Kishen Das created IMPALA-10740:
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Summary: MetastoreServiceHandler should extend
DefaultThriftHiveMetastore
Key: IMPALA-10740
URL: https://issues.apache.org/jira/browse/IMPALA-10740
Project: IMPALA
Issue Type: Improvement
Components: Catalog
Reporter: Kishen Das
Earlier we made MetastoreServiceHandler to extend AbstractThriftHiveMetastore,
which had the logic of throwing unsupported operation exception for all HMS
APIs. This only solves the build problem we had on Impala, whenever a new HMS
API is introduced. However, by default we should need a way to redirect the new
HMS API to HMS itself, if we do not have implement the same in CatalogD. This
new class DefaultThriftHiveMetastore in Hive does exactly that. So,
MetastoreServiceHandler should now extend DefaultThriftHiveMetastore.
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