Gaetano Mendola <mendola(at)bigfoot(dot)com> writes:
> about you is it ok for you if I write the email built in type ?
You're going to have to explain why it has to be a built-in type.
Can't you do what you want as a local add-on? Is it likely that
the functionality you have in mind would be exactly what anyone
else would want?
regards, tom lane