On fre, 2010-11-12 at 09:44 -0500, Tom Lane wrote: > But I'm still not convinced that this feature is useful enough to > justify the implementation effort. AFAICS there's nothing here that > you couldn't get with some non-default operators on regular arrays,
Unique constraints would behave differently for arrays and multisets. But I suppose you could get something similar with exclusion constraints nowadays. But not for primary keys. Foreign keys also don't work easily with nondefault operators. JOIN / USING doesn't work. ORDER BY would work but look ugly. And such coding where you'd have to remember the nondefault operator everywhere would also be error prone. -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
