Merge pull request #25285 from kamipo/fix_remove_reference_to_multiple_foreign_keys_in_the_same_table

Fix `remove_reference` to multiple foreign keys in the same table

1 files changed, 16 insertions, 0 deletions

diff --git a/activerecord/test/cases/migration/references_foreign_key_test.rb b/activerecord/test/cases/migration/references_foreign_key_test.rb
index 9418995ea0..f1ddac1ee2 100644
--- a/activerecord/test/cases/migration/references_foreign_key_test.rb
+++ b/activerecord/test/cases/migration/references_foreign_key_test.rb
@@ -203,6 +203,22 @@ if ActiveRecord::Base.connection.supports_foreign_keys?
           assert_equal([["testings", "testing_parents", "parent1_id"],
                         ["testings", "testing_parents", "parent2_id"]], fk_definitions)
         end
+
+        test "multiple foreign keys can be removed to the selected one" do
+          @connection.create_table :testings do |t|
+            t.references :parent1, foreign_key: { to_table: :testing_parents }
+            t.references :parent2, foreign_key: { to_table: :testing_parents }
+          end
+
+          assert_difference "@connection.foreign_keys('testings').size", -1 do
+            @connection.remove_reference :testings, :parent1, foreign_key: { to_table: :testing_parents }
+          end
+
+          fks = @connection.foreign_keys("testings").sort_by(&:column)
+
+          fk_definitions = fks.map { |fk| [fk.from_table, fk.to_table, fk.column] }
+          assert_equal([["testings", "testing_parents", "parent2_id"]], fk_definitions)
+        end
       end
     end
   end