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https://issues.apache.org/jira/browse/HIVE-4653?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jitendra Nath Pandey resolved HIVE-4653.
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Resolution: Duplicate
HIVE-4665 will fix this.
> Favor serde2.io Writable classes over hadoop.io ones
> ----------------------------------------------------
>
> Key: HIVE-4653
> URL: https://issues.apache.org/jira/browse/HIVE-4653
> Project: Hive
> Issue Type: Sub-task
> Components: Query Processor
> Affects Versions: vectorization-branch
> Reporter: Remus Rusanu
> Assignee: Remus Rusanu
> Priority: Minor
>
> "The Writables are originally from org.apache.hadoop.io. I tend to assume
> that they have been re-defined in hive if the original implementation was not
> considered good enough.
> However, I don't understand why some are defined twice in hive itself. I
> noticed that ByteWritable in o.a.h.hive.ql.exec is not being used anywhere.
> The ByteWritable in serde2.io is being referred to in bunch of places.
> Therefore, I would suggest to just use the one in serde2.io."
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