[ 
https://issues.apache.org/jira/browse/ARROW-843?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17657876#comment-17657876
 ] 

Rok Mihevc commented on ARROW-843:
----------------------------------

This issue has been migrated to [issue 
#16450|https://github.com/apache/arrow/issues/16450] on GitHub. Please see the 
[migration documentation|https://github.com/apache/arrow/issues/14542] for 
further details.

> [C++] Implement Schema unification, merging unequal but equivalent schemas
> --------------------------------------------------------------------------
>
>                 Key: ARROW-843
>                 URL: https://issues.apache.org/jira/browse/ARROW-843
>             Project: Apache Arrow
>          Issue Type: New Feature
>          Components: C++
>            Reporter: Wes McKinney
>            Assignee: Francois Saint-Jacques
>            Priority: Major
>              Labels: dataset, parquet, pull-request-available
>             Fix For: 0.16.0
>
>          Time Spent: 40m
>  Remaining Estimate: 0h
>
> Some Parquet datasets may contain schemas with mixed REQUIRED/OPTIONAL 
> repetition types. While such schemas aren't strictly equal, we will need to 
> consider them equivalent on the read path



--
This message was sent by Atlassian Jira
(v8.20.10#820010)

Reply via email to