On 5/21/10 11:47 PM +0300, Jeff Davis wrote:
It also allows you to enforce the constraint that only one tuple exists in a table by doing something like:create table a ( i int, exclude using gist (i with<>), unique (i) );
FWIW, this is achievable a lot more easily: CREATE UNIQUE INDEX "a_single_row" ON a ((1)); Regards, Marko Tiikkaja -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
