SELECT x.url, 'single' type, count(x.id)
FROM (
select d.url, p.id, p.parent_id, count(p2.id) children from sales_channel_domain d
join sales_channel sc on d.sales_channel_id = sc.id
join product_visibility pv on pv.sales_channel_id = sc.id
join product p on p.id = pv.product_id
left outer join product p2 on p.id = p2.parent_id
where sc.active = 1
group by d.url, p.id, p.parent_id
)x
WHERE x.parent_id is null and x.children < 1
group by x.url

union all

SELECT x.url, 'main' type, count(x.id)
FROM (
select d.url, p.id, p.parent_id, count(p2.id) children from sales_channel_domain d
join sales_channel sc on d.sales_channel_id = sc.id
join product_visibility pv on pv.sales_channel_id = sc.id
join product p on p.id = pv.product_id
left outer join product p2 on p.id = p2.parent_id
where sc.active = 1
group by d.url, p.id, p.parent_id
)x
WHERE x.parent_id is null and x.children > 0
group by x.url

union all

SELECT x.url, 'variant' type, count(x.id)
FROM (
select d.url, p2.id, p2.parent_id, 0 children from sales_channel_domain d
join sales_channel sc on d.sales_channel_id = sc.id
join product_visibility pv on pv.sales_channel_id = sc.id
join product p on p.id = pv.product_id
left outer join product p2 on p.id = p2.parent_id
where sc.active = 1
)x
group by x.url