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https://issues.apache.org/jira/browse/CALCITE-6298?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18073242#comment-18073242
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Caican Cai commented on CALCITE-6298:
-------------------------------------
fix in
https://github.com/apache/calcite/commit/e5192ec21d4b076e6ffc269fec3895ce9d8e59d7
> 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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