[jira] [Created] (FLINK-18797) docs and examples use deprecated forms of keyBy

[Shang Yuanchun (Jira)]

David Anderson created FLINK-18797:
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             Summary: docs and examples use deprecated forms of keyBy
                 Key: FLINK-18797
                 URL: https://issues.apache.org/jira/browse/FLINK-18797
             Project: Flink
          Issue Type: Improvement
          Components: Documentation
    Affects Versions: 1.11.1, 1.11.0
            Reporter: David Anderson


The DataStream example at https://ci.apache.org/projects/flink/flink-docs-stable/dev/datastream_api.html#example-program uses

{{keyBy(0)}}

which has been deprecated. There are many other cases of this throughout the docs:

dev/connectors/cassandra.md
dev/parallel.md
dev/stream/operators/index.md
dev/stream/operators/process_function.md
dev/stream/state/queryable_state.md
dev/stream/state/state.md
dev/types_serialization.md
learn-flink/etl.md
ops/scala_shell.md

and also in a number of examples:

AsyncIOExample.java
SideOutputExample.java
TwitterExample.java
GroupedProcessingTimeWindowExample.java
SessionWindowing.java
TopSpeedWindowing.java
WindowWordCount.java
WordCount.java
TwitterExample.scala
GroupedProcessingTimeWindowExample.scala
SessionWindowing.scala
WindowWordCount.scala
WordCount.scala

There are also some uses of keyBy("string"), which has also been deprecated:

dev/connectors/cassandra.md
dev/stream/operators/index.md
dev/types_serialization.md
learn-flink/etl.md

SocketWindowWordCount.java
SocketWindowWordCount.scala
TopSpeedWindowing.scala




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