return clause.Join{
								Type:  joinType,
								Table: clause.Table{Name: relation.FieldSchema.Table, Alias: tableAliasName},
								ON:    clause.Where{Exprs: exprs},
							}
						}

						parentTableName := clause.CurrentTable
						for _, rel := range relations {
							// joins table alias like "Manager, Company, Manager__Company"
							nestedAlias := utils.NestedRelationName(parentTableName, rel.Name)