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https://issues.apache.org/jira/browse/TAJO-1793?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15179386#comment-15179386
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ASF GitHub Bot commented on TAJO-1793:
--------------------------------------
Github user blrunner commented on a diff in the pull request:
https://github.com/apache/tajo/pull/965#discussion_r54992987
--- Diff:
tajo-core-tests/src/test/java/org/apache/tajo/engine/query/TestUnionQuery.java
---
@@ -697,4 +721,14 @@ public void testComplexUnion2() throws Exception {
public void testUnionAndFilter() throws Exception {
runSimpleTests();
--- End diff --
I applied ``QueryTestCaseBase::runSimpleTests`` with your opinion.
> result row count unmatched for UNION ALL
> -----------------------------------------
>
> Key: TAJO-1793
> URL: https://issues.apache.org/jira/browse/TAJO-1793
> Project: Tajo
> Issue Type: Bug
> Components: QueryMaster
> Affects Versions: 0.11.0
> Environment: single node on Macbook
> Reporter: Youngkyong Ko
> Assignee: Jaehwa Jung
> Priority: Critical
> Fix For: 0.12.0, 0.11.2
>
>
> In UNION ALL, result record count is presented wrong.
> default> select * from test1;
> c1
> -------------------------------
> 1
> 2
> (2 rows, 0.027 sec, 4 B selected)
> default> select * from test2;
> c1
> -------------------------------
> 2
> 3
> 4
> (3 rows, 0.011 sec, 6 B selected)
> default> select c1 from test1 union all select c1 from test2;
> Progress: 100%, response time: 0.458 sec
> c1
> -------------------------------
> 1
> 2
> 2
> 3
> 4
> (2 rows, 0.458 sec, 10 B selected)
> ==> SHOULD BE "5 rows"
> BTW, it is OK in case of UNION .
> default> select c1 from test1 union select c1 from test2;
> Progress: 100%, response time: 0.241 sec
> c1
> -------------------------------
> 2
> 1
> 3
> 4
> (4 rows, 0.241 sec, 8 B selected)
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