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https://issues.apache.org/jira/browse/FLINK-20517?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated FLINK-20517:
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Labels: pull-request-available (was: )
> Disallow operators with mixed key/non-keyed inputs with BATCH state backend
> ---------------------------------------------------------------------------
>
> Key: FLINK-20517
> URL: https://issues.apache.org/jira/browse/FLINK-20517
> Project: Flink
> Issue Type: Bug
> Components: API / DataStream
> Affects Versions: 1.12.0
> Reporter: Dawid Wysakowicz
> Assignee: Dawid Wysakowicz
> Priority: Critical
> Labels: pull-request-available
> Fix For: 1.12.1
>
>
> Using the batch state backend requires that the inputs are sorted by a key.
> Right now when sorting, we sort either all of the inputs or none. It is
> because we expect that the same key is consumed from all inputs at the same
> time.
> We should throw an exception if such a combination is used.
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