ORA-30092: function not allowed at this stage of DST upgrade process

文档解释

ORA-30092: function not allowed at this stage of DST upgrade process

Cause: Query included a function that is not allowed in the current state of DST upgrade process.

Action: This function is not allowed at the currect stage of DST upgrade.

ORA-30092：DST升级过程的这一阶段不允许使用函数。

官方解释

ORA-30092 occurs when an attempt is made to perform certain DST-related operations at the wrong stage of the DST upgrade process.

常见案例

在DST升级过程中，尝试执行将版本为10.2.0.3.3以上的时间戳更新为最新时间戳http://db.apache.org/derby/papers/timestamp_with_time_zone_upgrade.html时，会发生ORA-30092错误。

一般处理方法及步骤

1、在Oracle数据库中，尝试将时间戳更新为最新的时间戳前，记得先运行ALTER DATABASE UPGRADE DATETIMEARITH 命令，将数据库加入DST升级过程。

2、使用DBMS_DST发出EXECUTE UPGRADE语句以启用新的DST表，此时可以正确改变时间戳。

3、最后，可以使用DBMS_DST发出EXECUTE POST_UPGRADE语句，使改动生效。