| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 20 of 103 | 80% | 7 of 10 | 30% | 5 | 15 | 1 | 19 | 0 | 10 |
| checkLegalityBeforeTypeCoercion() | | 38% | | 25% | 4 | 5 | 1 | 5 | 0 | 1 |
| withDistinctAndChildren(boolean, List) | | 93% | | 50% | 1 | 2 | 0 | 2 | 0 | 1 |
| MultiDistinctSum(boolean, 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 | |
| withAlwaysNullable(boolean) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| MultiDistinctSum(boolean, Expression) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| MultiDistinctSum(Expression) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| accept(ExpressionVisitor, Object) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| MultiDistinctSum(NullableAggregateFunctionParams) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 |