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Posted to issues@spark.apache.org by "Yuming Wang (JIRA)" <ji...@apache.org> on 2019/07/30 02:41:00 UTC

[jira] [Created] (SPARK-28557) Support empty select list

Yuming Wang created SPARK-28557:
-----------------------------------

             Summary: Support empty select list
                 Key: SPARK-28557
                 URL: https://issues.apache.org/jira/browse/SPARK-28557
             Project: Spark
          Issue Type: Sub-task
          Components: SQL
    Affects Versions: 3.0.0
            Reporter: Yuming Wang


Examples:
{code:sql}
select union select;
select intersect select;
select except select;
{code}

https://github.com/postgres/postgres/blob/REL_12_BETA2/src/test/regress/sql/union.sql#L193-L199



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