# model/score.py
from sqlalchemy import Column, Integer, Float, ForeignKey, DateTime
from sqlalchemy.orm import relationship
from datetime import datetime
from database import Base


class Score(Base):
    __tablename__ = "score"
    id = Column(Integer, primary_key=True, autoincrement=True)  # 主键
    student_id = Column(Integer, ForeignKey("student.id"), nullable=False) #外键
    exam_seq = Column(Integer, nullable=False)
    score = Column(Float, nullable=False)
    is_warning = Column(Integer, default=0) #低分预警 0正常 1不及格
    is_deleted = Column(Integer, default=0) #是否被逻辑删除
    create_time = Column(DateTime, default=datetime.now)
    student = relationship("Student", back_populates="scores")