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From "Navis Ryu" <navis....@nexr.com>
Subject Review Request 19865: Support partial partition exchange
Date Tue, 01 Apr 2014 09:12:32 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/19865/
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Review request for hive.


Bugs: HIVE-6133
    https://issues.apache.org/jira/browse/HIVE-6133


Repository: hive-git


Description
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Current alter exchange coerces source and destination table to have same partition columns.
But source table has sub-set of partitions and provided partition spec supplements to be a
complete partition spec, it need not to be that.

For example, 
{noformat}
CREATE TABLE exchange_part_test1 (f1 string) PARTITIONED BY (ds STRING);
CREATE TABLE exchange_part_test2 (f1 string) 
ALTER TABLE exchange_part_test1 EXCHANGE PARTITION (ds='2013-04-05') WITH TABLE exchange_part_test2;
{noformat}

or 

{noformat}
CREATE TABLE exchange_part_test1 (f1 string) PARTITIONED BY (ds STRING, hr STRING);
CREATE TABLE exchange_part_test2 (f1 string) PARTITIONED BY (hr STRING)
ALTER TABLE exchange_part_test1 EXCHANGE PARTITION (ds='2013-04-05') WITH TABLE exchange_part_test2;
{noformat}

can be possible.


Diffs
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  metastore/src/java/org/apache/hadoop/hive/metastore/HiveMetaStore.java 844e07c 
  metastore/src/java/org/apache/hadoop/hive/metastore/MetaStoreUtils.java 1bbe02e 
  ql/src/java/org/apache/hadoop/hive/ql/parse/DDLSemanticAnalyzer.java 117295a 
  ql/src/test/queries/clientnegative/exchange_partition_neg_partial_match1.q PRE-CREATION

  ql/src/test/queries/clientnegative/exchange_partition_neg_partial_match2.q PRE-CREATION

  ql/src/test/queries/clientnegative/exchange_partition_neg_partial_match3.q PRE-CREATION

  ql/src/test/queries/clientpositive/exchange_partition_partial_match1.q PRE-CREATION 
  ql/src/test/queries/clientpositive/exchange_partition_partial_match2.q PRE-CREATION 
  ql/src/test/queries/clientpositive/exchange_partition_partial_match3.q PRE-CREATION 
  ql/src/test/queries/clientpositive/exchange_partition_partial_match4.q PRE-CREATION 
  ql/src/test/results/clientnegative/exchange_partition_neg_partial_match1.q.out PRE-CREATION

  ql/src/test/results/clientnegative/exchange_partition_neg_partial_match2.q.out PRE-CREATION

  ql/src/test/results/clientnegative/exchange_partition_neg_partial_match3.q.out PRE-CREATION

  ql/src/test/results/clientpositive/exchange_partition_partial_match1.q.out PRE-CREATION

  ql/src/test/results/clientpositive/exchange_partition_partial_match2.q.out PRE-CREATION

  ql/src/test/results/clientpositive/exchange_partition_partial_match3.q.out PRE-CREATION

  ql/src/test/results/clientpositive/exchange_partition_partial_match4.q.out PRE-CREATION


Diff: https://reviews.apache.org/r/19865/diff/


Testing
-------


Thanks,

Navis Ryu


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