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https://issues.apache.org/jira/browse/FLINK-9985?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16562019#comment-16562019
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ASF GitHub Bot commented on FLINK-9985:
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lsyldliu opened a new pull request #6457: [FLINK-9985] Incorrect parameter
order in document
URL: https://github.com/apache/flink/pull/6457
## What is the purpose of the change
*(This pull request is aim to fix incorrect parameter order in document
about windows)*
## Brief change log
*(fix incorrect parameter order in document about windows)*
## Verifying this change
*(This change is a trivial rework / code cleanup without any test coverage.)*
## Does this pull request potentially affect one of the following parts:
- Dependencies (does it add or upgrade a dependency): (no)
- The public API, i.e., is any changed class annotated with
`@Public(Evolving)`: (no)
- The serializers: ( no)
- The runtime per-record code paths (performance sensitive): ( no )
- Anything that affects deployment or recovery: JobManager (and its
components), Checkpointing, Yarn/Mesos, ZooKeeper: (no)
- The S3 file system connector: (no)
## Documentation
- Does this pull request introduce a new feature? (no)
- If yes, how is the feature documented? (docs)
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> Incorrect parameter order in document
> -------------------------------------
>
> Key: FLINK-9985
> URL: https://issues.apache.org/jira/browse/FLINK-9985
> Project: Flink
> Issue Type: Bug
> Components: Documentation
> Affects Versions: 1.5.1
> Reporter: zhangminglei
> Assignee: zhangminglei
> Priority: Major
> Labels: pull-request-available
>
> https://ci.apache.org/projects/flink/flink-docs-release-1.5/dev/stream/operators/windows.html#incremental-window-aggregation-with-foldfunction
> {code:java}
> public Tuple3<String, Long, Integer> fold(Tuple3<String, Long, Integer> acc,
> SensorReading s) {
> Integer cur = acc.getField(2);
> acc.setField(2, cur + 1); // incorrect parameter order , it should be
> acc.setField(cur + 1, 2)
> return acc;
> }
> {code}
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