SimpleMachines / SMF2.1

		// Temporary tables created in earlier queries are not explainable.

		if ($is_select_query)

		{

			foreach (array('log_topics_unread', 'topics_posted_in', 'tmp_log_search_topics', 'tmp_log_search_messages') as $tmp)

				if (strpos($select, $tmp) !== false)

				{

					$is_select_query = false;

					break;

				}

		}

		echo '

			// Temporary tables created in earlier queries are not explainable.

			if ($is_select)

			{

				foreach (array('log_topics_unread', 'topics_posted_in', 'tmp_log_search_topics', 'tmp_log_search_messages') as $tmp)

					if (strpos(trim($qq['q']), $tmp) !== false)

					{

						$is_select = false;

						break;

					}

			}

			// But actual creation of the temporary tables are.

			elseif (preg_match('~^CREATE TEMPORARY TABLE .+?SELECT .+$~s', trim($qq['q'])) != 0)