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update sqlalchemy

master
xianhu 2016-10-26 17:50:21 +08:00
parent 53dfd3a1d2
commit 85552c1046
1 changed files with 4 additions and 4 deletions
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8
python_sqlalchemy.py
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@ -54,13 +54,13 @@ class User(BaseModel):
name = sqlalchemy.Column("name", sqlalchemy.String(50), nullable=False) name = sqlalchemy.Column("name", sqlalchemy.String(50), nullable=False)
age = sqlalchemy.Column("age", sqlalchemy.Integer, default=0) age = sqlalchemy.Column("age", sqlalchemy.Integer, default=0)
# 添加角色id外键(关联到Role.id属性) # 添加角色id外键,关联到表Roles的id属性
role_id = sqlalchemy.Column("role_id", sqlalchemy.Integer, sqlalchemy.ForeignKey("Roles.id")) role_id = sqlalchemy.Column("role_id", sqlalchemy.Integer, sqlalchemy.ForeignKey("Roles.id"))
# 添加关系属性(关联到role_id外键上) # 添加关系属性,关联到本实例的role_id外键属性上
role = sqlalchemy.orm.relationship("Role", foreign_keys="User.role_id") role = sqlalchemy.orm.relationship("Role", foreign_keys="User.role_id")
# 添加关系属性(关联到role_id外键上),如果使用了这种方式,Role模型中的users可以省略 # 添加关系属性,关联到本实例的role_id外键属性上,如果使用了这种方式,Role模型中的users可以省略
# role = sqlalchemy.orm.relationship("Role", foreign_keys="User.role_id", backref=sqlalchemy.orm.backref("users")) # role = sqlalchemy.orm.relationship("Role", foreign_keys="User.role_id", backref=sqlalchemy.orm.backref("users"))
@ -76,7 +76,7 @@ class Role(BaseModel):
id = sqlalchemy.Column("id", sqlalchemy.Integer, primary_key=True) id = sqlalchemy.Column("id", sqlalchemy.Integer, primary_key=True)
name = sqlalchemy.Column("name", sqlalchemy.String(50), unique=True) name = sqlalchemy.Column("name", sqlalchemy.String(50), unique=True)
# 添加关系属性(关联到User.role_id属性上) # 添加关系属性,关联到实例User的role_id外键属性上
users = sqlalchemy.orm.relationship("User", foreign_keys="User.role_id") users = sqlalchemy.orm.relationship("User", foreign_keys="User.role_id")