Update Multiple Documents

Example

The following example performs the following on the listingsAndReviews collection:

• Matches documents in which the market field of the address subdocument, address.market is "Sydney"

• Updates the price in the matched documents by 1.15 times

coll := client.Database("sample_airbnb").Collection("listingsAndReviews")
filter := bson.D{{"address.market", "Sydney"}}
update := bson.D{{"$mul", bson.D{{"price", 1.15}}}}
result, err := coll.UpdateMany(context.TODO(), filter, update)
if err != nil {
	panic(err)
}

View a fully runnable example.

Expected Result

After you run the full example, you can find the following updated documents in the listingsAndReviews collection:

// results truncated
...
{ "_id" : "10091713", ... , "name" : "Surry Hills Studio", ... , "price" : 181.00, ... },
{ "_id" : "9908871", ... , "name" : "Family friendly beach house", ... , "price" : 751.00, ... },
{ "_id" : "20989061", ... , "name" : "Big and sunny Narraben room", ... , "price" : 60.00, ... },
...

For an example on how to find multiple documents, see Find Multiple Documents.

Additional Information

To learn more about replacing documents, specifying query filters, and handling potential errors, see Change a Document.

To learn more about update operators, see the MongoDB update operator reference documentation.