| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 138 of 141 | 2% | 22 of 22 | 0% | 13 | 14 | 32 | 33 | 2 | 3 |
| visitPhysicalTopN(PhysicalTopN, CascadesContext) | | 0% | | 0% | 12 | 12 | 31 | 31 | 1 | 1 |
| isGroupKeyIdenticalToOrderKey(PhysicalTopN, PhysicalHashAggregate) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| PushTopnToAgg() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |