Alexey Vishnevskiy created HIVE-24413:
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Summary: MetaStorePreEventListener is incomplete
Key: HIVE-24413
URL: https://issues.apache.org/jira/browse/HIVE-24413
Project: Hive
Issue Type: Improvement
Components: Metastore
Affects Versions: 3.1.2
Reporter: Alexey Vishnevskiy
Fix For: All Versions
According to Hive documentation, MetaStorePreEventListener should be used to
perform authorization and/or additional actions for every metastore call.
MetaStorePreEventListener is implemented and works for some calls, but does not
work for others. For example, It does work for calls: getTable, createDatabase,
createTable, alterTable, alterPartition, etc... but does not get called for
alterDatabase, getFields, getDatabases, getTableStatistics, etc...
Proper implementation of MetaStorePreEventListener would require a lot of
changes in different classes so it seems that it is better to add a similar
listener in the descendant of org.apache.thrift.ProcessFunction and change
ThriftHiveMetastore generated by thrift compiler to descend all auto-generated
classes from it, not from the ProcessFunction directly. This applies to all
versions of HiveMetastore with MetaStorePreEventListener implemented.
I would like to contribute code for this functionality for the trunk - please
let me know your suggestions and thoughts.
Thanks!
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