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https://issues.apache.org/jira/browse/IMPALA-4958?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tim Armstrong resolved IMPALA-4958.
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Resolution: Later
> Simplify binary predicates in the FE
> ------------------------------------
>
> Key: IMPALA-4958
> URL: https://issues.apache.org/jira/browse/IMPALA-4958
> Project: IMPALA
> Issue Type: Improvement
> Components: Frontend
> Affects Versions: Impala 2.9.0
> Reporter: Lars Volker
> Priority: Major
> Labels: ramp-up
>
> The frontend currently allows redundant expressions like {{a < 5 and a < 3}}.
> We should simplify these. We should also find contradictions like {{a < 3 and
> a > 5}} reduce them to {{FALSE}}.
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