/**
* 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;
}
