| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 102 of 573 | 82% | 10 of 52 | 80% | 9 | 36 | 18 | 119 | 0 | 10 |
| computeTopN(PhysicalTopN, CascadesContext) | | 75% | | 75% | 6 | 15 | 14 | 70 | 0 | 1 |
| visitPhysicalTopN(PhysicalTopN, CascadesContext) | | 78% | | 100% | 0 | 2 | 3 | 10 | 0 | 1 |
| containsLazyMaterialize(Plan) | | 91% | | 66% | 2 | 4 | 1 | 5 | 0 | 1 |
| moveRowIdsToTail(List, Set) | | 100% | | 90% | 1 | 6 | 0 | 17 | 0 | 1 |
| visitPhysicalSetOperation(PhysicalSetOperation, CascadesContext) | | 100% | | 100% | 0 | 4 | 0 | 11 | 0 | 1 |
| computeMaterializeSource(PhysicalTopN, SlotReference) | | 100% | n/a | 0 | 1 | 0 | 3 | 0 | 1 | |
| filterSlotsForLazyMaterialization(Map) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| lambda$computeTopN$0(Relation) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| static {...} | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| LazyMaterializeTopN() | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |