return tx
				}

				refColumns := []clause.Column{}
				for _, rel := range relation.References {
					if rel.OwnPrimaryKey {
						refColumns = append(refColumns, clause.Column{Name: rel.ForeignKey.DBName})
					}
				}

				if len(refColumns) != 0 {
					selectExpr := clause.CommaExpression{}
					for _, column := range q.db.Statement.Selects {