From: | Rodrigo Gonzalez <rjgonzale(at)estrads(dot)com(dot)ar> |
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To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Michael Nolan <htfoot(at)gmail(dot)com>, "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com>, pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: What Would You Like To Do? |
Date: | 2011-09-13 20:02:29 |
Message-ID: | 4E6FB6D5.1080007@estrads.com.ar |
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Lists: | pgsql-hackers |
On 09/13/2011 04:52 PM, Tom Lane wrote:
> Rodrigo Gonzalez<rjgonzale(at)estrads(dot)com(dot)ar> writes:
>>> In a perfect world, it would be nice if one could do combined queries
>>> linking a PostgreSQL database with an Oracle one, or a MySQL one,
>> Can't you do that with FDW that is present in 9.1?
> FDW provides the structure within which that will eventually be
> possible, but there's no Oracle or MySQL wrapper today ... and there are
> a lot of FDW restrictions that need to be worked on, too.
>
> regards, tom lane
>
They are both listed at wiki
I know there are a lot of limitations....but OP message says "Even
something that is several hundred times slower is going to be faster
than merging the databases together. When I do this today, I have to
write a program (in perl or php) that accesses both databases and merges
it by hand."
Am I wrong that this is currently possible using FDW?
Thanks
Rodrigo Gonzalez
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