Re: planner not choosing fastest estimated plan

From: Jeff Janes <jeff(dot)janes(at)gmail(dot)com>
To: Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>
Cc: pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: planner not choosing fastest estimated plan
Date: 2013-07-06 18:11:06
Message-ID: CAMkU=1w1HZjGkcrCTrMiN+D78XoXxHMjVs5wMvSsibLM_KpDmQ@mail.gmail.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers

On Sat, Jul 6, 2013 at 10:52 AM, Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> wrote:
> Hello
>
> pls, can you send EXPLAIN ANALYZE result?

Sure. I've put them on depesz. (I don't know how useful it will be,
as I'm worried about the internal inconsistency rather than the actual
run time):

enable_seqscan=on
http://explain.depesz.com/s/8GF

enable_seqscan=off
http://explain.depesz.com/s/51V

Cheers,

Jeff

In response to

Browse pgsql-hackers by date

  From Date Subject
Next Message Tom Lane 2013-07-06 18:23:59 Re: Run-time posix_fallocate failures
Previous Message Szymon Guz 2013-07-06 18:10:45 Re: [PATCH] Fix conversion for Decimal arguments in plpython functions