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https://issues.apache.org/jira/browse/HIVE-6950?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13977595#comment-13977595
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Harish Butani commented on HIVE-6950:
-------------------------------------
My 2 cents would be: no. This is a bug. Should get fixed.
Documenting every bug and then updating when we fix, would be asking too much...
> Parsing Error in GROUPING SETS
> ------------------------------
>
> Key: HIVE-6950
> URL: https://issues.apache.org/jira/browse/HIVE-6950
> Project: Hive
> Issue Type: Bug
> Reporter: Rohit Agarwal
>
> The following query:
> {code}
> SELECT tab1.a,
> tab1.b,
> SUM(tab1.c)
> FROM tab1
> GROUP BY tab1.a,
> tab1.b
> GROUPING SETS ((tab1.a, tab1.b))
> {code}
> results in the following error:
> {code}
> ParseException line 7:22 missing ) at ',' near '<EOF>'
> line 7:31 extraneous input ')' expecting EOF near '<EOF>'
> {code}
> Changing the query to:
> {code}
> SELECT tab1.a,
> tab1.b,
> SUM(tab1.c)
> FROM tab1
> GROUP BY tab1.a,
> tab1.b
> GROUPING SETS ((a, tab1.b))
> {code}
> makes it work.
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