From 70a5e5638bfd3b2543bb9d4805cbefec84b6b1ce Mon Sep 17 00:00:00 2001 From: Matt Jones Date: Fri, 21 Feb 2014 17:58:40 -0500 Subject: [PATCH] Pass a base relation to build_default_scope when joining This allows the default scope to be built using the current table alias. Resolves #12770 --- .../associations/join_dependency/join_association.rb | 2 +- activerecord/lib/active_record/scoping/default.rb | 6 +++--- .../cases/associations/inner_join_association_test.rb | 9 +++++++++ activerecord/test/models/category.rb | 1 + 4 files changed, 14 insertions(+), 4 deletions(-) diff --git a/activerecord/lib/active_record/associations/join_dependency/join_association.rb b/activerecord/lib/active_record/associations/join_dependency/join_association.rb index cee3c9999f..1d923ecc09 100644 --- a/activerecord/lib/active_record/associations/join_dependency/join_association.rb +++ b/activerecord/lib/active_record/associations/join_dependency/join_association.rb @@ -54,7 +54,7 @@ module ActiveRecord end scope_chain_index += 1 - scope_chain_items.concat [klass.send(:build_default_scope)].compact + scope_chain_items.concat [klass.send(:build_default_scope, ActiveRecord::Relation.create(klass, table))].compact rel = scope_chain_items.inject(scope_chain_items.shift) do |left, right| left.merge right diff --git a/activerecord/lib/active_record/scoping/default.rb b/activerecord/lib/active_record/scoping/default.rb index 01fec31544..8ca5e8d6f6 100644 --- a/activerecord/lib/active_record/scoping/default.rb +++ b/activerecord/lib/active_record/scoping/default.rb @@ -93,14 +93,14 @@ module ActiveRecord self.default_scopes += [scope] end - def build_default_scope # :nodoc: + def build_default_scope(base_rel = relation) # :nodoc: if !Base.is_a?(method(:default_scope).owner) # The user has defined their own default scope method, so call that evaluate_default_scope { default_scope } elsif default_scopes.any? evaluate_default_scope do - default_scopes.inject(relation) do |default_scope, scope| - default_scope.merge(unscoped { scope.call }) + default_scopes.inject(base_rel) do |default_scope, scope| + default_scope.merge(base_rel.scoping { scope.call }) end end end diff --git a/activerecord/test/cases/associations/inner_join_association_test.rb b/activerecord/test/cases/associations/inner_join_association_test.rb index a9efa6d86a..b23517b2f9 100644 --- a/activerecord/test/cases/associations/inner_join_association_test.rb +++ b/activerecord/test/cases/associations/inner_join_association_test.rb @@ -117,4 +117,13 @@ class InnerJoinAssociationTest < ActiveRecord::TestCase assert_equal [author], Author.where(id: author).joins(:special_categorizations) end + + test "the default scope of the target is correctly aliased when joining associations" do + author = Author.create! name: "Jon" + author.categories.create! name: 'Not Special' + author.special_categories.create! name: 'Special' + + categories = author.categories.includes(:special_categorizations).references(:special_categorizations).to_a + assert_equal 2, categories.size + end end diff --git a/activerecord/test/models/category.rb b/activerecord/test/models/category.rb index 7da39a8e33..272223e1d8 100644 --- a/activerecord/test/models/category.rb +++ b/activerecord/test/models/category.rb @@ -22,6 +22,7 @@ class Category < ActiveRecord::Base end has_many :categorizations + has_many :special_categorizations has_many :post_comments, :through => :posts, :source => :comments has_many :authors, :through => :categorizations