On May 23, 2012, at 10:35 AM, Robert Haas wrote: >> "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.
It does rather seem to be a mistake to say that they can be used with arrays when they cannot. Or can they in some other way I haven’t noticed? David -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers