1 files changed, 7 insertions, 0 deletions
diff --git a/activerecord/test/cases/adapters/mysql2/connection_test.rb b/activerecord/test/cases/adapters/mysql2/connection_test.rb
index 507d024bb6..8fabcfb5c0 100644
--- a/activerecord/test/cases/adapters/mysql2/connection_test.rb
+++ b/activerecord/test/cases/adapters/mysql2/connection_test.rb
@@ -83,6 +83,13 @@ class Mysql2ConnectionTest < ActiveRecord::Mysql2TestCase
       assert_equal [['']], result.rows
     end
   end
+  
+  def test_passing_arbitary_flags_to_adapter
+    run_without_connection do |orig_connection|             
+      ActiveRecord::Base.establish_connection(orig_connection.merge({flags: Mysql2::Client::COMPRESS}))
+      assert_equal (Mysql2::Client::COMPRESS |  Mysql2::Client::FOUND_ROWS), ActiveRecord::Base.connection.raw_connection.query_options[:flags]
+    end
+  end
 
   def test_mysql_strict_mode_specified_default
     run_without_connection do |orig_connection|