Re: unsigned types

On Sat, 2005-15-10 at 16:42 -0400, jeff sacksteder wrote:
> It occurs to me that I don't know how to define unsigned integer
> datatypes. I'm making a schema to describe network packets and I need
> columns to contain values from 0-255, etc.
>
> I can't seem to find any documentation on this. What's the best
> prectice for this situation?

You can use a signed type with a CHECK constraint to restrict the
column's value to positive integers.

-Neil