[jira] [Created] (FLINK-3505) JoinUnionTransposeRule fails to push Join past Union.

[Shang Yuanchun (Jira)]

Chengxiang Li created FLINK-3505:
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             Summary: JoinUnionTransposeRule fails to push Join past Union.
                 Key: FLINK-3505
                 URL: https://issues.apache.org/jira/browse/FLINK-3505
             Project: Flink
          Issue Type: Bug
          Components: Table API
            Reporter: Chengxiang Li


{noformat}
val unionDs = ds1
      .unionAll(ds2.select('a, 'b, 'c))
      .join(ds3)
      .where('a === 'k)
      .select('a, 'b, 'l)
{noformat}
For this query, JoinUnionTransposeRule fails to push push Join past Union.



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