On Monday, October 21, 2024, David Rowley <dgrowle...@gmail.com> wrote:
> On Tue, 22 Oct 2024 at 13:45, Melanie Plageman > <melanieplage...@gmail.com> wrote: > > I was surprised today when I saw that with > > enable_indexscan=off > > enable_indexonlyscan=on > > Robert did propose to change this behaviour while he was working on > the disabled_nodes changes. I did push back on the proposed change > [1]. If you feel strongly that what we have is wrong, then maybe it's > worth opening the discussion about that again. > We should probably at least improve the documentation in 19.17.1; this interaction is apparently not self-evident. enable_indexscan Enable or disable the planner’s use of both index-scan and index-only-scans plan types. enabled_indexonlyscan Set to off to disable index-only-scan plan type while leaving index-scan plan types enabled. This setting has no effect if enable_indexscan is set to off. David J.