Re: 8.2.4 serious slowdown

2008/1/13, Sim Zacks <sim(at)compulab(dot)co(dot)il>:
> How would you rewrite something like:
> WHERE (COALESCE(b.quantity, 0) - COALESCE(b.deliveredsum, 0)) > 0;
> I could write:
> where case when b.quantity is null then 0 else b.quantity end - case when b.deliveredsum is null then 0 else b.deliveredsum end > 0
>
> It is butt ugly, but is that the most efficient way to write it in 8.2.4?

I don't know if the plan would be the same but this is a bit clearer:

WHERE COALESCE(b.quantity, 0) > COALESCE(b.deliveredsum, 0)

Regards, Clodoaldo Pinto Neto