Result of the order request by list of values

存储架构 2017-11-15

I'm working on a sql query that is passed a list of values as a parameter, like

select *
from ProductGroups
where GroupID in (24,12,7,14,65)

This list is constructed of relations used througout the database, and must be kept in this order.

I would like to order the results by this list. I only need the first result, but it could be the one with GroupId 7 in this case.

I can't query like

order by (24,12,7,14,65).indexOf(GroupId)

Does anyone know how to do this?

Additional info:

Building a join works and running it in the mssql query editor, but...

Due to limitiations of the software sending the query to mssql, I have to pass it to some internal query builder as 1 parameter, thus "24,12,7,14,65". And I don't know upfront how many numbers there will be in this list, could be 2, could be 20.

Use a table variable or temporary table with an identity column, feed in your values and join to that, e.g.

declare @rank table (
    ordering int identity(1,1)
    , number int

insert into @rank values (24)
insert into @rank values (12)
insert into @rank values (7)
insert into @rank values (14)
insert into @rank values (65)

select  pg.*
from    ProductGroups pg
left outer join
    @rank r
on  pg.GroupId = r.number
order by


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