If your database supports , you can diff tables from a particular point in time by specifying prod_time_travel for a production model and pr_time_travel for a PR model. 
models:
  - name: users
    meta:
      datafold:
        datadiff:
          prod_time_travel:
            - 2022-02-07T00:00:00
          pr_time_travel:
            - 2022-02-07T00:00:00