Pengcheng Xiong created HIVE-9217:
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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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