ORA-32042: recursive WITH clause must reference itself directly in one of the UNION ALL branches ORACLE 报错 故障修复 远程处理

文档解释

ORA-32042: recursive WITH clause must reference itself directly in one of the UNION ALL branches

Cause: A WITH clause query referred to itself (recursive) indirectly, such as through a subquery or view.

Action: Rewrite the recursive WITH clause query to refer to itself directly in the FROM clause of one of the UNION ALL branches.

ORA-32042 错误指出,递归WITH子句必须以其直接引用自身的方式出现在UNION ALL分支中。

官方解释

常见案例

ORA-32042

发生在: WITH 语句

递归 WITH 子句必须出现在UNION ALL分支中自身的信息。

最常见的情况是,当递归的WITH子句的第一个UNION ALL分支中引用另一个表,而第二个UNION ALL分支中引用该递归子句自身时,会发生ORA-32042错误。

一般处理方法及步骤

1.正确指定递归WITH子句中UNION ALL分支中第一个表的信息。

2.确保在递归WITH子句中的UNION ALL分支中自身的引用出现在第二个分支中。

3.确保另一个表在前面的搜索条件中指定的正确。


数据运维技术 » ORA-32042: recursive WITH clause must reference itself directly in one of the UNION ALL branches ORACLE 报错 故障修复 远程处理