On Wed, May 23, 2012 at 1:34 PM, Peter Geoghegan <pe...@2ndquadrant.com> wrote: > On 13 May 2012 23:45, Robert Haas <robertmh...@gmail.com> wrote: >> Hmm, it looks like GIN can't support exclusive constraints because >> amgettuple support is required, and unfortunately that got remove for >> GIN in this commit: >> >> commit ff301d6e690bb5581502ea3d8591a1600fd87acc > > That seems very unfortunate, given that the 9.0 release notes say: > > "Exclusion constraints generalize uniqueness constraints by allowing > arbitrary comparison operators, not just equality....This is useful > for time periods and other ranges, as well as arrays."
I objected to it at the time, but lost the argument. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers