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From "HBase Review Board (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HIVE-675) add database/schema support Hive QL
Date Mon, 16 Aug 2010 20:20:21 GMT

    [ https://issues.apache.org/jira/browse/HIVE-675?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12899070#action_12899070

HBase Review Board commented on HIVE-675:

Message from: "Carl Steinbach" <carl@cloudera.com>

bq.  On 2010-08-09 15:51:55, John Sichi wrote:
bq.  > metastore/src/model/package.jdo, line 11
bq.  > <http://review.cloudera.org/r/508/diff/2/?file=5193#file5193line11>
bq.  >
bq.  >     Do we really need to change this column name?  I can see that it doesn't follow
the conventions for other tables, but it might make upgrades a pain.
bq.  >

I reverted the change.

bq.  On 2010-08-09 15:51:55, John Sichi wrote:
bq.  > ql/src/java/org/apache/hadoop/hive/ql/plan/ShowDatabasesDesc.java, line 41
bq.  > <http://review.cloudera.org/r/508/diff/2/?file=5209#file5209line41>
bq.  >
bq.  >     Should this be db_name instead of tab_name?


- Carl

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> add database/schema support Hive QL
> -----------------------------------
>                 Key: HIVE-675
>                 URL: https://issues.apache.org/jira/browse/HIVE-675
>             Project: Hadoop Hive
>          Issue Type: New Feature
>          Components: Metastore, Query Processor
>            Reporter: Prasad Chakka
>            Assignee: Carl Steinbach
>             Fix For: 0.6.0, 0.7.0
>         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, HIVE-675-2010-08-16.patch.txt,
HIVE-675-2010-7-16.patch.txt, HIVE-675-2010-8-4.patch.txt, HIVE-675.10.patch.txt, HIVE-675.11.patch.txt
> 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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