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https://issues.apache.org/jira/browse/HIVE-11517?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14907186#comment-14907186
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Matt McCline commented on HIVE-11517:
-------------------------------------
Committed to master and branch-1
> Vectorized auto_smb_mapjoin_14.q produces different results
> -----------------------------------------------------------
>
> Key: HIVE-11517
> URL: https://issues.apache.org/jira/browse/HIVE-11517
> Project: Hive
> Issue Type: Bug
> Reporter: Matt McCline
> Assignee: Matt McCline
> Priority: Critical
> Attachments: HIVE-11517.01.patch, HIVE-11517.02.patch
>
>
> Converted Q file to use ORC and turned on vectorization.
> The query:
> {code}
> select count(*) from (
> select a.key as key, a.value as val1, b.value as val2 from tbl1 a join tbl2
> b on a.key = b.key
> ) subq1
> {code}
> produces 10 instead of 22.
> The query:
> {code}
> select src1.key, src1.cnt1, src2.cnt1 from
> (
> select key, count(*) as cnt1 from
> (
> select a.key as key, a.value as val1, b.value as val2 from tbl1 a join
> tbl2 b on a.key = b.key
> ) subq1 group by key
> ) src1
> join
> (
> select key, count(*) as cnt1 from
> (
> select a.key as key, a.value as val1, b.value as val2 from tbl1 a join
> tbl2 b on a.key = b.key
> ) subq2 group by key
> ) src2
> {code}
> produces:
> {code}
> 0 3 3
> 2 1 1
> 4 1 1
> 5 3 3
> 8 1 1
> 9 1 1
> {code}
> instead of:
> {code}
> 0 9 9
> 2 1 1
> 4 1 1
> 5 9 9
> 8 1 1
> 9 1 1
> {code}
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