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https://issues.apache.org/jira/browse/FLINK-41273?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ramin Gharib closed FLINK-41273.
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Fix Version/s: 2.5.0
Resolution: Fixed
Fixed in master via [#29698|https://github.com/apache/flink/pull/29698]:
* 9c8f401704056ea1a6b87b1181d5fd202b52f529 [FLINK-41273][table] Support set
operations on unbounded tables in the Table API
> Allow UNION, INTERSECT and EXCEPT on unbounded tables in the Table API
> ----------------------------------------------------------------------
>
> Key: FLINK-41273
> URL: https://issues.apache.org/jira/browse/FLINK-41273
> Project: Flink
> Issue Type: Improvement
> Components: Table SQL / API
> Reporter: Timo Theusner
> Assignee: Timo Theusner
> Priority: Major
> Labels: pull-request-available
> Fix For: 2.5.0
>
>
> In streaming mode, {{SetOperationFactory#failIfStreaming}} rejects {{union}},
> {{intersect}}, {{intersectAll}}, {{minus}} and {{minusAll}}, although
> streaming SQL runs {{UNION}}, {{INTERSECT}} and {{EXCEPT}} with the same
> plans. Lift the check and also fix SQL serialization of {{minus}} in
> {{SetQueryOperation#asSerializableString}} to render {{EXCEPT}}.
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