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From "Carl Steinbach" <c...@cloudera.com>
Subject Re: Review Request: HIVE-3056: Ability to bulk update location field in Db/Table/Partition records
Date Sun, 26 Aug 2012 03:53:58 GMT


> On Aug. 22, 2012, 10:51 a.m., namit jain wrote:
> > metastore/src/java/org/apache/hadoop/hive/metastore/ObjectStore.java, line 3903
> > <https://reviews.apache.org/r/6650/diff/2/?file=143762#file143762line3903>
> >
> >     Is this a good idea ?
> >     
> >     Adding some API's in ObjectStore that are not to be exposed by thrift, and assumes
a JDO.

Seems like a good idea to me. ObjectStore became JDO specific a long time ago. Also, it's
important to remember that ObjectStore is just one possible implementation of the RawStore
interface. We could also have (and once did have) a FileStore, or a JPAStore, etc, etc, and
we don't want to expose these implementation details through a public API like the Thrift
interface.


- Carl


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https://reviews.apache.org/r/6650/#review10616
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On Aug. 25, 2012, 9 p.m., Shreepadma Venugopalan wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/6650/
> -----------------------------------------------------------
> 
> (Updated Aug. 25, 2012, 9 p.m.)
> 
> 
> Review request for hive and Carl Steinbach.
> 
> 
> Description
> -------
> 
> This patch implement hive metatool which,
> 
> * lets admins perform a HA upgrade by patching the location of the NN in Hive's metastore
> * allows JDOQL to be executed against the metastore.
> 
> 
> This addresses bug HIVE-3056.
>     https://issues.apache.org/jira/browse/HIVE-3056
> 
> 
> Diffs
> -----
> 
>   bin/ext/metatool.sh PRE-CREATION 
>   bin/metatool PRE-CREATION 
>   build.xml 6712af9 
>   conf/hive-default.xml.template cc1565f 
>   eclipse-templates/TestHiveMetaTool.launchtemplate PRE-CREATION 
>   metastore/ivy.xml 3011d2f 
>   metastore/src/java/org/apache/hadoop/hive/metastore/ObjectStore.java 045b550 
>   metastore/src/java/org/apache/hadoop/hive/metastore/tools/HiveMetaTool.java PRE-CREATION

>   metastore/src/test/org/apache/hadoop/hive/metastore/TestHiveMetaTool.java PRE-CREATION

> 
> Diff: https://reviews.apache.org/r/6650/diff/
> 
> 
> Testing
> -------
> 
> A new JUnit test - TestHiveMetaTool - has been added to test the various metatool options.
> 
> 
> Thanks,
> 
> Shreepadma Venugopalan
> 
>


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