From d52cee3e3bb4c45bfd21d3f905e502fa00758def Mon Sep 17 00:00:00 2001 From: Rick Olson Date: Mon, 4 Sep 2006 18:55:30 +0000 Subject: Add deprecation warning for inferred foreign key. #6029 [Josh Susser] git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@4992 5ecf4fe2-1ee6-0310-87b1-e25e094e27de --- activerecord/CHANGELOG | 2 ++ activerecord/lib/active_record/associations.rb | 6 ++++++ activerecord/test/associations_test.rb | 7 +++++++ 3 files changed, 15 insertions(+) (limited to 'activerecord') diff --git a/activerecord/CHANGELOG b/activerecord/CHANGELOG index c0815198c2..5a1419415b 100644 --- a/activerecord/CHANGELOG +++ b/activerecord/CHANGELOG @@ -1,5 +1,7 @@ *SVN* +* Add deprecation warning for inferred foreign key. #6029 [Josh Susser] + * Fixed the Ruby/MySQL adapter we ship with Active Record to work with the new authentication handshake that was introduced in MySQL 4.1, along with the other protocol changes made at that time #5723 [jimw@mysql.com] * Deprecation: use :dependent => :delete_all rather than :exclusively_dependent => true. #6024 [Josh Susser] diff --git a/activerecord/lib/active_record/associations.rb b/activerecord/lib/active_record/associations.rb index 0771f26218..33fd8afee2 100755 --- a/activerecord/lib/active_record/associations.rb +++ b/activerecord/lib/active_record/associations.rb @@ -655,6 +655,12 @@ module ActiveRecord # :conditions => 'discounts > #{payments_count}' # belongs_to :attachable, :polymorphic => true def belongs_to(association_id, options = {}) + if options.include?(:class_name) && !options.include?(:foreign_key) + ::ActiveSupport::Deprecation.warn( + "The inferred foreign_key name will change in Rails 2.0 to use the association name instead of its class name when they differ. When using :class_name in belongs_to, use the :foreign_key option to explicitly set the key name to avoid problems in the transition.", + caller) + end + reflection = create_belongs_to_reflection(association_id, options) if reflection.options[:polymorphic] diff --git a/activerecord/test/associations_test.rb b/activerecord/test/associations_test.rb index b6ffda8105..d7997beaa3 100755 --- a/activerecord/test/associations_test.rb +++ b/activerecord/test/associations_test.rb @@ -350,6 +350,13 @@ class HasOneAssociationsTest < Test::Unit::TestCase end end + def test_deprecated_inferred_foreign_key + assert_not_deprecated { Company.belongs_to :firm } + assert_not_deprecated { Company.belongs_to :client, :foreign_key => "firm_id" } + assert_not_deprecated { Company.belongs_to :firm, :class_name => "Firm", :foreign_key => "client_of" } + assert_deprecated("inferred foreign_key name") { Company.belongs_to :client, :class_name => "Firm" } + end + end -- cgit v1.2.3