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https://issues.apache.org/jira/browse/HIVE-2135?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ashutosh Chauhan updated HIVE-2135:
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Attachment: hive_2135.patch
Objectstore, Metastore, Command, execution, retrials are distinct concepts
which I think are too entwined in current implementation. It would be good to
disentangle them from each other to make code more modular. I think its better
to have a separate Command interface which different types of Command will
implement. execute() should really be a part of Rawstore interface since
different Objectstore can have different strategies for executing a command and
may have different ways of doing retrials. Metastore should prepare a Command
and call execute() on Rawstore to execute it. I am attaching an illustrative
patch which sketches these ideas for create database command. Let me know if it
makes sense.
> Refactor HiveMetaStore.java
> ---------------------------
>
> Key: HIVE-2135
> URL: https://issues.apache.org/jira/browse/HIVE-2135
> Project: Hive
> Issue Type: Improvement
> Components: Metastore
> Reporter: Ashutosh Chauhan
> Assignee: Ashutosh Chauhan
> Fix For: 0.8.0
>
> Attachments: hive_2135.patch, refactor.patch
>
>
> HiveMetaStore.java is more then 3000 LOC which contains wide variety of code.
> It will be good to refactor it so that its easier to maintain.
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