[jira] [Commented] (HIVE-12158) Add methods to HCatClient for partition synchronization

["Mithun Radhakrishnan (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-12158?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15198449#comment-15198449 ] 

Mithun Radhakrishnan commented on HIVE-12158:
---------------------------------------------

[~sushanth], [~nahguam], sorry for the delay.

I agree with the spirit of this patch. Thank you for working on this. (I just came across a user who needed this as well.)

Please change HCatClientHMSImpl.java::Line#537 to compare table-name instead of db-name. I'll take a closer look at your tests. (Tests! Thank you!)

> Add methods to HCatClient for partition synchronization
> -------------------------------------------------------
>
>                 Key: HIVE-12158
>                 URL: https://issues.apache.org/jira/browse/HIVE-12158
>             Project: Hive
>          Issue Type: Improvement
>          Components: HCatalog
>    Affects Versions: 2.0.0
>            Reporter: David Maughan
>            Assignee: David Maughan
>            Priority: Minor
>              Labels: hcatalog
>         Attachments: HIVE-12158.1.patch
>
>
> We have a use case where we have a list of partitions that are created as a result of a batch job (new or updated) outside of Hive and would like to synchronize them with the Hive MetaStore. We would like to use the HCatalog {{HCatClient}} but it currently does not seem to support this. However it is possible with the {{HiveMetaStoreClient}} directly. I am proposing to add the following method to {{HCatClient}} and {{HCatClientHMSImpl}}:
> A method for altering partitions. The implementation would delegate to {{HiveMetaStoreClient#alter_partitions}}. I've used "update" instead of "alter" in the name so it's consistent with the {{HCatClient#updateTableSchema}} method.
> {code}
> public void updatePartitions(List<HCatPartition> partitions) throws HCatException
> {code}



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