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https://issues.apache.org/jira/browse/HIVE-675?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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He Yongqiang updated HIVE-675:
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Attachment: hive-675-2009-9-23.patch
Talked with Namit offline. The "create database" with an already existing
directory as the db location will throw an exception, becaue databases will
have tables as their sub-objects. the "drop database" command will also drop
its corresponding data directory (as compatible with mysql and oracle's
semantic).
And need a test for the command "create database" with location, Namit will
help writing the test code. Thanks Namit!
> add database/scheme support Hive QL
> -----------------------------------
>
> Key: HIVE-675
> URL: https://issues.apache.org/jira/browse/HIVE-675
> Project: Hadoop Hive
> Issue Type: New Feature
> Components: Query Processor
> Reporter: Prasad Chakka
> Assignee: He Yongqiang
> Attachments: hive-675-2009-9-16.patch, hive-675-2009-9-19.patch,
> hive-675-2009-9-21.patch, hive-675-2009-9-23.patch, hive-675-2009-9-7.patch,
> hive-675-2009-9-8.patch
>
>
> Currently all Hive tables reside in single namespace (default). Hive should
> support multiple namespaces (databases or schemas) such that users can create
> tables in their specific namespaces. These name spaces can have different
> warehouse directories (with a default naming scheme) and possibly different
> properties.
> There is already some support for this in metastore but Hive query parser
> should have this feature as well.
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