| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 14 of 148 | 90% | 3 of 10 | 70% | 3 | 15 | 2 | 27 | 0 | 10 |
| checkLegalityBeforeTypeCoercion() | | 81% | | 75% | 2 | 5 | 2 | 12 | 0 | 1 |
| withDistinctAndChildren(boolean, List) | | 93% | | 50% | 1 | 2 | 0 | 2 | 0 | 1 |
| PercentileReservoir(boolean, boolean, Expression, Expression) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| static {...} | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| PercentileReservoir(boolean, Expression, Expression) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| withAlwaysNullable(boolean) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| PercentileReservoir(Expression, Expression) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| accept(ExpressionVisitor, Object) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| PercentileReservoir(NullableAggregateFunctionParams) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| getSignatures() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |