| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 113 of 547 | 79% | 13 of 50 | 74% | 11 | 33 | 19 | 111 | 0 | 8 |
| visitPhysicalTopN(PhysicalTopN, CascadesContext) | | 73% | | 66% | 10 | 19 | 19 | 81 | 0 | 1 |
| moveRowIdsToTail(List, Set) | | 100% | | 90% | 1 | 6 | 0 | 17 | 0 | 1 |
| collectRequiredOutputSlots(Map, Set) | | 100% | | 100% | 0 | 3 | 0 | 6 | 0 | 1 |
| computeMaterializeSource(PhysicalTopN, SlotReference) | | 100% | n/a | 0 | 1 | 0 | 3 | 0 | 1 | |
| LazyMaterializeTopN() | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| filterSlotsForLazyMaterialization(Map) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| lambda$visitPhysicalTopN$0(Relation) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| static {...} | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |