Re: Strange interval arithmetic

[Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>]

Michael Fuhr <mike(at)fuhr(dot)org> writes:
> On Wed, Nov 30, 2005 at 12:37:40PM -0500, Tom Lane wrote:
>> Sure, send a patch ...

> Any preferences on an approach?  The simplest and easiest to verify
> would be to raise an error for just this particular case; a TODO
> item might be to change how the string is parsed to allow values
> larger than LONG_MAX.

I think the latter would be a feature enhancement and therefore not
good material to back-patch.  Just erroring out seems appropriate
for now.

> I see several calls to strtol() that aren't checked for overflow but
> that might not be relevant to this problem, so I'm thinking this patch
> ought not touch them.  Maybe that's another TODO item.

If it's possible for them to be given overflowing input, they probably
ought to be checked.

			regards, tom lane