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Posted to issues@beam.apache.org by "Rui Wang (JIRA)" <ji...@apache.org> on 2019/04/17 21:17:00 UTC

[jira] [Created] (BEAM-7100) BeamValuesRel should accept empty tuples

Rui Wang created BEAM-7100:
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             Summary: BeamValuesRel should accept empty tuples
                 Key: BEAM-7100
                 URL: https://issues.apache.org/jira/browse/BEAM-7100
             Project: Beam
          Issue Type: New Feature
          Components: dsl-sql
            Reporter: Rui Wang
            Assignee: Rui Wang


It is possible for a OUTER JOIN, one side of JOIN contains no tuples. Right now such case will thrown an exception with "empty  tuples are not allowed".  However, for OUTER JOIN, empty values on one side can still produce results if another side has tuples.



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