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https://issues.apache.org/jira/browse/FLINK-3140?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15092067#comment-15092067
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ASF GitHub Bot commented on FLINK-3140:
---------------------------------------

Github user twalthr commented on the pull request:

    https://github.com/apache/flink/pull/1465#issuecomment-170584470
  
    @fhueske I updated the PR again. I implemented your suggestion of 
NullAwareComparators wrapping the normal comparators. I also added additional 
test cases. What do you think?


> NULL value data layout in Row Serializer/Comparator
> ---------------------------------------------------
>
>                 Key: FLINK-3140
>                 URL: https://issues.apache.org/jira/browse/FLINK-3140
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Table API
>            Reporter: Chengxiang Li
>            Assignee: Timo Walther
>
> To store/materialize NULL value in Row objects, we should need new Row 
> Serializer/Comparator which is aware of NULL value fields.



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