On Mon, Mar 28, 2022 at 5:21 PM Tom Lane <t...@sss.pgh.pa.us> wrote: > In any case, what I was on about is _bt_preprocess_keys() and > adjacent code. I'm surprised that those aren't more expensive > than one palloc in _bt_first. Maybe that logic falls through very > quickly in simple cases, though.
I assume that it doesn't really appear in very simple cases (also common cases). But delaying the scan setup work until execution time does seem ugly. That's probably a good enough reason to refactor. -- Peter Geoghegan
