Peter Eisentraut <[EMAIL PROTECTED]> writes: > On Friday 28 November 2008 18:49:17 Tom Lane wrote: >> The problem I see with distinct types is that the typing is *too* >> strong --- the datatype has in fact got no usable operations whatever.
> You are supposed to define your own. It's a new type after all. You only > borrow the representation from an existing one. And the I/O functions ... and you still need enough access to the type to write useful operators for it. Which is not an issue too much at the C-code level but it sure is at SQL level. So this seems to me to be a nice conceptual idea but it's still not clear that it works well in practice. 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