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." -- Peter Geoghegan http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training and Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
