Vihang Karajgaonkar reassigned HIVE-23785:

> Database should have a unique id
> --------------------------------
>                 Key: HIVE-23785
>                 URL: https://issues.apache.org/jira/browse/HIVE-23785
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Vihang Karajgaonkar
>            Assignee: Vihang Karajgaonkar
>            Priority: Minor
> HIVE-20556 introduced a id field to the Table object. This is a useful 
> information since a table which is dropped and recreated with the same name 
> will have a different Id. If a HMS client is caching such table object, it 
> can be used to determine if the table which is present on the client-side 
> matches with the one in the HMS.
> We can expand this idea to other HMS objects like Database, Catalogs and 
> Partitions and add a new id field.

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