sqlalchemy-Object Relationship Tutorial ORM Query

One: Object Relationship Tutorial Query

a method to  Query use   Session的query() when creating an object   . This function accepts a parameter of the number of variables, which can be a combination of any class and class-instrumented descriptor.

　　QueryIt loads the User instance

 for inch session.query (User). Order_by (user.id):     Print (instance.name,instance.fullname)---------------------------------------------------------------- Ed Tianshishi Shi Jonesan san jonejun June Jone

　　orm-instrumented Descriptors as parameters　

 for inch session.query (user.name,user.fullname):     Print (Name,fullname)----------------------------------------------------------------ed Tianshishi Shi Jonesan san Jonejun June Jone

　　

sqlalchemy-Object Relationship Tutorial ORM Query