By using db<>fiddle, you agree to license everything you submit by Creative Commons CC0.
create table CampaignPoints
(
UserId int,
CampaignId int,
CountryId int,
Points int
);
insert into CampaignPoints (UserId, CampaignId, CountryId, Points) values
(10, 1, 101, 72),
( 3, 1, 101, 30),
( 6, 1, 101, 72),
( 4, 1, 101, 49),
( 1, 1, 101, 53),
( 8, 1, 101, 67),
( 5, 1, 101, 6),
( 7, 1, 101, 87),
( 2, 1, 101, 41),
(11, 1, 101, 76),
( 9, 1, 101, 50);
select * from CampaignPoints;
| UserId | CampaignId | CountryId | Points |
|---|---|---|---|
| 10 | 1 | 101 | 72 |
| 3 | 1 | 101 | 30 |
| 6 | 1 | 101 | 72 |
| 4 | 1 | 101 | 49 |
| 1 | 1 | 101 | 53 |
| 8 | 1 | 101 | 67 |
| 5 | 1 | 101 | 6 |
| 7 | 1 | 101 | 87 |
| 2 | 1 | 101 | 41 |
| 11 | 1 | 101 | 76 |
| 9 | 1 | 101 | 50 |
declare @userId int = 8;
declare @before int = 2;
declare @after int = 2;
with cte_rank as
(
select cp.UserId,
cp.CampaignId,
cp.CountryId,
cp.Points,
rank() over(order by cp.Points desc) as RowRank
from CampaignPoints cp
)
select cr2.*
from cte_rank cr
join cte_rank cr2
on cr2.RowRank >= cr.RowRank - @before
and cr2.RowRank <= cr.RowRank + @after
where cr.UserId = @userId
order by cr2.RowRank;
| UserId | CampaignId | CountryId | Points | RowRank |
|---|---|---|---|---|
| 10 | 1 | 101 | 72 | 3 |
| 6 | 1 | 101 | 72 | 3 |
| 8 | 1 | 101 | 67 | 5 |
| 1 | 1 | 101 | 53 | 6 |
| 9 | 1 | 101 | 50 | 7 |