On Mon, 2005-04-04 at 12:16 +0200, Michael L. Hostbaek wrote:
> I've got a problem selecting some specific data from my table. Imagine
> the following rows:
>
> part | mfg | qty | price | eta
> ---------------------------------------
> TEST1 ABC 10 100 (No ETA, as item is in stock)
> TEST1 ABC 12 120 04/04
> TEST2 CBA 17 10 05/05
> TEST2 CBA 10 20 (No ETA, as item is in stock)
>
> I'd like my selection to produce the following result:
>
> part | mfg | qty | qty incoming | highest price | eta
> -------------------------------------------------------------
> TEST1 ABC 10 12 120 04/04
> TEST2 CBA 10 17 20 05/05
>
> Any clues on how to do this ? I kow the group by part, mfg, max(price) -
> but I do not know how to deal with the splitting up qty and stock qty
> and incoming qty.
use CASE. for example, something like:
select part,mfg,
sum(CASE WHEN eta is NULL then qty ELSE 0 END) as qty,
sum(CASE WHEN eta is NULL then 0 ELSE qty END) as "qty incoming",
max(price) as "highest price",
min(eta) as eta
group by part,mfg;
gnari
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