| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 135 of 138 | 2% | 22 of 22 | 0% | 14 | 15 | 31 | 32 | 3 | 4 |
| checkTopN(TopN) | | 0% | | 0% | 10 | 10 | 15 | 15 | 1 | 1 |
| visitPhysicalTopN(PhysicalTopN, CascadesContext) | | 0% | | 0% | 2 | 2 | 8 | 8 | 1 | 1 |
| visitPhysicalDeferMaterializeTopN(PhysicalDeferMaterializeTopN, CascadesContext) | | 0% | | 0% | 2 | 2 | 8 | 8 | 1 | 1 |
| TopNScanOpt() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |