使用哪个RubyORM更好还是更理想?-WhichRubyORMisbetteroridealtouse?

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The mysql2 gem is only intended for those writing things like ActiveRecord, DataMapper or Sequel to use, so do not use it directly. It's a low-level driver.

mysql2 gem只用于编写ActiveRecord、DataMapper或Sequel等需要使用的内容，所以不要直接使用它。这是一个低级的司机。

If you're using Rails, use ActiveRecord. If you want something that's organized, follows strong conventions, and don't require a lot of low-level access to the database, use ActiveRecord. It's a great place to start, and a safe default choice.

如果您正在使用Rails，请使用ActiveRecord。如果您想要一些有组织的、遵循严格约定的东西，并且不需要对数据库进行大量低级访问，那么使用ActiveRecord。这是一个很好的起点，也是一个安全的默认选择。

If you want something with more flexibility, use Sequel. It's relatively tricky to use since it doesn't have the same simple packaging as ActiveRecord, but can be helpful for those that want a much thinner layer between themselves and the database. It has a very good query composer and an optional model layer, where ActiveRecord is primarily about models.

如果你想要更灵活的东西，可以使用Sequel。由于它没有ActiveRecord那样的简单封装，所以使用起来比较麻烦，但是对于那些希望在自己和数据库之间建立更薄的层的用户来说，这是很有帮助的。它有一个非常好的查询编写器和一个可选的模型层，ActiveRecord主要是关于模型的。

DataMapper is pretty much defunct and not worth considering. Their newest version only supports Rails 3.1.

DataMapper已经不存在了，不值得考虑。他们最新的版本只支持Rails 3.1。