diff options
4 files changed, 16 insertions, 6 deletions
diff --git a/activerecord/CHANGELOG.md b/activerecord/CHANGELOG.md index 109f6f3cd4..6054b08f33 100644 --- a/activerecord/CHANGELOG.md +++ b/activerecord/CHANGELOG.md @@ -1,3 +1,11 @@ +* Fix through associations using scopes having the scope merged multiple + times. + + Fixes #20721. + Fixes #20727. + + *Sean Griffin* + * `ActiveRecord::Base.dump_schema_after_migration` applies migration tasks other than `db:migrate`. (eg. `db:rollback`, `db:migrate:dup`, ...) diff --git a/activerecord/lib/active_record/associations/association_scope.rb b/activerecord/lib/active_record/associations/association_scope.rb index 2416167834..a140dc239c 100644 --- a/activerecord/lib/active_record/associations/association_scope.rb +++ b/activerecord/lib/active_record/associations/association_scope.rb @@ -149,6 +149,7 @@ module ActiveRecord scope.where_clause += item.where_clause scope.order_values |= item.order_values + scope.unscope!(*item.unscope_values) end reflection = reflection.next diff --git a/activerecord/lib/active_record/associations/through_association.rb b/activerecord/lib/active_record/associations/through_association.rb index af1bce523c..55ee9f04e0 100644 --- a/activerecord/lib/active_record/associations/through_association.rb +++ b/activerecord/lib/active_record/associations/through_association.rb @@ -15,12 +15,6 @@ module ActiveRecord scope = super reflection.chain.drop(1).each do |reflection| relation = reflection.klass.all - - reflection_scope = reflection.scope - if reflection_scope && reflection_scope.arity.zero? - relation = relation.merge(reflection_scope) - end - scope.merge!( relation.except(:select, :create_with, :includes, :preload, :joins, :eager_load) ) diff --git a/activerecord/test/cases/associations/has_many_through_associations_test.rb b/activerecord/test/cases/associations/has_many_through_associations_test.rb index 1d545af5a5..c34387f06d 100644 --- a/activerecord/test/cases/associations/has_many_through_associations_test.rb +++ b/activerecord/test/cases/associations/has_many_through_associations_test.rb @@ -1158,4 +1158,11 @@ class HasManyThroughAssociationsTest < ActiveRecord::TestCase post_through = organization.posts.build assert_equal post_direct.author_id, post_through.author_id end + + def test_has_many_through_with_scope_that_should_not_be_fully_merged + Club.has_many :distinct_memberships, -> { distinct }, class_name: "Membership" + Club.has_many :special_favourites, through: :distinct_memberships, source: :member + + assert_nil Club.new.special_favourites.distinct_value + end end |