On Fri, 6 Feb 2009, James Dooley wrote:
> Richard, I was refereing to the plainto_tsquery
>
> Oleg, I only need colasque if any of those columns can be null, which is not
> the case here. Correct?
yes, but for safety and generality I'd use coalesce.
Regards,
Oleg
_____________________________________________________________
Oleg Bartunov, Research Scientist, Head of AstroNet (www.astronet.ru),
Sternberg Astronomical Institute, Moscow University, Russia
Internet: oleg@sai.msu.su, http://www.sai.msu.su/~megera/
phone: +007(495)939-16-83, +007(495)939-23-83