Eq2Bd.md 456 B

设备所在建筑

前置条件

设备已经绑定楼层

FROM equipment WHERE project_id='Pj1101010015' AND floor_id is not null

处理方式

从绑定的楼层里取建筑ID, 将建筑ID填入设备ID(建筑ID为空,则设备的建筑ID也为空)。

实现方式

SQL

UPDATE equipment SET building_id = (SELECT build_id FROM "floor" WHERE id = equipment.floor_id) WHERE project_id='Pj1101010015' AND floor_id is not null