[ 
https://issues.apache.org/jira/browse/ARROW-11749?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Antoine Pitrou updated ARROW-11749:
-----------------------------------
    Fix Version/s: 8.0.0
                       (was: 7.0.0)

> [C++][Dataset] Support projections between children of UnionDatasets
> --------------------------------------------------------------------
>
>                 Key: ARROW-11749
>                 URL: https://issues.apache.org/jira/browse/ARROW-11749
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++
>    Affects Versions: 3.0.0
>            Reporter: Ben Kietzman
>            Assignee: Ben Kietzman
>            Priority: Major
>              Labels: dataset
>             Fix For: 8.0.0
>
>
> ARROW-11174 adds support for arbitrary expressions in projection. It'd be 
> useful to have that power when unifying disparate child datasets. For 
> example, even the simple case where a column is renamed in a newer data file 
> currently cannot be accommodated.



--
This message was sent by Atlassian Jira
(v8.20.1#820001)

Reply via email to