| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 39 of 387 | 89% | 14 of 48 | 70% | 13 | 33 | 8 | 82 | 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% | | 91% | 1 | 7 | 0 | 31 | 0 | 1 |
| computeTopN(PhysicalTopN) | | 94% | | 75% | 1 | 3 | 1 | 8 | 0 | 1 |
| visitPhysicalTopN(PhysicalTopN, CascadesContext) | | 100% | | 100% | 0 | 3 | 0 | 6 | 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 |