On Thu, Jun 25, 2026 at 6:12 PM Tatsuro Yamada <[email protected]> wrote: > It sounds like there are several plan nodes that could be covered by this GUC > (such as SetOp, sort-based Unique for DISTINCT, semijoin uniqueification, > and Group nodes). Do you think we should cover all of them before the patch > would be considered complete enough for commit?
Yeah, I think so. The v4 patch actually already did that. You can find these changes in create_setop_path(), create_unique_path(), and cost_group(). > I'd be interested to hear your thoughts on how best to proceed, and whether > dividing the work into smaller pieces would make sense. It seems that the scope of the regression test changes isn't too large, so I think keeping them in one patch is fine. - Richard
