| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 229 of 229 | 0% | 32 of 32 | 0% | 21 | 21 | 53 | 53 | 5 | 5 |
| onMatch(RelOptRuleCall) | | 0% | | 0% | 12 | 12 | 30 | 30 | 1 | 1 |
| matches(RelOptRuleCall) | | 0% | | 0% | 6 | 6 | 12 | 12 | 1 | 1 |
| UnionMergeRule(Class, RelFactories.SetOpFactory) | | 0% | n/a | 1 | 1 | 4 | 4 | 1 | 1 | |
| UnionMergeRule(Class, String, RelBuilderFactory) | | 0% | n/a | 1 | 1 | 5 | 5 | 1 | 1 | |
| UnionMergeRule(UnionMergeRule.Config) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 |