Simon Riggs <[EMAIL PROTECTED]> writes: > The SQL window functions seem to require an ordering for most of their > operations.
AFAICS, the entire concept of a "window" implies the input is ordered in some way; what operations would they provide that don't require this? > It is possible that that could be provided by a sort node in > the execution plan. Either sort or indexscan, but you'd certainly need one or the other. regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 4: Don't 'kill -9' the postmaster