| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 326 of 519 | 37% | 46 of 70 | 34% | 29 | 45 | 49 | 79 | 2 | 10 |
| customSignature() | | 26% | | 15% | 18 | 21 | 37 | 47 | 0 | 1 |
| checkLegalityBeforeTypeCoercion() | | 44% | | 66% | 6 | 13 | 9 | 19 | 0 | 1 |
| withConstantArgs(Expression) | | 0% | | 0% | 2 | 2 | 2 | 2 | 1 | 1 |
| isPositive() | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | ||
| withChildren(List) | | 93% | | 50% | 1 | 2 | 0 | 2 | 0 | 1 |
| getMonotonicFunctionChildIndex() | | 90% | | 50% | 1 | 2 | 0 | 1 | 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 |