Csaba Ringhofer created IMPALA-11718:
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Summary: Improve support for Hive Generic UDFs
Key: IMPALA-11718
URL: https://issues.apache.org/jira/browse/IMPALA-11718
Project: IMPALA
Issue Type: New Feature
Components: Catalog, Frontend
Reporter: Csaba Ringhofer
IMPALA-11162 has provided support for loading and running HIve generic UDFs,
but it does not support handling them in an actually generic way, so the all
overloads has to be added separately with argument and return types, similarly
to non-persistent legacy Hive UDFs. This also means that the generic UDFs
cannot be persisted to HMS, which doesn't expect argument/return type, only a
.jar path and a function name.
This ticket is created to add support for actual generic handling and
persistence to HMS.
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