> bulk data loads that make table stats more stale This is the usual culprit (cure: "ANALYZE ((tablename))"). Collecting more samples (ALTER TABLE SET STATIST

> bulk data loads that make table stats more stale This is the usual culprit (cure: "ANALYZE ((tablename))"). Collecting more samples (ALTER TABLE SET STATISTICS...) may be useful. "Extended Statistics" covers most(?) other cases: https://www.postgresql.org/docs/current/planner-stats.html#PLANNER-STATS-EXTENDED https://www.postgresql.org/docs/current/planner-stats.html#P... https://www.postgresql.org/docs/current/multivariate-statistics-examples.html https://www.postgresql.org/docs/current/multivariate-statist...