Pengcheng Xiong created HIVE-14861:
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Summary: Support precedence for set operator using parentheses
Key: HIVE-14861
URL: https://issues.apache.org/jira/browse/HIVE-14861
Project: Hive
Issue Type: Sub-task
Reporter: Pengcheng Xiong
Assignee: Pengcheng Xiong
We should support precedence for set operator by using parentheses. For example
{code}
select * from src union all (select * from src union select * from src);
{code}
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