Myasuka commented on a change in pull request #8091: [hotfix][docs] fix error
in Process Function Doc
URL: https://github.com/apache/flink/pull/8091#discussion_r270835508
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File path: docs/dev/stream/operators/process_function.md
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@@ -86,7 +86,7 @@ The following example maintains counts per key, and emits a
key/count pair whene
and emits the key/count if they match (i.e., no further update occurred
during that minute)
<span class="label label-info">Note</span> This simple example could have been
implemented with
-session windows. We use `ProcessFunction` here to illustrate the basic pattern
it provides.
+session windows. We use `KeyedProcessFunction` here to illustrate the basic
pattern it provides.`KeyedProcessFunction`, as an extension of
`ProcessFunction`.
Review comment:
Actually, there is no any extension relationship for `KeyedProcessFunction`
compared with `ProcessFunction`. From
[FLINK-8560](https://issues.apache.org/jira/browse/FLINK-8560)
`KeyedProcessFunction` is more like an optimization.
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