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From "Vasia Kalavri (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (FLINK-3630) Little mistake in documentation
Date Thu, 17 Mar 2016 11:09:33 GMT

     [ https://issues.apache.org/jira/browse/FLINK-3630?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vasia Kalavri reassigned FLINK-3630:
------------------------------------

    Assignee: Vasia Kalavri

> Little mistake in documentation
> -------------------------------
>
>                 Key: FLINK-3630
>                 URL: https://issues.apache.org/jira/browse/FLINK-3630
>             Project: Flink
>          Issue Type: Bug
>          Components: DataSet API, Documentation
>    Affects Versions: 1.0.0
>            Reporter: Riccardo Diomedi
>            Assignee: Vasia Kalavri
>            Priority: Minor
>              Labels: documentation
>
> in section "GroupCombine on a Grouped DataSet" of the following link: https://ci.apache.org/projects/flink/flink-docs-release-1.0/apis/batch/dataset_transformations.html#groupreduce-on-grouped-dataset
> there is a little mistake in java code in both combine and reduce method(it's the same
mistake). The variable "word" is defined in the scope of the for loop so it cannot be used
in collect method.
> Possible solution could be to initialise the variable before the for and assign a value
inside the for.
> Something like:
> int count = 0;
> String word;
> for (String record : words) {
>     word = record;
>     count++;
> }
> out.collect(new Tuple2(word, count)); 



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