CAD库中统计PBN运行航路条数和总距离

select ‘PBN运行航路‘ 类型, fb.b 总条数, fa.a 总距离 from
                (
                select sum(s)  a  from (
                            select distinct f4.airway_point1,f4.airway_point2, f4.kilometer_distance S  from airway f1, airway_segment_point f2,airway_segment_point f3, segment f4
                            where
                            f1.chart_type_id=3 and
                            f1.airway_id =f2.airway_id and
                            f1.airway_id =f3.airway_id and
                            f2.airway_seq=f3.airway_seq-1 and
                            (
                            (f2.airway_point_id =f4.airway_point1 and f3.airway_point_id =f4.airway_point2) or
                            (f2.airway_point_id =f4.airway_point2 and f3.airway_point_id =f4.airway_point1)
                            ) and f1.airway_rnp is not null
                            )  tm
                )  fa
                left join
                (select  count(*) b from airway where airway_rnp is not null and chart_type_id=3 )   fb
                on 1=1

纯PBN代号航路

select ‘PBN代号航路‘ 类型, fb.b 总条数, fa.a 总距离 from
                (
                select sum(s)  a  from (
                            select distinct f4.airway_point1,f4.airway_point2, f4.kilometer_distance S  from airway f1, airway_segment_point f2,airway_segment_point f3, segment f4
                            where
                            f1.chart_type_id=3 and
                            f1.airway_id =f2.airway_id and
                            f1.airway_id =f3.airway_id and
                            f2.airway_seq=f3.airway_seq-1 and
                            (
                            (f2.airway_point_id =f4.airway_point1 and f3.airway_point_id =f4.airway_point2) or
                            (f2.airway_point_id =f4.airway_point2 and f3.airway_point_id =f4.airway_point1)
                            ) and f1.airway_type_id in (2,5,8)
                            )  tm
                )  fa
                left join
                (select  count(*) b from airway where airway_type_id in (2,5,8) and chart_type_id=3 )   fb
                on 1=1
               

CAD库中统计PBN运行航路条数和总距离

原文：http://www.cnblogs.com/mol1995/p/7509326.html