It's worth noting that this is the third version of this idea that has been submitted. Ian Caulfield submitted a patch to add this, and so did I. Someone should probably look at all three of them and compare.
...Robert On Mon, Oct 27, 2008 at 1:41 PM, Jeff Davis <[EMAIL PROTECTED]> wrote: > On Mon, 2008-10-27 at 18:47 +0200, Peter Eisentraut wrote: >> How else will you tell an aggregate function whose result depends on the >> input order which order you want? The only aggregates defined in the >> standard where this matters are array_agg, array_accum, and xmlagg, but > > I don't see array_accum() in the standard, I wrote it just as an > alternative to array_agg() because I thought array_agg() ignored NULLs. > > Regards, > Jeff Davis > > > -- > Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) > To make changes to your subscription: > http://www.postgresql.org/mailpref/pgsql-hackers > -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
