<?php 
$query = mysql_query('select * FROM mappoint_objects 
WHERE objects = "'. mysql_real_escape_string($_GET['objects']).'"') or die('error getting points!');
?>

$query = mysql_query("SELECT * FROM `mappoint_objects` WHERE `objects` = '".mysql_real_escape_string($_GET['object'])."'") or die('error getting points!');
if (mysql_num_rows($query))
{
           while($query_i=mysql_fetch_assoc($query))
           {
                      echo $query_i['objects'];
            }
}
else echo 'Таких объектов нет.';