Craig Ringer <craig(at)postnewspapers(dot)com(dot)au> writes:
> There are constraint triggers:
> http://www.postgresql.org/docs/8.3/static/sql-createconstraint.html
> and I could use one to enforce the NOT NULL on the table as a whole (at
> an acceptable cost in this case). However, I've seen some posts like
> this one:
> http://archives.postgresql.org/pgsql-hackers/2005-01/msg00882.php
> that suggest that constraint triggers are or have been deprecated.
> However, their removal is no longer on the TODO as far as I can tell.
Yeah, there is no longer any thought of removing them.
regards, tom lane