Re: Autovacuum of pg_database

Tom Lane wrote:
> Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> writes:
> > Tom Lane wrote:
> >> Actually, I realized after looking at it that the new wi_tableshared
> >> field is unnecessary in my patch. The only important part is that
> >> knowledge of relisshared be available when we're looking for conflicting
> >> workers, and that is entirely local in do_autovacuum(). I'd started the
> >> patch by adding wi_tableshared, on the expectation that it would be
> >> necessary, but it ain't ...
>
> > OK, if I understand you correctly then that is what my patch does -- the
> > "sharedrel" flag in my patch is only inside do_autovacuum. Do you
> > already have a test rig for this?
>
> I didn't attempt to replicate the problem report, if that's what you
> mean; I just tested it as far as running the regression tests.

OK. I'll do some more targeted testing later before pushing.

--
Álvaro Herrera http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services