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Date: Mon, 25 Sep 2017 14:39:00 +0000 (UTC)
From: "ASF GitHub Bot (JIRA)" <jira@apache.org>
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Subject: [jira] [Commented] (FLINK-7683) Add method to iterate over all of
 the existing keys in a statebackend
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archived-at: Mon, 25 Sep 2017 14:39:06 -0000


    [ https://issues.apache.org/jira/browse/FLINK-7683?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16179116#comment-16179116 ] 

ASF GitHub Bot commented on FLINK-7683:
---------------------------------------

GitHub user pnowojski opened a pull request:

    https://github.com/apache/flink/pull/4722

    [FLINK-7683] Iterate over keys in KeyedStateBackend

    ## What is the purpose of the change
    
    This is required to make possible preserving backward compatibility while changing state definition of a keyed state operator.
    
    ## Verifying this change
    
    This change added new unit tests to cover new feature.
    
    ## 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
    
    ## Documentation
    
      - Does this pull request introduce a new feature? yes
      - If yes, how is the feature documented? JavaDocs
    

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

    $ git pull https://github.com/pnowojski/flink keys

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

    https://github.com/apache/flink/pull/4722.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 #4722
    
----
commit ac41b26cdb5c2341bb25e520c4d449ec4e956a8f
Author: Piotr Nowojski <piotr.nowojski@gmail.com>
Date:   2017-09-14T10:39:30Z

    [FLINK-7683] Iterate over keys in KeyedStateBackend

----


> Add method to iterate over all of the existing keys in a statebackend
> ---------------------------------------------------------------------
>
>                 Key: FLINK-7683
>                 URL: https://issues.apache.org/jira/browse/FLINK-7683
>             Project: Flink
>          Issue Type: New Feature
>          Components: State Backends, Checkpointing
>            Reporter: Piotr Nowojski
>            Assignee: Piotr Nowojski
>
> This is required to make possible preserving backward compatibility while changing state definition of a keyed state operator.


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