| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 220 of 372 | 40% | 36 of 56 | 35% | 24 | 38 | 32 | 57 | 3 | 10 |
| customSignature() | | 30% | | 11% | 12 | 14 | 19 | 25 | 0 | 1 |
| checkLegalityBeforeTypeCoercion() | | 44% | | 66% | 6 | 13 | 9 | 19 | 0 | 1 |
| withConstantArgs(Expression) | | 0% | | 0% | 2 | 2 | 2 | 2 | 1 | 1 |
| getMonotonicFunctionChildIndex() | | 0% | | 0% | 2 | 2 | 1 | 1 | 1 | 1 |
| isPositive() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| withChildren(List) | | 93% | | 50% | 1 | 2 | 0 | 2 | 0 | 1 |
| DateTrunc(Expression, Expression) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| static {...} | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| accept(ExpressionVisitor, Object) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| DateTrunc(ScalarFunctionParams) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 |