Tory Haavik

there's nothing stopping us from implementing this, right? https://cloud.google.com/bigquery/docs/reference/standard-sql/date_functions#date_diff, https://cloud.google.com/bigquery/docs/reference/standard-sql/datetime_functions#datetime_diff, and https://cloud.google.com/bigquery/docs/reference/standard-sql/timestamp_functions#timestamp_diff