pg_plan_advice: Plan Stability and User Planner Control for PostgreSQL?

I'm proposing a very ambitious patch set for PostgreSQL 19. Only time will tell whether it ends up in the release, but I can't resist using this space to give you a short demonstration of what it can do. The patch set introduces three new contrib modules, currently called pg_plan_advice , pg_collect_advice , and pg_stash_advice . Read more »