On Sat, Sep 1, 2012 at 12:07 PM, David Johnston <pol...@yahoo.com> wrote: > These are not equivalent if some values of foo are not-null and you want the > sum of all non-null values while replacing any nulls with zero. So the > decision depends on what and why you are summing.
It comes to the same result with SUM though isn't it? ChrisA -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
