当前分类:validates-uniqueness-of

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ruby-on-rails - rails 3 : Uniqueness validation for nested fields_for

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ruby-on-rails - validates_uniqueness_of 传递 nil 或空白(没有allow_nil 和allow_blank)

ruby-on-rails - Rails validates_uniqueness_of :scope on foreign key

ruby-on-rails - Rails 唯一性约束和空列的匹配数据库唯一索引

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