public static function rowToItem($row, $itemName = null)
 {
     if (!$row) {
         return null;
     }
     if (!$itemName) {
         $itemName = Lms_Item::getCallingItemName();
     }
     Lms_Item::initStructure(Lms_Item::getClassName($itemName));
     $simplePk = Lms_Item::getSimplePk($itemName);
     $tableName = Lms_Item::getTableName($itemName);
     Lms_Item_Store::setValues($tableName, $row[$simplePk], $row, true);
     return Lms_Item::create($itemName, $row[$simplePk]);
 }
 private static function _fillData($tableName, $rows, $foreignKey)
 {
     $newScalarPKs = array();
     if (!count($rows)) {
         return $newScalarPKs;
     }
     $struct = Lms_Item_Store::getStruct($tableName);
     $pk = $struct->getPk();
     for ($i = count($rows) - 1; $i >= 0; $i--) {
         if (is_array($pk)) {
             $assocPK = array();
             foreach ($pk as $pkFieldName) {
                 $assocPK[$pkFieldName] = $rows[$i][$pkFieldName];
             }
             $scalarPk = Lms_Item_Scalar::scalarize($assocPK);
         } else {
             $scalarPk = $rows[$i][$pk];
         }
         $newScalarPKs[] = $scalarPk;
         Lms_Item_Store::setValues($tableName, $scalarPk, $rows[$i], true);
         if ($foreignKey && isset($rows[$i][$foreignKey])) {
             $indexKey = $rows[$i][$foreignKey];
             Lms_Item_Store::setIndexStatus($tableName, $foreignKey, $indexKey, Lms_Item_Struct::FULL_INDEX);
         }
     }
     Lms_Item_Store::rebuildIndex($tableName);
     return $newScalarPKs;
 }