diff options
Diffstat (limited to 'activerecord')
| -rw-r--r-- | activerecord/lib/active_record/associations/has_many_association.rb | 8 | ||||
| -rw-r--r-- | activerecord/test/cases/associations/has_many_associations_test.rb | 7 |
2 files changed, 15 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/associations/has_many_association.rb b/activerecord/lib/active_record/associations/has_many_association.rb index 453615ba87..2a97d0ed31 100644 --- a/activerecord/lib/active_record/associations/has_many_association.rb +++ b/activerecord/lib/active_record/associations/has_many_association.rb @@ -41,6 +41,14 @@ module ActiveRecord end end + def empty? + if has_cached_counter? + size.zero? + else + super + end + end + private # Returns the number of records in this collection. diff --git a/activerecord/test/cases/associations/has_many_associations_test.rb b/activerecord/test/cases/associations/has_many_associations_test.rb index 3e5b7e655b..fe961e871c 100644 --- a/activerecord/test/cases/associations/has_many_associations_test.rb +++ b/activerecord/test/cases/associations/has_many_associations_test.rb @@ -837,6 +837,13 @@ class HasManyAssociationsTest < ActiveRecord::TestCase end end + def test_calling_empty_with_counter_cache + post = posts(:welcome) + assert_queries(0) do + assert_not post.comments.empty? + end + end + def test_custom_named_counter_cache topic = topics(:first) |