Save/default parameters for SSRS

The following link is a rather useful way to save parameters and recall by user in SSRS.

Handling multi value parameters from SSRS in a stored procedure

Actually quite easy, using this function :

CREATE FUNCTION [dbo].[fn_SplitIN]
/* This function is used to split up multi-value parameters */
(
@ItemList VARCHAR(4000),
@delimiter CHAR(1)
)
/* ========================================================================
fn_SplitIN

Function to return a table for joining for a multi valued parameter from SSRS

How to use :

SELECT cols
FROM mytab
WHERE cols IN (SELECT Item FROM fn_SplitIN(@multiValueParam,','))

===========================================================================
Version Date Author Comment
------- ---- ------ -------
v0.00 23/03/2009 Brian Jones Initial Version
=========================================================================== */

RETURNS @IDTable TABLE (Item VARCHAR(50))
AS
BEGIN
DECLARE @tempItemList VARCHAR(4000)

SET @tempItemList = @ItemList

DECLARE @i INT
DECLARE @Item NVARCHAR(4000)

SET @tempItemList = REPLACE (@tempItemList, @delimiter + ' ',@delimiter)
SET @i = CHARINDEX(@delimiter, @tempItemList)

WHILE (LEN(@tempItemList) > 0)
BEGIN
IF @i = 0
SET @Item = @tempItemList
ELSE
SET @Item = LEFT(@tempItemList, @i - 1)

INSERT INTO @IDTable(Item) VALUES(@Item)

IF @i = 0
SET @tempItemList = ''
ELSE
SET @tempItemList = RIGHT(@tempItemList, LEN(@tempItemList) - @i)

SET @i = CHARINDEX(@delimiter, @tempItemList)
END

RETURN
END

Conditional Where Clauses

Excellect article by Erland Sommarskog about the various ways of doing SQL conditional where clauses. What sets this apart is that Erland has comparative performance figures, showing what way is best. Also kept up to date.