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Posted to dev@parquet.apache.org by "Ryan Blue (JIRA)" <ji...@apache.org> on 2015/02/26 01:11:05 UTC

[jira] [Created] (PARQUET-191) Avro schema conversion incorrectly converts maps with nullable values.

Ryan Blue created PARQUET-191:
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             Summary: Avro schema conversion incorrectly converts maps with nullable values.
                 Key: PARQUET-191
                 URL: https://issues.apache.org/jira/browse/PARQUET-191
             Project: Parquet
          Issue Type: Improvement
          Components: parquet-mr
    Affects Versions: 1.5.0
            Reporter: Ryan Blue
             Fix For: 1.6.0


The current conversion from a Parquet type to an Avro schema doesn't preserve optional map types. This doesn't affect deserialization, so nullable map values will have a non-null Avro schema but may have null values.



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