Query Pagination Dynamically Table Updates Scopes allow you to re-use commonly used logic, the shared logic needs to be defined as type func(*gorm.DB) *gorm.DB Query Scope ...
Set / Get InstanceSet / InstanceGet GORM provides Set , Get , InstanceSet , InstanceGet methods allow users pass values to hooks or other methods GORM uses this for some feat...
Has Many 声明 检索 重写外键 重写引用 多态关联 Has Many 的 CURD 预加载 自引用 Has Many 外键约束 Has Many has many 与另一个模型建立了一对多的连接。 不同于 has one ,拥有者可以有零或多个关联模型。 例如,您的应用包含 user 和 credit card 模型,且每...
MySQL PostgreSQL SQLite SQL Server 连接池 不支持的数据库 GORM 官方支持的数据库类型有: MySQL, PostgreSQL, SQlite, SQL Server MySQL import ( "gorm.io/driver/mysql" "gorm.io/gorm" ...
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Many To Many 反向引用 声明 检索 重写外键 自引用 Many2Many 预加载 Many2Many 的 CURD 自定义连接表 外键约束 复合外键 Many To Many Many to Many 会在两个 model 中添加一张连接表。 例如,您的应用包含了 user 和 language,且一个 user 可以...
Set / Get InstanceSet / InstanceGet GORM 提供了 Set , Get , InstanceSet , InstanceGet 方法来允许用户传值给 勾子 或其他方法 Gorm 中有一些特性用到了这种机制,如迁移表格时传递表格选项。 // 创建表时添加表后缀 db . Set ( "gorm:table_o...