54 lines
1.4 KiB
Python
54 lines
1.4 KiB
Python
from sqlalchemy import (Column, Integer, String, Text,
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BigInteger,ForeignKey,VARCHAR,DateTime
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)
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from sqlalchemy.dialects.mssql import TINYINT
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from core.database import Base
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from datetime import datetime
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#班级老师关系表 class_teachers_info_detail 中间表 ORM 模型完整定义
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#字段包括id,class_id,teacher_id,role,created_at,updated_at,is_deleted
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class ClassTeachers(Base):
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__tablename__ = "class_teachers_info_detail"
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id = Column(
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Integer
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,primary_key=True
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,autoincrement=True
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,comment='关系')
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class_id = Column(
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Integer
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,ForeignKey('class_info_detail.id')
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,nullable=False
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,comment='关联 class_id'
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)
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teacher_id = Column(
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Integer
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,ForeignKey("teacher_info_detail.id")
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,nullable=False
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,comment='关联 teacher_id'
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)
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role = Column(
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VARCHAR(30)
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,nullable=False
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,comment='老师在班级中的角色：head_teacher班主任 / lecturer授课老师 / assistant助教'
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)
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created_at = Column(
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DateTime
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,nullable=False
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,default=datetime.now()
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,comment='创建时间'
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)
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updated_at = Column(
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DateTime
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,nullable=False
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,default=datetime.now()
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,comment='更新时间'
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)
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is_deleted = Column(
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TINYINT
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,nullable=False
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,default=0
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,comment='逻辑删除'
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)
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