Vineet Garg updated HIVE-17320:
    Fix Version/s:     (was: 3.0.0)

Deferring this to 3.1.0 since the branch for 3.0.0 has been cut off. Please 
update the JIRA if you would like to get your patch in 3.0.0.

> OrcRawRecordMerger.discoverKeyBounds logic can be simplified
> ------------------------------------------------------------
>                 Key: HIVE-17320
>                 URL: https://issues.apache.org/jira/browse/HIVE-17320
>             Project: Hive
>          Issue Type: Improvement
>          Components: Transactions
>            Reporter: Eugene Koifman
>            Assignee: Eugene Koifman
>            Priority: Major
>             Fix For: 3.1.0
> with HIVE-17089 we never have any insert events in the deltas
> so if for every split of the base we know min/max key, we can use them to 
> filter delete events since all files are sorted by RecordIdentifier
> So we should be able to create SARG for all delete deltas
> the code can be simplified since now min/max key doesn't ever have to be null

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