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https://issues.apache.org/jira/browse/BEAM-7361?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Beam JIRA Bot updated BEAM-7361:
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Labels: stale-P2 (was: )
> UNION does not work with Double
> -------------------------------
>
> Key: BEAM-7361
> URL: https://issues.apache.org/jira/browse/BEAM-7361
> Project: Beam
> Issue Type: Bug
> Components: dsl-sql
> Affects Versions: 2.11.0, 2.12.0
> Reporter: Chikara Mizokami
> Priority: P2
> Labels: stale-P2
>
> The SQL operation UNION does not work on numerical columns such as DOUBLE.
> The error shown is related to GroupByKey, but I am not sure why UNION
> includes any steps that require GroupBy which blocks non-deterministic
> columns.
>
> Also, would this issue be solved if we implement UNION with a different
> approach such as BEAM-3721, BEAM-3722 (use flatten instead of CoGroupByKey)?
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