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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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Dawid Wysakowicz updated FLINK-20517:
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Description:
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.
was:
Using the batch state backend requires that the inputs are sorted by key. Right
now we can not sort multiple inputs if at least on of the inputs is not keyed.
We should throw an exception if such a combination is used.
> 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
> 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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