| 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 |