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MongoDb从数组更新多个对象

[英]MongoDb update multiple objects from array

I have a document with the following fields: 我有一个包含以下字段的文档:

{
  "_id": 1,
  "codes": [
    {"name": "code1", "active": null, "disabled": false},
    {"name": "code2", "active": null, "disabled": false},
    {"name": "code3", "active": null, "disabled": false},
    {"name": "code4", "active": null, "disabled": false},
    {"name": "code5", "active": null, "disabled": false},
    {"name": "code6", "active": null, "disabled": false}
  ]
}

Is there any way to update just the objects that have the name value equal to "code2", "code3" and "code4"? 有什么方法可以只更新name值等于“ code2”,“ code3”和“ code4”的对象?

For example: 例如:

db.collection.update(
  {"_id": 1},
  {
    $set: {
      "codes": [
        {"name": "code2", "active": false, "disabled": true},
        {"name": "code3", "active": true, "disabled": false},
        {"name": "code4", "active": null, "disabled": true}
      ]
    }
  }
)

Expected result: 预期结果:

{
  "_id": 1,
  "codes": [
    {"name": "code1", "active": null, "disabled": false},
    {"name": "code2", "active": false, "disabled": true},
    {"name": "code3", "active": true, "disabled": false},
    {"name": "code4", "active": null, "disabled": true},
    {"name": "code5", "active": null, "disabled": false},
    {"name": "code6", "active": null, "disabled": false}
  ]
}

Actual result: 实际结果:

{
  "_id": 1,
  "codes": [
    {"name": "code2", "active": false, "disabled": true},
    {"name": "code3", "active": true, "disabled": false},
    {"name": "code4", "active": null, "disabled": true}
  ]
}

You cannot achieve this in one query, however you can loop on your array of updates, and perform updates for element matching condition in codes array : 您无法在一个查询中实现此目的,但是可以循环执行更新数组,并针对代码数组中的元素匹配条件执行更新:

var updatesArray = [
    {"name": "code2", "active": false, "disabled": true},
    {"name": "code3", "active": true, "disabled": false},
    {"name": "code4", "active": null, "disabled": true}
  ]

updatesArray.forEach(function(newCode){
  db.getCollection("collection").update(
    {_id:1},   
    {$set:{
      "codes.$[subcode].active":newCode.active,
      "codes.$[subcode].disabled":newCode.disabled}
    },   
    { multi: true,
       arrayFilters: [ { "subcode.name": newCode.name } ]
    }
  )
})

Use this command to achieve 使用此命令来实现

db.collection.update(  {
   "_id": 1,
   "codes.name":{$in:{"code2","code3","code4"}}
},{$set:{"codes.$.active":true}})

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