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https://issues.apache.org/jira/browse/FLINK-4226?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15391196#comment-15391196
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ASF GitHub Bot commented on FLINK-4226:
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GitHub user nssalian opened a pull request:
https://github.com/apache/flink/pull/2291
FLINK-4226: Define Keys using Field Expressions example should use wi…
Description:
val wordCounts = words.keyBy("word").reduce(/*window specification*/)
Should be:
val wordCounts = words.keyBy("word").reduce window(/window specification/)
File:
/flink/docs/apis/common/index.md
Requesting Review.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/nssalian/flink FLINK-4226
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/2291.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #2291
----
commit a6bd8e2259f13b868afb97a0ba291ca39629e392
Author: Neelesh Srinivas Salian <[email protected]>
Date: 2016-07-24T23:02:12Z
FLINK-4226: Define Keys using Field Expressions example should use window
and not reduce
----
> Typo: Define Keys using Field Expressions example should use window and not
> reduce
> ----------------------------------------------------------------------------------
>
> Key: FLINK-4226
> URL: https://issues.apache.org/jira/browse/FLINK-4226
> Project: Flink
> Issue Type: Bug
> Components: Documentation
> Affects Versions: 1.0.3
> Reporter: Ahmad Ragab
> Priority: Trivial
> Labels: documentation
>
> ...
> {code:java}
> val words: DataStream[WC] = // [...]
> val wordCounts = words.keyBy("word").window(/*window specification*/)
> // or, as a case class, which is less typing
> case class WC(word: String, count: Int)
> val words: DataStream[WC] = // [...]
> val wordCounts = words.keyBy("word").reduce(/*window specification*/)
> {code}
> Should be:
> val wordCounts = words.keyBy("word").-reduce- window(/*window specification*/)
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