设计ORM 设计ORM接口 实现ORM 练习 小结 读后有收获可以支付宝请作者喝咖啡： 设计ORM 我们从前几节可以看到，所谓ORM，也是建立在JDBC的基础上，通过ResultSet到JavaBean的映射，实现各种查询。有自动跟踪Entity修改的全自动化ORM如Hibernate和JPA，需要为每个Entity创建代理，也有完全自己映...

ORM tool Creating table automatically Print SQL ORM tool After registering model and database , call the RunCommand method to execute the ORM command。 func main () { ...

ORM Examples Mapping Recipes Adjacency List Associations Asyncio Integration Directed Graphs Dynamic Relations as Dictionaries Generic Associations Materialized Paths Nested...

ORM Events Session Events Mapper Events Instance Events Attribute Events Query Events Instrumentation Events ORM Events The ORM includes a wide variety of hooks available ...

ORM Configuration How do I map a table that has no primary key? How do I configure a Column that is a Python reserved word or similar? How do I get a list of all columns, relatio...

ORM Exceptions ORM Exceptions SQLAlchemy ORM exceptions. sqlalchemy.orm.exc. ConcurrentModificationError alias of sqlalchemy.orm.exc.StaleDataError exception sqlalchemy...

ORM Events Attribute Events Mapper Events Instance Events Session Events Query Events Instrumentation Events ORM Events The ORM includes a wide variety of hooks available...

Pony ORM 创建数据库 定义实体 添加与数据库表的映射 编写查询语句 获取对象 更新对象 数据库 Session 手动编写 SQL 语句 事务 实现 Pony ORM Pony 是一个很有意思的 ORM，它的特别之处在于可以使用 Python 生成器的语法来创建数据库请求，我们可以用这样的语句来查询数据库： sele...

Getting Started Relationships Collections Mutators / Casts API Resources Serialization Factories

ORM: Table relationships Introduction Has one relation Belongs to relation Has many relation Polymorphic has many relation Many to many relation ORM: Table relationships ...