假設我們AA場檢索文件有類似以下數據的集合:它不包含布爾值
{
"_id":"4313e7aa192d75b7c3cffc8af0312fdeb",
"name":"Foo",
"services":[
{
"serviceID":"378e7aa192d75b7c3cffc8aq033fdeb",
"isActive":true
},
{
"serviceID":"5403e7aa192d75b7c3cffc8af033fdex",
"isActive":false
},
{
"serviceID":"e918e7aa192d75b7c3cffc8ax0233fdey",
"isActive":true
}
]
},
{
"_id":"b1d8b857963e35521faef87d215ca3f7",
"name":"Foo",
"services":[
{
"serviceID":"b98857963e35521faef87d215ca3f8",
"isActive":false
}
]
},
{
"_id":"34efdb9e62c2131e050917b4524d6e6f",
"name":"Foo",
"services":[
{
"serviceID":"39efba9e62c2131e050917b4524d6e6f",
"isActive":false
},
{
"serviceID":"34ex1b9e62c2131e050917b4524d6e6x",
"isActive":false
}
]
}
現在,我們怎樣才能使一個查詢檢索哪些還沒有任何活動服務的文檔(我是指不包含"isActive":true
)?有沒有這樣的查詢運營商?
任何想法,將不勝感激......