Re: Any better plan for this query?.. - Mailing list pgsql-performance

From Andres Freund
Subject Re: Any better plan for this query?..
Date
Msg-id 4A092891.90100@anarazel.de
Whole thread Raw
In response to Re: Any better plan for this query?..  (Dimitri <dimitrik.fr@gmail.com>)
Responses Re: Any better plan for this query?..  (Alvaro Herrera <alvherre@commandprompt.com>)
List pgsql-performance
Hi,

On 05/12/2009 12:46 AM, Dimitri wrote:
> So, why I don't use prepare here: let's say I'm testing the worst
> stress case :-)  Imagine you have thousands of such kind of queries -
> you cannot prepare all of them! :-)  or you'll maybe prepare it once,
> but as I showed previously in this thread prepare statement itself
> takes 16ms, so for a single shot there is no gain! :-)
I have a hard time imaging a high throughput OLTP workload with that
many different queries ;-)

Naturally it would still be nice to be good in this not optimal workload...

Andres

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