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系统所在建筑完成

jxing 5 年之前
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06c6e8f410
共有 2 个文件被更改,包括 45 次插入5 次删除
  1. 0 5
      datacenter/docs/relation_calc/Sp2Fl.md
  2. 45 0
      datacenter/docs/relation_calc/Sy2Bd.md

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datacenter/docs/relation_calc/Sp2Fl.md

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-空间所在楼层
-
-参见设备所在楼层的算法。
-
-需要一个空间相交不为空算法。

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datacenter/docs/relation_calc/Sy2Bd.md

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+系统所在建筑
+## 前置条件
+    1. 系统下有设备
+    2. 系统下的设备有所属建筑的关系
+## 计算流程
+    1. 通过 系统 --> 设备 --> 建筑 的间接关系, 获取系统所在建筑的关系
+    
+## 函数
+~~~
+-- 系统所在建筑
+create or replace function public.rel_sy2bd(project_id character varying) returns boolean
+as
+$$
+try:
+    # 将下面对数据库的操作作为一个事务, 出异常则自动rollback
+    with plpy.subtransaction():
+        delete_plan = plpy.prepare("delete from r_sy_in_bd where project_id = $1 and sign = 2", ["text"])
+        delete_plan.execute([project_id])
+        join_plan = plpy.prepare("select sy.sys_id, eq.building_id from r_sy_eq sy inner join equipment eq on sy.equip_id = eq.id where eq.project_id = $1 and sy.project_id = $1", ["text"])
+        rel = join_plan.execute([project_id])
+        sy2bd = dict()
+        for row in rel:
+            sys = row['sys_id']
+            building = row['building_id']
+            if sys not in sy2bd:
+                sy2bd[sys] = set()
+            sys_set = sy2bd[sys]
+            sys_set.add(building)
+        for sid, sys_set in sy2bd.items():
+            for building in sys_set:
+                plan = plpy.prepare("insert into r_sy_in_bd(sys_id, building_id, project_id, sign) values($1, $2, $3, 2)", ["text", "text", "text"])
+                plan.execute([sid, building, project_id])
+except Exception as e:
+    plpy.warning(e)
+    return False
+else:
+    return True
+$$
+LANGUAGE 'plpython3u' VOLATILE;
+~~~
+
+## 入参
+    1. 项目id
+## 例子
+    select public.rel_sy2bd('Pj1101010015');