ORA-36995：(XSRELGID12) There are duplicate values in the surrogate dimension gid. Use the levelorder option to resolve the ambiguity.
错误码
错误描述：(XSRELGID12) There are duplicate values in the surrogate dimension gid. Use the levelorder option to resolve the ambiguity.
错误原因：more than 1 hierarchies in the current computing scope.
解决方法：use inhierarchy to limit
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