.ID, t.NAME, count(t.AGE) T_AGE
> FROM
> (SELECT u.ID, u.NAME, u.AGE
> FROM USERS u
> GROUP BY u.ID, u.NAME, u.AGE
> ) t
> GROUP BY t.ID, t.NAME, t.AGE
> GROUPING SETS(
> (t.ID, t.NAME),
> (t.ID, t.NAME, t.AGE)
> )
> {code}
> will be
> {code}
> SELECT u.ID, u.NAME, u.AGE
> FROM USERS u
> GROUP BY u.ID, u.NAME, u.AGE
> {code}
> groupings set is missing
>
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