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+资产所在建筑
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+## 前置条件
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+ 1. 资产有绑定的设备或部件
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+ 2. 绑定的设备或部件有所在建筑
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+
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+## 计算流程
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+ 根据 资产 --> 设备/部件 --> 建筑 的间接关系, 来获取资产和建筑的所在关系
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+
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+## 函数
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+```
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+-- 资产属于建筑体
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+create or replace function public.rel_pe2bd(project_id character varying) returns boolean
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+as
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+$$
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+try:
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+ # 将下面对数据库的操作作为一个事务, 出异常则自动rollback
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+ with plpy.subtransaction():
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+ plan = plpy.prepare("update property as pe set building_id = eq.building_id from equipment eq where eq.id = pe.equip_id and pe.building_id is null and eq.building_id is not null and eq.project_id = $1 and pe.project_id = $1", ["text"])
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+ rel = plan.execute([project_id])
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+except Exception as e:
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+ plpy.warning(e)
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+ return False
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+else:
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+ return True
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+$$
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+LANGUAGE 'plpython3u' VOLATILE;
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+
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+
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+select public.rel_pe2bd('Pj1101010015');
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+```
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+
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+## 入参
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+ 1. 项目id
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+## 例子
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+ select public.rel_pe2bd('Pj1101010015');
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