Re: Logging queries executed by SPI_execute

út 4. 2. 2025 v 5:09 odesílatel Marcelo Fernandes <marcefern7(at)gmail(dot)com>
napsal:

> On Mon, Feb 3, 2025 at 6:46 PM Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>
> wrote:
> > The queries executed by SPI are never executed on the top level. These
> queries are marked as nested.
> >
> > So you need to use auto_explain
> https://www.postgresql.org/docs/current/auto-explain.html with active
> auto_explain.log_nested_statements
>
> Thanks Pavel, I have tried that but however couldn't succeed.
>
> I have added this to my postgres.conf file:
>
> session_preload_libraries = 'auto_explain'
> auto_explain.log_nested_statements = true
>

you are missing setting auto_explain.log_min_duration

>
> After running pg_repack, which calls SPI_execute* functions, I can't
> really see
> those functions being propagated to the logs.
>
> I have a workaround in place, which is to add elog calls such as
>
> elog(LOG, "...")
>
> to capture the queries. But of course, ideally a postgres.conf setting
> would be
> more handy.
>
> Best,
> Marcelo
>