Posted by: newlynew May 3, 2010
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Here's an example. This should help.
Table:
Item Color Quantity
-------------------- -------------------- --------------------------
Table Blue 124
Table Red 223
Chair Blue 101
Chair Red 210
-------------------- -------------------- --------------------------
Table Blue 124
Table Red 223
Chair Blue 101
Chair Red 210
This query generates a subtotal report:
SELECT CASE WHEN (GROUPING(Item) = 1) THEN 'ALL'
ELSE ISNULL(Item, 'UNKNOWN')
END AS Item,
CASE WHEN (GROUPING(Color) = 1) THEN 'ALL'
ELSE ISNULL(Color, 'UNKNOWN')
END AS Color,
SUM(Quantity) AS QtySum
FROM Inventory
GROUP BY Item, Color WITH ROLLUP
Item Color QtySum
-------------------- -------------------- --------------------------
Chair Blue 101.00
Chair Red 210.00
Chair ALL 311.00
Table Blue 124.00
Table Red 223.00
Table ALL 347.00
ALL ALL 658.00
(7 row(s) affected)
ELSE ISNULL(Item, 'UNKNOWN')
END AS Item,
CASE WHEN (GROUPING(Color) = 1) THEN 'ALL'
ELSE ISNULL(Color, 'UNKNOWN')
END AS Color,
SUM(Quantity) AS QtySum
FROM Inventory
GROUP BY Item, Color WITH ROLLUP
Item Color QtySum
-------------------- -------------------- --------------------------
Chair Blue 101.00
Chair Red 210.00
Chair ALL 311.00
Table Blue 124.00
Table Red 223.00
Table ALL 347.00
ALL ALL 658.00
(7 row(s) affected)