ORA-64149: Invalid alter XMLIndex operation.

文档解释

ORA-64149: Invalid alter XMLIndex operation.

Cause: An attemp was made to alter an XMLIndex that is already being modified using NONBLOCKING ADD_GROUP or ADD_COLUMN. Only NONBLOCKING COMPLETE or ABORT alter index operations are allowed. Also, NONBLOCKING operation is not allowed with alter index rebuild.

Action: Call DBMS_XMLINDEX.PROCESS_PENDING to finish pending work and then execute NONBLOCKING COMPLETE to successfully finish existing NONBLOCKING operation. Execute NONBLOCKING ABORT to cancle existing NONBLOCKING operation.

ORA-64149：这是Oracle数据库中出现的一个错误，指出用户因为无效的alter XMLIndex操作导致的错误。

官方解释

常见案例

一般处理方法及步骤

1.检查SQL语句，确认在alter XMLIndex操作中，是否都指定了有效的索引名称。

2.若在alter XMLIndex操作中，没有指定索引名称，则需要在形参中添加索引名称，然后重新执行SQL语句。

3.如果此时仍然遇到此问题，则可能存在除索引名称错误外的其他问题，此时可以检查是否存在不一致的记录值，或者检查执行alter XMLIndex操作的表是否满足要求之类的问题。