Re: Performance

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От Alfred Perlstein
Тема Re: Performance
Дата
Msg-id 20000516091407.I20000@fw.wintelcom.net
обсуждение исходный текст
Ответ на Re: Performance  (Dustin Sallings <dustin@spy.net>)
Ответы Re: Performance  (Dustin Sallings <dustin@spy.net>)
Список pgsql-general
> # At 04:56 PM 5/15/00, Diego Schvartzman wrote:
> # >I have an application via PHP. For example, a SELECT query that must return
> # >one and only one row, with a where clause with and index (I droped it and
> # >created again) that took about 3 seconds (v6.5.3), now (v7.0.0) takes about
> # >15 seconds. Really I don't lnow what is happening. Same hardware, same php
> # >version, etc etc.
> # >

* Dustin Sallings <dustin@spy.net> [000516 02:26] wrote:
> On Mon, 15 May 2000, Charles Tassell wrote:
>
>     I ran into this exact problem, and it was *very* significant on a
> 15M row table I have.  :)  It didn't seem to want to use the index, even
> freshly created, without a vacuum analyze.

grrrr....

FOR THE LAST TIME, THESE BUG REPORTS ARE PRETTY MUCH **USELESS**
TO THE DEVELOPERS UNLESS YOU GIVE:

THE TABLE STRUCTURE,
THE QUERY, AND
THE OUTPUT OF 'EXPLAIN'

Just because someone is a database guru doesn't mean they are also
clairvoyant. :)

thanks,
-Alfred

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