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Posted to issues@arrow.apache.org by "Kouhei Sutou (Jira)" <ji...@apache.org> on 2020/05/23 22:12:00 UTC

[jira] [Updated] (ARROW-8910) [Rust] [DataFusion] Add support for explicit casts between signed and unsigned ints

     [ https://issues.apache.org/jira/browse/ARROW-8910?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kouhei Sutou updated ARROW-8910:
--------------------------------
    Summary: [Rust] [DataFusion] Add support for explicit casts between signed and unsigned ints  (was: [Rus5t] [DataFusion] Add support for explicit casts between signed and unsigned ints)

> [Rust] [DataFusion] Add support for explicit casts between signed and unsigned ints
> -----------------------------------------------------------------------------------
>
>                 Key: ARROW-8910
>                 URL: https://issues.apache.org/jira/browse/ARROW-8910
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: Rust, Rust - DataFusion
>            Reporter: Andy Grove
>            Priority: Major
>             Fix For: 1.0.0
>
>
> Add support for explicit casts between signed and unsigned ints.
> Note that the type coercion optimizer rule shoud never implicity perform casts between types when data would be lost e.g. from negative value to unsigned type.



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