榜单
IT文库
服务器优惠
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设置
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... -
Declaring Models
Declaring Models Conventions gorm.Model Advanced Field-Level Permission Creating/Updating Time/Unix (Milli/Nano) Seconds Tracking Embedded Struct Fields Tags Associations T... -
DBResolver
Usage Transaction Automatic connection switching Read/Write Splitting Manual connection switching Load Balancing Connection Pool DBResolver adds multiple databases support ... -
Delete
Delete a Record Delete with primary key Delete Hooks Batch Delete Block Global Delete Returning Data From Deleted Rows Soft Delete Find soft deleted records Delete permanent... -
设置
设置 Set / Get InstanceSet / InstanceGet 设置 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 ( "gor... -
创建
layout: page 创建记录 选定字段创建 创建钩子 批量插入">批量插入 高级 关联创建">关联创建 默认值 Upsert 及冲突">Upsert 及冲突 title: 创建 layout: page 创建记录 user := User { Name : "Jinzhu" , Age : 18 ... -
事务
禁用默认事务 事务 嵌套事务 手动事务 一个特殊的示例 SavePoint、RollbackTo 禁用默认事务 为了确保数据一致性，GORM 会在事务里执行写入操作（创建、更新、删除）。如果没有这方面的要求，您可以在初始化时禁用它，这将获得大约 30%+ 性能提升。 // 全局禁用 db , err := gorm . Open ... -
Has One
Has One Override Foreign Key Override References Polymorphism Association CRUD with Has One Eager Loading Self-Referential Has One FOREIGN KEY Constraints Has One A has o... -
Has One
Has One 重写外键 重写引用 多态关联 Has One 的 CURD 预加载 自引用 Has One 外键约束 Has One has one 与另一个模型建立一对一的关联，但它和一对一关系有些许不同。 这种关联表明一个模型的每个实例都包含或拥有另一个模型的一个实例。 例如，您的应用包含 user 和 credit card ... -
12.2 Configurations for Data Access
12.2 Configurations for Data Access 12.2 Configurations for Data Access The table summarizes the configuration modules and the dependencies you should add to your build to enab...