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https://issues.apache.org/jira/browse/HIVE-17320?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eugene Koifman reassigned HIVE-17320:
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> 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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