From: Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
To: Andres Freund <andres@anarazel.de>
Cc: pgsql-hackers@postgresql.org, Heikki Linnakangas <hlinnaka@iki.fi>
Cc: Doug Doole <ddoole@salesforce.com>
Subject: Re: WIP: Faster Expression Processing v4
Date: Fri, 10 Mar 2017 19:15:59 -0500
Message-ID: <c05c01e6-21e4-4ac2-7c8e-e20d4a342506@2ndquadrant.com> (raw)
In-Reply-To: <20170310194021.ek4bs4bl2khxkmll@alap3.anarazel.de>
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On 3/10/17 14:40, Andres Freund wrote:
> I'd really like to get it in. The performance improvements on its own
> are significant, and it provides the basis for significantly larger
> improvements again (JIT) - those followup improvements are large patches
> again though, so I'd rather not do all of that next cycle.
>
> My next step (over the weekend) is to add tests to execQual.c to get it
> a good chunk closer to 100% test coverage, and then do the same for the
> new implementation (there's probably very little additional tests needed
> after the conversion). Given all tests pass before/after, and there's a
> lot of them, I think we can have a reasonable confidence of a low bug
> density.
That seems like a plan, but now would probably be a good time for some
other hackers to take note of this proposal.
--
Peter Eisentraut http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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To: pgsql-hackers@postgresql.org
Cc: peter.eisentraut@2ndquadrant.com, andres@anarazel.de, hlinnaka@iki.fi, ddoole@salesforce.com
Subject: Re: WIP: Faster Expression Processing v4
In-Reply-To: <c05c01e6-21e4-4ac2-7c8e-e20d4a342506@2ndquadrant.com>
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