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

class SysNdstand(Base):
    """
    数据标准表 
    """
    __tablename__ = 'sys_ndstand'

    onum = Column(Integer, primary_key=True, autoincrement=True, comment='序号')
    data_std_no = Column(String(50), nullable=False, comment='数据标准编号')
    data_std_cn_name = Column(String(50), nullable=False, comment='数据标准中文名')
    data_std_eng_name = Column(String(50), nullable=False, comment='数据标准英文')
    belt_scop = Column(String(50), nullable=False, comment='所属范围')
    busi_defn = Column(String(50), nullable=False, comment='业务定义')
    data_std_schm = Column(String(50), nullable=False, comment='数据标准主题')
    std_pri_clas = Column(String(50), nullable=False, comment='标准一级分类')
    std_scd_clas = Column(String(50), nullable=False, comment='标准二级分类')
    std_thre_clas = Column(String(50), nullable=False, comment='标准三级分类')
    data_sec_fifd = Column(String(50), nullable=False, comment='数据安全分级')
    data_clas = Column(String(50), nullable=False, comment='数据类别')
    val_scop = Column(String(50), nullable=False, comment='取值范围')
    fddict_col_no = Column(String(50), nullable=False, comment='代码编号')
    status = Column(String(1), nullable=False, default='0', comment='状态（0正常 1停用）')
    create_by = Column(String(64), default='', comment='创建者')
    create_time = Column(DateTime, nullable=True, default=datetime.now(), comment='创建时间')
    update_by = Column(String(64), default='', comment='更新者')
    update_time = Column(DateTime, nullable=True, default=datetime.now(), comment='更新时间')
    remark = Column(String(500), nullable=True, default='', comment='备注')