Re: BUG #16045: vacuum_db crash and illegal memory alloc afterpg_upgrade from PG11 to PG12

On Tue, Oct 15, 2019 at 02:18:17AM +0200, Tomas Vondra wrote:
> On Mon, Oct 14, 2019 at 06:35:38PM +0200, Tomas Vondra wrote:
> >...
> >
> >Aha! I forgot we copy the necessary stuff into pg_attribute. Thanks for
> >clarifying, I'll polish and push the fix shortly.

Perhaps it'd be worth creating a test for on-disk format ?

Like a table with a column for each core type, which is either SELECTed from
after pg_upgrade, or pg_dump output compared before and after.

Justin