[jira] [Resolved] (CALCITE-4420) Some simple arithmetic operations can be simplified

["Liya Fan (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CALCITE-4420?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Liya Fan resolved CALCITE-4420.
-------------------------------
    Resolution: Fixed

Resolved in https://github.com/apache/calcite/pull/2282

> Some simple arithmetic operations can be simplified
> ---------------------------------------------------
>
>                 Key: CALCITE-4420
>                 URL: https://issues.apache.org/jira/browse/CALCITE-4420
>             Project: Calcite
>          Issue Type: Improvement
>          Components: core
>            Reporter: Liya Fan
>            Assignee: Liya Fan
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 3h 20m
>  Remaining Estimate: 0h
>
> Some simple arithmetic operations can be simplified, for example:
> a + 0 = a
> a - 0 = a
> a * 1 = a
> a / 1 = a
> In our product, we found such scenarios are fairly frequently encountered. For example, some SQL programmers use a * 1.0 as a convenient way to cast {{a}} to floating point type. 



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