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));

Marko Tiikkaja

Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org)
To make changes to your subscription:

Reply via email to