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pr特性:
使用方式:
实现细节:
这里没有使用gorm内置的migrator机制,主要是使用gorm的migrator机制需要定义好相对应SQL DDL的model 结构体;
pr使用了另一种方法,基于golang-migrate实现 直接使用定义好的sql ddl文件支持migrate功能,达到一样的效果。
细节优化点: