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https://issues.apache.org/jira/browse/FLINK-14848?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16977162#comment-16977162
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Jingsong Lee commented on FLINK-14848:
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Hi [~docete], I think you should explain it clearer. And maybe you should add a
simple case to repetition this bug.
I know there is a bug, but I don't think your description is right.
> BaseRowSerializer.toBinaryRow wrongly process null for objects with
> variable-length part
> ----------------------------------------------------------------------------------------
>
> Key: FLINK-14848
> URL: https://issues.apache.org/jira/browse/FLINK-14848
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Planner
> Affects Versions: 1.9.1
> Reporter: Zhenghua Gao
> Priority: Major
>
> For the fixed-length objects, the writer calls setNullAt() to update
> fixed-length part（which set null bits and initialize fixed-length part with 0;
> For the variable-length objects, the writer calls setNullAt to update
> fixed-length part and need to assign & initialize variable-length part
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