Nextras\Orm\Mapper\Dbal\QueryBuilderHelper::processMultiColumn PHP Метод

    private function processMultiColumn(IStorageReflection $sourceReflection, array $primaryKey, $value, $sourceAlias)
    {
        $pair = [];
        foreach ($primaryKey as $column) {
            $column = $sourceReflection->convertEntityToStorageKey($column);
            $pair[] = "[{$sourceAlias}.{$column}]";
        }
        if (!isset($value[0][0])) {
            $value = [$value];
        }
        return ['(' . implode(', ', $pair) . ')', $value];
    }