adding test for the symbol refs

activerecord/test/cases/finder_test.rb

@@ -31,6 +31,13 @@ def test_find
     assert_equal(topics(:first).title, Topic.find(1).title)
   end
 
+  def test_symbols_table_ref
+    Post.first # warm up
+    x = Symbol.all_symbols.count
+    Post.where("title" => {"xxxqqqq" => "bar"})
+    assert_equal x, Symbol.all_symbols.count
+  end
+
   # find should handle strings that come from URLs
   # (example: Category.find(params[:id]))
   def test_find_with_string