CTaskRestService::getAllowedAggregateCombos

static function getAllowedAggregateCombos(array $functions, array $columns)
{
	$result = array();

	if(is_array($functions) && !empty($functions) && is_array($columns) && !empty($columns))
	{
		$functions = array_unique($functions);
		$columns = array_unique($columns);

		foreach($functions as $func)
		{
			foreach($columns as $col)
			{
				$result[] = ToUpper($col).'_'.ToUpper($func);
			}
		}
	}

	return $result;
}