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Find and Update nested array element by ID

I have a user model something like this

{
     _id:"something",
     email:"abc@gmail.com",
     contacts:[
     {_id:"123",status:"PENDING"},
     {_id:"456",status:"PENDING"},
     {_id:"789",status:"PENDING"}
     ]
}

And I have an id of one of the user's contacts "123" and I want to update that specific contact's status from "PENDING" to "SUCCESSFUL". How can I do that?

about 4 years ago · Juan Pablo Isaza

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db.collection.updateOne({ _id: "something" }, { contacts: [{ _id: "123", status: "SUCCESSFUL" }] }, function (err, res) {
    
})

about 4 years ago · Juan Pablo Isaza Report

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Accepted Answer · 2022-06-29T04:44:03.137Z

Easiest way is with the array identifier $, like so:

db.collection.updateOne({
  email: "abc@gmail.com",
  "contacts._id": "123"
},
{
  "$set": {
    "contacts.$.status": "SUCCESSFUL"
  }
})

Mongo Playground

The array identifier updates the first element of the array that matches the query.

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Find and Update nested array element by ID

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Andres GPT