Simon Riggs <[EMAIL PROTECTED]> writes: > On Mon, 2006-01-16 at 12:36 -0500, Tom Lane wrote: >> The tricky part is to preserve the existing guarantee that tuples are >> merged into their aggregate in arrival order.
> You almost had me there... but there isn't any "arrival order". The fact that it's not in the spec doesn't mean we don't support it. Here are a couple of threads on the subject: http://archives.postgresql.org/pgsql-general/2005-11/msg00304.php http://archives.postgresql.org/pgsql-sql/2003-06/msg00135.php Per the second message, this has worked since 7.4, and it was requested fairly often before that. > Should we support something that has worked by luck? No luck about it, and yes people are depending on it. You don't get to break it just because it's not in the spec. regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 3: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faq
