service_id,monday,tuesday,wednesday,thursday,friday,saturday,sunday,start_date,end_date
cal_MoTuWeFrSaSu,1,1,1,0,1,1,1,20190401,20200401
cal_MoTuWeThFrSa,1,1,1,1,1,1,0,20190401,20200401
cal_MoTuWeThFrSaSu,1,1,1,1,1,1,1,20190401,20200401
cal_MoTuWeThFrSu,1,1,1,1,1,0,1,20190401,20200401
