update statement in mongoose code example

Example 1: mongoose updateone example

// Update the document using `updateOne()`
await CharacterModel.updateOne({ name: 'Jon Snow' }, {
  title: 'King in the North'
});

// Load the document to see the updated value
const doc = await CharacterModel.findOne();
doc.title; // "King in the North"

Example 2: save or update mongoose

// SAVE NEW OR UPDATE EXISTING COLLECTION
AnnoucementTagsModel.findOneAndUpdate({_id: announcementId}, newAnnoucementTags, {upsert: true}, function (err, doc) {
	if (error) throw new Error(error);
	console.log("succesfully saved");
});

Example 3: update query in mongoose

var conditions = { name: 'bourne' } 
  , update = { $inc: { visits: 1 }}

Model.update(conditions, update, { multi: true }).then(updatedRows=>{
  
}).catch(err=>{
  console.log(err)
  
})

Tags:

Misc Example

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