Joe Conway <mail@xxxxxxxxxxxxx> writes: > Tom Lane wrote: >> 1. Treat NULL rowid as a category in its own right. This would conform >> with the behavior of GROUP BY and DISTINCT, for instance. > In any case, the attached changes the behavior to #1 for both flavors of > crosstab (the original crosstab(text, int) and the usually more useful > crosstab(text, text)). > It is appropriate for 8.3 but not back-patching as it changes behavior > in a non-backward compatible way and is probably too invasive anyway. Um, if the previous code crashed in this case, why would you worry about being backward-compatible with it? You're effectively changing the behavior anyway, so you might as well make it do what you've decided is the right thing. regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 6: explain analyze is your friend