# 资产所在竖井 ## 前置条件 1. 资产有绑定的设备或部件 2. 绑定的设备或部件有所在竖井关系 ## 依赖函数 Eq2Sh ## 计算流程 根据 资产 --> 设备/部件 --> 竖井 的间接关系, 来获取资产所在竖井的关系 ## 函数
源码 ``` -- 资产所在竖井 create or replace function public.rel_pe2sh(project_id character varying) returns boolean as $$ try: # 将下面对数据库的操作作为一个事务, 出异常则自动rollback with plpy.subtransaction(): delete_plan = plpy.prepare("delete from r_pe_in_sh where project_id = $1 and sign = 2", ["text"]) delete_plan.execute([project_id]) plan = plpy.prepare("insert into r_pe_in_sh(equip_id, shaft_id, project_id, sign) select pe.id, rel.shaft_id, rel.project_id, 2 from property pe inner join r_eq_in_sh rel on pe.equip_id = rel.equip_id where pe.project_id = $1 and rel.project_id = $1", ["text"]) plan.execute([project_id]) except Exception as e: plpy.warning(e) return False else: return True $$ LANGUAGE 'plpython3u' VOLATILE; select public.rel_pe2sh('Pj1101010015'); ```
## 入参 1. 项目id ## 例子 select public.rel_pe2sh('Pj1101010015');