| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 26 of 49 | 46% | 3 of 6 | 50% | 6 | 8 | 8 | 12 | 4 | 5 |
| SqlFirstLastValueAggFunction(boolean) | | 0% | | 0% | 2 | 2 | 2 | 2 | 1 | 1 |
| getParameterTypes(RelDataTypeFactory) | | 0% | n/a | 1 | 1 | 3 | 3 | 1 | 1 | |
| getReturnType(RelDataTypeFactory) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| allowsNullTreatment() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| SqlFirstLastValueAggFunction(SqlKind) | | 95% | | 75% | 1 | 3 | 0 | 4 | 0 | 1 |