# 系统所在业务空间 ## 前置条件 1. 系统下有设备 2. 系统下的设备有所在业务空间关系 ## 依赖函数 Eq2Sp ## 处理逻辑 1. 根据 系统 --> 设备 --> 业务空间 的间接关系, 获取系统和业务空间的关系 2. 计算结果存储在r_sy_in_sp中 (先删除以前的自动计算结果) ## 函数
源码 ``` -- 系统所在楼层 create or replace function public.rel_sy2sp(project_id character varying) returns boolean as $$ CREATE OR REPLACE FUNCTION "public"."rel_sy2sp"("project_id" varchar) RETURNS "pg_catalog"."bool" AS $BODY$ try: input_tables = ['r_eq_in_sp_zone_air_conditioning', 'r_eq_in_sp_zone_clean', 'r_eq_in_sp_zone_domestic_water_supply', 'r_eq_in_sp_zone_fire', 'r_eq_in_sp_zone_function', 'r_eq_in_sp_zone_general', 'r_eq_in_sp_zone_heating', 'r_eq_in_sp_zone_lighting', 'r_eq_in_sp_zone_network', 'r_eq_in_sp_zone_power_supply', 'r_eq_in_sp_zone_security', 'r_eq_in_sp_zone_tenant'] input_tables = ['relationship.r_eq2sp'] output_tables = ['r_sy_in_sp_zone_air_conditioning', 'r_sy_in_sp_zone_clean', 'r_sy_in_sp_zone_domestic_water_supply', 'r_sy_in_sp_zone_fire', 'r_sy_in_sp_zone_function', 'r_sy_in_sp_zone_general', 'r_sy_in_sp_zone_heating', 'r_sy_in_sp_zone_lighting', 'r_sy_in_sp_zone_network', 'r_sy_in_sp_zone_power_supply', 'r_sy_in_sp_zone_security', 'r_sy_in_sp_zone_tenant'] output_tables = ['relationship.r_sy2sp'] # 将下面对数据库的操作作为一个事务, 出异常则自动rollback with plpy.subtransaction(): for i in range(len(output_tables)): delete_plan = plpy.prepare("delete from {0} where project_id = $1 and sign = 2 and type = 'sy2sp'".format(output_tables[i]), ["text"]) delete_plan.execute([project_id]) join_plan = plpy.prepare("select sy.sys_id, rel.sp_id space_id, zone_type from r_sy_eq sy inner join {0} rel on sy.equip_id = rel.eq_id where rel.project_id = $1 and sy.project_id = $1 and rel.type = 'eq2sp_in'".format(input_tables[i]), ["text"]) rel = join_plan.execute([project_id]) sy2sp = dict() zone_type_map = dict() for row in rel: sys = row['sys_id'] space = row['space_id'] space_zone = row['zone_type'] zone_type_map[space] = space_zone if sys not in sy2sp: sy2sp[sys] = set() space_set = sy2sp[sys] space_set.add(space) for sid, space_set in sy2sp.items(): for space in space_set: plan = plpy.prepare("insert into {0}(sy_id, sp_id, project_id, type, zone_type, sign) values($1, $2, $3, 'sy2sp', '{1}', 2)".format(output_tables[i], zone_type_map[space]), ["text", "text", "text"]) plan.execute([sid, space, project_id]) except Exception as e: plpy.warning(e) return False else: return True $BODY$ LANGUAGE plpython3u VOLATILE COST 100 ```
## 输入 1. 项目id ## 例子 select public.rel_sy2sp('Pj1101010015');