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Posted to jira@arrow.apache.org by "Antoine Pitrou (Jira)" <ji...@apache.org> on 2022/06/09 08:34:00 UTC

[jira] [Updated] (ARROW-15747) [Python] Support C stream interface of single arrays

     [ https://issues.apache.org/jira/browse/ARROW-15747?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Antoine Pitrou updated ARROW-15747:
-----------------------------------
    Component/s: C++

> [Python] Support C stream interface of single arrays
> ----------------------------------------------------
>
>                 Key: ARROW-15747
>                 URL: https://issues.apache.org/jira/browse/ARROW-15747
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++, Python
>            Reporter: Jorge Leitão
>            Priority: Major
>
> It seems that the C stream interface in pyarrow currently requires the array to be a StructArray.
> I do not see this constraint in the spec (https://arrow.apache.org/docs/format/CStreamInterface.html).
> The error I get when I pass an Int32Array to it (declared on the schema):
> {code:java}
> Invalid: Cannot import schema: ArrowSchema describes non-struct type int32
> {code}
> It would be nice to support everything, like the C data interface.



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