Sean Busbey created HIVE-3538:
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Summary: Avro SerDe can't handle Nullable Enums
Key: HIVE-3538
URL: https://issues.apache.org/jira/browse/HIVE-3538
Project: Hive
Issue Type: Bug
Reporter: Sean Busbey
If a field has a schema that unions NULL with an enum, Avro fails to resolve
the union because Avro SerDe doesn't restore "enumness".
Since the enum datum is a String, avro internals check the union for a string
schema, which is not present.
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