On Tue, May 1, 2012 at 10:15 AM, bradford <fingermark(at)gmail(dot)com> wrote:
> I'm trying to used what I learned in
> http://www.depesz.com/2010/01/03/waiting-for-8-5-exclusion-constraints/,
> but I cannot figure out how to apply this exclusion constraint to col1
> (integer) + col2 (varchar).
Take a look at Btree_gist index:
http://www.postgresql.org/docs/9.1/static/btree-gist.html
I think this is the part that your missing.
--
Regards,
Richard Broersma Jr.