Isn't "EXTRACT(dow FROM day) IN (0,6)" always true thus making select return a row every time?
On 11/10/07, rihad <[EMAIL PROTECTED]> wrote: > > I've been reading the online docs, but... code like this somehow ends up > in an indefinite loop: > > CREATE OR REPLACE FUNCTION foo() RETURNS int AS $$ > DECLARE > timeout int; > day date; > BEGIN > day := current_date + 1; > LOOP > SELECT date+1 INTO day FROM days WHERE date=day OR EXTRACT(dow > FROM day) IN (0,6); > EXIT WHEN NOT FOUND; > timeout := timeout + 86400; > END LOOP; > END; $$ LANGUAGE plpgsql; > > It's Saturday at our place, and the "days" table has only one record for > tomorrow's date. > > I hope it's been a very very long day for me :-) Thank you for your help. > > ---------------------------(end of broadcast)--------------------------- > TIP 6: explain analyze is your friend >
