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https://issues.apache.org/jira/browse/HIVE-3584?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Navis updated HIVE-3584:
------------------------
Status: Open (was: Patch Available)
1. Queries converted to single FetchTask are not handling empty tables
properly.
2. Equal operator should win all other compares.
I'll fix that.
> Merging compare predicates
> --------------------------
>
> Key: HIVE-3584
> URL: https://issues.apache.org/jira/browse/HIVE-3584
> Project: Hive
> Issue Type: Improvement
> Components: Query Processor
> Reporter: Navis
> Assignee: Navis
> Priority: Trivial
> Attachments: HIVE-3584.D6069.1.patch
>
>
> Some compare predicates, for example 'a>10 AND a>20' can be merged into 'a>20'
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