Question

我具有以下JSON结构，

{
  "projectId": "service-request-service",
  "projectVersion": [{
    "version":"1",
    "localConfig": [{
      "port": "3003",
      "mongoURI": "mongodb://localhost:27017/serviceRequest",
      "MQ": "RMQ",
      "logLevel": "2",
      "version": "1.1",
      "created": "03-06-2018 03:11:00 PM",
      "active": "N"
    },
    {
      "port": "3004",
      "mongoURI": "mongodb://localhost:27017/serviceRequest",
      "MQ": "IMQ",
      "logLevel": "1",
      "version": "1.2",
      "created": "07-06-2018 03:11:00 PM",
      "active": "Y"
    }]
  }]
}

现在，我想更新port的所有active和localConfig值。我尝试使用不同的方式，

使用markModified

ProjectConfig.findOne({'projectId' : projectId,
    'projectVersion.version' : version})
    .exec(function(err,pc){

pc.projectVersion[0].localConfig[0].active = "N";
pc.projectVersion[0].localConfig[0].port = "5555";

pc.markModified('localConfig');

pc.save(function(err,result){
    if (err) {
        console.log(err);
    }
    console.log("## SUCCESSFULLY SAVED  ");
});

});

使用for循环进行迭代。

 ProjectConfig.findOne({'projectId' : projectId,
'projectVersion.version' : version}).exec(function(err,pc){

for(i = 0; i < pc.projectVersion.length ; i++){                    
    for(j = 0; j < pc.projectVersion[i][envQuery].length ; j++){ 
        pc.projectVersion[i][envQuery][j].active = 'N';
        pc.projectVersion[i][envQuery][j].port = '5555';
    }
}

pc.save(function (err, result) {
    if (err) {
        console.log(err);
    }
    console.log("## SUCCESSFULLY SAVED  ");
});        
});

使用arrayFilters

let conditions = {};
let update = {$set: {"projectVersion.$[i].localConfig.$[].port": "5555"}};
let options = {arrayFilters:[{"i.version":"1"}]};
pc.update(conditions,update,options,function(err,result){
    if (err) {
        console.log(err);
    }
    console.log("## SUCCESSFULLY SAVED  ");
});

但是，我遇到了错误。

MongooseError: Callback must be a function, got [object Object]

请提供给我更新文档的方法。

MongoDB : v3.6.6和Mongoose : ^5.0.14的当前版本

Answer 1

我使用arrayFilters不在方案上应用update方法，而是在find方法的对象返回上应用。当我在架构上直接应用update方法时，它就起作用了。

let conditions = { "projectId" : "32804-service-request-service" };
            let update = { $set: {
                                "projectVersion.$[i].localConfig.$[j].port" : "5555",
                                }
                        };
            let options = {arrayFilters:[{"i.version":"1" },{ "j.port" : "3003"}]};
            ProjectConfig.update(conditions, update, options, function(err,result){
                if (err) {
                    return res.status(500).json({
                        title: 'An error occurred',
                        error: err
                    });
                }
                res.status(200).json({
                    message: 'SUCCESS',
                    obj: result  
                });
            });

猫鼬：更新嵌套文档

1 个答案: