| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 340 of 525 | 35% | 57 of 76 | 25% | 38 | 50 | 52 | 84 | 2 | 12 |
| customSignature() | | 18% | | 10% | 19 | 21 | 40 | 47 | 0 | 1 |
| checkLegalityBeforeTypeCoercion() | | 47% | | 41% | 11 | 13 | 9 | 19 | 0 | 1 |
| withConstantArgs(Expression) | | 0% | | 0% | 2 | 2 | 2 | 2 | 1 | 1 |
| isRoundingRelationGuaranteed() | | 92% | | 50% | 3 | 4 | 0 | 4 | 0 | 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 | |
| getRoundingType() | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |