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https://issues.apache.org/jira/browse/FLINK-16310?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17333779#comment-17333779
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Flink Jira Bot commented on FLINK-16310:
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This issue was marked "stale-assigned" and has not received an update in 7
days. It is now automatically unassigned. If you are still working on it, you
can assign it to yourself again. Please also give an update about the status of
the work.
> Javadoc of AppendingState.get() contradicts with behavior of
> UserFacingListState
> --------------------------------------------------------------------------------
>
> Key: FLINK-16310
> URL: https://issues.apache.org/jira/browse/FLINK-16310
> Project: Flink
> Issue Type: Improvement
> Components: Documentation, Runtime / State Backends
> Affects Versions: 1.6.4, 1.7.2, 1.8.3, 1.9.2, 1.10.0
> Reporter: Tzu-Li (Gordon) Tai
> Assignee: Tzu-Li (Gordon) Tai
> Priority: Major
> Labels: stale-assigned
>
> The {{get()}} method on the user-facing state handle interface
> {{AppendingState}} states that:
> {code}
> @return The operator state value corresponding to the current input or NULL
> if the state is empty.
> {code}
> This behavior, is not true for the user-facing list state handles, as the
> behavior has always been that if the list state does not have elements, an
> empty list is returned (see FLINK-4307 / {{UserFacingListState}}).
> The fix would be to only mention the null-returning behavior on the internal
> list state interface, i.e. {{InternalListState}}, and fix the Javadoc for
> {{AppendingState}}.
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