Re: array_agg and array_accum (patch)

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 <pgsql@j-davis.com> 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
>
>
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