ext/result.cc in swift-0.6.0 vs ext/result.cc in swift-0.6.1

@@ -210,10 +210,10 @@
   dbi::AbstractResultSet *result = result_handle(self);
   try {
     std::vector<string> result_fields = result->fields();
     VALUE fields = rb_ary_new();
     for (int i = 0; i < result_fields.size(); i++)
-      rb_ary_push(fields, rb_str_new2(result_fields[i].c_str()));
+      rb_ary_push(fields, ID2SYM(rb_intern(result_fields[i].c_str())));
     return fields;
   }
   CATCH_DBI_EXCEPTIONS();
 }