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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-9850) Add a string to the print method to identify output for DataStream
Date Wed, 18 Jul 2018 15:25:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-9850?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16547965#comment-16547965
] 

ASF GitHub Bot commented on FLINK-9850:
---------------------------------------

GitHub user yanghua opened a pull request:

    https://github.com/apache/flink/pull/6367

    [FLINK-9850] Add a string to the print method to identify output for DataStream

    ## What is the purpose of the change
    
    *This pull request adds a string to the print method to identify output for DataStream*
    
    
    ## Brief change log
    
      - *add print(string) / printToErr(string) to DataStream Java API*
      - *add print(string) / printToErr(string) to DataStream Scala API*
      - *add print(string) to DataStream Python API*
    
    ## 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): (yes / **no**)
      - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: (**yes**
/ no)
      - The serializers: (yes / **no** / don't know)
      - The runtime per-record code paths (performance sensitive): (yes / **no** / don't know)
      - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing,
Yarn/Mesos, ZooKeeper: (yes / **no** / don't know)
      - The S3 file system connector: (yes / **no** / don't know)
    
    ## Documentation
    
      - Does this pull request introduce a new feature? (yes / **no**)
      - If yes, how is the feature documented? (not applicable / **docs** / **JavaDocs** /
not documented)


You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/yanghua/flink FLINK-9850

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/flink/pull/6367.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 #6367
    
----
commit 80215cd12618392ab0909a431863939d3353ca16
Author: yanghua <yanghua1127@...>
Date:   2018-07-18T15:20:11Z

    [FLINK-9850] Add a string to the print method to identify output for DataStream

----


> Add a string to the print method to identify output for DataStream
> ------------------------------------------------------------------
>
>                 Key: FLINK-9850
>                 URL: https://issues.apache.org/jira/browse/FLINK-9850
>             Project: Flink
>          Issue Type: New Feature
>          Components: DataStream API
>            Reporter: Hequn Cheng
>            Assignee: vinoyang
>            Priority: Major
>              Labels: pull-request-available
>
> The output of the print method of {[DataSet}} allows the user to supply a String to identify
the output(see [FLINK-1486|https://issues.apache.org/jira/browse/FLINK-1486]). But {[DataStream}}
doesn't support now. It is valuable to add this feature for {{DataStream}}



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