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https://issues.apache.org/jira/browse/HIVE-9217?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Laljo John Pullokkaran updated HIVE-9217:
-----------------------------------------
Resolution: Fixed
Status: Resolved (was: Patch Available)
> UnionProcessor misses results for multi-insert when
> hive.optimize.union.remove=true
> -----------------------------------------------------------------------------------
>
> Key: HIVE-9217
> URL: https://issues.apache.org/jira/browse/HIVE-9217
> Project: Hive
> Issue Type: Bug
> Reporter: Pengcheng Xiong
> Assignee: Pengcheng Xiong
> Attachments: HIVE-9217.01.patch, HIVE-9217.02.patch,
> HIVE-9217.03.patch
>
>
> To reproduce:
> In union_remove_6.q, just change
> FROM (
> SELECT key, count(1) as values from inputTbl1 group by key
> UNION ALL
> SELECT key, count(1) as values from inputTbl1 group by key
> ) a
> insert overwrite table outputTbl1 select *
> insert overwrite table outputTbl2 select *;
> to
> FROM (
> select * from(
> SELECT key, count(1) as values from inputTbl1 group by key
> UNION ALL
> SELECT key, count(1) as values from inputTbl1 group by key
> )subq
> ) a
> insert overwrite table outputTbl1 select *
> insert overwrite table outputTbl2 select *;
> select * from outputtbl2 will output nothing
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