With the replaceOne, you can include an UpdateOptions document to specify the upsert option or the bypassDocumentationValidation option. append("categories", Arrays.asList("Salads", "Health Foods", "Buffet"))) New Document("name", "Green Salads Buffet")
The following operation on the restaurants collection replaces the document whose _id field equals ObjectId("57506d62f57802807471dd41"). In the replacement document, you can omit the _id field since the _id field is immutable however, if you do include the _id field, you cannot specify a different value for the _id field. The replacement document can have different fields from the original document. To replace an existing document in a collection, you can use the collection’s replaceOne method. New UpdateOptions().upsert(true).bypassDocumentValidation(true)) collection.updateOne(Ĭombine(set("name", "Fresh Breads and Tulips"), currentDate("lastModified")), With the updateOne() and updateMany methods, you can include an UpdateOptions document to specify the upsert option or the bypassDocumentationValidation option. If the lastModified field does not exist, the operator adds the field to the document. Updates.currentDate to modify the lastModified field to the current date. t to set the value of the stars field to 0, and collection.updateMany(Ĭombine(set("stars", 0), currentDate("lastModified"))) The following operation on the restaurants collection updates all documents whose stars field equals 2. The updateMany method updates all documents that match the filter condition. In some cases where you may need to update many fields in a document, it may be more efficient to replace the document. append("categories", Arrays.asList("Coffee", "Pastries")) append("contact", new Document("phone", "60") append("categories", Arrays.asList("Pizzeria", "Italian", "Pasta")) ĭocument doc2 = new Document("name", "Blue Coffee Bar") append("contact", new Document("phone", "26") The following example inserts two documents to the collection: Document doc1 = new Document("name", "Amarcord Pizzeria") To add multiple documents, you can use the collection’s insertMany() method, which takes a list of documents to insert.
#MONGODB COMPASS UPDATE MULTIPLE DOCUMENTS DRIVER#
If no top-level _id field is specified in the document, the Java driver automatically adds the _id field to the inserted document. append("categories", Arrays.asList("Bakery", "Coffee", "Pastries")) append("contact", new Document("phone", "22") Document document = new Document("name", "Café Con Leche") To insert a single document into the collection, you can use the collection’s insertOne() method. MongoCollection collection = database.getCollection("restaurants") įor additional information on connecting to MongoDB, see Connect to MongoDB. MongoDatabase database = mongoClient.getDatabase("test")
#MONGODB COMPASS UPDATE MULTIPLE DOCUMENTS CODE#
Import static .Updates.* Ĭonnect to a MongoDB deployment and declare and define a MongoDatabase instance.įor example, include the following code to connect to a standalone MongoDB deployment running on localhost on port 27017 and define database to refer to the test database and collection to refer to the restaurants collection: MongoClient mongoClient = MongoClients.create() Include the following import statements: import com.mongodb.* To create and populate the collection, follow the directions in github. The example below requires a restaurants collection in the test database. Perform write operations to insert new documents into a collection, update existing document or documents in a collection, replace an existing document in a collection, or delete existing document or documents from a collection. Write Operations (Insert, Update, Replace, Delete)
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