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https://issues.apache.org/jira/browse/HIVE-675?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12757588#action_12757588
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Namit Jain commented on HIVE-675:
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Mostly looks good, I had some minor comments:
1. No positive test for CREATE DATEBASE
2. Instead of having a separate processor, it might be a good idea to support
'use database' in Hive.g - in general, we are trying to add everything to
Hive.g, since it will make adding different clients easy.
3. More positive tests - the test that you mentioned in the beginning - insert
into db2 while selecting from db1 -
4. database_test.q and database_switch_test.q seem to be the same.
> 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-675-2009-9-7.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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