In the last episode (Oct 27), sinisa@stripped said:
> Dan Nelson writes:
> > In the last episode (Oct 27), sinisa@stripped said:
> > >
> > > select floor(pow(2,63));
> > >
> > > returning negative result of -9223372036854775808.
> >
> > Mysql should either return some kind of error, or keep the result in
> > double format internally, or use fixed-point math..
>
> Yes, for X/OPen it is double, for ANSI SQL it is integer. Which one is
> more relevant for MySQL ????
Dunno. Does ANSI SQL specify that the application must store the
number in a machine integral type? What's wrong with using a double
internally if the number doesn't fit in a longlong? For what it's
worth, the largest power that Oracle can process correctly is 2^132.
Past that it starts losing precision, but still works.
--
Dan Nelson
dnelson@stripped
