# coding: utf-8
from sqlalchemy import Column, DateTime, Integer, text
from sqlalchemy.dialects.mysql import VARCHAR
from sqlalchemy.ext.declarative import declarative_base

Base = declarative_base()
metadata = Base.metadata


class DevicesPlace(Base):
    __tablename__ = 'devices_place'
    __table_args__ = {'comment': '设备：地址表'}

    id = Column(Integer, primary_key=True)
    mid = Column(VARCHAR(10), nullable=False, index=True, comment='设备管理ID')
    customer_account = Column(VARCHAR(12), nullable=False, index=True, comment='甲方')
    region_id = Column(Integer, nullable=False, server_default=text("'0'"), comment='区域id')
    building_id = Column(Integer, nullable=False, server_default=text("'0'"), comment='所在楼（建筑）的id，0为待定')
    floor = Column(Integer, nullable=False, server_default=text("'0'"), comment='楼层，0为待定，可为负数')
    place = Column(VARCHAR(50), comment='位置（通常是房间号）')
    ctime = Column(DateTime, nullable=False, index=True, server_default=text("CURRENT_TIMESTAMP"), comment='记录创建时间')
    utime = Column(DateTime, nullable=False, index=True, server_default=text("CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP"), comment='记录更新时间')