更新id

stu_jiuye/model.py

@@ -1,4 +1,3 @@
-from databases import engine_all,Base_all,Session
 from sqlalchemy import ForeignKey
 
 from stu_jiuye.database import DATETIME,Base,Column,Integer,String,DATE
@@ -6,7 +5,7 @@ from datetime import datetime
 
 
 
-class Employments(Base_all):                                            #学生就业信息基类
+class Employments(Base):                                            #学生就业信息基类
     __tablename__ = 'Employments'                                   #表名
     id = Column(Integer                                         #主键，自增主键
                 , primary_key=True
@@ -14,25 +13,19 @@ class Employments(Base_all):                                            #学生
                 # , ForeignKey('student.id')
                 , comment='自增主键'
                 )
-    sname  = Column(String(50)
-                    # , ForeignKey='student.name'
-                    )                                #学生姓名，冗余字段
-    class_num  = Column(Integer
-                         # , ForeignKey='class.id'
-                            )                               #学生班级，冗余字段
 
-    # compname=Column(String(50)
-    #                 ,nullable=False
-    #                )
+    stuid  = Column(Integer
+                    , ForeignKey('students.id')
+                    )                                #学生姓名，冗余字段
+    class_id  = Column(Integer
+                         , ForeignKey('classes.id')
+                            )                               #学生班级，冗余字段
     company_id = Column(Integer                                  #公司id，外键匹配公司表
                         , ForeignKey('Company.id')
                         , nullable=True
 
                         )
-    # address_id = Column(Integer
-    #                     , ForeignKey('Address.id')
-    #                     , nullable=False
-    #                     )
+
     employment_salary  = Column(Integer, nullable=True)                                    #薪资
 
     employment_open_time = Column(DATE, nullable=True)                 #就业开放时间
@@ -48,7 +41,7 @@ class Employments(Base_all):                                            #学生
                           )
     is_deleted = Column(Integer, default=0)                     #是否为删除信息，默认为0
 
-class Company(Base_all):                                                #公司信息基类
+class Company(Base):                                                #公司信息基类
     __tablename__ = 'Company'                                       #表名
     id = Column(Integer
                 , primary_key=True
@@ -70,7 +63,7 @@ class Company(Base_all):                                                #公司
                           )
     is_deleted = Column(Integer, default=0)
 
-class Address(Base_all):
+class Address(Base):
     __tablename__ = 'Address'
     id = Column(Integer                                         #地址id,自增主键
                 , primary_key=True