You are viewing a plain text version of this content. The canonical link for it is here.
Posted to dev@hive.apache.org by "Hudson (JIRA)" <ji...@apache.org> on 2013/01/09 11:27:45 UTC
[jira] [Commented] (HIVE-3432) perform a map-only group by if
grouping key matches the sorting properties of the table
[ https://issues.apache.org/jira/browse/HIVE-3432?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13548042#comment-13548042 ]
Hudson commented on HIVE-3432:
------------------------------
Integrated in Hive-trunk-hadoop2 #54 (See [https://builds.apache.org/job/Hive-trunk-hadoop2/54/])
HIVE-3647. map-side groupby wrongly due to HIVE-3432. (njain via kevinwilfong) (Revision 1411349)
HIVE-3432. perform a map-only group by if grouping key matches the sorting properties of the table. (njain via kevinwilfong) (Revision 1391608)
Result = ABORTED
kevinwilfong : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1411349
Files :
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/optimizer/GroupByOptimizer.java
* /hive/trunk/ql/src/test/queries/clientpositive/groupby_sort_1.q
* /hive/trunk/ql/src/test/queries/clientpositive/groupby_sort_2.q
* /hive/trunk/ql/src/test/queries/clientpositive/groupby_sort_3.q
* /hive/trunk/ql/src/test/queries/clientpositive/groupby_sort_4.q
* /hive/trunk/ql/src/test/queries/clientpositive/groupby_sort_5.q
* /hive/trunk/ql/src/test/queries/clientpositive/groupby_sort_skew_1.q
* /hive/trunk/ql/src/test/results/clientpositive/groupby_sort_1.q.out
* /hive/trunk/ql/src/test/results/clientpositive/groupby_sort_2.q.out
* /hive/trunk/ql/src/test/results/clientpositive/groupby_sort_3.q.out
* /hive/trunk/ql/src/test/results/clientpositive/groupby_sort_4.q.out
* /hive/trunk/ql/src/test/results/clientpositive/groupby_sort_5.q.out
* /hive/trunk/ql/src/test/results/clientpositive/groupby_sort_skew_1.q.out
kevinwilfong : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1391608
Files :
* /hive/trunk/common/src/java/org/apache/hadoop/hive/conf/HiveConf.java
* /hive/trunk/conf/hive-default.xml.template
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/ExecDriver.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/FilterOperator.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/GroupByOperator.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/Operator.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/SelectOperator.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/optimizer/GenMapRedUtils.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/optimizer/GroupByOptimizer.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/optimizer/Optimizer.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/plan/GroupByDesc.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/plan/MapredWork.java
* /hive/trunk/ql/src/test/queries/clientpositive/groupby_sort_1.q
* /hive/trunk/ql/src/test/queries/clientpositive/groupby_sort_skew_1.q
* /hive/trunk/ql/src/test/results/clientpositive/bucket_groupby.q.out
* /hive/trunk/ql/src/test/results/clientpositive/groupby_sort_1.q.out
* /hive/trunk/ql/src/test/results/clientpositive/groupby_sort_skew_1.q.out
* /hive/trunk/ql/src/test/results/clientpositive/metadataonly1.q.out
* /hive/trunk/ql/src/test/results/clientpositive/ql_rewrite_gbtoidx.q.out
> perform a map-only group by if grouping key matches the sorting properties of the table
> ---------------------------------------------------------------------------------------
>
> Key: HIVE-3432
> URL: https://issues.apache.org/jira/browse/HIVE-3432
> Project: Hive
> Issue Type: Improvement
> Components: Query Processor
> Reporter: Namit Jain
> Assignee: Namit Jain
> Fix For: 0.10.0
>
> Attachments: hive.3432.1.patch, hive.3432.2.patch, hive.3432.3.patch, hive.3432.4.patch, hive.3432.5.patch, hive.3432.6.patch, hive.3432.7.patch, hive.3432.8.patch
>
>
> There should be an option to use bucketizedinputformat and use map-only group by. There would be no need to perform a map-side aggregation.
--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators
For more information on JIRA, see: http://www.atlassian.com/software/jira