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Posted to jira@arrow.apache.org by "Andy Grove (Jira)" <ji...@apache.org> on 2020/12/24 18:04:00 UTC

[jira] [Closed] (ARROW-6697) [Rust] [DataFusion] Validate that all parquet partitions have the same schema

     [ https://issues.apache.org/jira/browse/ARROW-6697?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andy Grove closed ARROW-6697.
-----------------------------
    Resolution: Fixed

> [Rust] [DataFusion] Validate that all parquet partitions have the same schema
> -----------------------------------------------------------------------------
>
>                 Key: ARROW-6697
>                 URL: https://issues.apache.org/jira/browse/ARROW-6697
>             Project: Apache Arrow
>          Issue Type: New Feature
>          Components: Rust, Rust - DataFusion
>            Reporter: Andy Grove
>            Assignee: Andy Grove
>            Priority: Major
>             Fix For: 3.0.0
>
>
> When reading a partitioned Parquet file in DataFusion, the schema is read from the first partition and it is assumed that all other partitions have the same schema.
> It would be better to actually validate that all of the partitions have the same schema since there is no support for schema merging yet.



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