bulk.insert(doc) 默认值无法插入 MongoDB nodejs

Posted 2023-03-10

??????bulk.insert(doc) ??????? MongoDB nodejs

??????:bulk.insert(doc) default value not able to inserted MongoDB nodejs

??????:2021-07-31 15:35:41

??????:

???? 100k ???,????????????,?????bulk.insert(doc),???????? mongoose ? Nodejs ???? createdAt ? updatedAt ?????????????????? setDefaultsOnInsert: true bulk.insert ???????????,????????????????

??

let data = req.body;
    var bulk = callDispositionModel.collection.initializeOrderedBulkOp();
    var counter=0
    data.forEach(doc1 => 
        bulk.insert(doc1);
        if (counter % 5000 == 0) 
            bulk.execute();
            bulk = callDispositionModel.collection.initializeUnorderedBulkOp();
            counter = 0;
        

    counter++
    )

    if (counter > 0) 
        bulk.execute(function(err,result) 
        if(err)
            console.log(`err `, err)
        else
            console.log(`result `, result)
            return res.send(success: true, message:'data uploaded successfully')
        
        );
    

?????

let dispositionSchema = new mongoose.Schema(
    name : type: String, default: null,
   mobile : type : String, default: null,
    remarks : type: String, default:null,
    duration: type : String, default: null,
    amount : type : Number, default: 0,
    date : type : String, default: null,
    time : type : String, default: null,
    createdAt: type: Date, default: Date.now ,
    updatedAt: type: Date, default: Date.now 
);

const disposition = mongoose.model('disposition', dispositionSchema);
export default disposition;

??

?mongodb?????

    "_id" : ObjectId("6098e6d007e2804b9c1f8317"),
   "name" : "senthil",
    "amount" : 0


    "_id" : ObjectId("6098e6d007e2804b9c1f8316"),
    "name" : "periyas",
    "amount" : 0

  

??,?????????

????

    "_id" : ObjectId("6098e6d007e2804b9c1f8317"),
   "name" : "senthil",
    "amount" : 0,
    "mobile" : null,
    "remarks" : null,
    "createdAt": "2021-05-07T13:55:34.233Z"
,

    "_id" : ObjectId("6098e6d007e2804b9c1f8316"),
    "name" : "periyas",
    "mobile" : null,
    "remarks" : null,
    "createdAt": "2021-05-07T13:55:34.233Z"

??????:

???????????????????????:true?

@turivishal ??,??????,?????

??answer ?????????????,????????? createdAt ? updatedAt ??,????????????

@turivishal,??????timestamps: true ??????remarks???????????

??????? npm mongoose ? mongodb,?????

?????1?:

??????????request in mongoose github,??????comment??:

initializeUnorderedBulkOp() ? initializeOrderedBulkOp() api ??,? mongodb “???”???? bulkWrite() API ??,?? MongoDB ?? CRUD ??????,???????????????,? 4.9.0 ??,mongoose ?? Model.bulkWrite() ??,???????????????? ref ?????

?????bulkWrite() ??:

let data = req.body;
let bulk = [];    
data.forEach((doc1) => 
    bulk.push( "insertOne":  "document": doc1  );
    if (bulk.length === 5000) 
        callDispositionModel.bulkWrite(bulk).then((result) => );
        bulk = [];
    
)
if (bulk.length > 0) 
    callDispositionModel.bulkWrite(bulk).then((res) => 
        console.log(res.insertedCount);
        return res.send(success: true, message: 'all data uploaded successfully')
    );

????:

?????bulkWrite API ??? 5??????????? 15 ???????????batchSize ?????? 5000 ????

????bulkWrite??????batchSize??,?????????????,??????????????

?????2?:

??

let dispositionSchema = new mongoose.Schema(
 name : type: String, default: null,
 mobile : type : String, default: null,
 remarks : type: String, default:null,
 duration: type : String, default: null,
 amount : type : Number, default: 0,
 date : type : String, default: null,
 time : type : String, default: null,
 createdAt: type: Date, default: Date.now ,
 updatedAt: type: Date, default: Date.now 
);

?

let dispositionSchema = new mongoose.Schema(
 name : type: String, default: null,
 mobile : type : String, default: null,
 remarks : type: String, default:null,
 duration: type : String, default: null,
 amount : type : Number, default: 0,
 date : type : String, default: null,
 time : type : String, default: null,
 createdAt: type: Date, default: Date.now ,
 updatedAt: type: Date, default: Date.now 
,  timestamps:  createdAt: 'createdAt' , updatedAt: 'updatedAt' );

More detail here

????:

createdAt ? updatedAt ????????????,? time?date?``` remarks ?????? MongoDB ??

????????null

remarks ????????,????? MongoDB???,???????????,???????,???? MongoDB ??? 6 ???? 3 ????????? 3 ????????

?????3?:

?????? Schema ????????,? Mongoose ????:

var dispositionSchema = new Schema(..,  timestamps: true );

????:

remarks: null ??? null ???? MongoDB ??