a docx with a table with exact 1 column and 2 rows is created. The t.add_column(1) is ignored, but ...

I am asking for a feature request. During loading of a bigquery table from CSV data, I wish to add columns based on either a default answer or filename (from the csv) if we could add to ...

If you want to add a column from another table in Power BI, first add a column when there is a relationship between tables, then use Power Query.