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From "Ashish Thusoo (JIRA)" <j...@apache.org>
Subject [jira] Created: (HIVE-805) Session level metastore
Date Thu, 27 Aug 2009 02:02:59 GMT
Session level metastore

                 Key: HIVE-805
                 URL: https://issues.apache.org/jira/browse/HIVE-805
             Project: Hadoop Hive
          Issue Type: New Feature
          Components: Query Processor
    Affects Versions: 0.5.0
            Reporter: Ashish Thusoo
            Assignee: Ashish Thusoo

Implement a shadow metastore that is in memory and runs for a session. This can contain definitions
for session specific views that can be used to implement data flow variables in Hive. It can
also be used for testing scripts. First we will support the later use case where in all the
DDL statements in the session create objects in the session metastore and all the queries
are converted to explain internal. Any thoughts on load commands?

This feature is enabled when

set hive.session.test = true

is done in the session.

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