/** * runs a query and returns the result * * @param string $query query to run * @param resource $link mysql link resource * @param integer $options query options * @param bool $cache_affected_rows whether to cache affected row * * @return mixed */ public function tryQuery($query, $link = null, $options = 0, $cache_affected_rows = true) { if (empty($link)) { if (isset($GLOBALS['userlink'])) { $link = $GLOBALS['userlink']; } else { return false; } } if ($GLOBALS['cfg']['DBG']['sql']) { $time = microtime(true); } $result = $this->_extension->realQuery($query, $link, $options); if ($cache_affected_rows) { $GLOBALS['cached_affected_rows'] = $this->affectedRows($link, false); } if ($GLOBALS['cfg']['DBG']['sql']) { $time = microtime(true) - $time; $this->_dbgQuery($query, $link, $result, $time); } if ($result != false && PMA_Tracker::isActive() == true) { PMA_Tracker::handleQuery($query); } return $result; }