| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Nathan Bossart <nathandbossart(at)gmail(dot)com> |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Julien Rouhaud <rjuju123(at)gmail(dot)com>, Michael Paquier <michael(at)paquier(dot)xyz>, "Bossart, Nathan" <bossartn(at)amazon(dot)com>, Fujii Masao <masao(dot)fujii(at)oss(dot)nttdata(dot)com>, "wangsh(dot)fnst(at)fujitsu(dot)com" <wangsh(dot)fnst(at)fujitsu(dot)com>, Bharath Rupireddy <bharath(dot)rupireddyforpostgres(at)gmail(dot)com>, Greg Sabino Mullane <htamfids(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, "pgsql-hackers(at)lists(dot)postgresql(dot)org" <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: make MaxBackends available in _PG_init |
| Date: | 2022-04-12 17:44:27 |
| Message-ID: | 20220412174427.sngj2uexzsttazs2@alap3.anarazel.de |
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| Lists: | pgsql-hackers |
Hi,
On 2022-04-11 14:14:35 -0700, Nathan Bossart wrote:
> On Mon, Apr 11, 2022 at 01:44:42PM -0700, Nathan Bossart wrote:
> > On Mon, Apr 11, 2022 at 04:36:36PM -0400, Robert Haas wrote:
> >> If we throw an error while defining_custom_guc is true, how will it
> >> ever again become false?
> >
> > Ah, I knew I was forgetting something this morning.
> >
> > It won't, but the only place it is presently needed is when loading
> > shared_preload_libraries, so I believe startup will fail anyway. However,
> > I can see defining_custom_guc being used elsewhere, so that is probably not
> > good enough. Another approach could be to add a static
> > set_config_option_internal() function with a boolean argument to indicate
> > whether it is being used while defining a custom GUC. I'll adjust 0003
> > with that approach unless a better idea prevails.
>
> Here's a new patch set. I've only changed 0003 as described above. My
> apologies for the unnecessary round trip.
ISTM we shouldn't apply 0002, 0003 to master before we've branches 15 off..
Greetings,
Andres Freund
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