[jira] [Created] (HIVE-4653) Favor serde2.io Writable classes over hadoop.io ones

["Remus Rusanu (JIRA)" <ji...@apache.org>]

Remus Rusanu created HIVE-4653:
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             Summary: 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
            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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