from sqlalchemy import create_engine, Column, Integer, String, Float, ForeignKey, Table, Date
from sqlalchemy.orm import relationship
from model import Base

class Student(Base):
    __tablename__="student"
    id = Column(Integer, primary_key=True, autoincrement=True)
    stu_id=Column(String(50),unique=True)
    name = Column(String(50), nullable=False)
    hometown=Column(String(100))
    school = Column(String(100))
    major= Column(String(100))
    enroll_time=Column(String(100))
    graduate_time=Column(String(100))
    education=Column(String(100))
    age=Column(Integer)
    gender=Column(String(10))
    statu=Column(Integer,nullable=False)
    advisor_id = Column(Integer, ForeignKey("advisor.id"), nullable=True)
    class_id = Column(Integer, ForeignKey("classinfo.id"))
    advisor = relationship("Advisor", back_populates="students")#关联顾问
    scores = relationship("Score", back_populates="student")#关联成绩
    employment=relationship("Employment", back_populates="student")#关联就业
    classinfo = relationship("ClassInfo", back_populates="students")#关联班级