过程调用可以是嵌套的或递归的，但是保存点的范围被限制为定义它的存储过程的执行。
Procedure calls can be nested or recursive, but the scope of a savepoint is restricted to the execution of the stored procedure in which it is defined.
调用自身的函数就是递归的；执行这种函数的过程就叫递归运算。
A function that calls itself is recursive; the process of executing it is called recursion.
如果逻辑上不要求运算符过程调用自身，请移除任何递归调用，或将其替换为不调用自身过程的语句。
If your logic does not require the operator procedure to call itself, then remove any recursive calls or replace them with statements that do not call their own procedure.
经过多次修改，目前也有管理结构化数据、动态数据配置、递归(过程调用自身)等等功能。
It has been revised several times and now includes capabilities for handling structured data, dynamic data allocation, recursions (procedures that call themselves), and other features.
经过多次修改，目前也有管理结构化数据、动态数据配置、递归(过程调用自身)等等功能。
It has been revised several times and now includes capabilities for handling structured data, dynamic data allocation, recursions (procedures that call themselves), and other features.
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