Pengcheng Xiong created HIVE-15200:
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Summary: Support setOp in subQuery with parentheses
Key: HIVE-15200
URL: https://issues.apache.org/jira/browse/HIVE-15200
Project: Hive
Issue Type: Sub-task
Reporter: Pengcheng Xiong
Assignee: Pengcheng Xiong
{code}
explain select key from ((select key from src) union (select key from src))subq;
{code}
will throw
{code}
FAILED: ParseException line 1:47 cannot recognize input near 'union' '('
'select' in subquery source
{code}
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