$blocked[$results->fields['sector_id']] = 1;
        $results->MoveNext();
      }

      for($i=0; $i<$nump; $i++) {
        $n = rand(0,$sector_max-1);
        if($blocked[$n]) {
          $i--;
          continue;
        }
        if(!$i%500) {
          if($i) {
            $insert = substr_replace($insert, ";", -2);
            $BenchmarkTimer->pause();
            $results = $db->Execute($insert);
            $BenchmarkTimer->resume();
            if(!$results) {
         PrintFlush($db->ErrorMsg());
              print "<pre>";
              print_r($insert);
              PrintFlush("</pre>");
              die("DB error while placing planets");
            }
          }
          $insert = "INSERT INTO $dbtables[planets] (colonists,owner,corp,prod_ore,prod_organics,prod_goods,".
                    "prod_energy,prod_fighters,prod_torp,sector_id) VALUES\n";
        }
        $insert .= "(2,0,0,$default_prod_ore,$default_prod_organics,$default_prod_goods,".
                   "$default_prod_energy,$default_prod_fighters,$default_prod_torp,$n),\n";
      }
      $insert = substr_replace($insert, ";", -2);