> But if I read the OP correctly the sigma are in fact used additively in each > row in blah. "sigma_* = sigma_* +"
I apologize, but I omitted a CASE statement prior to each calculation of the values. The coefficients for each calculation change depending upon which case is valid. I could probably rewrite it using arrays and may, in fact, do so to eliminate the two added queries. Thank you for your input. -- Gary Chambers /* Nothing fancy and nothing Microsoft! */ -- Sent via pgsql-sql mailing list (pgsql-sql@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-sql
