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Posted to issues@calcite.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2026/04/05 06:47:00 UTC

[jira] [Updated] (CALCITE-6298) Support UNION in Arrow adapter

     [ https://issues.apache.org/jira/browse/CALCITE-6298?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated CALCITE-6298:
------------------------------------
    Labels: pull-request-available  (was: )

> Support UNION in Arrow adapter
> ------------------------------
>
>                 Key: CALCITE-6298
>                 URL: https://issues.apache.org/jira/browse/CALCITE-6298
>             Project: Calcite
>          Issue Type: Sub-task
>          Components: arrow-adapter
>            Reporter: hongyu guo
>            Assignee: Caican Cai
>            Priority: Major
>              Labels: pull-request-available
>
> Query
> {code:sql}
> (select "intField"
> from arrowdata
> where "intField" = 2)
>   union 
> (select "intField"
> from arrowdata
> where "intField" = 1)
> {code}
> should return 
> {code}
> 1
> 2
> {code}
> but return
> {code:java}
> 1
> {code}
> See org.apache.calcite.adapter.arrow.ArrowAdapterTest#testArrowUnion



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