This is my code snippet:
import mongoose from 'mongoose';
const UserData = new mongoose.Schema({
additionalData: Array,
name: String,
});
mongoose.model('UserData', UserDataSchema);
mongoose.set('useFindAndModify', false);
export default mongoose.model('UserData');
I'm looking for a way to update the additionalData property of the UserData model so that another array can be appended.
For example, let's say the additional array is
[ 1, 2, 3]
To incorporate new elements into your MongoDB documents, consider using the $addToSet operator.
await UserData.update({name:"something"},{ $addToSet: { additionalData: [1,2,3] })
Alternatively,
await UserData.updateOne({name:"something"},{ $addToSet: { additionalData: [1,2,3] })
If you want to apply this operation to all documents unconditionally:
await UserData.update({},{ $addToSet: { additionalData: [1,2,3] })
To remove multiple values from an array, utilize the $pull operator.
await UserData.update({},{ $pull: { additionalData: { $in: [ 1, 2,3 ] }}})
If you only need to eliminate a single value:
await UserData.update({},{ $pull: { additionalData:1 }})
If this doesn't align with your intended query, please leave a comment so I can make the necessary adjustments to the response.
const updatedArray = [ 4, 5, 6];
const targetName = 'bar';
mongoose.model('UserData').updateMany({
name: targetName
}, {$set: {
extraData: updatedArray
}});
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