mysql月份比較是否相等

 SELECT
       date_format(motor_arrange.arrange_date,'%Y-%m')
        FROM
        motor
        LEFT JOIN motor_arrange ON motor_arrange.motor_id = motor.motor_id
        LEFT JOIN motor_type ON motor.motor_type_id = motor_type.motor_type_id
        LEFT JOIN car_stype ON motor_type.car_stype_id = car_stype.car_stype_id
        LEFT JOIN area ON area.area_id = motor_arrange.area_id
        WHERE
        1 = 1
				and date_format(motor_arrange.arrange_date,'%Y-%m')='2020-08';