from sqlalchemy import Column, Integer, String, Float, ForeignKey, DateTime, Date
from sqlalchemy.orm import relationship
from database import Base

class Employment(Base):
    __tablename__="employment"
    id=Column(Integer,primary_key=True, autoincrement=True)
    name=Column(String(50))
    stu_id=Column(Integer,ForeignKey("student.id"),unique=True,nullable=False,index=True)
    employment_open_time=Column(DateTime,nullable=True)
    offer_time=Column(DateTime,nullable=True)
    company_name=Column(String(50),nullable=True)
    salary=Column(Float,nullable=True)
    is_deleted = Column(Integer, default=0, nullable=False, comment="0未删除 1已删除")
    student=relationship("Student",back_populates="employment")