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https://issues.apache.org/jira/browse/HIVE-16427?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15968111#comment-15968111
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Sergio Peña commented on HIVE-16427:
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[~ychena] Seems the patch on HIVE-14519 fixed the issue partially. Here's
another test case that is causing multi-insert query to fail.
> Fix multi-insert query and write qtests
> ---------------------------------------
>
> Key: HIVE-16427
> URL: https://issues.apache.org/jira/browse/HIVE-16427
> Project: Hive
> Issue Type: Bug
> Components: Logical Optimizer
> Reporter: Thomas Poepping
>
> On HIVE-16415, it was found that the bug reported to be fixed in HIVE-14519
> was not actually fixed.
> This task is to find the problem, fix it, and add qtests to verify no future
> regression.
> Specifically, the following query does not produce correct answers:
> {code}
> From (select * from src) a
> insert overwrite directory '/tmp/emp/dir1/'
> select key, value
> insert overwrite directory '/tmp/emp/dir2/'
> select 'header'
> limit 0
> insert overwrite directory '/tmp/emp/dir3/'
> select key, value
> where key = 100;
> {code}
> This gives incorrect result in master. All dirs end up with 0 rows instead of
> just dir2.
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