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Update document in Mongoose (update array property at specific index)


Update document in Mongoose (update array property at specific index)

By : Nogaye KEBE
Date : November 18 2020, 03:01 PM
it fixes the issue Refer to https://github.com/Automattic/mongoose/issues/2654 Do this
code :
 user.top10.top10.set(index, movieElement);


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Mongoose. Update by document id throws [TypeError: Cannot read property '_id' of undefined]

Mongoose. Update by document id throws [TypeError: Cannot read property '_id' of undefined]


By : Attila Molnár
Date : March 29 2020, 07:55 AM
Hope that helps I solve this by separate part of my code. But I can't understand what's wrong in my first solution. That's working code:
code :
var fileModel = context.models.File,
        query = {
            _id: {
                $in: context.data.files.map(function (el) {
                    return context.models.ObjectId(el);
                })
            }
        },
        update = {
            description: context.data.description,
            isAdded: true
        };
    if (context.data.userId){
        update.userId = context.models.ObjectId(context.data.userId);
    }
    fileModel.update(query, update, { multi: true }, function (err) {
        if (err) {
            console.log('update');
            console.log(err);
            context.sendJson({ success: false, err: err });
        }
        else {
            context.sendJson({ success: true });
        }
    });
Update Mongoose document fails TypeError: Cannot read property 'coordinates' of undefined

Update Mongoose document fails TypeError: Cannot read property 'coordinates' of undefined


By : Robin Buzink
Date : March 29 2020, 07:55 AM
around this issue It is showing the error because object.geometry is not defined. thus it is coming as undefined, when you are trying to assign value to object.geometry.coordinates.
you need to define object and object.geometry as an object({}) Type, only then you will be able to use dot notation (.). Same thing is with object.properties, you need to define it as an object({}) type.
code :
var object;
var object={};
object.geometry={};
object.properties = {};
if (req.body.geometry && typeof req.body.geometry.coordinates !== undefined){...}
Update a document with mongoose (update property of document property)

Update a document with mongoose (update property of document property)


By : A.Gra
Date : October 21 2020, 03:08 PM
may help you . I would like to update the document of a user with form inputs using mongoose. Inside the user document I would like to access the personal info section (and in this case its fullName property) to update it with the form's data. I tried with personalInfo.fullName in the mongoose update function, but this doesn't seem to work. Can anyone fix this? , Try adding quotes around "personalInfo.fullName":
code :
User.update({
  username: req.user.username
}, {
  $set: { 
    "personalInfo.fullName": req.body.fullName
  }
}, function (err, user) {
    if (err) throw error
    console.log(user)
    console.log("update user complete")
})
Mongoose: update an element of an array of a specific document

Mongoose: update an element of an array of a specific document


By : quewelcy
Date : March 29 2020, 07:55 AM
it fixes the issue I am having a collection of documents called 'company'.
code :
companyModel.update(
  { "_id" : :"1", "data._id": "11" }, 
  { "$set": { "data.$.value": "emp99" }}, 
  function(err, company) {
    console.log(company)
})
companyModel.findById('1', function(err, company) {
    for(var i =0; i< company.data.length; i++)
        if(company.data._id === "11")
            break;
    if(i<company.data.length)
        company.data[i].value = 'emp99'
    company.save()
});
How to update an object inside a Mongo Document Array (at a specific index)

How to update an object inside a Mongo Document Array (at a specific index)


By : Moonlike Moonlygirl
Date : March 29 2020, 07:55 AM
hope this fix your issue mongoose can't track changes inside the array if you modify array element directly using its index
try adding this line before saving
code :
groceryList.markModified(`ingredients.${ingrIdx}.acquired`);
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