| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 40 of 139 | 71% | 6 of 12 | 50% | 6 | 16 | 6 | 26 | 0 | 10 |
| checkLegalityBeforeTypeCoercion() | | 48% | | 50% | 5 | 6 | 6 | 10 | 0 | 1 |
| withDistinctAndChildren(boolean, List) | | 93% | | 50% | 1 | 2 | 0 | 2 | 0 | 1 |
| static {...} | | 100% | n/a | 0 | 1 | 0 | 3 | 0 | 1 | |
| ApproxTopK(boolean, boolean, Expression[]) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| withAlwaysNullable(boolean) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| ApproxTopK(boolean, Expression[]) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| ApproxTopK(Expression[]) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| accept(ExpressionVisitor, Object) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| ApproxTopK(NullableAggregateFunctionParams) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| getSignatures() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |