Bruce Momjian <br...@momjian.us> writes: > + Exclusion constraints ensure that if any two rows are compared on > + the specified columns or expressions using the specified operators, > + at least one of these operator comparisons will be false. The syntax is:
Isn't that phrasing outright incorrect? Consider nulls.
regards, tom lane
--
Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-hackers
