Re: pg_cron for vacuum - dynamic table set

On Thu, Feb 3, 2022 at 2:29 PM saket bansal <saket(dot)tcs(at)gmail(dot)com> wrote:

> Hi, I am trying to schedule pg_cron to generate a set of commands and then
> run them. E.g select 'vacuum freeze '||table_name from
> inventory_for_vacuum \gexec . This works well at command line, but when
> scheduled in pg_cron, it fails with syntax error ERROR: syntax error at
> or near "\" .
>

Right, because you don't get to use psql meta-commands if you are not using
psql.

>
> Since vacuum doesn't work inside a transaction block ERROR: VACUUM cannot
> run inside a transaction block, I cannot use a function directly to run
> over a loop.
> Any guidance to make it work or an alternative?
>

Have a pg_cron job that dynamically creates other pg_cron jobs that only
run once?

David J.