Re: WIP: Upper planner pathification

From: Greg Stark <stark(at)mit(dot)edu>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Robert Haas <robertmhaas(at)gmail(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: WIP: Upper planner pathification
Date: 2016-03-05 18:32:58
Message-ID: CAM-w4HPo5mJUGC9E5U2CZZYbGb_i-BV86kaCXwEakv6+PMVTKg@mail.gmail.com
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On Sat, Mar 5, 2016 at 6:09 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> There might be some other things we could do to provide a fast-path for
> particularly trivial cases. But on the whole I think this plot shows that
> there's no systematic problem, and indeed not really a lot of change at
> all.

Amazing data.

What query is that lone data point that took 8ms instead of 6ms to
plan in both charts (assuming it's the same data point)?

--
greg

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