Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
>> I think it's time to bite the bullet and put in a lookahead filter.
>> What say you?
> Hmmm. Not real excited about that for performance reasons. Other options?
It's been in there for a month. I'll bet lunch you will be unable to
measure any performance cost --- one extra function call and if-test
per token lexed is just not going to show on the radar screen.
regards, tom lane