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Posted to issues@calcite.apache.org by "xiong duan (Jira)" <ji...@apache.org> on 2022/03/02 11:06:00 UTC

[jira] [Updated] (CALCITE-1794) CAST operator prevent SARG to optimize "x <>2 and x = 1"

     [ https://issues.apache.org/jira/browse/CALCITE-1794?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

xiong duan updated CALCITE-1794:
--------------------------------
    Summary: CAST operator prevent SARG to optimize "x <>2 and x = 1"  (was: Simplify AND numeric comparisons when overlapping)

> CAST operator prevent SARG to optimize "x <>2 and x = 1"
> --------------------------------------------------------
>
>                 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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