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https://issues.apache.org/jira/browse/HIVE-675?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12897625#action_12897625
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HBase Review Board commented on HIVE-675:
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Message from: "Carl Steinbach" <[email protected]>
bq. On 2010-08-11 06:57:04, namit jain wrote:
bq. > ql/src/java/org/apache/hadoop/hive/ql/parse/Hive.g, line 572
bq. > <http://review.cloudera.org/r/508/diff/2/?file=5203#file5203line572>
bq. >
bq. > remove KW_SCHEMAS
In MySQL SHOW SCHEMAS is a synonym for SHOW DATABASES as of version 5.0.2. I
think the general convention in Hive is to mimic the behavior of MySQL. Please
let me know if there is a reason why we should not do that here.
http://dev.mysql.com/doc/refman/5.0/en/show-databases.html
- 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-675-2010-7-16.patch.txt,
> HIVE-675-2010-8-4.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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