Re: Review: listagg aggregate

Peter Eisentraut <peter_e@gmx.net>

From: Peter Eisentraut <peter_e@gmx.net>
To: Scott Bailey <artacus@comcast.net>
Cc: "pgsql-hackers@postgresql.org Hackers" <pgsql-hackers@postgresql.org>
Date: 2010-01-25T10:09:33Z
Lists: pgsql-hackers
On sön, 2010-01-24 at 21:29 -0800, Scott Bailey wrote:
> I think listagg or string_agg would be the most appropriate names. Oh 
> and before Oracle had wm_concat, Tom Kyte wrote a function called
> stragg that was pretty popular.

Well,

xmlagg -> concatenates values to form xml datum
array_agg -> concatenates values to form array datum
??? -> concatenates values to form string datum

So it's pretty clear that listagg does not fit into this scheme.