Stuck on SSRS insert stored proc - tsql

Question

I have created a update tool in SSRS that writes holiday details to the specified data base. This has been created by using an insert stored procedure as the dataset in the report. Everything works fine as long as i only want to specify single dates. Ideally though i need get this to do a date range. I have the following columns that are needed:
HolidayDate|StaffCode|HolidayType|FTE
I know this would be best done in .net or something similar but that's a little outside my skill set. What i need is a multi-paramater stored proc that will create a record for each date based on selecting a date range in SSRS. Standard SSRS report would be easy, a simple BETWEEN #DATE AND #DATE But i can't figure out a way of putting that into my set up and i'm getting frustrated.
Hope i've not been too vague.

Answer 1

The crux of the matter here is you really need to be able to get a list of dates between start/end date.
Keeping it simple, let's say you have report parameters #StartDate, #EndDate and #StaffCode, with values of 01-Jan-2013, 05-Jan-2013 and Staff1 respectively.
Your SP will have three corresponding parameters - based on these we can build a list of days for that StaffCode in the SP.
Here's one way of doing it:
create procedure MySP
(
#StartDate date
, #EndDate date
, #StaffCode varchar(10)
) as
with dates as
(
select HolidayDate = #startDate
union all
select HolidayDate = dateadd(dd, 1, HolidayDate)
from dates
where dateadd(dd, 1, HolidayDate) <= #EndDate
)
insert into HolidayDates
select HolidayDate, StaffCode = #StaffCode
from dates;
So this inserts a row for each date from #StartDate to #EndDate.
This is just one example, and I used a recursive CTE to make the dates set - if you had a calendar or numbers table you could just use this instead; there are numerous examples out there.
Another approach is just build up a set based with a loop based on the date parameters:
create procedure MySP
(
#StartDate date
, #EndDate date
, #StaffCode varchar(10)
) as
declare #Dates table (HolidayDate date)
while (#StartDate <= #EndDate)
begin
insert into #Dates select #StartDate
select #StartDate = dateadd(dd, 1, #StartDate)
end
insert into HolidayDates
select HolidayDate, StaffCode = #StaffCode
from #Dates;
You've said yourself this isn't an ideal workflow - SSRS isn't really a data entry mechanism, but there's no reason why the above shouldn't work in most cases.