wangfei created SPARK-5029:
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Summary: Enable from follow multiple brackets
Key: SPARK-5029
URL: https://issues.apache.org/jira/browse/SPARK-5029
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 1.2.0
Reporter: wangfei
Enable from follow multiple brackets:
such as :
select key from ((select * from testData limit 1) union all (select * from
testData limit 1)) x limit 1
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