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https://issues.apache.org/jira/browse/FLINK-5527?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15831532#comment-15831532
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ASF GitHub Bot commented on FLINK-5527:
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Github user StephanEwen commented on the issue:
https://github.com/apache/flink/pull/3142
The default value so far referred to access to the state object from within
a program.
I would avoid extending this definition to queryable state given that we
are deprecating it.
If we clearly spell the behavior out, I see no problem that queryable state
access does not use the default value.
> QueryableState: requesting a non-existing key in MemoryStateBackend or
> FsStateBackend does not return the default value
> -----------------------------------------------------------------------------------------------------------------------
>
> Key: FLINK-5527
> URL: https://issues.apache.org/jira/browse/FLINK-5527
> Project: Flink
> Issue Type: Improvement
> Components: Queryable State
> Affects Versions: 1.2.0
> Reporter: Nico Kruber
> Assignee: Nico Kruber
>
> Querying for a non-existing key for a state that has a default value set
> currently results in an UnknownKeyOrNamespace exception when the
> MemoryStateBackend or FsStateBackend is used. It should return the default
> value instead just like the RocksDBStateBackend.
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