A convenience constructor for properties that represent foreign key relationships.
Source
SchemaColumn.relationship(this.name, ManagedPropertyType type, {this.isNullable: true, this.isUnique: false, this.relatedTableName, this.relatedColumnName, ManagedRelationshipDeleteRule rule: ManagedRelationshipDeleteRule.nullify}) { isIndexed = true; _type = typeStringForType(type); _deleteRule = deleteRuleStringForDeleteRule(rule); }