Make SchemaDumper emit "id: :uuid" when appropriate. Fixes #10451.

1 files changed, 12 insertions, 0 deletions

diff --git a/activerecord/test/cases/adapters/postgresql/uuid_test.rb b/activerecord/test/cases/adapters/postgresql/uuid_test.rb
index 04c9065393..0bd9c864ec 100644
--- a/activerecord/test/cases/adapters/postgresql/uuid_test.rb
+++ b/activerecord/test/cases/adapters/postgresql/uuid_test.rb
@@ -50,6 +50,18 @@ class PostgresqlUUIDTest < ActiveRecord::TestCase
     u.reload
     assert_not_nil u.other_uuid
   end
+
+  def test_pk_and_sequence_for_uuid_primary_key
+    pk, seq = @connection.pk_and_sequence_for('pg_uuids')
+    assert_equal 'id', pk
+    assert_equal nil, seq
+  end
+
+  def test_schema_dumper_for_uuid_primary_key
+    schema = StringIO.new
+    ActiveRecord::SchemaDumper.dump(@connection, schema)
+    assert_match /\bcreate_table "pg_uuids", id: :uuid\b/, schema.string
+  end
 end
 
 class PostgresqlUUIDTestNilDefault < ActiveRecord::TestCase