| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 79 of 79 | 0% | 8 of 8 | 0% | 9 | 9 | 14 | 14 | 5 | 5 |
| optimize(PlanNode, Session, TypeProvider, VariableAllocator, PlanNodeIdAllocator, WarningCollector) | | 0% | | 0% | 2 | 2 | 6 | 6 | 1 | 1 |
| isEnabled(Session) | | 0% | | 0% | 4 | 4 | 1 | 1 | 1 | 1 |
| RandomizeNullKeyInOuterJoin(FunctionAndTypeManager, StatsCalculator) | | 0% | n/a | 1 | 1 | 4 | 4 | 1 | 1 | |
| isCostBased(Session) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| setEnabledForTesting(boolean) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 |