I want to get all the records from a table (no grouping) and order them first by a date range and then within that range order them by another column. For example, I have a table called Events:
ID | Date | Latitude
--------------------------------------------------------
1 | 12-01-2008 | 6
2 | 12-04-2008 | 4
3 | 12-05-2008 | 12
4 | 12-02-2008 | 4
So in this example I run the query on 12-5-2008 and would like the date range to be every two days, and the second 'order by' item to be the latitude. So the output would be:
ID | Date | Latitude
--------------------------------------------------------
2 | 12-04-2008 | 4
3 | 12-05-2008 | 12
4 | 12-02-2008 | 4
1 | 12-01-2008 | 6
ID 2 and 3 are within the last 2 days, so 2 comes before 3 (since I'm also ordering on Lat). The next date range is day 3 and 4, so ID 4 comes since it is the only item in that range, etc...
Thanks a ton for any help.
Dan
1 2315 ck9663 2,878
Recognized Expert Specialist
Use CASE on your ORDER BY.
Try this: - set nocount on
-
-
declare @rundate smalldatetime
-
declare @yourtable table (id int, date smalldatetime, latitude int)
-
-
-
insert into @yourtable values(1 , '12-01-2008' , 6)
-
insert into @yourtable values(2 , '12-04-2008' , 4)
-
insert into @yourtable values(3 , '12-05-2008' , 12)
-
insert into @yourtable values(4 , '12-02-2008' , 4)
-
-
set @rundate = '12-05-2008'
-
-
select *
-
from @yourtable
-
order by
-
case
-
when datediff(dd,date, @rundate) <= 2 then
-
-
else 1
-
end asc, latitude
Happy coding!
-- CK
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