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https://issues.apache.org/jira/browse/HIVE-2340?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Phabricator updated HIVE-2340:
------------------------------
Attachment: HIVE-2340.D1209.3.patch
navis updated the revision "HIVE-2340 [jira] optimize orderby followed by a
groupby".
Reviewers: JIRA
fix test failures : auto_join26.q, ql_rewrite_gbtoidx.q, udtf_json_tuple.q,
union24.q
REVISION DETAIL
https://reviews.facebook.net/D1209
AFFECTED FILES
ql/src/java/org/apache/hadoop/hive/ql/optimizer/ColumnPrunerProcFactory.java
ql/src/java/org/apache/hadoop/hive/ql/optimizer/ReduceSinkDeDuplication.java
ql/src/test/queries/clientpositive/auto_join26.q
ql/src/test/queries/clientpositive/ql_rewrite_gbtoidx.q
ql/src/test/queries/clientpositive/reduce_deduplicate_extended.q
ql/src/test/queries/clientpositive/udtf_json_tuple.q
ql/src/test/queries/clientpositive/union24.q
ql/src/test/results/clientpositive/reduce_deduplicate_extended.q.out
> optimize orderby followed by a groupby
> --------------------------------------
>
> Key: HIVE-2340
> URL: https://issues.apache.org/jira/browse/HIVE-2340
> Project: Hive
> Issue Type: Sub-task
> Components: Query Processor
> Reporter: Navis
> Assignee: Navis
> Priority: Minor
> Attachments: HIVE-2340.1.patch.txt, HIVE-2340.D1209.1.patch,
> HIVE-2340.D1209.2.patch, HIVE-2340.D1209.3.patch
>
>
> Before implementing optimizer for JOIN-GBY, try to implement RS-GBY
> optimizer(cluster-by following group-by).
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