On Fri, Jul 13, 2012 at 9:51 AM, Craig Ringer <craig@xxxxxxxxxxxxxxxxxxxxx> wrote: > ... but it feels like there must be a smarter way. Well, may be kind of (h1 - h2), (h2 - h1) and derivatives will make sense? -- Sergey Konoplev a database architect, software developer at PostgreSQL-Consulting.com http://www.postgresql-consulting.com Jabber: gray.ru@xxxxxxxxx Skype: gray-hemp Phone: +79160686204 -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
