| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 10 of 163 | 93% | 8 of 30 | 73% | 8 | 20 | 5 | 38 | 0 | 5 |
| checkTopN(TopN) | | 88% | | 72% | 6 | 12 | 4 | 18 | 0 | 1 |
| getTopNOptLimitThreshold() | | 81% | | 50% | 2 | 3 | 1 | 3 | 0 | 1 |
| visitPhysicalTopN(PhysicalTopN, CascadesContext) | | 100% | | 100% | 0 | 2 | 0 | 8 | 0 | 1 |
| visitPhysicalDeferMaterializeTopN(PhysicalDeferMaterializeTopN, CascadesContext) | | 100% | | 100% | 0 | 2 | 0 | 8 | 0 | 1 |
| TopNScanOpt() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |