英文: Rails Active Record: Joining single table by multiple custom associations pointing to same colum...
72评论ruby-on-rails
sql
Rails Active Record：通过多个自定义关联连接单个表，这些关联都指向同一列。
72评论ruby-on-rails
sql
72评论ruby-on-rails
sql
How do I escape a MySql reserved name in ActiveRecord Relations?
英文: How do I escape a MySql reserved name in ActiveRecord Relations? 问题 I'm working with an older (r...
69评论ruby
ruby-on-rails
Rails创建/构建具有多个外键
英文: Rails create/build with multiple foreign keys 问题 你想要能够仅通过帐户来创建开支，就像这个示例一样： account = current_use...
62评论ruby
ruby-on-rails
Active Record 5.1指向早期版本？
英文: active_record 5.1 pointing to earlier version? 问题 I have upgraded a rails application to Rails 5...
67评论ruby
ruby-on-rails
Rails多重STI关系has_many
英文: rails multiple STI relation has_many 问题 我有这些模型 class OfferWrapper < ApplicationRecord end...
54评论activerecord
ruby-on-rails
使用枚举字段在Rails中进行单表继承的缺点是什么？
英文: What are the cons of using enum field for single table inheritance in rails? 问题 I am refactoring...
60评论ruby
ruby-on-rails
从ActiveRecord格式创建一个对象
英文: Create an object from ActiveRecord format 问题 In trying to debug an issue that's appearing in pro...
67评论activerecord
ruby-on-rails
创建一个符合ActiveRecord格式的对象。
英文: Create an object from ActiveRecord format 问题 以下是代码部分的翻译： In trying to debug an issue that...
64评论activerecord
ruby-on-rails
无法使用ActiveRecord（没有Rails）更新记录。
英文: Cannot update record with ActiveRecord (no rails) 问题 你好，以下是你要翻译的内容： CREATE TABLE user_logins (to...
66评论postgresql
ruby
如何在不触发activerecord回调的情况下添加activestorage附件
英文: How to add an activestorage attachment without triggering activerecord callbacks 问题 问题在于在 afters...
60评论activerecord
ruby-on-rails
4