def delete()

in courses/understanding_spanner/cloud-run/main.py [0:0]


    def delete(self):

        # This delete all the Owners and Pets
        # Uses Cascading Delete on interleaved Pets table
        def delete_owners(transaction):
            row_ct = transaction.execute_update(
            "DELETE FROM Owners WHERE true = true")

            return row_ct


        row_ct = database.run_in_transaction(delete_owners)
        return "{} record(s) deleted.".format(row_ct), 201