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Posted to jira@arrow.apache.org by "QP Hou (Jira)" <ji...@apache.org> on 2021/02/20 20:06:00 UTC

[jira] [Commented] (ARROW-11017) [Rust] [DataFusion] Add support for Parquet schema merging

    [ https://issues.apache.org/jira/browse/ARROW-11017?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17287787#comment-17287787 ] 

QP Hou commented on ARROW-11017:
--------------------------------

The Schema struct does have a try_merge method defined, should we just reuse that one?

> [Rust] [DataFusion] Add support for Parquet schema merging 
> -----------------------------------------------------------
>
>                 Key: ARROW-11017
>                 URL: https://issues.apache.org/jira/browse/ARROW-11017
>             Project: Apache Arrow
>          Issue Type: New Feature
>          Components: Rust - DataFusion
>            Reporter: Andy Grove
>            Priority: Major
>
> Add support for Parquet schema merging so that we can read data sets where some files have additional columns.



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