Re: [Postgres-xc-general] Will all new PG's contrib module be automatically supported by XC?

Thanks Aris for very productive comments.

Yes, we need to annotate in the reference "what is specific to XC", not only for contrib modules, but for SQL syntax.   It may need some of core member's resource.    Please let me think about the schedule of this action.

Best;
---
Koichi

On Fri, 31 Aug 2012 09:03:33 +0700
Aris Setyawan <ari...@gm...> wrote:

> Thank's for the quick response.
> 
> @Michael
> > The Postgres modules can be used natively, pgadmin, dblink, pgbench, etc.
> > However, there might be differences due to the cluster nature of XC though.
> > For example, in the case of dblink, you can connect to a Coordinator or a Datanode, but in the case of a read query, you will get global results if connected to a Coordinator and only partial results if you do it on a Datanode, if what you are reading is related to a distributed table.
> 
> From the case of dblink that you have been explained, XC's work
> transparently in the case of distribute or split the query to
> datanode[s] and then merge them back.
> 
> @Koichi & Michael
> I think, what we should need to note in the documentation, are about
> the charateristic of each contrib when use with XC. I can help, but
> just not yet.
> 
> On 8/31/12, Koichi Suzuki <ko...@in...> wrote:
> > Description will be found in the reference manual.   Please visit
> > http://postgres-xc.sourceforge.net/docs/1_0/
> >
> > If there's any conflicts, I'll appreciate if you post such report.
> >
> > Best regards;
> > ---
> > Koichi Suzuki
> >
> > On Fri, 31 Aug 2012 09:49:22 +0900
> > Michael Paquier <mic...@gm...> wrote:
> >
> >> On Fri, Aug 31, 2012 at 9:25 AM, Aris Setyawan <ari...@gm...>
> >> wrote:
> >>
> >> > Hi,
> >> >
> >> > Will all "new" PG's contrib module be automatically supported by XC?
> >> > Or we still need a workaround to make it work with XC?
> >> >
> >> > Some of new contribs module are from pgxn.
> >> >
> >> The Postgres modules can be used natively, pgadmin, dblink, pgbench, etc.
> >> However, there might be differences due to the cluster nature of XC
> >> though.
> >> For example, in the case of dblink, you can connect to a Coordinator or a
> >> Datanode, but in the case of a read query, you will get global results if
> >> connected to a Coordinator and only partial results if you do it on a
> >> Datanode, if what you are reading is related to a distributed table.
> >> --
> >> Michael Paquier
> >> http://michael.otacoo.com
> >
>