DealWork::prepareHistoryQuery

static function prepareHistoryQuery($startDate, $endDate, $groupByDate = true)
{
	$query = new Query(DealStageHistoryTable::getEntity());
	$query->addSelect('OWNER_ID');
	$query->addFilter('=IS_LOST', false);
	$query->addFilter('>=CREATED_DATE', $startDate);
	$query->addFilter('<=CREATED_DATE', $endDate);
	$query->addGroup('OWNER_ID');

	if($groupByDate)
	{
		$query->addSelect('CREATED_DATE', 'DATE');
		$query->addGroup('CREATED_DATE');
		$query->addOrder('CREATED_DATE', 'ASC');
	}

	return $query;
}