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Posted to issues@beam.apache.org by "Rui Wang (JIRA)" <ji...@apache.org> on 2019/04/17 21:18:00 UTC

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

     [ https://issues.apache.org/jira/browse/BEAM-7100?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rui Wang updated BEAM-7100:
---------------------------
    Issue Type: Bug  (was: New Feature)

> BeamValuesRel should accept empty tuples
> ----------------------------------------
>
>                 Key: BEAM-7100
>                 URL: https://issues.apache.org/jira/browse/BEAM-7100
>             Project: Beam
>          Issue Type: Bug
>          Components: dsl-sql
>            Reporter: Rui Wang
>            Assignee: Rui Wang
>            Priority: Major
>
> 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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