Mohit Sabharwal created HIVE-8205:
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Summary: Using strings in group type fails in ParquetSerDe
Key: HIVE-8205
URL: https://issues.apache.org/jira/browse/HIVE-8205
Project: Hive
Issue Type: Bug
Components: Serializers/Deserializers
Reporter: Mohit Sabharwal
Assignee: Mohit Sabharwal
In HIVE-7735, schema info was plumbed to ETypeConverter to disambiguate between
hive Char, Varchar and String types, which are all represented as PrimitiveType
"binary" and OriginalType "utf8" in parquet.
However, this does not work for parquet nested types (that map to hive Array,
Map, etc.) containing these values, because schema lookup for nested values was
not implemented. It's also non-trivial to do that in the current parquet serde
implementation. Instead of plumbing in the schema, we should convert
these types to the same Text writeable and let the object inspectors handle the
final conversion.
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