pg.ddx.io  pgsql-performance@postgresql.org mailing list archive  
help / color / mirror / Atom feed
From: Tom Lane <tgl@sss.pgh.pa.us>
To: david@lang.hm
Cc: Guillaume Smet <guillaume.smet@gmail.com>
Cc: Alvaro Herrera <alvherre@commandprompt.com>
Cc: Scott Carey <scott@richrelevance.com>
Cc: bricklen <bricklen@gmail.com>
Cc: Scott Marlowe <scott.marlowe@gmail.com>
Cc: Merlin Moncure <mmoncure@gmail.com>
Cc: pgsql-performance@postgresql.org <pgsql-performance@postgresql.org>
Subject: Re: Poor plan choice in prepared statement
Date: Thu, 01 Jan 2009 15:24:12 -0500
Message-ID: <10355.1230841452@sss.pgh.pa.us> (raw)
In-Reply-To: <alpine.DEB.1.10.0901011239140.15026@asgard.lang.hm>
References: <33b743250812301059u31ce82faw3d72a38280b37402@mail.gmail.com>
	<b42b73150812301142w4483978ahfb819b0313150dbb@mail.gmail.com>
	<BDFBB77C9E07BE4A984DAAE981D19F961ACD5F388E@EXVMBX018-1.exch018.msoutlookonline.net>
	<2796.1230678149@sss.pgh.pa.us>
	<20081231160118.GE3809@alvh.no-ip.org>
	<1d4e0c10901011022v4a1d5eeaidc2692a7729e79df@mail.gmail.com>
	<alpine.DEB.1.10.0901011222190.15026@asgard.lang.hm>
	<1d4e0c10901011129w443a096apac00c9d106669604@mail.gmail.com>
	<alpine.DEB.1.10.0901011239140.15026@asgard.lang.hm>

david@lang.hm writes:
> the poster who started this thread had a query where the parsing phase 
> took significantly longer than the planning stage.

That was an anecdote utterly unsupported by evidence.

			regards, tom lane



view thread (20+ messages)  latest in thread

Message-ID: <10355.1230841452@sss.pgh.pa.us>
Permalink:  ../10355.1230841452@sss.pgh.pa.us/
Also on:    postgresql.org/message-id/10355.1230841452@sss.pgh.pa.us

 · 

reply

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Reply to all the recipients using the --to and --cc options:
  reply via email

  To: pgsql-performance@postgresql.org
  Cc: tgl@sss.pgh.pa.us, david@lang.hm, guillaume.smet@gmail.com, alvherre@commandprompt.com, scott@richrelevance.com, bricklen@gmail.com, scott.marlowe@gmail.com, mmoncure@gmail.com
  Subject: Re: Poor plan choice in prepared statement
  In-Reply-To: <10355.1230841452@sss.pgh.pa.us>

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox