OrientDB使用select语句创建边以设置属性

Question

我想使用子查询创建边来设置属性。以下是我正在使用的查询：

create edge HAS from #57:0 to #80:3 set Type = (select from A where ID = 1)

这给了我以下错误：

OvalidationException:
The field 'HAS.Type' has been declared as LINK but the 
value is not a record or a record-id

请注意类型是LINK类型的属性。 感谢任何帮助！

Answer 1

以下是答案：

create edge HAS from #57:0 to #80:3 set Type = first((select from A where ID = 1))