Re: Special-case executor expression steps for common combinations

From: Daniel Gustafsson <daniel(at)yesql(dot)se>
To: Andreas Karlsson <andreas(at)proxel(dot)se>
Cc: PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Andres Freund <andres(at)anarazel(dot)de>
Subject: Re: Special-case executor expression steps for common combinations
Date: 2025-03-09 22:35:40
Message-ID: 215AB65E-6B6F-4357-966D-339DAE6CEAB8@yesql.se
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> On 8 Mar 2025, at 17:15, Andreas Karlsson <andreas(at)proxel(dot)se> wrote:
>
> On 2/5/25 11:00 AM, Daniel Gustafsson wrote:
>> This fell off the ever-growing TODO again. Re-reading it I still think it's a
>> good idea, it applied almost cleanly still and still gives a slight performance
>> improvement along with the more interesting refactoring which will make caching
>> of expressions easier down the line.
>> Attached is a rebased v4, unless there are objections I'll go ahead with this
>> version.
>
> +1 Still seems like a nice change to me too.

Thanks, I actually had it staged to go in early next week.

--
Daniel Gustafsson

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