Horton

Re: Rewrite, normal execution vs. EXPLAIN ANALYZE

Marko Tiikkaja <marko.tiikkaja@cs.helsinki.fi>

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From: Marko Tiikkaja <marko.tiikkaja@cs.helsinki.fi>
To: Alvaro Herrera <alvherre@commandprompt.com>
Cc: David Fetter <david@fetter.org>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2010-07-23T22:24:01Z
Lists: pgsql-hackers 
On 7/24/10 1:20 AM +0300, Alvaro Herrera wrote:
> Excerpts from Marko Tiikkaja's message of vie jul 23 17:44:21 -0400 2010:
>> wCTEs are not going to be based on any of the broken behaviour of rules,
>> that's for sure.  What I meant is expanding a single query into multiple
>> queries and running the executor separately for all of them.
>
> Is a wCTE going to be expanded into multiple queries?
>
> If not, it sounds like we're all agreed.

Yes, it will have to be.  I tried to make it work for 9.0 by not 
expanding, and it didn't work out too well.


Regards,
Marko Tiikkaja