Charles Holleran, 28.09.2010 12:21:
> A nice string concatenation aggregator in pg would be nice. Is there
> one in 8.4? I've been using array_agg but it's not quite the same.
In 8.4 you can simply combine array_to_string() and and array_agg():
In 9.0 you can use string_agg()
Thomas