Retrieving Data Getting single records Lists of records Sorting Combining filter expressions Aggregates and Prefetch SQL Functions Retrieving Data The real strength of ou...

Connection pool Pool APIs Connection pool The pool module contains a number of Database classes that provide connection pooling for PostgreSQL, MySQL and SQLite databases. ...

PingCAP 维护的三方库 支持等级 Driver ORM 应用框架 GUI IDE PingCAP 维护的三方库 TiDB 对 MySQL 协议的支持，使得大部分适配 MySQL 的 Driver、ORM 及其他工具与 TiDB 兼容。将适配一组满足大多数语言和框架的工具，此页面上将展示这些工具和它们的支持等级。 支持等级 Ping...

Schema Migrations Example usage Supported Operations Migrations API Schema Migrations Peewee now supports schema migrations, with well-tested support for Postgresql, SQLite ...

Schema Migrations Example usage Supported Operations Migrations API Schema Migrations Peewee now supports schema migrations, with well-tested support for Postgresql,SQLite a...

测试 进行代码库测试和生成测试数据的库。 测试框架 unittest：(Python 标准库) 单元测试框架。官网 nose：nose 扩展了 unittest 的功能。官网 contexts：一个 Python 3.3+ 的 BDD 框架。受到 C# – Machine.Specifications 的启发。官网 hypothesis：Hyp...

Connection pool Pool APIs Connection pool The pool module contains a number of Database classes that provide connection pooling for PostgreSQL, MySQL and SQLite databases. ...

Connection pool Pool APIs Connection pool The pool module contains a number of Database classes thatprovide connection pooling for PostgreSQL, MySQL and SQLite databases. T...

Sorting records Sorting records To return rows in order, use the order_by() method: >>> for t in Tweet . select (). order_by ( Tweet . created_date ): ... prin...

Sorting records Sorting records To return rows in order, use the order_by() method: >>> for t in Tweet . select (). order_by ( Tweet . created_date ): ... prin...