You are viewing a plain text version of this content. The canonical link for it is here.

Posted to jira@arrow.apache.org by "Ben Kietzman (Jira)" <ji...@apache.org> on 2020/12/17 18:45:00 UTC

[jira] [Assigned] (ARROW-9697) [C++][Dataset] num_rows method for Dataset/Scanner

     [ https://issues.apache.org/jira/browse/ARROW-9697?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ben Kietzman reassigned ARROW-9697:
-----------------------------------

    Assignee: Weston Pace

> [C++][Dataset] num_rows method for Dataset/Scanner
> --------------------------------------------------
>
>                 Key: ARROW-9697
>                 URL: https://issues.apache.org/jira/browse/ARROW-9697
>             Project: Apache Arrow
>          Issue Type: New Feature
>          Components: C++
>            Reporter: Neal Richardson
>            Assignee: Weston Pace
>            Priority: Major
>              Labels: dataset
>             Fix For: 3.0.0
>
>
> Something like Scanner::ToTable except first Project to keep 0 columns, and for each record batch, grab the num_rows. Then sum the resulting vector.



--
This message was sent by Atlassian Jira
(v8.3.4#803005)