On Wed, Dec 16, 2009 at 1:36 AM, Pavel Stehule <pavel.steh...@gmail.com> wrote: >>> b) function listagg (it is analogy of group_concat from MySQL) - it >>> should simplify report generating and some other >> >> This is redundant, as it's equivalent to array_to_string(array_agg()). > > when I implement it in orafce - the almost all code was parameters > checking. Implementation is trivial, because important part of work > was done with array_agg support. It is wrapper over stringInfo. > >> >> If it's done as syntactic sugar over that, it's fine. If it's a >> separate implementation, it's a bad idea. Probably best as an >> optional module of some kind > > I am not sure if implementation as syntactic sugar is best. It needs > parser changes.
I don't think this is important enough to change the parser for it. I don't see a concrete proposal for syntax here, but it seems like the standard function call syntax should be adequate. ...Robert -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
