On Dec 31, 2003, at 7:20 PM, Chris Travers wrote:
> This concept of using complex types in tables actually does have one
> legitimate use. When used with casts and functions, you could use it
> as a
> "poor-man's datatype" development method.
>
> Here is a hypothetical example. Imagine for a moment that there was
> no CIDR
> datatype. I could create a datatype as a set of ints and then create
> casting functions which I could use for display of the data. This
> would be
> similar to C except that it could be done by people like myself whose C
> coding skills are not up to the level where I or anyone else would
> want them
> in the database backend ;-)
This is a situation where PostgreSQL's CREATE DOMAIN, or CREATE TYPE
support would be useful, I think. Is there a reason these wouldn't work
as well as using a "table type"?
Happy New Year!
Michael Glaesemann
grzm myrealbox com