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update on a subdoc with mongoose


update on a subdoc with mongoose

By : furious_wheat
Date : November 22 2020, 10:40 AM
will be helpful for those in need When updating an array element by id, you can use the $ positional operator in your update object to represent the index of the element matched by the query:
code :
user.update(
   {
     'subscriptions.subscription_id':updatedsubscription_id
   },
   {
      'subscriptions.$.status': updatedsubscription_status
   },
   function(err, count){
      if (err) return console.log(err);
      return console.log('updated the subscription in db');
   }
);


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How to update subdoc data in Mongoose

How to update subdoc data in Mongoose


By : Nirav Shah
Date : March 29 2020, 07:55 AM
will be helpful for those in need I am trying to update user.task.fixitItem, where the Task schema is embedded within the User schema. , You need to use the update method with $set
code :
User.update(
  { 'task._id': req.params.id }, 
  { $set: { 'task.$.fixitItem': 'new value' }},
  function(err, user) {

  }
 );
Pushing object into subdoc's subdoc in Mongoose? How can it be done?

Pushing object into subdoc's subdoc in Mongoose? How can it be done?


By : PatD
Date : March 29 2020, 07:55 AM
wish of those help There are a couple of issues here.
1. You're trying to set your data on User, which is your Mongoose model, rather than participant, which is an instance of your User
Finding Parent Doc from subdoc ID in Mongoose

Finding Parent Doc from subdoc ID in Mongoose


By : Dudley
Date : March 29 2020, 07:55 AM
Any of those help I have a subdoc Id and I need to return the parent Doc using Mongoose and MongoDB. I read here: MongoDB: How to find by subdocument ID? that I should just be able to used Polls.find({'options': id} but it is returning any empty array and not the appropriate document. , I think you are querying it wrong.
Try this:
code :
Polls.find({'options._id': id},function(err,result){
    //result will be an array of matched document
    //result[i]._id will give you the parent id.
    //if there is only one such document, you can try : result[0]._id
});
Mongoose select subdoc fields

Mongoose select subdoc fields


By : Jonathan
Date : March 29 2020, 07:55 AM
will help you This is how MongoDB handles basic projection with array elements. While you can do something like this:
find and update one field in array of subdoc mongoose

find and update one field in array of subdoc mongoose


By : Amol Dabhade
Date : March 29 2020, 07:55 AM
will help you you can use findOneAndUpdate and positional operator $ to update specific comment value
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