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Posted to issues@arrow.apache.org by "Evan Chan (Jira)" <ji...@apache.org> on 2020/10/17 00:40:00 UTC

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

Evan Chan created ARROW-10330:
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             Summary: [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
             Fix For: 2.0.0


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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