Update Multiple Documents
You can update multiple documents in a collection by calling the update_many() method on a
Collection
instance.
Pass the following parameters to the update_many()
method:
Query filter, which specifies the criteria to match
Update document, which specifies the updates to make to all matching documents
The update_many()
method returns an UpdateResult type that contains
information about the results of the update operation, such as the
number of modified documents.
To learn more about the update_many()
method, see the
Update Documents section of the Modify Documents guide.
Example
This example updates a document in the restaurants
collection of
the sample_restaurants
database.
The following code adds the near_me
field to documents in which the
value of the address.street
field is "Sullivan Street"
and the
borough
field is "Manhattan"
.
Select the Asynchronous or Synchronous tab to see the corresponding code for each runtime:
use std::env; use mongodb::{ bson::doc, Client, Collection }; use bson::Document; async fn main() -> mongodb::error::Result<()> { let uri = "<connection string>"; let client = Client::with_uri_str(uri).await?; let my_coll: Collection<Document> = client .database("sample_restaurants") .collection("restaurants"); let filter = doc! { "address.street": "Sullivan Street", "borough": "Manhattan" }; let update = doc! { "$set": doc! { "near_me": true } }; let res = my_coll.update_many(filter, update, None).await?; println!("Updated documents: {}", res.modified_count); Ok(()) }
// Your values might differ Updated documents: 22
use std::env; use mongodb::{ bson::{ Document, doc }, sync::{ Client, Collection } }; fn main() -> mongodb::error::Result<()> { let uri = "<connection string>"; let client = Client::with_uri_str(uri)?; let my_coll: Collection<Document> = client .database("sample_restaurants") .collection("restaurants"); let filter = doc! { "address.street": "Sullivan Street", "borough": "Manhattan" }; let update = doc! { "$set": doc! { "near_me": true } }; let res = my_coll.update_many(filter, update, None)?; println!("Updated documents: {}", res.modified_count); Ok(()) }
// Your values might differ Updated documents: 22