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Date: Wed, 13 Jul 2011 23:05:02 +0000 (UTC)
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Subject: [jira] [Commented] (HIVE-2247) ALTER TABLE RENAME PARTITION
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    [ https://issues.apache.org/jira/browse/HIVE-2247?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13064937#comment-13064937 ] 

jiraposter@reviews.apache.org commented on HIVE-2247:
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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/1105/
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Review request for Siying Dong.


Summary
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Implement ALTER TABLE PARTITION RENAME function to rename a partition. 
Add HiveQL syntax "ALTER TABLE bar PARTITION (k1='v1', k2='v2') RENAME TO PARTITION (k1='v3', k2='v4');"
This is my first Hive diff, I just learn everything from existing codebase and may not have a good understanding on it. 
Feel free to inform me if I make something wrong. Thanks


This addresses bug HIVE-2247.
    https://issues.apache.org/jira/browse/HIVE-2247


Diffs
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  trunk/metastore/src/gen/thrift/gen-php/hive_metastore/ThriftHiveMetastore.php 1145366 
  trunk/metastore/src/gen/thrift/gen-cpp/ThriftHiveMetastore_server.skeleton.cpp 1145366 
  trunk/metastore/src/gen/thrift/gen-javabean/org/apache/hadoop/hive/metastore/api/ThriftHiveMetastore.java 1145366 
  trunk/metastore/src/gen/thrift/gen-cpp/ThriftHiveMetastore.cpp 1145366 
  trunk/metastore/if/hive_metastore.thrift 1145366 
  trunk/metastore/src/gen/thrift/gen-cpp/ThriftHiveMetastore.h 1145366 
  trunk/metastore/src/gen/thrift/gen-rb/thrift_hive_metastore.rb 1145366 
  trunk/metastore/src/java/org/apache/hadoop/hive/metastore/HiveMetaStore.java 1145366 
  trunk/metastore/src/java/org/apache/hadoop/hive/metastore/HiveMetaStoreClient.java 1145366 
  trunk/metastore/src/java/org/apache/hadoop/hive/metastore/IMetaStoreClient.java 1145366 
  trunk/metastore/src/java/org/apache/hadoop/hive/metastore/ObjectStore.java 1145366 
  trunk/metastore/src/java/org/apache/hadoop/hive/metastore/RawStore.java 1145366 
  trunk/metastore/src/test/org/apache/hadoop/hive/metastore/TestHiveMetaStore.java 1145366 
  trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/DDLTask.java 1145366 
  trunk/ql/src/java/org/apache/hadoop/hive/ql/metadata/Hive.java 1145366 
  trunk/ql/src/java/org/apache/hadoop/hive/ql/parse/DDLSemanticAnalyzer.java 1145366 
  trunk/ql/src/java/org/apache/hadoop/hive/ql/parse/Hive.g 1145366 
  trunk/ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzerFactory.java 1145366 
  trunk/ql/src/java/org/apache/hadoop/hive/ql/plan/AlterTableDesc.java 1145366 
  trunk/ql/src/java/org/apache/hadoop/hive/ql/plan/DDLWork.java 1145366 
  trunk/ql/src/java/org/apache/hadoop/hive/ql/plan/HiveOperation.java 1145366 
  trunk/ql/src/java/org/apache/hadoop/hive/ql/plan/RenamePartitionDesc.java PRE-CREATION 
  trunk/ql/src/test/queries/clientnegative/alter_rename_partition_failure.q PRE-CREATION 
  trunk/ql/src/test/queries/clientnegative/alter_rename_partition_failure2.q PRE-CREATION 
  trunk/ql/src/test/queries/clientnegative/alter_rename_partition_failure3.q PRE-CREATION 
  trunk/ql/src/test/queries/clientpositive/alter_rename_partition.q PRE-CREATION 
  trunk/ql/src/test/results/clientnegative/alter_rename_partition_failure.q.out PRE-CREATION 
  trunk/ql/src/test/results/clientnegative/alter_rename_partition_failure2.q.out PRE-CREATION 
  trunk/ql/src/test/results/clientnegative/alter_rename_partition_failure3.q.out PRE-CREATION 
  trunk/ql/src/test/results/clientpositive/alter_rename_partition.q.out PRE-CREATION 
  trunk/metastore/src/gen/thrift/gen-py/hive_metastore/ThriftHiveMetastore-remote 1145366 
  trunk/metastore/src/gen/thrift/gen-py/hive_metastore/ThriftHiveMetastore.py 1145366 

Diff: https://reviews.apache.org/r/1105/diff


Testing
-------

Add a partition A in the table
Rename partition A to partition B
Show the partitions in the table, it returns partition B.
SELECT the data from partition A, it returns no results
SELECT the data from partition B, it returns the data originally stored in partition A


Thanks,

Weiyan


> ALTER TABLE RENAME PARTITION
> ----------------------------
>
>                 Key: HIVE-2247
>                 URL: https://issues.apache.org/jira/browse/HIVE-2247
>             Project: Hive
>          Issue Type: New Feature
>            Reporter: Siying Dong
>            Assignee: Weiyan Wang
>
> We need a ALTER TABLE TABLE RENAME PARTITIONfunction that is similar t ALTER TABLE RENAME.

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