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https://issues.apache.org/jira/browse/HIVE-9578?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14312759#comment-14312759
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Alan Gates commented on HIVE-9578:
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The only place that calls alterDatabase is DDLTask.alterDatabase, which first
calls getDatabase. So I say we make it explicit in the contract in RawStore
that this assumes the caller has already checked for the existence of the db
and then not do a get. Otherwise we're almost guaranteed to double fetch the
db.
> 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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