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From "HBase Review Board (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HIVE-675) add database/scheme support Hive QL
Date Wed, 04 Aug 2010 22:44:21 GMT

    [ https://issues.apache.org/jira/browse/HIVE-675?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12895457#action_12895457
] 

HBase Review Board commented on HIVE-675:
-----------------------------------------

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

-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
http://review.cloudera.org/r/508/
-----------------------------------------------------------

Review request for Hive Developers.


Summary
-------

Database/Scheme support for Hive.

* Implemented 'SHOW DATABASES' command
* Refactored TestHiveMetaStore and enabled tests for remote metastore client.
* Added launch configurations for TestHiveMetaStore and TestHiveMetaStoreRemote


This addresses bug HIVE-675.
    http://issues.apache.org/jira/browse/HIVE-675


Diffs
-----

  build-common.xml d4ff895 
  eclipse-templates/TestHive.launchtemplate 24efc12 
  eclipse-templates/TestHiveMetaStore.launchtemplate PRE-CREATION 
  eclipse-templates/TestHiveMetaStoreRemote.launchtemplate PRE-CREATION 
  metastore/if/hive_metastore.thrift 478d0af 
  metastore/src/gen-cpp/ThriftHiveMetastore.h e2538fb 
  metastore/src/gen-cpp/ThriftHiveMetastore.cpp f945a3a 
  metastore/src/gen-cpp/ThriftHiveMetastore_server.skeleton.cpp ed2bb99 
  metastore/src/gen-cpp/hive_metastore_types.h 1b0c706 
  metastore/src/gen-cpp/hive_metastore_types.cpp b5a403d 
  metastore/src/gen-javabean/org/apache/hadoop/hive/metastore/api/Database.java 78c78d9 
  metastore/src/gen-javabean/org/apache/hadoop/hive/metastore/api/ThriftHiveMetastore.java
25408d9 
  metastore/src/gen-php/ThriftHiveMetastore.php ea4add5 
  metastore/src/gen-php/hive_metastore_types.php 61872a0 
  metastore/src/gen-py/hive_metastore/ThriftHiveMetastore-remote fc06cba 
  metastore/src/gen-py/hive_metastore/ThriftHiveMetastore.py 4a0bc67 
  metastore/src/gen-py/hive_metastore/ttypes.py ea7269e 
  metastore/src/java/org/apache/hadoop/hive/metastore/HiveAlterHandler.java 39dbd52 
  metastore/src/java/org/apache/hadoop/hive/metastore/HiveMetaStore.java 4fb296a 
  metastore/src/java/org/apache/hadoop/hive/metastore/HiveMetaStoreClient.java c6541af 
  metastore/src/java/org/apache/hadoop/hive/metastore/IMetaStoreClient.java 6013644 
  metastore/src/java/org/apache/hadoop/hive/metastore/MetaStoreUtils.java 0818689 
  metastore/src/java/org/apache/hadoop/hive/metastore/ObjectStore.java a06384c 
  metastore/src/java/org/apache/hadoop/hive/metastore/RawStore.java 4951bd6 
  metastore/src/java/org/apache/hadoop/hive/metastore/Warehouse.java 4488f94 
  metastore/src/model/org/apache/hadoop/hive/metastore/model/MDatabase.java b3e098d 
  metastore/src/model/package.jdo 206ba75 
  metastore/src/test/org/apache/hadoop/hive/metastore/TestHiveMetaStore.java fff6aad 
  metastore/src/test/org/apache/hadoop/hive/metastore/TestHiveMetaStoreBase.java PRE-CREATION

  metastore/src/test/org/apache/hadoop/hive/metastore/TestHiveMetaStoreRemote.java bc950b9

  ql/src/java/org/apache/hadoop/hive/ql/exec/DDLTask.java bc268a4 
  ql/src/java/org/apache/hadoop/hive/ql/exec/MoveTask.java d59f48c 
  ql/src/java/org/apache/hadoop/hive/ql/metadata/Hive.java 04dd9e3 
  ql/src/java/org/apache/hadoop/hive/ql/metadata/Table.java 2ecda01 
  ql/src/java/org/apache/hadoop/hive/ql/parse/BaseSemanticAnalyzer.java eedf9e3 
  ql/src/java/org/apache/hadoop/hive/ql/parse/DDLSemanticAnalyzer.java 0484c91 
  ql/src/java/org/apache/hadoop/hive/ql/parse/Hive.g 02bf926 
  ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java 70cd05f 
  ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzerFactory.java eb079aa 
  ql/src/java/org/apache/hadoop/hive/ql/plan/CreateDatabaseDesc.java PRE-CREATION 
  ql/src/java/org/apache/hadoop/hive/ql/plan/DDLWork.java ed4ed22 
  ql/src/java/org/apache/hadoop/hive/ql/plan/DropDatabaseDesc.java PRE-CREATION 
  ql/src/java/org/apache/hadoop/hive/ql/plan/ShowDatabasesDesc.java PRE-CREATION 
  ql/src/java/org/apache/hadoop/hive/ql/plan/SwitchDatabaseDesc.java PRE-CREATION 
  ql/src/test/org/apache/hadoop/hive/ql/QTestUtil.java b4651a2 
  ql/src/test/org/apache/hadoop/hive/ql/metadata/TestHive.java ab39ca4 
  ql/src/test/org/apache/hadoop/hive/ql/metadata/TestHiveMetaStoreChecker.java 26cc71a 
  ql/src/test/queries/clientnegative/create_database_bad_name.q PRE-CREATION 
  ql/src/test/queries/clientnegative/database_switch_test.q PRE-CREATION 
  ql/src/test/queries/clientpositive/database.q PRE-CREATION 
  ql/src/test/results/clientnegative/create_database_bad_name.q.out PRE-CREATION 
  ql/src/test/results/clientnegative/database_switch_test.q.out PRE-CREATION 
  ql/src/test/results/clientpositive/database.q.out PRE-CREATION 

Diff: http://review.cloudera.org/r/508/diff


Testing
-------


Thanks,

Carl




> 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: 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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