used_cache = False

        try:

            try:

                if not cacheable: raise KeyError

                actual_query, result = self.query_results[query_lookup]

                used_cache = True

            except KeyError:

                cur = self.DbCursor(self, cacheable)

                try: cur.execute(query, params)

                except Exception, e:

                    _add_cursor_info(e, cur)

                    raise

            else: cur = self.CacheCursor(actual_query, result)

        finally:

            if self.log_debug != log_debug_none: # only compute msg if needed

                if used_cache: cache_status = 'Cache hit'

                elif cacheable: cache_status = 'Cache miss'

                else: cache_status = 'Non-cacheable'

                self.log_debug(cache_status+': '+strings.one_line(cur.query))

        return cur