diff options
Diffstat (limited to 'guides/source/upgrading_ruby_on_rails.textile')
| -rw-r--r-- | guides/source/upgrading_ruby_on_rails.textile | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/guides/source/upgrading_ruby_on_rails.textile b/guides/source/upgrading_ruby_on_rails.textile index 4bf4751127..70d4dabfe2 100644 --- a/guides/source/upgrading_ruby_on_rails.textile +++ b/guides/source/upgrading_ruby_on_rails.textile @@ -42,6 +42,10 @@ h4(#active_record4_0). Active Record The <tt>delete</tt> method in collection associations can now receive <tt>Fixnum</tt> or <tt>String</tt> arguments as record ids, besides records, pretty much like the <tt>destroy</tt> method does. Previously it raised <tt>ActiveRecord::AssociationTypeMismatch</tt> for such arguments. From Rails 4.0 on <tt>delete</tt> automatically tries to find the records matching the given ids before deleting them. +Rails 4.0 has changed how orders get stacked in +ActiveRecord::Relation+. In previous versions of rails new order was applied after previous defined order. But this is no long true. Check "ActiveRecord Query guide":active_record_querying.html#ordering for more information. + +Rails 4.0 has changed <tt>serialized_attributes</tt> and <tt>_attr_readonly</tt> to class methods only. Now you shouldn't use instance methods, it's deprecated. You must change them, e.g. <tt>self.serialized_attributes</tt> to <tt>self.class.serialized_attributes</tt>. + h4(#active_model4_0). Active Model Rails 4.0 has changed how errors attach with the <tt>ActiveModel::Validations::ConfirmationValidator</tt>. Now when confirmation validations fail the error will be attached to <tt>:#{attribute}_confirmation</tt> instead of <tt>attribute</tt>. @@ -50,7 +54,21 @@ h4(#action_pack4_0). Action Pack Rails 4.0 changed how <tt>assert_generates</tt>, <tt>assert_recognizes</tt>, and <tt>assert_routing</tt> work. Now all these assertions raise <tt>Assertion</tt> instead of <tt>ActionController::RoutingError</tt>. -Rails 4.0 also changed the way unicode character routes are drawn. Now you can draw unicode character routes directly. If you already draw such routes, you must change them, e.g. <tt>get Rack::Utils.escape('こんにちは'), :controller => 'welcome', :action => 'index'</tt> to <tt>get 'こんにちは', :controller => 'welcome', :action => 'index'</tt>. +Rails 4.0 also changed the way unicode character routes are drawn. Now you can draw unicode character routes directly. If you already draw such routes, you must change them, for example: + +<ruby> +get Rack::Utils.escape('こんにちは'), :controller => 'welcome', :action => 'index' +</ruby> + +becomes + +<ruby> +get 'こんにちは', :controller => 'welcome', :action => 'index' +</ruby> + +h4(#active_support4_0). Active Support + +Rails 4.0 Removed the <tt>j</tt> alias for <tt>ERB::Util#json_escape</tt> since <tt>j</tt> is already used for <tt>ActionView::Helpers::JavaScriptHelper#escape_javascript</tt>. h4(#helpers_order). Helpers Loading Order |