On Thu, Dec 4, 2025 at 12:50 PM Michael Paquier <[email protected]> wrote: > > On Wed, Dec 03, 2025 at 09:11:03AM -0500, Greg Burd wrote: > > On Dec 2 2025, at 11:16 pm, Michael Paquier <[email protected]> wrote: > > I've looked in the email archives a bit and didn't come up with much > > related to catalog upgrades. I don't know if there is much on the > > record information on this idea, but from what I've been told the idea > > of decoupling heap from catalogs with the goal of getting closer to > > making online upgrades possible has been referenced a few times in > > hallway tracks at various conferences. > > John Naylor has been looking at this problem at some point, if I > recall correctly. Adding him in CC here for comments and opinions, or > perhaps I am just wrong in assuming that he has looked at this area.
Hmm, I think the decoupling on-disk format from in-memory format was most directly relevant for the idea of changing the "name" type from a fixed length type, to a domain over text. Catalog manipulation as speculated for online upgrades could probably operate on the values/nulls array. -- John Naylor Amazon Web Services
