Re: TOAST table created for partitioned tables

On Wed, Jan 17, 2018 at 1:03 AM, Amit Langote <amitlangote09(at)gmail(dot)com> wrote:
> On Wed, Jan 17, 2018 at 1:51 PM, Michael Paquier
> <michael(dot)paquier(at)gmail(dot)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.

I have committed your patch.

--
Robert Haas
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