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From "Pengcheng Xiong (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-9217) UnionProcessor misses results for multi-insert
Date Fri, 26 Dec 2014 18:45:13 GMT
Pengcheng Xiong created HIVE-9217:
-------------------------------------

             Summary: UnionProcessor misses results for multi-insert
                 Key: HIVE-9217
                 URL: https://issues.apache.org/jira/browse/HIVE-9217
             Project: Hive
          Issue Type: Bug
            Reporter: Pengcheng Xiong
            Assignee: Pengcheng Xiong


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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