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Posted to jira@arrow.apache.org by "Wes McKinney (Jira)" <ji...@apache.org> on 2021/02/19 20:41:00 UTC

[jira] [Commented] (ARROW-1489) [C++] Add casting option to set unsafe casts to null rather than some garbage value

    [ https://issues.apache.org/jira/browse/ARROW-1489?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17287354#comment-17287354 ] 

Wes McKinney commented on ARROW-1489:
-------------------------------------

Right, we might start with just the string-to-float "problem" — it probably just means generating some array functions (with new names -- e.g. more specifically, like "string_to_double") that do the errors-as-null behavior. 

> [C++] Add casting option to set unsafe casts to null rather than some garbage value
> -----------------------------------------------------------------------------------
>
>                 Key: ARROW-1489
>                 URL: https://issues.apache.org/jira/browse/ARROW-1489
>             Project: Apache Arrow
>          Issue Type: New Feature
>          Components: C++
>            Reporter: Wes McKinney
>            Priority: Major
>
> Null is the obvious choice when certain casts fail, like string to number, but in other kinds of unsafe casts there may be more ambiguity. 



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