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  • Pony examples

    Pony examples Pony examples Instead of creating models manually, you can check the examples from the Pony distribution package: >>> from pony . orm . examples . estore impo...
  • Equality in Pony

    553 2020-09-03 《PonyLang Tutorial》
    Identity equality Structural equality Primitives and equality Pony features two forms of equality: by structure and by identity. Identity equality Identity equality checks i...
  • Pony ORM

    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...
  • Pony query examples

    Pony query examples Pony query examples For demonstrating Pony queries let’s use the example from the Pony ORM distribution. You can try these queries yourself in the interactiv...
  • What is Pony ORM?

    What is Pony ORM? PonyORM community What is Pony ORM? Pony is an advanced object-relational mapper. An ORM allows developers to work with the content of a database in the form ...
  • Getting Started with Pony

    Getting Started with Pony Getting Started with Pony Installing Creating the database object Defining entities Database binding Mapping entities to database tables Using th...
  • The Pony Type System at a Glance

    631 2020-09-03 《PonyLang Tutorial》
    Static vs Dynamic: What’s the difference? Types are guarantees What guarantees does Pony’s type system give me? Pony is a statically typed language, like Java, C#, C++, and man...
  • Calling C from Pony

    533 2020-09-03 《PonyLang Tutorial》
    Safely does it C types Get and Pass Pointers to FFI Read Struct Values from FFI FFI functions raising errors FFI is built into Pony and native libraries may be directly refer...
  • A Short Guide to Pony Error Messages

    482 2020-09-03 《PonyLang Tutorial》
    left side must be something that can be assigned to cannot write to a field in a box function receiver type is not a subtype of target type A note on compiler versions You’ve ...
  • How Pony avoids lost updates

    How Pony avoids lost updates How Pony avoids lost updates Lower isolation levels increase the ability of many users to access data at the same time, but it also can lead to data...