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https://issues.apache.org/jira/browse/HIVE-5418?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13791422#comment-13791422
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Hudson commented on HIVE-5418:
------------------------------
ABORTED: Integrated in Hive-branch-0.12-hadoop2 #13 (See
[https://builds.apache.org/job/Hive-branch-0.12-hadoop2/13/])
HIVE-5418 : Integer overflow bug in
ConditionalResolverCommonJoin.AliasFileSizePair(add missing fiel) (Steven Wong
via Ashutosh Chauhan) (thejas:
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1530464)
*
/hive/branches/branch-0.12/ql/src/test/org/apache/hadoop/hive/ql/plan/TestConditionalResolverCommonJoin.java
HIVE-5418 : Integer overflow bug in
ConditionalResolverCommonJoin.AliasFileSizePair (Steven Wong via Ashutosh
Chauhan) (thejas:
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1530463)
*
/hive/branches/branch-0.12/ql/src/java/org/apache/hadoop/hive/ql/plan/ConditionalResolverCommonJoin.java
> Integer overflow bug in ConditionalResolverCommonJoin.AliasFileSizePair
> -----------------------------------------------------------------------
>
> Key: HIVE-5418
> URL: https://issues.apache.org/jira/browse/HIVE-5418
> Project: Hive
> Issue Type: Bug
> Affects Versions: 0.11.0, 0.13.0
> Reporter: Steven Wong
> Assignee: Steven Wong
> Fix For: 0.13.0
>
> Attachments: HIVE-5418.0.patch, HIVE-5418.1.patch
>
>
> Sometimes, auto map join conversion unexpectedly fails to choose map join
> over a common join, even if the auto map join conversion's size criterion is
> satisfied.
> This is caused by an integer overflow bug in the method {{compareTo}} of the
> class {{ConditionalResolverCommonJoin.AliasFileSizePair}}.
> The bug is triggered only if the big table size exceeds the small table size
> by at least 2**31 bytes.
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