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https://issues.apache.org/jira/browse/HIVE-4241?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13629901#comment-13629901
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Hudson commented on HIVE-4241:
------------------------------
Integrated in Hive-trunk-h0.21 #2058 (See
[https://builds.apache.org/job/Hive-trunk-h0.21/2058/])
HIVE-4241 optimize hive.enforce.sorting and hive.enforce bucketing join
(Namit Jain via Gang Tim Liu) (Revision 1467174)
Result = FAILURE
namit : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1467174
Files :
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/TableScanOperator.java
*
/hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/optimizer/BucketingSortingReduceSinkOptimizer.java
* /hive/trunk/ql/src/test/queries/clientpositive/bucketsortoptimize_insert_1.q
* /hive/trunk/ql/src/test/queries/clientpositive/bucketsortoptimize_insert_2.q
* /hive/trunk/ql/src/test/queries/clientpositive/bucketsortoptimize_insert_3.q
* /hive/trunk/ql/src/test/queries/clientpositive/bucketsortoptimize_insert_4.q
* /hive/trunk/ql/src/test/queries/clientpositive/bucketsortoptimize_insert_5.q
* /hive/trunk/ql/src/test/queries/clientpositive/bucketsortoptimize_insert_6.q
* /hive/trunk/ql/src/test/queries/clientpositive/bucketsortoptimize_insert_7.q
* /hive/trunk/ql/src/test/queries/clientpositive/bucketsortoptimize_insert_8.q
*
/hive/trunk/ql/src/test/results/clientpositive/bucketsortoptimize_insert_1.q.out
*
/hive/trunk/ql/src/test/results/clientpositive/bucketsortoptimize_insert_2.q.out
*
/hive/trunk/ql/src/test/results/clientpositive/bucketsortoptimize_insert_3.q.out
*
/hive/trunk/ql/src/test/results/clientpositive/bucketsortoptimize_insert_4.q.out
*
/hive/trunk/ql/src/test/results/clientpositive/bucketsortoptimize_insert_5.q.out
*
/hive/trunk/ql/src/test/results/clientpositive/bucketsortoptimize_insert_6.q.out
*
/hive/trunk/ql/src/test/results/clientpositive/bucketsortoptimize_insert_7.q.out
*
/hive/trunk/ql/src/test/results/clientpositive/bucketsortoptimize_insert_8.q.out
> optimize hive.enforce.sorting and hive.enforce bucketing join
> -------------------------------------------------------------
>
> Key: HIVE-4241
> URL: https://issues.apache.org/jira/browse/HIVE-4241
> Project: Hive
> Issue Type: Improvement
> Components: Query Processor
> Reporter: Namit Jain
> Assignee: Namit Jain
> Fix For: 0.11.0
>
> Attachments: hive.4241.1.patch, hive.4241.1.patch-nohcat,
> hive.4241.2.patch-nohcat, hive.4241.3.patch, hive.4241.4.patch
>
>
> Consider the following scenario:
> T1: sorted and bucketed by key into 2 buckets
> T2: sorted and bucketed by key into 2 buckets
> T3: sorted and bucketed by key into 2 buckets
> set hive.enforce.sorting=true;
> set hive.enforce.bucketing=true;
> insert overwrite table T3
> select .. from T1 join T2 on T1.key = T2.key;
> Since T1, T2 and T3 are sorted/bucketed by the join, and the above join is
> being performed as a sort-merge join, T3 should be bucketed/sorted without
> the need for an extra reducer.
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