Interesting idea. This patch needs a rebase. On Thu, 17 Oct 2024 at 15:59, Shayon Mukherjee <shay...@gmail.com> wrote:
> > > On Oct 16, 2024, at 6:01 PM, Shayon Mukherjee <shay...@gmail.com> wrote: > > I'll take some time to think this through and familiarize myself with the > new systable_inplace_update_begin. In the meantime, aside from the in-place > updates on pg_index, I would love to learn any first impressions or > feedback on the patch folks may have. > > > My take away from whether or not an in-place update is needed on pg_index > [1] > > - It’s unclear to me why it’s needed. > - I understand the xmin would get incremented when > using CatalogTupleUpdate to update indisenabled. > - However, I haven’t been able to replicate any odd behavior locally or > CI. > - FWIW - REINDEX CONCURRENTLY (via index_swap), index_constraint_create > and few other places perform CatalogTupleUpdate to update the relevant > attributes as well. > > Based on the above summary and after my testing I would like to propose a > v3 of the patch. The only difference between this and v1 [2] is that the > update of pg_index row happens via CatalogTupleUpdate. > > [1] > https://www.postgresql.org/message-id/20180618215635.m5vrnxdxhxytv...@alap3.anarazel.de > [2] > https://www.postgresql.org/message-id/EF2313B8-A017-4869-9B7F-A24EDD8795DE%40gmail.com > > Thank you for bearing with me on this :D > Shayon > -- Regards, Rafia Sabih CYBERTEC PostgreSQL International GmbH