diff options
Diffstat (limited to 'activerecord/test/cases/relations_test.rb')
| -rw-r--r-- | activerecord/test/cases/relations_test.rb | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/activerecord/test/cases/relations_test.rb b/activerecord/test/cases/relations_test.rb index f14eee2eb8..39632075e8 100644 --- a/activerecord/test/cases/relations_test.rb +++ b/activerecord/test/cases/relations_test.rb @@ -668,6 +668,21 @@ class RelationTest < ActiveRecord::TestCase assert_equal [developers(:poor_jamis)], dev_with_count.to_a end + def test_relation_merging_with_arel_equalities_keeps_last_equality + devs = Developer.where(Developer.arel_table[:salary].eq(80000)).merge( + Developer.where(Developer.arel_table[:salary].eq(9000)) + ) + assert_equal [developers(:poor_jamis)], devs.to_a + end + + def test_relation_merging_with_arel_equalities_with_a_non_attribute_left_hand_ignores_non_attributes_when_discarding_equalities + salary_attr = Developer.arel_table[:salary] + devs = Developer.where(salary_attr.eq(80000)).merge( + Developer.where(salary_attr.eq(9000)).where(Arel::Nodes::NamedFunction.new('abs', [salary_attr]).eq(9000)) + ) + assert_equal [developers(:poor_jamis)], devs.to_a + end + def test_relation_merging_with_eager_load relations = [] relations << Post.order('comments.id DESC').merge(Post.eager_load(:last_comment)).merge(Post.scoped) |