You can execute the PURGE RECYCLEBIN statement to empty the recycle bin as the root user.
The PURGE RECYCLEBIN statement deletes all objects from the recycle bin. You can execute this statement as the root user only. Proceed with caution.
Empty the recycle bin as the root user.
OceanBase(admin@test)> purge recyclebin; Query OK, 0 rows affected (0.03 sec)