On Sat, May 29, 2021, 4:40 AM Lionel Bouton <lionel.bou...@jtek.fr> wrote:
> The last time I had to use this setting to solve this kind of problem I > ended with : > > default_statistics_target = 500 > > But obviously the value suited to your case could be different (I'd > increase it until the planner uses the correct index). Note that increasing > it increases the costs of maintaining statistics (so you don't want to > increase this by several orders of magnitude blindly) but the default value > seems fairly conservative to me. > It also increases planning time since those distribution statistics need to be consumed and decisions have to be made.