| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 68 of 137 | 50% | 15 of 18 | 16% | 10 | 18 | 11 | 26 | 1 | 9 |
| resultForEmptyInput() | | 0% | | 0% | 5 | 5 | 10 | 10 | 1 | 1 |
| checkLegalityBeforeTypeCoercion() | | 38% | | 25% | 4 | 5 | 1 | 5 | 0 | 1 |
| withDistinctAndChildren(boolean, List) | | 93% | | 50% | 1 | 2 | 0 | 2 | 0 | 1 |
| MultiDistinctSum0(boolean, Expression) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| searchSignature(List) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| getSignatures() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| MultiDistinctSum0(Expression) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| accept(ExpressionVisitor, Object) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| MultiDistinctSum0(AggregateFunctionParams) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 |