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What I what is a query with offset and limit of one, that when the offset is bigger than the count it returns the first one.

For example: if I have a collecton with 3 elements and I do a query with offset = 4 I will get the first element. Any idea of how to implement this?

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先做一个count()，如果这个数字小于你的偏移量，做一个findOne？

于 2013-10-02T18:42:43.683 回答