$sql->get_row($query, $sample_regions[$i]);
 }
 $sql->send_query($lock_jobs_query, TRUE);
 for ($i = 0; $i < sizeof($samples_to_process); $i++) {
     if ($delete_files_from_disk) {
         //make a processing job for the sample--this will allow us to delete all temprary data later on.
         $job = new ns_processing_job();
         $job->id = 0;
         $job->maintenance_task = $ns_maintenance_tasks['ns_maintenance_delete_files_from_disk_request'];
         $job->time_submited = ns_current_time();
         for ($d = 0; $d < sizeof($file_deletion_job->operations); $d++) {
             $job->operations[$d] = 0;
         }
         if ($delete_sample_images != '') {
             $job->sample_id = $samples_to_process[$i];
             $job->save_to_db($sql);
             //  ns_delete_sample_from_database($samples_to_process[$i],$sql);
         } else {
             if ($clear_region != '') {
                 for ($b = 0; $b < sizeof($sample_regions[$i]); $b++) {
                     $file_deletion_job = clone $job;
                     $file_deletion_job->region_id = $sample_regions[$i][$b][0];
                     $file_deletion_job->save_to_db($sql);
                     ns_delete_region_from_database($sample_regions[$i][$b][0], $sql);
                 }
             } else {
                 throw new ns_ex("Unknown error!");
             }
         }
     }
 }
function ns_delete_images_from_database($experiment_id, $sample_id, $region_id, $image_id, $sql)
{
    global $ns_maintenance_tasks;
    global $ns_maintenance_flags;
    $job = new ns_processing_job();
    $job->maintenance_task = $ns_maintenance_tasks['ns_maintenance_delete_images_from_database'];
    $job->experiment_id = $experiment_id;
    $job->sample_id = $sample_id;
    $job->region_id = $region_id;
    $job->image_id = $image_id;
    $job->urgent = 2;
    $job->time_submitted = ns_current_time();
    if ($experiment_id == 0 && $sample_id == 0 && $region_id != 0 && $image_id == 0) {
        //	die("WHOOP!");
        $job->maintenance_flag = $ns_maintenance_flags['ns_delete_entire_sample_region'];
    }
    $job->save_to_db($sql);
    ns_update_job_queue($sql);
}