diff options
| -rw-r--r-- | activerecord/lib/active_record/null_relation.rb | 17 | ||||
| -rw-r--r-- | activerecord/lib/active_record/relation/query_methods.rb | 2 | ||||
| -rw-r--r-- | activerecord/test/cases/relations_test.rb | 7 |
3 files changed, 15 insertions, 11 deletions
diff --git a/activerecord/lib/active_record/null_relation.rb b/activerecord/lib/active_record/null_relation.rb index c2d3eeb8ce..aca8291d75 100644 --- a/activerecord/lib/active_record/null_relation.rb +++ b/activerecord/lib/active_record/null_relation.rb @@ -2,24 +2,24 @@ module ActiveRecord # = Active Record Null Relation - class NullRelation < Relation + module NullRelation def exec_queries @records = [] end - def pluck(column_name) + def pluck(_column_name) [] end - def delete_all(conditions = nil) + def delete_all(_conditions = nil) 0 end - def update_all(updates, conditions = nil, options = {}) + def update_all(_updates, _conditions = nil, _options = {}) 0 end - def delete(id_or_array) + def delete(_id_or_array) 0 end @@ -51,13 +51,12 @@ module ActiveRecord 0 end - def calculate(operation, column_name, options = {}) + def calculate(_operation, _column_name, _options = {}) nil end - def exists?(id = false) + def exists?(_id = false) false end - end -end
\ No newline at end of file +end diff --git a/activerecord/lib/active_record/relation/query_methods.rb b/activerecord/lib/active_record/relation/query_methods.rb index 19fe8155d9..a89d0f3ebf 100644 --- a/activerecord/lib/active_record/relation/query_methods.rb +++ b/activerecord/lib/active_record/relation/query_methods.rb @@ -279,7 +279,7 @@ module ActiveRecord # end # def none - NullRelation.new(@klass, @table) + scoped.extending(NullRelation) end def readonly(value = true) diff --git a/activerecord/test/cases/relations_test.rb b/activerecord/test/cases/relations_test.rb index 2dc8f0053b..90367df5ee 100644 --- a/activerecord/test/cases/relations_test.rb +++ b/activerecord/test/cases/relations_test.rb @@ -226,7 +226,6 @@ class RelationTest < ActiveRecord::TestCase assert_no_queries do assert_equal [], Developer.none assert_equal [], Developer.scoped.none - assert Developer.none.is_a?(ActiveRecord::NullRelation) end end @@ -236,6 +235,12 @@ class RelationTest < ActiveRecord::TestCase end end + def test_none_chainable_to_existing_scope_extension_method + assert_no_queries do + assert_equal 1, Topic.anonymous_extension.none.one + end + end + def test_none_chained_to_methods_firing_queries_straight_to_db assert_no_queries do assert_equal [], Developer.none.pluck(:id) # => uses select_all |