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https://issues.apache.org/jira/browse/FLINK-31841?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Flink Jira Bot updated FLINK-31841:
-----------------------------------
Labels: pull-request-available stale-assigned (was: pull-request-available)
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> Redundant local variables in AllWindowedStream#reduce
> -----------------------------------------------------
>
> Key: FLINK-31841
> URL: https://issues.apache.org/jira/browse/FLINK-31841
> Project: Flink
> Issue Type: Improvement
> Components: API / DataStream
> Affects Versions: 1.18.0
> Reporter: Wencong Liu
> Assignee: Wencong Liu
> Priority: Major
> Labels: pull-request-available, stale-assigned
> Fix For: 1.18.0
>
>
> Currently, there is two redundant local variables in AllWindowedStream#reduce.
> {code:java}
> public SingleOutputStreamOperator<T> reduce(ReduceFunction<T> function) {
> if (function instanceof RichFunction) {
> throw new UnsupportedOperationException(
> "ReduceFunction of reduce can not be a RichFunction. "
> + "Please use reduce(ReduceFunction, WindowFunction)
> instead.");
> }
> // clean the closure
> function = input.getExecutionEnvironment().clean(function);
> String callLocation = Utils.getCallLocationName();
> String udfName = "AllWindowedStream." + callLocation;
> return reduce(function, new PassThroughAllWindowFunction<W, T>());
> } {code}
> `callLocation` and `udfName` are not used.
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