On Thu, Apr 18, 2024 at 2:13 AM Donghang Lin <donghang...@gmail.com> wrote: > It's triggered when a scankey's strategy is set to invalid. While for a > descending ordered column, > the strategy needs to get fixed to its commute strategy. That doesn't work if > the strategy is invalid.
The problem is that _bt_fix_scankey_strategy shouldn't have been doing anything with already-eliminated array scan keys in the first place (whether or not they're on a DESC index column). I just pushed a fix along those lines. Thanks for the report! -- Peter Geoghegan
