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https://issues.apache.org/jira/browse/HIVE-9578?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14313131#comment-14313131
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Alan Gates commented on HIVE-9578:
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In this case I agree performance isn't an issue. One almost never alters a
database, and I've never once had someone complain to me that his alter
database command is too slow. But I would like the interface to be consistent.
Either it checks existence for alters, or it doesn't. Doing it for some
objects but not others is confusing. Alter table and alter partition are
called on insert (to update the last accessed time), and those we do want to be
fast.
> Add support for getDatabases and alterDatabase calls [hbase-metastore branch]
> -----------------------------------------------------------------------------
>
> Key: HIVE-9578
> URL: https://issues.apache.org/jira/browse/HIVE-9578
> Project: Hive
> Issue Type: Sub-task
> Components: Metastore
> Reporter: Alan Gates
> Assignee: Alan Gates
> Attachments: HIVE-9578.patch
>
>
> The initial patch only supporting getting a single database, add database,
> and drop database. Support needs to be added for alter database, getting all
> the databases, and getting database names by pattern.
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