Loop

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Hi,

I have a loop of the form:

	FOR rec IN SELECT code FROM staff WHERE shiftgroup = NEW.groupe ORDER  
BY code LOOP
		WHILE sdate <= NEW.todate LOOP
			SELECT INTO starty,endy,nday resumetime,closetime,nextday FROM  
shifts WHERE shift = NEW.shift;
			restime := sdate + starty;

			IF nday = true THEN
				clstime := sdate + interval '1 day' + endy;
			ELSE
				clstime := sdate + endy;
			END IF;

			INSERT INTO shiftsexp(id,staff,resumetime,closetime)  
VALUES(NEW.id,rec.code,restime,clstime);
			sdate := sdate + interval '1 day';
		END LOOP;
	END LOOP;

Surprisingly, the outer loop (For .. Loop) does not loop while only  
the WHILE ... Loop works.

Any hint would be appreciated.

Regards,
Chris.

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