27 lines
1.0 KiB
Python
27 lines
1.0 KiB
Python
#教师建表语句
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from sqlalchemy import Column, String, Integer
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from sqlalchemy.orm import relationship
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from database import Base
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class Teacher(Base):
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__tablename__ = "tea_info" # 表名
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# 字段定义
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id = Column(String(15), primary_key=True, index=True) # 主键，索引
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name = Column(String(20),nullable=False) # 用户名，非空
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phone = Column(String(20),unique=True,nullable=False) # 电话，唯一，非空
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type = Column(String(20), nullable=False) # 教师职位,非空
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is_deleted = Column(Integer, nullable=False, default=0) # 逻辑删除(软删除),0是未删除,1是删除,默认为0
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head_classes = relationship("ClsMgmt",
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foreign_keys="ClsMgmt.head_tea_id",
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back_populates="head_teacher")
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lecturer_classes = relationship("ClsMgmt",
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foreign_keys="ClsMgmt.lecturer_id",
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back_populates="lecturer")
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