From: Joshua D. Drake <jd@commandprompt.com>
To: Jim C. Nasby <jim@nasby.net>
Cc: Tobias Brox <tobias@nordicbet.com>
Cc: Chris Browne <cbbrowne@acm.org>
Cc: pgsql-performance@postgresql.org
Subject: Re: Simple join optimized badly?
Date: Tue, 10 Oct 2006 07:23:30 -0700
Message-ID: <452BACE2.5010700@commandprompt.com> (raw)
In-Reply-To: <20061010140222.GA72517@nasby.net>
References: <20061009213303.GA19144@oppetid.no>
<20061009223030.GW72517@nasby.net>
<452AD005.1090101@commandprompt.com>
<20061010140222.GA72517@nasby.net>
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
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To: pgsql-performance@postgresql.org
Cc: jd@commandprompt.com, jim@nasby.net, tobias@nordicbet.com, cbbrowne@acm.org
Subject: Re: Simple join optimized badly?
In-Reply-To: <452BACE2.5010700@commandprompt.com>
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