for the custom-code approach, checkout: https://github.com/googleapis/python-bigquery-pandas

There are these settings https://cloud.google.com/bigquery/docs/writing-results , but I don’t think you’re talking about writing the results of a bigquery query back to bq. [ which also I don’t recall as existing options in the plugin — I haven’t looked at that recently - and if doesn’t exist, could be extended to include it ]

I know @famous-businessperson-24711 and team use that