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| -rw-r--r-- | guides/source/upgrading_ruby_on_rails.md | 12 |
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diff --git a/guides/source/upgrading_ruby_on_rails.md b/guides/source/upgrading_ruby_on_rails.md index 391551938a..79e0c6bf09 100644 --- a/guides/source/upgrading_ruby_on_rails.md +++ b/guides/source/upgrading_ruby_on_rails.md @@ -172,6 +172,18 @@ this gem such as `whitelist_attributes` or `mass_assignment_sanitizer` options. * Rails 4.0 has deprecated `ActiveRecord::Fixtures` in favor of `ActiveRecord::FixtureSet`. * Rails 4.0 has deprecated `ActiveRecord::TestCase` in favor of `ActiveSupport::TestCase`. +* Rails 4.0 has deprecated the old-style hash based finder API. This means that + methods which previously accepted "finder options" no longer do. + +* All dynamic methods except for `find_by_...` and `find_by_...!` are deprecated. + Here's how you can handle the changes: + + * `find_all_by_...` becomes `where(...)`. + * `find_last_by_...` becomes `where(...).last`. + * `scoped_by_...` becomes `where(...)`. + * `find_or_initialize_by_...` becomes `find_or_initialize_by(...)`. + * `find_or_create_by_...` becomes `find_or_create_by(...)`. + ### Active Resource Rails 4.0 extracted Active Resource to its own gem. If you still need the feature you can add the [Active Resource gem](https://github.com/rails/activeresource) in your Gemfile. |