/**
  * 
  * @param array $objectIds
  * @param int $groupId
  */
 public function populateObjects($objectIds, $groupId)
 {
     if (!is_array($objectIds)) {
         throw new Error(lang("empty group array"), null, null);
     }
     // Insert new rows
     $table = SharingTables::getTableName();
     $cols = array("group_id", "object_id");
     $rows = array();
     foreach ($objectIds as $oid) {
         $rows[] = array($groupId, $oid);
     }
     massiveInsert($table, $cols, $rows, 10000, " ON DUPLICATE KEY UPDATE " . $table . ".group_id=" . $table . ".group_id;");
     $rows = null;
 }