尝试加入：错误“从字符串转换为唯一标识符时转换失败。”

Question

尝试加入两个 ID 字段时出现以下错误：

select top 10 *

from SOURCECODE as s

inner join APPEAL as a on s.APPEALID = a.APPEALID;

错误：

Conversion failed when converting from a character string to uniqueidentifier.

关于如何修复它有什么想法吗？

我需要转换字段吗？

s.appealid

是

nvarchar 36

a.appealid

是

uniqueidentifier

Answer 1

SELECT TOP 10 *
FROM SOURCECODE AS s
INNER JOIN APPEAL AS a ON CONVERT(uniqueidentifier, s.APPEALID) = a.APPEALID;