[jira] [Created] (HIVE-17972) Implement Parquet vectorization reader for Map type

[Colin Ma (JIRA)]

Colin Ma created HIVE-17972:
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             Summary: Implement Parquet vectorization reader for Map type
                 Key: HIVE-17972
                 URL: https://issues.apache.org/jira/browse/HIVE-17972
             Project: Hive
          Issue Type: Sub-task
            Reporter: Colin Ma
            Assignee: Colin Ma
            Priority: Major


Parquet vectorized reader can't support map type, it should be supported to 
improve the performance when the query with map type.



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