QSM-02201：PCT FAST REFRESH is not possible if there is a self join or self cartesian product in query
错误码
错误描述：PCT FAST REFRESH is not possible if there is a self join or self cartesian product in query
错误原因：The capability in question was not supported because the materialized view query contained self join of self cartesian product in the query.
解决方法：Rephrase the query to avoid the use of self joins or self cartesian product in the query.
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