[jira] [Assigned] (ARROW-10330) [Rust][Datafusion] Implement nullif() function for DataFusion

["Andy Grove (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARROW-10330?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andy Grove reassigned ARROW-10330:
----------------------------------

    Assignee: Evan Chan

> [Rust][Datafusion] Implement nullif() function for DataFusion
> -------------------------------------------------------------
>
>                 Key: ARROW-10330
>                 URL: https://issues.apache.org/jira/browse/ARROW-10330
>             Project: Apache Arrow
>          Issue Type: New Feature
>          Components: Rust - DataFusion
>            Reporter: Evan Chan
>            Assignee: Evan Chan
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 3.0.0
>
>          Time Spent: 9h 20m
>  Remaining Estimate: 0h
>
> Here is the common definition of NULLIF() function:
> [https://www.w3schools.com/sql/func_sqlserver_nullif.asp]
>  
> Among other uses, it is used to protect denominators from divide by 0 errors.
> We have implemented it at UrbanLogiq and would like to contribute this back.



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