| From: | Nico Williams <nico(at)cryptonector(dot)com> |
|---|---|
| To: | Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at> |
| Cc: | Merlin Moncure <mmoncure(at)gmail(dot)com>, "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>, Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com>, Olleg Samoylov <splarv(at)ya(dot)ru>, "pgsql-generallists(dot)postgresql(dot)org" <pgsql-general(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Interesting case of IMMUTABLE significantly hurting performance |
| Date: | 2025-04-11 05:30:38 |
| Message-ID: | Z/io/n/EQkzbBK2L@ubby |
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| Thread: | |
| Lists: | pgsql-general |
On Fri, Apr 11, 2025 at 07:15:44AM +0200, Laurenz Albe wrote:
> On Thu, 2025-04-10 at 22:18 -0500, Merlin Moncure wrote:
> > Facts. This is black magic. This has come up over and over.
>
> Perhaps it would help to add the excellent information from the Wiki to the documentation:
> https://wiki.postgresql.org/wiki/Inlining_of_SQL_functions
Adding a warning in the functions _docs_ to check their various
attributes in the cataclog would suffice.
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