/**
* @param string $sSql
* @return CGroup
*/
protected function getGroupBySql($sSql)
{
$oGroup = false;
if ($this->oConnection->Execute($sSql)) {
$oGroup = null;
$oRow = $this->oConnection->GetNextRecord();
if ($oRow) {
$oGroup = new CGroup();
$oGroup->InitByDbRow($oRow);
}
$this->oConnection->FreeResult();
}
$this->throwDbExceptionIfExist();
return $oGroup;
}