| From: | Artur Zakirov <zaartur(at)gmail(dot)com> |
|---|---|
| To: | jian he <jian(dot)universality(at)gmail(dot)com> |
| Cc: | Alexander Korotkov <aekorotkov(at)gmail(dot)com>, Andrei Lepikhov <lepihov(at)gmail(dot)com>, Alexander Lakhin <exclusion(at)gmail(dot)com>, Pavel Borisov <pashkin(dot)elfe(at)gmail(dot)com>, Teodor Sigaev <teodor(at)sigaev(dot)ru>, Pgsql Hackers <pgsql-hackers(at)postgresql(dot)org>, Aleksander Alekseev <aleksander(at)timescale(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Michael Paquier <michael(at)paquier(dot)xyz> |
| Subject: | Re: type cache cleanup improvements |
| Date: | 2024-10-15 13:16:07 |
| Message-ID: | CAKNkYnzFg5jpeEjsdYutqtCoJs9VD27mFtH1cPEb6OQzYti2Hg@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Tue, 15 Oct 2024 at 11:50, jian he <jian(dot)universality(at)gmail(dot)com> wrote:
> based on above information, i am still confused with
> cleanup_in_progress_typentries, in_progress_list_len
> is there any simple sql example to demo
> cleanup_in_progress_typentries, in_progress_list_len> 0.
AFAIK to reproduce cases when `in_progress_list_len > 0`
`lookup_type_cache()` should fail during its execution.
To do so you can call `lookup_type_cache()` with non-existing type_id
from a C function.
--
Kind regards,
Artur
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