Hello I am new to Promises and am stuck on how to wait for all promises within a for loop to resolve before going to the next then(). I have seen a couple of promise.all examples, but it wasn't clear to me how to adapt them for my the following code. It currently goes to the next then() after the for loop and resolves before the for loop is complete. Any help is appreciated!Hello I am new to Promises and am stuck on how
阅读背景：
对于循环/ promise.all内部的promise，在节点中使用psql（pg-promise）
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