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Diffstat (limited to 'guides/source/upgrading_ruby_on_rails.textile')
| -rw-r--r-- | guides/source/upgrading_ruby_on_rails.textile | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/guides/source/upgrading_ruby_on_rails.textile b/guides/source/upgrading_ruby_on_rails.textile index 4bf4751127..5024bc4c37 100644 --- a/guides/source/upgrading_ruby_on_rails.textile +++ b/guides/source/upgrading_ruby_on_rails.textile @@ -42,6 +42,8 @@ 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. + 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>. |