2010/1/25 Tom Lane <tgl@sss.pgh.pa.us>:
> Pavel Stehule <pavel.stehule@gmail.com> writes:
>> 2010/1/25 Peter Eisentraut <peter_e@gmx.net>:
>>> 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.
>
>> when you define list as text domain, then this the name is correct.
>
> IOW, if you define away the problem then there's no problem?
>
> I agree that "list" is a terrible choice of name here. "string_agg"
> seemed reasonable and in keeping with the standardized "array_agg".
actualised patch - the name is string_agg
regards
Pavel Stehule
>
> regards, tom lane
>