如何全局禁用掉关联表数据的默认写和删除操作

[molon]

Your Question

在我目前的项目里，会需要使用 Preload Joins 这样的方法，但是确实不需要写操作的时候也去处理关联数据，所以我期望能全局禁用掉这个默认或者非默认行为，防止团队成员使用导致非预期错误。

经过调研，找到了三种方式，但是各有利弊，希望能得到指点。

目前是倾向于 移除相关的 callbacks 会比较彻底和方便，但是我对此有些担心直接 remove 掉是否会有其他隐患。
希望这点上能得到解答。🙏

https://github.com/molon/tests/blob/ee9470efe9de680a26038053c7ff7bcf88693af9/gorm/ass_test.go#L403-L491

Update

找到另外一种感觉更可靠的方式如下

omitAssociations := func(db *gorm.DB) {
	db.Statement.Omit(clause.Associations)
}
db.Callback().Create().Before("gorm:save_before_associations").Register("omit_associations", omitAssociations)
db.Callback().Delete().Before("gorm:delete_before_associations").Register("omit_associations", omitAssociations)
db.Callback().Update().Before("gorm:save_before_associations").Register("omit_associations", omitAssociations)

想知道此种方式是否 OK 且没有其他隐患。

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