Re: [HACKERS] Bug in LIKE ?

On Mon, 7 Jun 1999, Tom Lane wrote:

> Daniele Orlandi <daniele(at)orlandi(dot)com> writes:
> > Uhm.... I think the problem is a little worse:
>
> It's a real bug, and I see the problem: someone changed the handling of
> LIKE prefixes in gram.y, without understanding quite what they were
> doing. 6.4.2 has:
>
> if (n->val.val.str[pos] == '\\' ||
> n->val.val.str[pos] == '%')
> pos++;
>
> where 6.5 has:
>
> if (n->val.val.str[pos] == '\\' ||
> n->val.val.str[pos+1] == '%')
> pos++;
>
> The first one is right and the second is not.
>
> Unless we fix this, LIKE will be completely busted for any string
> containing non-leading %. Shall I ... ?

Please do...looking through the logs, any idea who changed this one? *gets
out billy club* *grin*

Marc G. Fournier ICQ#7615664 IRC Nick: Scrappy
Systems Administrator @ hub.org
primary: scrappy(at)hub(dot)org secondary: scrappy(at){freebsd|postgresql}.org