code: function askForRelationshipsId() {
      // Don't ask relationship id if there aren't any relationship
      // Or option --force
      if (this.relationships === undefined || this.relationships.length === 0 || this.force) {
          return;
      }
  
      // work only on owner relationship
      this.relationshipsPile = this.relationships.filter(relationshipItem =>
          // We don't need to do anything about relationships which don't add any constraint.
          !(relationshipItem.relationshipType === 'one-to-many' ||
              (relationshipItem.relationshipType === 'one-to-one' && !relationshipItem.ownerSide) ||
              (relationshipItem.relationshipType === 'many-to-many' && !relationshipItem.ownerSide)));
  
      if (this.relationshipsPile.length === 0) {
          return;
      }
  
      this.log(chalk.green(`Asking column names for ${this.relationshipsPile.length} relationship(s)`));
      const done = this.async();
  
      this.relationship = this.relationshipsPile.shift();
      askForRelationshipId.call(this, done);
  }
docs: For each relationship of entity, ask for actual column name