Scenario: Passing the value of the window to the object in the process operator
I need to make a judgment: If the current system time is the start time of the window, initialize the object to zero.
Now you can get the start and end time of the window.
Problem: The data drive will trigger only when the data that conforms to the window comes. It is already in the morning. How can you tell at zero?
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这家伙很懒，什么都没留下...