| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 163 of 166 | 1% | 26 of 26 | 0% | 15 | 16 | 37 | 38 | 2 | 3 |
| visitPhysicalTopN(PhysicalTopN, CascadesContext) | | 0% | | 0% | 11 | 11 | 29 | 29 | 1 | 1 |
| isGroupKeyIdenticalToOrderKey(PhysicalTopN, PhysicalHashAggregate) | | 0% | | 0% | 4 | 4 | 8 | 8 | 1 | 1 |
| PushTopnToAgg() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |