"Bruno Wolff III" <[EMAIL PROTECTED]> writes:

> Also what value should I have used in a coalesce to guaranty still getting
> the maximum?

I would expect coalesce(coalesce(greatest(a,b),a),b) to do what you want. It's
not terribly legible though and if a and b are subselects I would worry a
little about the optimizer rerunning them unnecessarily.

Perhaps coalesce(greatest(a,b), coalesce(a,b)) is more legible?

-- 
  Gregory Stark
  EnterpriseDB          http://www.enterprisedb.com


---------------------------(end of broadcast)---------------------------
TIP 1: if posting/reading through Usenet, please send an appropriate
       subscribe-nomail command to [EMAIL PROTECTED] so that your
       message can get through to the mailing list cleanly

Reply via email to