Ryan Blue created PARQUET-113:
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             Summary: Clarify parquet-format specification for LIST and MAP 
structures.
                 Key: PARQUET-113
                 URL: https://issues.apache.org/jira/browse/PARQUET-113
             Project: Parquet
          Issue Type: Bug
          Components: parquet-format, parquet-mr
            Reporter: Ryan Blue
            Assignee: Ryan Blue


There are incompatibilities in the way that some parquet object models 
translate nested structures annotated by LIST and MAP / MAP_KEY_VALUE. We need 
to define clearly what the structures should look like and how to interpret 
existing structures, including what must be supported to read current 
parquet-avro, parquet-thrift, etc. files.



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