How to make a request so that, under one condition from the front, certain documents would not be included in the issue, but under another?

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bpGusar2019-12-03 15:35:40

MongoDB

bpGusar, 2019-12-03 15:35:40

How to make a request so that, under one condition from the front, certain documents would not be included in the issue, but under another?

That is, if, for example, it comes from the front, then documents whose bla field will be equal to 1 will be included in the selection, and if only those docks that do not include bla: 1 will be issued blabla:trueblabla:false

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