按数组中对象的元素搜索 [英] Search by element of an object in a array

问题描述

说我有以下对象:

{
    players: [{_id: "someid"}]
}

如何查询此集合中所有在players中具有_id为someid的对象?

How can I query this collection for all objects that have an object in players that has the _id of someid?

推荐答案

db.collection.find({'players._id': 'someid'})

它称为点符号.

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