| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 60 of 161 | 62% | 4 of 12 | 66% | 10 | 18 | 13 | 29 | 8 | 12 |
| withDistinctAndChildren(boolean, List) | | 0% | | 0% | 3 | 3 | 2 | 2 | 1 | 1 |
| computeSignature(FunctionSignature) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| resultForEmptyInput() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| CollectSet(boolean, Expression, Expression) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| accept(ExpressionVisitor, Object) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| CollectSet(boolean, Expression) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| CollectSet(AggregateFunctionParams) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| getSignatures() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| static {...} | | 100% | n/a | 0 | 1 | 0 | 4 | 0 | 1 | |
| checkLegalityBeforeTypeCoercion() | | 100% | | 100% | 0 | 5 | 0 | 8 | 0 | 1 |
| CollectSet(Expression, Expression) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| CollectSet(Expression) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 |