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Posted to issues@beam.apache.org by "Darshan Jani (Jira)" <ji...@apache.org> on 2020/08/13 02:28:00 UTC

[jira] [Commented] (BEAM-9992) Migrate BeamSQL's SET operators to Sets transforms

    [ https://issues.apache.org/jira/browse/BEAM-9992?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17176724#comment-17176724 ] 

Darshan Jani commented on BEAM-9992:
------------------------------------

Adding NullableCoder may not be right solution as from SQL we get PCollectionList<Row> and schema already has correct nullable=true attribute. I think problem may be SchemaCoder which is not able to handle byte[]and nulls combination.Next step i am trying to write a test on schemaCoder and try to fail it seperately. I am not getting much time due to my project constraints. I will to get some time next week to dig deeper.

> Migrate BeamSQL's SET operators to Sets transforms
> --------------------------------------------------
>
>                 Key: BEAM-9992
>                 URL: https://issues.apache.org/jira/browse/BEAM-9992
>             Project: Beam
>          Issue Type: New Feature
>          Components: dsl-sql, dsl-sql-zetasql
>            Reporter: Darshan Jani
>            Assignee: Darshan Jani
>            Priority: P2
>          Time Spent: 3.5h
>  Remaining Estimate: 0h
>
> As par of [BEAM-9946|https://issues.apache.org/jira/browse/BEAM-9946] we have new Sets transforms for intersect,union and except.
> This jira is to use them to remove existing Set operators in BeamSQL code.
> Tasks:
> # Remove: [BeamSetOperatorRelBase.java|https://github.com/apache/beam/blob/master/sdks/java/extensions/sql/src/main/java/org/apache/beam/sdk/extensions/sql/impl/rel/BeamSetOperatorRelBase.java]
> # use SetFns transforms from
> ## [BeamIntersectRel.java|https://github.com/apache/beam/blob/master/sdks/java/extensions/sql/src/main/java/org/apache/beam/sdk/extensions/sql/impl/rel/BeamIntersectRel.java]
> ## [BeamMinusRel.java|https://github.com/apache/beam/blob/master/sdks/java/extensions/sql/src/main/java/org/apache/beam/sdk/extensions/sql/impl/rel/BeamMinusRel.java]
> ## [BeamMinusRel.java|https://github.com/apache/beam/blob/master/sdks/java/extensions/sql/src/main/java/org/apache/beam/sdk/extensions/sql/impl/rel/BeamMinusRel.java]
> ## [BeamUnionRel.java|https://github.com/apache/beam/blob/master/sdks/java/extensions/sql/src/main/java/org/apache/beam/sdk/extensions/sql/impl/rel/BeamUnionRel.java]
> # Remove:[BeamSetOperatorsTransforms.java|https://github.com/apache/beam/blob/master/sdks/java/extensions/sql/src/main/java/org/apache/beam/sdk/extensions/sql/impl/transform/BeamSetOperatorsTransforms.java]



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