On Sun, Dec 9, 2018 at 8:13 PM David Rowley <david.row...@2ndquadrant.com> wrote: > listp1 was scanned twice (loops=2), listp2 was scanned just once. > > Now it is true that if the subplan was executed 0 times that it will > appear as "(never executed)", but do we really need to explain in this > area that "(never executed)" means loops=0?
Ah, I see what you mean. So, "(never executed)" is not the only sign of of run-time pruning occurring. The value of loops can be different for different subplans / partitions, and it being lower for a given subplan means that the subplan has been pruned more number of times. Thanks, Amit
