[jira] [Created] (FLINK-12952) Minor doc correction regarding incremental window functions

[Shang Yuanchun (Jira)]

Mans Singh created FLINK-12952:
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             Summary: Minor doc correction regarding incremental window functions
                 Key: FLINK-12952
                 URL: https://issues.apache.org/jira/browse/FLINK-12952
             Project: Flink
          Issue Type: Improvement
          Components: Documentation
    Affects Versions: 1.8.0
            Reporter: Mans Singh
            Assignee: Mans Singh


The Flink documentation [Window Function|https://ci.apache.org/projects/flink/flink-docs-release-1.8/dev/stream/operators/windows.html#window-functions], mentions that

bq. The window function can be one of ReduceFunction, AggregateFunction, FoldFunction or ProcessWindowFunction. The first two can be executed more efficiently

It should perhaps state (since FoldFunction, though deprecated, is also incremental):
bq.  The first *three* can be executed more efficiently





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