/**
* Строит ORDER BY часть запроса
* @internal
* @param ISelectBuilder|IDeleteBuilder|IUpdateBuilder $query
* @return string
*/
private function buildOrderByPart($query)
{
$conditions = $query->getOrderConditions();
if (!count($conditions)) {
return '';
}
$result = [];
foreach ($conditions as $column => $direction) {
$result[] = $this->quoteIdentifier($column) . ' ' . strtoupper($direction);
}
return "\nORDER BY " . implode(", ", $result);
}
