The OPEN CURSOR statement is executed as part of the FETCH process.

OPEN cursor语句作为FETCH过程的一部分执行。

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Additionally, if you don't want to involve the group variables in the process input variable, you can use an event handler in the process to fetch such information when needed.

此外，如果您不想在流程输入变量中介入组变量，可以在流程中使用一个事件处理程序来根据需要获取该信息。

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The traditional way to process an element on a queue in SQL is to fetch the element in a first step.

在 SQL 中，处理队列上一个元素的传统方法是在第一步取这个元素。

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