On Wed, Jan 17, 2018 at 1:51 PM, Michael Paquier <michael.paqu...@gmail.com> wrote: > On Tue, Jan 16, 2018 at 11:38:58PM -0500, Tom Lane wrote: >> Yeah, pg_upgrade already has to cope with cases where the newer version >> thinks a table needs a toast table when the older version didn't, or >> vice versa. This looks like it ought to fall into that category. >> Not that testing it wouldn't be a good idea. > > As far as I can see this statement is true. If you create a parent > partition table in a v10 cluster, and then upgrade to HEAD with this > patch applied, you'll be able to notice that the relation still has its > toast table present, while newly-created parent partitions would have > nothing. (Just tested, I didn't review the patch in details).
Thanks for checking. I too checked that pg_upgrading v10 cluster containing partitioned tables that have a TOAST table attached to it works normally and like Michael says, the TOAST table remains. Thanks, Amit
