BELUGA BEHR created HIVE-21240:
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             Summary: JSON SerDe Re-Write
                 Key: HIVE-21240
                 URL: https://issues.apache.org/jira/browse/HIVE-21240
             Project: Hive
          Issue Type: Improvement
          Components: Serializers/Deserializers
    Affects Versions: 3.1.1, 4.0.0
            Reporter: BELUGA BEHR
             Fix For: 4.0.0


The JSON SerDe has a few issues, I will link them to this JIRA.

* Use Jackson Tree parser instead of manually parsing
* Added support for base-64 encoded data (the expected format when using JSON)
* Added support to skip blank lines (returns all columns as null values)
* Current JSON parser accepts, but does not apply, custom timestamp formats in 
most cases
* Added some unit tests
* Added cache for column-name to column-index searches, currently O\(n\) for 
each row processed, for each column in the row



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