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2 items on 19 Aug 2026
PostgreSQL

Christophe Pettus: All Your GUCs in a Row: join_collapse_limit

PostgreSQL famously does not implement query hints. This is about 95% true, and join_collapse_limit is the other 5%: set it to 1, and the planner joins your tables in exactly the order you wrote them. This is not an…

Source: Planet PostgreSQL