Adam Szita updated HIVE-18705:
    Status: Patch Available  (was: In Progress)

> Improve HiveMetaStoreClient.dropDatabase
> ----------------------------------------
>                 Key: HIVE-18705
>                 URL: https://issues.apache.org/jira/browse/HIVE-18705
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Adam Szita
>            Assignee: Adam Szita
>            Priority: Major
>         Attachments: HIVE-18705.0.patch, HIVE-18705.1.patch, 
> HIVE-18705.2.patch
> {{HiveMetaStoreClient.dropDatabase}} has a strange implementation to ensure 
> dealing with client side hooks (for non-native tables e.g. HBase). Currently 
> it starts by retrieving all the tables from HMS, and then sends {{dropTable}} 
> calls to HMS table-by-table. At the end a {{dropDatabase}} just to be sure :) 
> I believe this could be refactored so that it speeds up the dropDB in 
> situations where the average table count per DB is very high.

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