tustvold commented on PR #6458: URL: https://github.com/apache/arrow-datafusion/pull/6458#issuecomment-1568513150
> do you have some idea about how this feature would be used The use-case is where you have one or more parquet files, with different schema. You can provide a file_schema to FileScanConfig (or to ListingTableConfig) and have underlying data coerced to that schema on read. An example might be if a column has changed from a `StringArray` to `DictionaryArray` or vice-versa -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
