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From "Ashutosh Chauhan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-13602) TPCH q16 return wrong result when CBO is on
Date Thu, 05 May 2016 19:01:13 GMT

    [ https://issues.apache.org/jira/browse/HIVE-13602?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15272858#comment-15272858
] 

Ashutosh Chauhan commented on HIVE-13602:
-----------------------------------------

+1 pending tests

> TPCH q16 return wrong result when CBO is on
> -------------------------------------------
>
>                 Key: HIVE-13602
>                 URL: https://issues.apache.org/jira/browse/HIVE-13602
>             Project: Hive
>          Issue Type: Bug
>          Components: CBO, Logical Optimizer
>    Affects Versions: 1.3.0, 2.0.0, 1.2.2
>            Reporter: Nemon Lou
>            Assignee: Pengcheng Xiong
>         Attachments: HIVE-13602.01.patch, HIVE-13602.03.patch, calcite_cbo_bad.out, calcite_cbo_good.out,
explain_cbo_bad_part1.out, explain_cbo_bad_part2.out, explain_cbo_bad_part3.out, explain_cbo_good(rewrite)_part1.out,
explain_cbo_good(rewrite)_part2.out, explain_cbo_good(rewrite)_part3.out
>
>
> Running tpch with factor 2, 
> q16 returns 1,160 rows when CBO is on,
> while returns 24,581 rows when CBO is off.
> See attachment for detail .



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