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