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From: Robert Haas <[email protected]>
To: Tom Lane <[email protected]>
Cc: PostgreSQL Hackers <[email protected]>
Subject: Re: pg_plan_advice
Date: Wed, 18 Mar 2026 18:57:59 -0400
Message-ID: <CA+TgmoY46SyAp8VgFD9hVxz+yNdfxKm_Xy=yUO3t9YMQs541mw@mail.gmail.com> (raw)
In-Reply-To: <[email protected]>
References: <CA+TgmoZ-Jh1T6QyWoCODMVQdhTUPYkaZjWztzP1En4=ZHoKPzw@mail.gmail.com>
	<CAKZiRmxtJAFG7e1+Vs9B8ngON=AOzJbuws+1ZeH4LsbJh5AzoQ@mail.gmail.com>
	<CA+TgmoY9Ne_Sh10u6LSPc3wvOQPLp3kF9nBp3nqJEG2JGF2QiA@mail.gmail.com>
	<CA+Tgmoa57S6mP=aTOXH2-gDAL4TMO1WbGgrHSg0s6J4zUH=04g@mail.gmail.com>
	<[email protected]>
	<CA+Tgmoaf__2B0BUL+vrg28P+3buX=Ti-kybqkHiLTtFrrCfzuA@mail.gmail.com>
	<CA+TgmoYpcLNOuypOTdgCSLW7FuA=t6BtB3meTARHX2-Dj_81xQ@mail.gmail.com>
	<[email protected]>
	<CA+TgmoZjv9OyFu1Gkt78w0vWEti8S33w8trYHmErf-GMmGSi=w@mail.gmail.com>
	<[email protected]>
	<CA+TgmoaOSBQD9Ux4eG40w723ZN=c0J7p-+oX4+J8urUeyLMo5w@mail.gmail.com>
	<CAOYmi+=g+MMoOpWkk2weXWKJcKH0eKey8gKHHdH0dF4Tiawrhw@mail.gmail.com>
	<CA+TgmobwaT=PXPDDrgDup+jA8KHBbkxigtziD-zNzAKKkQYVgQ@mail.gmail.com>
	<CAOYmi+mOmEW=amDRQMfw6-Fb3ZmDEQFaJzwk8Bc8W8DzaP85XQ@mail.gmail.com>
	<CA+TgmoaX2AMW4cdFM3OngBJxmxpkdmzF33R7-CWhvRLfucbFMg@mail.gmail.com>
	<CA+TgmoaKhuD91RnazbRyGkmP7--JdNq8oNDC3UcgTZSWbMxC7w@mail.gmail.com>
	<CAP53Pkw5-wMEeDJXFmqo_RTyL_spzCXb7HHKrbSnQqokVoZcNQ@mail.gmail.com>
	<CA+Tgmob-69bzbdi3U_QtebqAf6u1y8js=5=oNK639csVe1VbhA@mail.gmail.com>
	<CA+TgmoaZMOikxK=LqS+Jn+835h9S139JLGk-3LyETVXw5W5j=w@mail.gmail.com>
	<[email protected]>
	<CAP53PkwZ1ZTMARKg6iEfAw9qzBhkjBitj-9gr_Jvy7k2AwGgWA@mail.gmail.com>
	<CAMbWs4--NuEUFE_xTo991TRXaZryE29jarJPDnVxoaQOYdt7tA@mail.gmail.com>
	<CA+TgmobzR+XMGbRosVPbjHbSo4+cgJn=qZK6w05aF1sbj=C+9Q@mail.gmail.com>
	<CA+TgmoawzvCoZAwFS85tE5+c8vBkqgcS8ZstQ_ohjXQ9wGT9sw@mail.gmail.com>
	<CA+TgmoYS4ZCVAF2jTce=bMP0Oq_db_srocR4cZyO0OBp9oUoGg@mail.gmail.com>
	<CAK98qZ2RzbgCHrSg4zLkvpzyBam_X6te-KF8w1+_vON9BAVMEw@mail.gmail.com>
	<CA+TgmoaCdsuvNn6T6SfQ_0YD2Hh2+hgTXh9fTGHQhPg1zvy2rQ@mail.gmail.com>
	<CA+Tgmob7ozJAs5SU6bD2RfAt4w_AmsMGz-aaVA6WeLXHkBypOg@mail.gmail.com>
	<CA+TgmoYjcBA6dw3nwiyfDzPXTCrxTZPXDMrc2TrDJcL1cPK6iA@mail.gmail.com>
	<CA+Tgmoau7yJtvbeH-0kPt1Q=Gt_ezRdgM35Q1=LT665U_86Etg@mail.gmail.com>
	<[email protected]>
	<CA+TgmoZLPif34wgRunPpJYD_AFf5ob0PB+8b7rOmokiMwSqxuQ@mail.gmail.com>
	<[email protected]>
	<CA+TgmoaaS8kwX6S9+x_0j9iMox6dbRQrfCzdiy48xUmF5HRmmA@mail.gmail.com>
	<[email protected]>

On Wed, Mar 18, 2026 at 6:43 PM Tom Lane <[email protected]> wrote:
> Well, avocet is producing the output you want, but I think the rest
> are behaving correctly given the way the script is written.

Yeah, this goes back to my "that's embarrassing" comment: obviously, I
really did not proofread this well at all.

> Anyway, I confirm that the patched output is stable with
> debug_discard_caches = 1, so LGTM.

Yeah, I also tested that here. Glad it works that way for you also.

-- 
Robert Haas
EDB: http://www.enterprisedb.com





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