tuples and consume() generates code that acts on the tuples once they are produced. Usually the parent operator calls produce() on its child and the child calls consume() on its parent once it generated the producing code. Note that produce()/consume() do not exist in the generated code but only during the code-generating phase. Let’s look at
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В двух аэропортах на юге России ввели ограничения на полеты14:55。业内人士推荐夫子作为进阶阅读
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