> Jan Wieck wrote:
> > > The hard limit is certainly no more than 64K, since we store these
> > > numbers in half of an atttypmod. In practice I suspect the limit may
> > > be less; Jan would be more likely to remember...
> >
> > It is arbitrary of course. I don't recall completely, have to
> > dig into the code, but there might be some side effect when
> > mucking with it.
> >
> > The NUMERIC code increases the actual internal precision when
> > doing multiply and divide, what happens a gazillion times
> > when doing higher functions like trigonometry. I think there
> > was some connection between the max precision and how high
> > this internal precision can grow, so increasing the precision
> > might affect the computational performance of such higher
> > functions significantly.
>
> Oh, interesting, maybe we should just leave it alone.
So are we going to just fix the docs?
--
Tatsuo Ishii