On 2022-Sep-16, David Rowley wrote:
> I kinda disagree with Alvaro's fix in 05fb5d661. I think indexlist is
> the place to store these details. That commit added the following
> comment:
>
> /*
> * Ignore partitioned indexes, since they are not usable for
> * queries.
> */
>
> But neither are hypothetical indexes either, yet they're added to
> RelOptInfo.indexlist.
>
> I think the patch should be changed so that the existing list is used
> and we find another fix for the problems Alvaro fixed in 05fb5d661.
> Unfortunately, there was no discussion marked on that commit message,
> so it's not quite clear what the problem was. I'm unsure if there was
> anything other than CLUSTER that was broken.
After a bit of trawling through the archives, I found it here:
https://www.postgresql.org/message-id/20180124162006.pmapfiznhgngwtjf%40alvherre.pgsql
I think there was insufficient discussion and you're probably right that
it wasn't the best fix. I don't object to finding another fix.
--
Álvaro Herrera 48°01'N 7°57'E — https://www.EnterpriseDB.com/