Re: Autovacuum vacuums not setting start time in pg_stat_activity

Tom Lane wrote:
> "Jim Nasby" <jim.nasby@enterprisedb.com> writes:
> > This is on a 8.2.3 database; vacuums started by autovacuum don't get
> > their query_start time set.
>
> Hmm.  Query_start is actually defined as "time of last client command
> receipt", so it's null just like client_addr/port are.  Not sure if
> there's anything we should put there that's more meaningful than the
> backend start time.

Let's put the current command (vacuum/analyze) start time in there.
Backend start time, I assume, is the time at which the current autovac
iteration was started.

Should this be backpatched if changed in 8.3?

--
Alvaro Herrera                          Developer, http://www.PostgreSQL.org/
"El hombre nunca sabe de lo que es capaz hasta que lo intenta" (C. Dickens)