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https://issues.apache.org/jira/browse/HIVE-15239?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15710944#comment-15710944
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Xuefu Zhang commented on HIVE-15239:
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[~lirui] do mind creating a RB for this? Thanks.
> hive on spark combine equivalentwork get wrong result because of tablescan
> operation compare
> ---------------------------------------------------------------------------------------------
>
> Key: HIVE-15239
> URL: https://issues.apache.org/jira/browse/HIVE-15239
> Project: Hive
> Issue Type: Bug
> Components: Spark
> Affects Versions: 1.2.0, 2.1.0
> Reporter: wangwenli
> Assignee: Rui Li
> Attachments: HIVE-15239.1.patch, HIVE-15239.2.patch
>
>
> env: hive on spark engine
> reproduce step:
> {code}
> create table a1(KEHHAO string, START_DT string) partitioned by (END_DT
> string);
> create table a2(KEHHAO string, START_DT string) partitioned by (END_DT
> string);
> alter table a1 add partition(END_DT='20161020');
> alter table a1 add partition(END_DT='20161021');
> insert into table a1 partition(END_DT='20161020')
> values('2000721360','20161001');
> SELECT T1.KEHHAO,COUNT(1) FROM (
> SELECT KEHHAO FROM a1 T
> WHERE T.KEHHAO = '2000721360' AND '20161018' BETWEEN T.START_DT AND
> T.END_DT-1
> UNION ALL
> SELECT KEHHAO FROM a2 T
> WHERE T.KEHHAO = '2000721360' AND '20161018' BETWEEN T.START_DT AND
> T.END_DT-1
> ) T1
> GROUP BY T1.KEHHAO
> HAVING COUNT(1)>1;
> +-------------+------+--+
> | t1.kehhao | _c1 |
> +-------------+------+--+
> | 2000721360 | 2 |
> +-------------+------+--+
> {code}
> the result should be none record
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