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https://issues.apache.org/jira/browse/HIVE-1609?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ajay Kidave updated HIVE-1609:
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Attachment: hive_1609_2.patch
Thanks for the review Carl. Javacc is already used in the hive serde code, so
it is not a completely new dependency for hive. Javacc has issues with
generating proper errors for multi-line inputs, since we are using it for a
small filter string only, this issue should not be seen. The build approach is
same as taken in serde, i.e the code is regenerated only if javacc.home is
defined.
Regarding throwing Unknown[DB|Table]Exception, it would require an extra
database call to first check whether the database is valid. So I have changed
it to throw a NoSuchObjectException saying db.table does not exist if the
getMTable operation fails.
I have attached a patch which addresses the other issues.
> Support partition filtering in metastore
> ----------------------------------------
>
> Key: HIVE-1609
> URL: https://issues.apache.org/jira/browse/HIVE-1609
> Project: Hadoop Hive
> Issue Type: New Feature
> Components: Metastore
> Reporter: Ajay Kidave
> Fix For: 0.7.0
>
> Attachments: hive_1609.patch, hive_1609_2.patch
>
>
> The metastore needs to have support for returning a list of partitions based
> on user specified filter conditions. This will be useful for tools which need
> to do partition pruning. Howl is one such use case. The way partition pruning
> is done during hive query execution need not be changed.
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