在进行表分区在线重定义时人为终止了操作，结果报出12019错误，网上查询了一下，把对应的物化视图日志和分区表的物化视图删掉即可重新操作。但当重新执行dbms_redefinition.can_redef_table后，运行dbms_redefinition.start_redef_table抛出23539错误，百度上竟然搜不到，google一下，给出的解决方案就是等待，看来是源表在重定义，哎7个多G的表，不知道要等多久

ORA-12091:
cannot online redefine table "string"."string" with materialized views
Cause: An attempt was made to online redefine a table that had materialized views defined on it or had a materialized view log defined on it or is a master.
Action: Drop all materialized views and materialized view logs before attempting to online redefine the table.
Oracle Error :: ORA-23539

table "string"."string" currently being redefined

Cause

An attempt was made to redefine a table which is currently involved in an ongoing redefinition.

Do not perform. this redefinition operation on this table or wait till the ongoing redefinition of the table is completed.

ORA-12091:	cannot online redefine table "string"."string" with materialized views
Cause:	An attempt was made to online redefine a table that had materialized views defined on it or had a materialized view log defined on it or is a master.
Action:	Drop all materialized views and materialized view logs before attempting to online redefine the table.