Mongo - How to update multiple documents with different value in single query?

Question

I want to write a query for updating multiple documents in a single query, Please suggest me possible ways.

Following is my mongo document.

[
    {
        "_id" : ObjectId("5b0f0a2ca1f6633032c204cd"),
        "parent_id" : ObjectId("5b0f09e1a1f6633032c204cc"),
        "name" : "ABC",
        "userType": "admin"
    },
    {
        "_id" : ObjectId("5b0f0a2ca1f6633032c204ce"),
        "parent_id" : ObjectId("5b0f09e1a1f6633032c204cc"),
        "name" : "DEF",
        "userType": "admin"
    },
    {
        "_id" : ObjectId("5b0f0a2ca1f6633032c204cf"),
        "parent_id" : ObjectId("5b0f09e1a1f6633032c204cc"),
        "name" : "GHI",
        "userType": "admin"
    },
    {
        "_id" : ObjectId("5b0f0a2ca1f6633032c204d0"),
        "parent_id" : ObjectId("5b0f09e1a1f6633032c204cc"),
        "name" : "XYZ",
        "userType": "admin"
    }
]

I've following the updated object in code, how can I update that in a database with the query.

[
    {
        "_id" : ObjectId("5b0f0a2ca1f6633032c204cd"),
        "parent_id" : ObjectId("5b0f09e1a1f6633032c204cc"),
        "name" : "ABC123",
        "color":"red"
        "userType": "admin"
    },
    {
        "_id" : ObjectId("5b0f0a2ca1f6633032c204ce"),
        "parent_id" : ObjectId("5b0f09e1a1f6633032c204cc"),
        "name" : "DEF123",
        "color":"blue"
        "userType": "admin"
    },
    {
        "_id" : ObjectId("5b0f0a2ca1f6633032c204cf"),
        "parent_id" : ObjectId("5b0f09e1a1f6633032c204cc"),
        "name" : "GHI123",
        "color":"green"
        "userType": "admin"
    },
    {
        "_id" : ObjectId("5b0f0a2ca1f6633032c204d0"),
        "parent_id" : ObjectId("5b0f09e1a1f6633032c204cc"),
        "name" : "XYZ123",
        "color":"rgb(14,256,12, 1)"
        "userType": "admin"
    }
]

Please suggest me the proper ways, or We can do it or not?

what type of array your are passing to update the documents? Update your question and post the payload array by which you want to update the multiple documents — Ashh
– Ashh, Commented Aug 13, 2018 at 5:26
From same as output object. just want to compare _id and update all data — Gunjan Patel
– Gunjan Patel, Commented Aug 13, 2018 at 6:48
Try my this answer as well stackoverflow.com/questions/51801033/… — Ashh
– Ashh, Commented Aug 13, 2018 at 17:28

Ashh · Accepted Answer · 2018-08-13 11:55:40Z

13

You basically need bulkWrite operation in mongodb

const array = [
  {
    "_id" : ObjectId("5b0f0a2ca1f6633032c204cd"),
    "parent_id" : ObjectId("5b0f09e1a1f6633032c204cc"),
    "name" : "ABC123",
    "color":"red"
    "userType": "admin"
  },
  {
    "_id" : ObjectId("5b0f0a2ca1f6633032c204ce"),
    "parent_id" : ObjectId("5b0f09e1a1f6633032c204cc"),
    "name" : "DEF123",
    "color":"blue"
    "userType": "admin"
  },
  {
    "_id" : ObjectId("5b0f0a2ca1f6633032c204cf"),
    "parent_id" : ObjectId("5b0f09e1a1f6633032c204cc"),
    "name" : "GHI123",
    "color":"green"
    "userType": "admin"
  },
  {
    "_id" : ObjectId("5b0f0a2ca1f6633032c204d0"),
    "parent_id" : ObjectId("5b0f09e1a1f6633032c204cc"),
    "name" : "XYZ123",
    "color":"rgb(14,256,12, 1)"
    "userType": "admin"
  }
]

And the final query

Model.bulkWrite(
  array.map((data) => 
    ({
      updateOne: {
        filter: { _id: data._id },
        update: { $set: data }
      }
    })
  )
})

answered Aug 13, 2018 at 11:55

Ashh

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2 Comments

Ashh Over a year ago

@TBE For query OR for the above data in array?

TBE Over a year ago

For the query, you have an un-needed closing brace. Your last line shall be ) instead of })

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