num_repair_orders = dj.create_metric(
    name=f"{namespace}.num_repair_orders",
    display_name="Num Repair Orders",
    description="""Number of repair orders""",
    mode="published",
    required_dimensions=[],
    tags=[],
    query=f"""SELECT  count(repair_order_id)
 FROM {namespace}.repair_orders_fact""",
    direction=MetricDirection.HIGHER_IS_BETTER,
    unit=MetricUnit.DOLLAR,
    update_if_exists=True,
)
