Laszlo Nagy <gandalf@xxxxxxxxxxxx> writes: > It means that I really did not know what it means. What are the > disadvantages of reducing shmmin to one? None that I've ever heard --- that is the customary setting. regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match