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https://issues.apache.org/jira/browse/FLINK-3140?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15047560#comment-15047560
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Fabian Hueske commented on FLINK-3140:
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[~twalthr], I implemented a (Cascading) Tuple serializer with null-value
support for the Cascading Flink connector.
You can read or copy the code if you'd like to:
https://github.com/dataArtisans/cascading-flink/blob/master/src/main/java/com/dataartisans/flink/cascading/types/tuple/NullMaskSerDeUtils.java
> 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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