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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