Eugene Koifman created HIVE-17320:
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Summary: 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
Fix For: 3.0.0
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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