On 4/21/05, Enrico Weigelt <[EMAIL PROTECTED]> wrote: > * Tom Lane <[EMAIL PROTECTED]> wrote: > > <snip> > > Yeah, I was actually thinking about a two-step process: inline the > > function to produce somethig equivalent to a handwritten scalar > > sub-SELECT, and then try to convert sub-SELECTs into joins. > > ... back to my original question ... > > What kind of query should I use ? > Is a join better than a function ?
It appears that JOINs are usually faster. So if performance is an important issue, go with JOIN (and VIEWs probably). Functions are nicer (in terms off look and feel). Regards, Dawid ---------------------------(end of broadcast)--------------------------- TIP 7: don't forget to increase your free space map settings