Store query result in variable - sql-server

Question

I have declared 6 variables in a stored procedure and I'd like to store a query result (which may bring up to 6 records) into each one of those variables. My query looks like this:
DECLARE
#Sib1 varchar(20),
#Sib2 varchar(20),
#Sib3 varchar(20),
#Sib4 varchar(20),
#Sib5 varchar(20),
#Sib6 varchar(20)
select
PC.SKU
from
Product PC
where
Parent_code in (select
Parent_code
from
Product
where
SKU =12345)
and ParentFlag <> 'p'
and SKU <> 12345
order by Parent_Child_Priority desc
I'd like to put each one of the resulting SKU in each #SIB variables. if it only returns 1 result, I'd like to put null values into the rest of the #SIB variables.
Thanks.

Answer 1

You could insert the SKU's into a table variable, with an identity column. Then set the variables equal to the sku in the table based on the identity columns value.
DECLARE #Sib1 VARCHAR(20)
,#Sib2 VARCHAR(20)
,#Sib3 VARCHAR(20)
,#Sib4 VARCHAR(20)
,#Sib5 VARCHAR(20)
,#Sib6 VARCHAR(20);
DECLARE #TempTbl TABLE (
RowID INT IDENTITY
,SKU VARCHAR(20)
)
INSERT INTO #TempTbl (SKU)
select
PC.SKU
from
Product PC
where
Parent_code in (select
Parent_code
from
Product
where
SKU =12345)
and ParentFlag <> 'p'
and SKU <> 12345
order by Parent_Child_Priority desc
SELECT #Sib1 = SKU
FROM #TempTbl
WHERE RowID = 1;
SELECT #Sib2 = SKU
FROM #TempTbl
WHERE RowID = 2;
SELECT #Sib3 = SKU
FROM #TempTbl
WHERE RowID = 3;
SELECT #Sib4 = SKU
FROM #TempTbl
WHERE RowID = 4;
SELECT #Sib5 = SKU
FROM #TempTbl
WHERE RowID = 5;
SELECT #Sib6 = SKU
FROM #TempTbl
WHERE RowID = 6;
EDIT
DECLARE #SQL VARCHAR(MAX);
SET #SQL = 'SELECT SKU, ..., sum(convert(INT, a.qty)) AS ' + #sib1 + ' FROM ...'
EXEC (#SQL);

Answer 2

Rather use a table variable like
DECLARE #MyTableVar table(
SKU int NOT NULL);
Then insert into it
insert into #MyTableVar(SKU)
select
PC.SKU
from
Product PC
where
Parent_code in (select
Parent_code
from
Product
where
SKU =12345)
and ParentFlag <> 'p'
and SKU <> 12345
order by Parent_Child_Priority desc;
Now you can use that #MyTableVar as you need. You don't need to declare N variable for N records.