Adrian Klaver <aklaver@xxxxxxxxxxx> writes: > On Tuesday 26 February 2008 8:39 pm, Tom Lane wrote: >> date_trunc('week', ...) would probably be a more convenient way of doing >> that. > I am not sure I follow. The OP has a ISO week number and a year and wants > dates. I thought date_trunc('field',source) requires a timestamp or interval > as its source. Oh, you are right ... I misread the question :-( regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match