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https://issues.apache.org/jira/browse/BEAM-12853?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17473021#comment-17473021
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Beam JIRA Bot commented on BEAM-12853:
--------------------------------------
This issue was marked "stale-P2" and has not received a public comment in 14
days. It is now automatically moved to P3. If you are still affected by it, you
can comment and move it back to P2.
> PubSubTableProvider tries to set windows after GroupByKey
> ---------------------------------------------------------
>
> Key: BEAM-12853
> URL: https://issues.apache.org/jira/browse/BEAM-12853
> Project: Beam
> Issue Type: Bug
> Components: dsl-sql
> Reporter: Andrew Pilloud
> Priority: P3
> Time Spent: 50m
> Remaining Estimate: 0h
>
> A SqlTransform may contain a GroupByKey in the global window, this prevents
> setting windows afterwards. The PubSubTableProvider tries anyway.
> This was exposed by a INSERT INTO pubsub VALUES (1), (2), which implicitly
> becomes INSERT INTO pubsub SELECT 1 UNION SELECT 2. This then becomes a
> GroupByKey union.
> For now I'm going to simplify the test.
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