Sushanth Sowmyan updated HIVE-9674:
    Attachment: HIVE-9674.5.patch

> *DropPartitionEvent should handle partition-sets.
> -------------------------------------------------
>                 Key: HIVE-9674
>                 URL: https://issues.apache.org/jira/browse/HIVE-9674
>             Project: Hive
>          Issue Type: Bug
>          Components: Metastore
>    Affects Versions: 0.14.0
>            Reporter: Mithun Radhakrishnan
>            Assignee: Mithun Radhakrishnan
>         Attachments: HIVE-9674.2.patch, HIVE-9674.3.patch, HIVE-9674.4.patch, 
> HIVE-9674.5.patch
> Dropping a set of N partitions from a table currently results in N 
> DropPartitionEvents (and N PreDropPartitionEvents) being fired serially. This 
> is wasteful, especially so for large N. It also makes it impossible to even 
> try to run authorization-checks on all partitions in a batch.
> Taking the cue from HIVE-9609, we should compose an {{Iterable<Partition>}} 
> in the event, and expose them via an {{Iterator}}.

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