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https://issues.apache.org/jira/browse/HIVE-4521?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13663105#comment-13663105
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Hudson commented on HIVE-4521:
------------------------------
Integrated in Hive-trunk-h0.21 #2111 (See
[https://builds.apache.org/job/Hive-trunk-h0.21/2111/])
HIVE-4521 Auto join conversion fails in certain cases (Gunther Hagleitner
via
omalley) (Revision 1484623)
Result = FAILURE
omalley :
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1484623
Files :
*
/hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/optimizer/AbstractBucketJoinProc.java
*
/hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/optimizer/AvgPartitionSizeBasedBigTableSelectorForAutoSMJ.java
*
/hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/optimizer/TableSizeBasedBigTableSelectorForAutoSMJ.java
*
/hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/optimizer/physical/CommonJoinTaskDispatcher.java
* /hive/trunk/ql/src/test/queries/clientpositive/auto_join32.q
* /hive/trunk/ql/src/test/results/clientpositive/auto_join32.q.out
> Auto join conversion fails in certain cases (empty tables, empty partitions,
> no partitions)
> -------------------------------------------------------------------------------------------
>
> Key: HIVE-4521
> URL: https://issues.apache.org/jira/browse/HIVE-4521
> Project: Hive
> Issue Type: Bug
> Reporter: Gunther Hagleitner
> Assignee: Gunther Hagleitner
> Fix For: 0.12.0
>
> Attachments: HIVE-4521.1.patch, HIVE-4521.2.patch
>
>
> Automatic join conversion for both map joins as well as smb joins fails when
> tables, files or partitions are empty (see test cases in patch). Error
> messages include: "Big Table Alias is null" and "Divide by Zero".
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