On 7/31/07, Michael Fuhr <[EMAIL PROTECTED]> wrote: > > On Tue, Jul 31, 2007 at 10:35:25AM +1200, adey wrote: > > -- CAUTION: this query may impact system performance as you are > selecting > > from system tables > > What difference are you expecting that to make and why?
It was a warning I received some years ago when I riginally discovered the query. Presumably reading from system tables competes with user queries for the system tables, slowing them down. I can't say I've ever noticed any impact when using it though. -- > Michael Fuhr >