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

["Chesnay Schepler (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-12952?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chesnay Schepler closed FLINK-12952.
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    Resolution: Not A Problem

According to FLINK-5720 folding is not an incremental operation.
{quote}Folding is an operation that cannot be done incrementally in a distributed way and that also cannot be done on merging windows.
{quote}

> 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: API / DataStream, Documentation
>    Affects Versions: 1.8.0
>            Reporter: Mans Singh
>            Assignee: Mans Singh
>            Priority: Trivial
>              Labels: doc, pull-request-available, windows
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> 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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