SELECT s.ticketFk,
		ic.name,
		CAST(SUM(sv.weight) AS DECIMAL(10,2)) `weight`,
		CAST(SUM(sv.volume) AS DECIMAL(10,3)) volume
	FROM sale s
		JOIN saleVolume sv ON sv.saleFk = s.id
		JOIN item i ON i.id = s.itemFk
		JOIN itemType it ON it.id = i.typeFk
		JOIN itemCategory ic ON ic.id = it.categoryFk
	WHERE sv.ticketFk = ?
	GROUP BY ic.id