[Scott Marlowe - Wed at 09:58:30AM -0500] > Have you tried chaning the cpu_* cost options to see how they affect > merge versus nested loop?
As said in the original post, increasing any of them shifts the planner towards nested loops instead of merge_join. I didn't check which one of the cost constants made the most impact. ---------------------------(end of broadcast)--------------------------- TIP 5: don't forget to increase your free space map settings