It is this reference to the cte itself that establishes the recursive invocation 正是此次对cte自身的引用建立了递归调用。
Therefore , the potential impact is a factor only in complex applications where iterations and recursive invocations are heavily used 因此,只有在非常复杂的大量使用循环和递归调用的应用程序中,才需要考虑这种潜在的影响。