| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 538 of 742 | 27% | 71 of 94 | 24% | 42 | 57 | 116 | 164 | 2 | 10 |
| doComputeTopN(PhysicalTopN, CascadesContext, List) | | 16% | | 15% | 18 | 20 | 69 | 84 | 0 | 1 |
| collectProjectExprInputSlots(Plan, Set) | | 35% | | 28% | 15 | 20 | 21 | 34 | 0 | 1 |
| moveRowIdsToTail(List, Set) | | 0% | | 0% | 6 | 6 | 17 | 17 | 1 | 1 |
| computeTopN(PhysicalTopN, CascadesContext) | | 58% | | 66% | 2 | 4 | 6 | 14 | 0 | 1 |
| visitPhysicalTopN(PhysicalTopN, CascadesContext) | | 72% | | 100% | 0 | 2 | 3 | 8 | 0 | 1 |
| lambda$doComputeTopN$0(Relation) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| computeMaterializeSource(PhysicalTopN, SlotReference, Set) | | 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 | |
| static {...} | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |