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https://issues.apache.org/jira/browse/CALCITE-1794?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17498665#comment-17498665
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xiong duan commented on CALCITE-1794:
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[~julianhyde] Sorry to disturb you. Looking forward to receiving your comments
about this.
> Simplify AND numeric comparisons when overlapping
> -------------------------------------------------
>
> Key: CALCITE-1794
> URL: https://issues.apache.org/jira/browse/CALCITE-1794
> Project: Calcite
> Issue Type: Improvement
> Components: core
> Affects Versions: 1.29.0
> Reporter: Remus Rusanu
> Assignee: xiong duan
> Priority: Major
> Labels: pull-request-available
> Time Spent: 20m
> Remaining Estimate: 0h
>
> Expressions such as {{$1<>1 and $1=2}} can be simplified to {{$1=2}}. Similar
> {{$1>10 AND $1>20}} can be simplified to {{$1>20}}. Such expressions are
> produced by the proposed solution for CALCITE-1790 (simplify boolean CASE to
> complex AND/OR).
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