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From "Sushanth Sowmyan (JIRA)" <>
Subject [jira] [Commented] (HIVE-12158) Add methods to HCatClient for partition synchronization
Date Wed, 10 Feb 2016 18:03:18 GMT


Sushanth Sowmyan commented on HIVE-12158:


The patch looks reasonable at the face of it. I'll be able to review this in detail by this
weekend to get back to you.

In the meanwhile, [~mithun], do you want to look at/review this patch?

> Add methods to HCatClient for partition synchronization
> -------------------------------------------------------
>                 Key: HIVE-12158
>                 URL:
>             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}}
> {code}
> public void updatePartitions(List<HCatPartition> partitions) throws HCatException
> {code}

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