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Posted to jira@arrow.apache.org by "Antoine Pitrou (Jira)" <ji...@apache.org> on 2021/11/23 17:08:00 UTC

[jira] [Closed] (ARROW-9049) [C++] Add a Result<> returning method for for constructing a dictionary

     [ https://issues.apache.org/jira/browse/ARROW-9049?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Antoine Pitrou closed ARROW-9049.
---------------------------------
    Resolution: Duplicate

This was done in ARROW-7592.

> [C++] Add a Result<> returning method for for constructing a dictionary
> -----------------------------------------------------------------------
>
>                 Key: ARROW-9049
>                 URL: https://issues.apache.org/jira/browse/ARROW-9049
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: C++
>            Reporter: Micah Kornfield
>            Assignee: Micah Kornfield
>            Priority: Major
>
> Dictionary types require a signed integer index type.  Today there is a DCHECK that this is the case in the constructor.  
> When reading data from an unknown source it is possible due to corruption (or user error) that the dictionary index type is not signed. We should add a method that checks for signedness and use that at all system boundaries to validate input data.



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