55 lines
2.3 KiB
Python
55 lines
2.3 KiB
Python
from core.database import Base
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from sqlalchemy import *
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from sqlalchemy.dialects.mysql import TINYINT
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from datetime import datetime
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class Student(Base):
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__tablename__ = 'students'
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id = Column(Integer
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, primary_key=True
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, autoincrement=True
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, comment = '学生编号，自增主键'
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)
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student_no = Column(VARCHAR(50)
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, unique = True
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, nullable = False)
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student_name = Column(VARCHAR(50), nullable=False)
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class_id = Column(Integer
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,ForeignKey('classes.id')
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,nullable = False
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)#外键约束 班级表的主键id，存在这个班级，学生表才可以输入
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consultant_id = Column(Integer
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,ForeignKey('consultants.id')
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,nullable = True
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)#外键约束 顾问表的主键id，存在这个顾问，才可以写入，允许为空
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native_place = Column(VARCHAR(100)
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,nullable = True)
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graduate_school = Column(VARCHAR(100)
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,nullable = True)
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major = Column(VARCHAR(100)
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,nullable = True)
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enrollment_date = Column(Date
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,nullable = False)#入学时间必填
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graduation_date = Column(Date,
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nullable = True)#毕业时间可以为空
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education = Column(VARCHAR(50)
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,nullable = True)#学历可以为空
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age = Column(Integer
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,nullable = False)
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gender = Column(VARCHAR(10)
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,nullable = False)
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created_at = Column(DATETIME
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,default = datetime.now
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,server_default = text("CURRENT_TIMESTAMP")
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,nullable = False)
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updated_at = Column(DATETIME
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,default = datetime.now
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,onupdate = datetime.now
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,server_default = text("CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP")
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,nullable = False)
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is_deleted = Column(TINYINT
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,default = 0
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,server_default = text("0")
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,nullable = False)#逻辑删除，默认为0，为1则表示已删除
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