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Posted to jira@arrow.apache.org by "Andy Grove (Jira)" <ji...@apache.org> on 2020/12/23 20:10:00 UTC
[jira] [Assigned] (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 reassigned ARROW-6697:
---------------------------------
Assignee: Andy Grove
> [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
>
> 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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