Alex Levenson created PARQUET-283:
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Summary: Parquet-Thrift does not handle dropping values in a map
Key: PARQUET-283
URL: https://issues.apache.org/jira/browse/PARQUET-283
Project: Parquet
Issue Type: Bug
Components: parquet-mr
Reporter: Alex Levenson
Assignee: Alex Levenson
Thrift does not have a notion of null, and it does not treat map values as
optional. We need to apply the same trick as we do for unions to map values --
keep at least 1 primitive column even when the values of the map are not
requested.
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