from sqlalchemy import Column, BigInteger, Integer, String, Numeric, TinyInteger, DateTime
from sqlalchemy.orm import declarative_base
from datetime import datetime
from util.database import Base,engine
# 成绩、删除状态(0：已删除,1：初始值)、作成时间、更新时间
class WlScore(Base):
    __tablename__ = 'Assessment grade'
    stu_id = Column( Integer
                    ,primary_key=True
                    ,autoincrement=True
                    ,comment='学生编号，自增主键')
    exam_order = Column(Integer
                        , nullable=False
                        , comment="考核序次")

    score=Column(Numeric(5, 2)
                 , comment="成绩")

    del_flag = Column(Integer
                      , nullable=False
                      , default=1
                      , comment="删除状态(0：已删除，1：初始值)")

    create_time = Column(DateTime
                         , nullable=False
                         , default=datetime.now
                         , comment="作成时间")

    update_time = Column(DateTime
                         , nullable=False
                         , default=datetime.now
                         , onupdate=datetime.now
                         , comment="更新时间")
Base.metadata.create_all(engine)