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Posted to issues@beam.apache.org by "Reuven Lax (Jira)" <ji...@apache.org> on 2020/04/02 07:09:00 UTC

[jira] [Created] (BEAM-9670) CoGroup transform should allow widening nullability in key schemas

Reuven Lax created BEAM-9670:
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             Summary: CoGroup transform should allow widening nullability in key schemas
                 Key: BEAM-9670
                 URL: https://issues.apache.org/jira/browse/BEAM-9670
             Project: Beam
          Issue Type: Bug
          Components: sdk-java-core
            Reporter: Reuven Lax


If the key field for one input has schema INT32 and the key field for the second input has schema NULLABLE[INT32], CoGroup fails - complaining that the key fields don't match. Instead CoGroup should widen the nullability restriction, creating a schema that allows either key input.



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