Re: Concatenate results of a single column query

>
>
> Marco Lazzeri <marcomail(at)noze(dot)it> writes:
>
> > SELECT
> > p.name, ARRAY(SELECT nicknames FROM people WHERE people.id = p.id)
> > FROM people AS p
>
> > Any suggestions?
>
> Something like:
>
> db=> create aggregate array_aggregate (basetype = integer, sfunc = array_append, stype = integer[], initcond = '{}');
> CREATE AGGREGATE
>
> db=> select array_aggregate(id) from tab;
> array_aggregate
> ------------------------------------------------------------------------------------------------------------------------------------------------------------
> {1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,28,29,30,31,32,33,34,36,37,38,39,40,41,42,43,27,26,44,45,46,47,48,49,50,51,52,53,54,35}
> (1 row)
>
> --
> greg
>
>
Interesting feature, but I cannot find function array_append:
ERROR: AggregateCreate: function array_append(integer[], integer) does not exist

TIA

Regards, Christoph