| toString() |   | 0% |   | 0% | 2 | 2 | 8 | 8 | 1 | 1 | 
| Constraint(LogicalPlan, ImmutableList, LogicalPlan, ImmutableList) |    | 95% |    | 50% | 3 | 4 | 0 | 9 | 0 | 1 | 
| Constraint(Constraint.ConstraintType, LogicalPlan, ImmutableList) |    | 96% |    | 50% | 2 | 3 | 0 | 8 | 0 | 1 | 
| toReferenceProject() |    | 94% |    | 50% | 1 | 2 | 0 | 2 | 0 | 1 | 
| isUnique() |    | 87% |    | 50% | 1 | 2 | 0 | 1 | 0 | 1 | 
| toProject() |   | 100% |  | n/a | 0 | 1 | 0 | 1 | 0 | 1 | 
| newForeignKeyConstraint(LogicalPlan, ImmutableList, LogicalPlan, ImmutableList) |   | 100% |  | n/a | 0 | 1 | 0 | 1 | 0 | 1 | 
| isForeignKey() |   | 100% |   | 100% | 0 | 2 | 0 | 1 | 0 | 1 | 
| isPrimaryKey() |   | 100% |   | 100% | 0 | 2 | 0 | 1 | 0 | 1 | 
| newUniqueConstraint(LogicalPlan, ImmutableList) |   | 100% |  | n/a | 0 | 1 | 0 | 1 | 0 | 1 | 
| newPrimaryKeyConstraint(LogicalPlan, ImmutableList) |   | 100% |  | n/a | 0 | 1 | 0 | 1 | 0 | 1 |