Re: dblink() from GridSQL

On Thu, May 5, 2011 at 1:40 PM, Merlin Moncure <mmoncure(at)gmail(dot)com> wrote:

> On Thu, May 5, 2011 at 12:13 PM, Sam Nelson <samn(at)consistentstate(dot)com>
> wrote:
> > Hi List,
> > We have a customer who is trying to migrate a few PostgresPlus instances
> to
> > GridSQL clusters. They have a process that pulls data from another
> server
> > using dblink every night, and we're trying to replicate that on the
> GridSQL
> > instance, but grid is being a bit of a pain.
> > Grid doesn't seem to allow functions in from statements, and, of course,
> it
> > spits out errors about functions returning records being called in the
> wrong
> > context if we just try "select dblink(foo, bar);" (we had to try it).
> > Has anyone else run into this specific issue?
>

GridSQL itself doesn't support functions.

> Is there a known workaround?
> > Any ideas on what else we should try?
>
>
You'd have to present the data to be partitioned to the gsql controller for
partitioning to happen properly, or use the high-speed import that it comes
with. Could you dump the data to an intermediary csv and then push it at
the import utility?

--Scott

> have you considered wrapping the output of the dblink query in a view?
>
> merlin
>
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