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https://issues.apache.org/jira/browse/FLINK-17668?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17106365#comment-17106365
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Benchao Li commented on FLINK-17668:
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[~twalthr] FYI, I've add equals method for GenericMapData/GenericArrayData in
[https://github.com/apache/flink/pull/12133]
> Fix shortcomings in new data structures
> ---------------------------------------
>
> Key: FLINK-17668
> URL: https://issues.apache.org/jira/browse/FLINK-17668
> Project: Flink
> Issue Type: Sub-task
> Components: Table SQL / Planner, Table SQL / Runtime
> Reporter: Timo Walther
> Assignee: Timo Walther
> Priority: Major
>
> There are a couple of shortcomings in the new data structures:
> - The some data structures do not provide a {{hashCode/equals}} for testing.
> - `RawValueData` cannot be created from bytes.
> - Accessing elements requires dealing with logical types during runtime.
> - Null checks are performed multiple times during runtime even for types that
> are declared as NOT NULL.
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