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【DM版本】:DM8
【操作系统】：
【CPU】:
【问题描述】*：
总共2个语句正依次执行...

[执行语句1]:

MERGE 
        INTO 
             max44."privrelation" AS target 
       USING (SELECT '2108', 'depend', '1651') AS source ("priv", "type", "relationPriv") 
          ON (target."priv" = '2108' 
                      AND target."type" = 'depend' 
                      AND target."relationPriv" = '1651') 
WHEN MATCHED THEN 
          UPDATE SET "priv" = '2108', "type" = 'depend' ,"relationPriv" = '1651' WHEN NOT MATCHED THEN 
INSERT ("priv", "type", "relationPriv") VALUES ('2108', 'depend', '1651');

执行失败(语句1)
-4064: 第10 行附近出现错误:
不能更新关联条件中的列

1条语句执行失败

"priv", "type", "relationPriv" 是唯一约束 这张表里面一共就这三个字段没有其他字段了