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Re: pgsql: Ignore PlaceHolderVars when looking up statistics - Mailing list pgsql-hackers

From Robert Haas
Subject Re: pgsql: Ignore PlaceHolderVars when looking up statistics
Date
Msg-id CA+Tgmobgfvw4w9javDG_aR3EqQC9AYssWcuns7-m4qLx1AyG=w@mail.gmail.com
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Responses Re: pgsql: Ignore PlaceHolderVars when looking up statistics
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On Sun, Dec 28, 2025 at 9:45 PM Richard Guo <rguo@postgresql.org> wrote:
> Ignore PlaceHolderVars when looking up statistics
>
> Back-patch to v18.  Although this issue exists before that, changes in
> this version made it common enough to notice.  Given the lack of field
> reports for older versions, I am not back-patching further.

Generally we don't back-patch fixes that could change plans, because
it tends to produce user complaints. It's maybe more justifiable in
this case because v18 is quite new and you didn't back-patch to older
releases, but are we sure that it's warranted even there?

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

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