from sqlalchemy import Column, Integer, String, DateTime
from config.database import Base
from datetime import datetime


class SysDscatalog(Base):
    """
    数据标准管理表
    """
    __tablename__ = 'sys_dscatalog'

    dscatalog_id = Column(Integer, primary_key=True, autoincrement=True, comment='数据标准ID')
    dscatalog_parent_id = Column(Integer, default=0, comment='父标准ID')
    dscatalog_ancestors = Column(String(50), nullable=True, default='', comment='祖级列表')
    dscatalog_name = Column(String(30), nullable=True, default='', comment='数据标准名称')
    dscatalog_remark = Column(String(225), nullable=True, default='', comment='数据标准说明') 
    dscatalog_order_num = Column(Integer, default=0, comment='排序编号')
    status = Column(String(1), nullable=True, default=0, comment='标准状态（0正常 1停用）')
    del_flag = Column(String(1), nullable=True, default=0, comment='删除标志（0代表存在 2代表删除）')
    dscatalog_area = Column(String(50), nullable=True, default='', comment='标准层级')
    create_by = Column(String(64), nullable=True, default='', comment='创建者')
    create_time = Column(DateTime, nullable=True, default=datetime.now(), comment='创建时间')
    update_by = Column(String(64), nullable=True, default='', comment='更新者')
    update_time = Column(DateTime, nullable=True, default=datetime.now(), comment='更新时间')