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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-1032) Extend POJO Field Selectors to Support Accessing Nested Objects
Date Mon, 01 Sep 2014 17:20:21 GMT

    [ https://issues.apache.org/jira/browse/FLINK-1032?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14117574#comment-14117574
] 

ASF GitHub Bot commented on FLINK-1032:
---------------------------------------

Github user rmetzger commented on the pull request:

    https://github.com/apache/incubator-flink/pull/79#issuecomment-54080134
  
    I've picked up the work here to continue working on https://issues.apache.org/jira/browse/FLINK-1032.
    You can find the current work in progress here: https://github.com/rmetzger/incubator-flink/tree/pojo-nested-field-selectors
    
    I would suggest to close this pull request. The three commits from this PR will be contained
in the PR that I'm going to open.


> Extend POJO Field Selectors to Support Accessing Nested Objects
> ---------------------------------------------------------------
>
>                 Key: FLINK-1032
>                 URL: https://issues.apache.org/jira/browse/FLINK-1032
>             Project: Flink
>          Issue Type: Improvement
>          Components: Java API
>            Reporter: Aljoscha Krettek
>            Assignee: Robert Metzger
>            Priority: Minor
>
> Right now you can only use fields of the top-level object as key fields in groupings,
joins, and co-group. This should be extended to allow using nested fields. We have to be careful
with null fields, though.



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