QueryCount::getUnionizedCount

static function getUnionizedCount(array $queries, $dataTypeId = null)
{
	foreach ($queries as $query)
	{
		self::prepare($query, $dataTypeId);
	}

	$query = array_pop($queries);
	foreach ($queries as $unionQuery)
	{
		$query->unionAll($unionQuery);
	}

	return self::exec($query, $dataTypeId);
}