Re: reindex concurrently and two toast indexes - Mailing list pgsql-hackers

On Tue, Feb 18, 2020 at 07:06:25AM +0100, Julien Rouhaud wrote:
> On Tue, Feb 18, 2020 at 6:30 AM Michael Paquier <michael@paquier.xyz> wrote:
>> Hmm.  There could be an argument here for skipping invalid toast
>> indexes within reindex_index(), because we are sure about having at
>> least one valid toast index at anytime, and these are not concerned
>> with CIC.
>
> Or even automatically drop any invalid index on toast relation in
> reindex_relation, since those can't be due to a failed CIC?

No, I don't like much outsmarting REINDEX with more index drops than
it needs to do.  And this would not take care of the case with REINDEX
INDEX done directly on a toast index.
--
Michael