Updates the SqlDataset.__dataframe__ method to support introspecting column schema info without evaluating the underlying SQL query. Combined with Altair dev, this will make it possible to pass SqlDataset instances into Altair for column type inference without triggering the SQL query.
Updates the
SqlDataset.__dataframe__method to support introspecting column schema info without evaluating the underlying SQL query. Combined with Altair dev, this will make it possible to pass SqlDataset instances into Altair for column type inference without triggering the SQL query.Heavily inspired by https://github.com/ibis-project/ibis/pull/6733