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https://issues.apache.org/jira/browse/TAJO-1232?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14251361#comment-14251361
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Hudson commented on TAJO-1232:
------------------------------
SUCCESS: Integrated in Tajo-master-build #512 (See
[https://builds.apache.org/job/Tajo-master-build/512/])
TAJO-1232: Implicit groupby queries with LIMIT lead to wrong results. (jihoon)
(jihoonson: rev af4083bfd337bfd6fe8278b0363c987d19088e50)
*
tajo-core/src/test/resources/queries/TestGroupByQuery/testGroupbyWithLimit1.sql
* tajo-core/src/main/java/org/apache/tajo/master/GlobalEngine.java
*
tajo-core/src/test/resources/results/TestGroupByQuery/testGroupbyWithLimit2.result
*
tajo-core/src/test/resources/results/TestGroupByQuery/testGroupbyWithLimit3.result
*
tajo-core/src/test/resources/results/TestGroupByQuery/testGroupbyWithLimit1.result
* CHANGES
* tajo-plan/src/main/java/org/apache/tajo/plan/LogicalPlanner.java
*
tajo-core/src/test/resources/queries/TestGroupByQuery/testGroupbyWithLimit3.sql
* tajo-core/src/test/java/org/apache/tajo/engine/query/TestGroupByQuery.java
*
tajo-core/src/test/resources/queries/TestGroupByQuery/testGroupbyWithLimit2.sql
> Implicit groupby queries with LIMIT lead to wrong results.
> ----------------------------------------------------------
>
> Key: TAJO-1232
> URL: https://issues.apache.org/jira/browse/TAJO-1232
> Project: Tajo
> Issue Type: Bug
> Components: planner/optimizer
> Reporter: Hyunsik Choi
> Assignee: Jihoon Son
> Fix For: 0.10
>
> Attachments: TAJO-1232.patch, TAJO-1232_2.patch
>
>
> See the title. The following query will reproduce the problem.
> {code}
> SELECT sum(x) FROM T1 LIMIT 1;
> > 0
> {code}
> Regardless of the actual summation result, the query result always is 0.
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