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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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Aljoscha Krettek 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.
In the process of implementing FLINK-20491 we can also add support for mixed
non-keyed/keyed operators.
was:
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.
> Support mixed keyed/non-keyed operations in BATCH execution mode
> ----------------------------------------------------------------
>
> Key: FLINK-20517
> URL: https://issues.apache.org/jira/browse/FLINK-20517
> Project: Flink
> Issue Type: Improvement
> 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.
> In the process of implementing FLINK-20491 we can also add support for mixed
> non-keyed/keyed operators.
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