Actually I just checked and the plan is exactly the same for those 2 clauses. -------- Original Message -------- Subject: Re:8.2.4 serious slowdown From: Sim Zacks <sim@xxxxxxxxxxxxxx> To: Date: Sunday, January 13, 2008 07:59:22 AM > 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? > > Sim > ---------------------------(end of broadcast)--------------------------- TIP 2: Don't 'kill -9' the postmaster
