Many To Many 反向引用 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 可以说多种 lan...
Disable Default Transaction Transaction Nested Transactions Control the transaction manually A Specific Example SavePoint, RollbackTo Disable Default Transaction GORM perfo...
1. Has Many 1.1. 一对多 1.2. 外键 1.3. 外键关联 1.4. 多态关联 1.5. 使用一对多 1. Has Many 1.1. 一对多 has many 关联就是创建和另一个模型的一对多关系, 不像 has one ,所有者可以拥有0个或多个模型实例。 例如,如果你的应用包含用户和信用卡, 并且每一个用...
CHECK Constraint Index Constraint Foreign Key Constraint GORM allows create database constraints with tag, constraints will be created when AutoMigrate or CreateTable with GORM...
Models Model Definition Conventions gorm.Model struct Table name is the pluralized version of struct name Change default tablenames Column name is the snake case of field’s na...
Database Connecting to a database MySQL PostgreSQL Sqlite3 SQL Server Write Dialect for unsupported databases Migration Auto Migration Has Table Create Table Drop table ...