Re: dblink() from GridSQL
| От | Scott Mead |
|---|---|
| Тема | Re: dblink() from GridSQL |
| Дата | |
| Msg-id | BANLkTin=tfk_PNUUjJabfrDCWUx28yLg5A@mail.gmail.com обсуждение исходный текст |
| Ответ на | Re: dblink() from GridSQL (Merlin Moncure <mmoncure@gmail.com>) |
| Ответы |
Re: dblink() from GridSQL
|
| Список | pgsql-general |
On Thu, May 5, 2011 at 1:40 PM, Merlin Moncure <mmoncure@gmail.com> wrote:
On Thu, May 5, 2011 at 12:13 PM, Sam Nelson <samn@consistentstate.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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