| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 39 of 408 | 90% | 16 of 52 | 69% | 15 | 35 | 8 | 87 | 0 | 9 |
| createRowIdSlot(Relation, StatementContext) | | 61% | | 25% | 2 | 3 | 6 | 14 | 0 | 1 |
| collectNullableRelationIds(Plan, boolean, Set) | | 88% | | 62% | 9 | 13 | 1 | 17 | 0 | 1 |
| doComputeTopN(PhysicalTopN, List) | | 97% | | 83% | 3 | 10 | 0 | 37 | 0 | 1 |
| computeTopN(PhysicalTopN) | | 94% | | 75% | 1 | 3 | 1 | 8 | 0 | 1 |
| visitPhysicalTopN(PhysicalTopN, CascadesContext) | | 100% | | 100% | 0 | 2 | 0 | 5 | 0 | 1 |
| collectNullableRelationIds(Plan) | | 100% | n/a | 0 | 1 | 0 | 3 | 0 | 1 | |
| distinctOutput(List) | | 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 |