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Posted to jira@arrow.apache.org by "Jörn Horstmann (Jira)" <ji...@apache.org> on 2020/09/16 10:03:00 UTC

[jira] [Assigned] (ARROW-10016) [Rust] [DataFusion] Implement IsNull and IsNotNull

     [ https://issues.apache.org/jira/browse/ARROW-10016?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jörn Horstmann reassigned ARROW-10016:
--------------------------------------

    Assignee: Jörn Horstmann

> [Rust] [DataFusion] Implement IsNull and IsNotNull
> --------------------------------------------------
>
>                 Key: ARROW-10016
>                 URL: https://issues.apache.org/jira/browse/ARROW-10016
>             Project: Apache Arrow
>          Issue Type: New Feature
>          Components: Rust, Rust - DataFusion
>            Reporter: Jorge
>            Assignee: Jörn Horstmann
>            Priority: Major
>
> Currently, DataFusion has the logical operator `isNull` and `IsNotNull`, but that operator has no physical implementation. Consequently, this operator cannot be used.
> The goal of this improvement is to add support to this operator on the physical plan.
> Note that these operators only care about the null bitmap, and thus should be implementable to all types supported by Arrow.
> Both operators should probably return a non-null `BooleanArray`.



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