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Arbalister not working with .parquet containing uppercase column names #65
When a parquet file has columns with uppercase names, routes.py give error.
This is caused by the extension considering all the columns lowercase (even if they are not), so Datafusion answers with "column_example" not found.
changed the title [-]Arbalister not working with .parquet uppercare column names[/-][+]Arbalister not working with .parquet containing uppercase column names[/+]on Sep 9, 2026
HI @AntoinePrv , despite update (0.2.2) the error is still present:
Error
Exception: DataFusion error: Schema error: No field named blpartnr. Valid fields are "?table?"."BLPARTNR", "?table?"."BLMDTSL", "?table?"."BLUNTDAT".......
DataFusion is expecting always column names in lower case, while the file has upper case column names.
Thank you
When a parquet file has columns with uppercase names, routes.py give error.
This is caused by the extension considering all the columns lowercase (even if they are not), so Datafusion answers with "column_example" not found.