我有一个这样的文档:
{
_id:"43434",
heroes : [
{ nickname : "test", items : ["", "", ""] },
{ nickname : "test2", items : ["", "", ""] },
]
}
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可以予$set所述的第二元件items嵌入对象的阵列中的阵列heros与nickname "test"?
结果:
{
_id:"43434",
heroes : [
{ nickname : "test", items : ["", "new_value", ""] }, // modified here
{ nickname : "test2", items : ["", "", ""] },
]
}
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