In my gripe/suggestion here:
http://archives.postgresql.org/pgsql-hackers/2008-12/msg00642.php
I noted that it might be nice to handle check constraints over
composite types. It turns out that table check constraints are not
enforced during casts:
postgres=# create table foo(f1 int, f2 int, check(f1 != f2));
postgres=# select (1,1)::foo; row
-------(1,1)
(1 row)
Should the be? I've been thinking about how to marry tables and
composite types.
merlin
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