Mike Nolan <nolan@gw.tssi.com> writes:
> You can't cast a variable char type to a numeric, though apparently
> you can cast text to numeric. (I'd be curious to know why one but not
> the other.)
Lack of the necessary entries in pg_cast. I can't think of any
particularly good reason why they're not there, so I have added them in
CVS tip.
regards, tom lane