Re: Simple join optimized badly? - Mailing list pgsql-performance

From Joshua D. Drake
Subject Re: Simple join optimized badly?
Date
Msg-id 452BACE2.5010700@commandprompt.com
Whole thread Raw
In response to Re: Simple join optimized badly?  ("Jim C. Nasby" <jim@nasby.net>)
List pgsql-performance
Jim C. Nasby wrote:
> On Mon, Oct 09, 2006 at 03:41:09PM -0700, Joshua D. Drake wrote:
>>> One of the big problems with doing set enable_...=off is that there's no
>>> way to embed that into something like a view, so you're almost forced
>>> into putting into the application code itself, which makes matters even
>>> worse. If you could hint this within a query (maybe even on a per-table
>>> level), you could at least encapsulate that into a view.
>> You can easily pass multiple statements within a single exec() or push
>> it into an SPF.
>
> Unless I'm missing something, putting multiple statements in a single
> exec means you're messing with the application code. And you can't
> update a SRF (also means messing with the application code). Though, I
> suppose you could update a view that pulled from an SRF...

I always think of application code as outside the db. I was thinking
more in layers.

Joshua D. Drake



--

   === The PostgreSQL Company: Command Prompt, Inc. ===
Sales/Support: +1.503.667.4564 || 24x7/Emergency: +1.800.492.2240
   Providing the most comprehensive  PostgreSQL solutions since 1997
             http://www.commandprompt.com/



pgsql-performance by date:

Previous
From: "Jim C. Nasby"
Date:
Subject: Re: Simple join optimized badly?
Next
From: "Joshua D. Drake"
Date:
Subject: Re: Simple join optimized badly?