DOCSP-51817 Move update usage examples

source/crud/update.txt

@@ -204,28 +204,99 @@ The following shows the updated document resulting from the preceding update ope
       ...
    }
 
-UpdateMany() Example
---------------------
+UpdateOne() Example: Full File
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-The following example uses the ``listingsAndReviews`` collection in the 
-``sample_airbnb`` dataset from the :atlas:`Atlas sample datasets </sample-data/sample-airbnb>`.
+.. include:: /includes/usage-examples/example-intro.rst
+
+The following example is a fully runnable file that finds and updates an
+existing document in the ``restaurants`` collection. Select the
+:guilabel:`Struct` or :guilabel:`bson.D` tab to see the corresponding code:
+
+.. tabs::
+
+   .. tab:: Struct
+      :tabid: structExample
+
+      The following code uses a struct to define the filter and update a document in the ``restuarants`` collection:
+
+      .. io-code-block::
+         :copyable: true
+
+         .. input:: /includes/usage-examples/code-snippets/updateOne.go
+            :language: go
+            :dedent:
+
+         .. output::
+            :language: none
+            :visible: false
+
+            Documents updated: 1
+
+   .. tab:: bson.D
+      :tabid: bsonDExample
+
+      The following code uses a ``bson.D`` type to define the filter and update a document in the ``restuarants`` collection:
+
+      .. io-code-block::
+         :copyable: true
+
+         .. input:: /includes/usage-examples/code-snippets/updateOneBson.go   
+            :language: go
+            :dedent:
+
+         .. output::
+            :language: none
+            :visible: false  
+
+            Documents updated: 1
+
+UpdateMany() Example: Full File
+-------------------------------
+
+.. include:: /includes/usage-examples/example-intro.rst
+
+The following example is a fully runnable file that finds and updates multiple
+exisiting documents in the ``restaurants`` collection. Select the
+:guilabel:`Struct` or :guilabel:`bson.D` tab to see the corresponding code:
+
+.. tabs::
+
+   .. tab:: Struct
+      :tabid: structExample
+
+      The following code uses a struct to define the filter and update multiple documents in the ``restuarants`` collection:
+
+      .. io-code-block::
+         :copyable: true
+
+         .. input:: /includes/usage-examples/code-snippets/updateMany.go
+            :language: go
+            :dedent:
+
+         .. output::
+            :language: none
+            :visible: false
+
+            Documents updated: 296
+
+   .. tab:: bson.D
+      :tabid: bsonDExample
 
-The following example uses the ``UpdateMany()`` method to:
+      The following code uses a ``bson.D`` type to define the filter and update multiple documents in the ``restuarants`` collection:
 
-- Match documents in which the value of the ``address.market`` field is ``"Sydney"``.
-- Multiply the ``price`` value in the matched documents by ``1.15``
+      .. io-code-block::
+         :copyable: true
 
-.. literalinclude:: /includes/usage-examples/code-snippets/updateMany.go
-   :start-after: begin updatemany
-   :end-before: end updatemany
-   :emphasize-lines: 9
-   :language: go
-   :copyable:
-   :dedent:
+         .. input:: /includes/usage-examples/code-snippets/updateManyBson.go
+            :language: go
+            :dedent:
 
-The update operation updates ``609`` documents. 
+         .. output::
+            :language: none
+            :visible: false  
 
-To learn more about how to retrieve multiple documents, see :ref:`golang-find-example`.
+            Documents updated: 296
 
 Additional Information
 ----------------------

source/includes/usage-examples/code-snippets/updateMany.go

@@ -13,6 +13,25 @@ import (
 	"go.mongodb.org/mongo-driver/v2/mongo/options"
 )
 
+// Defines a Restaurant struct as a model for documents in the "restaurants" collection
+type Restaurant struct {
+	ID            bson.ObjectID `bson:"_id"`
+	Name          string        `bson:"name"`
+	Cuisine       string        `bson:"cuisine"`
+	AverageRating float64       `bson:"avg_rating,omitempty"`
+}
+
+// Create a filter struct to specify the documents to update
+type UpdateManyRestaurantFilter struct {
+	Cuisine string `bson:"cuisine"`
+	Borough string `bson:"borough"`
+}
+
+// Defines a RestaurantUpdate struct to specify the fields to update
+type RestaurantUpdateMany struct {
+	AverageRating float64 `bson:"avg_rating"`
+}
+
 func main() {
 	if err := godotenv.Load(); err != nil {
 		log.Println("No .env file found")
@@ -33,24 +52,23 @@ func main() {
 		}
 	}()
 
-	// begin updatemany
-	coll := client.Database("sample_airbnb").Collection("listingsAndReviews")
-	filter := bson.D{{"address.market", "Sydney"}}
+	coll := client.Database("sample_restaurants").Collection("restaurants")
+	filter := UpdateManyRestaurantFilter{
+		Cuisine: "Pizza",
+		Borough: "Brooklyn",
+	}
 
-	// Creates instructions to update the values of the "price" field
-	update := bson.D{{"$mul", bson.D{{"price", 1.15}}}}
+	// Creates instructions to update the values of the "AverageRating" field
+	update := bson.D{{"$set", RestaurantUpdateMany{AverageRating: 4.5}}}
 
-	// Updates documents in which the value of the "address.market"
-	// field is "Sydney"
+	// Updates documents in which the value of the "Cuisine"
+	// field is "Pizza"
 	result, err := coll.UpdateMany(context.TODO(), filter, update)
 	if err != nil {
 		panic(err)
 	}
 
 	// Prints the number of updated documents
 	fmt.Printf("Documents updated: %v\n", result.ModifiedCount)
-	// end updatemany
 
-	// When you run this file for the first time, it should print:
-	// Number of documents replaced: 609
 }

source/includes/usage-examples/code-snippets/updateManyBson.go

@@ -0,0 +1,51 @@
+// Updates documents that match a query filter by using the Go driver
+package main
+
+import (
+	"context"
+	"fmt"
+	"log"
+	"os"
+
+	"github.com/joho/godotenv"
+	"go.mongodb.org/mongo-driver/v2/bson"
+	"go.mongodb.org/mongo-driver/v2/mongo"
+	"go.mongodb.org/mongo-driver/v2/mongo/options"
+)
+
+func main() {
+	if err := godotenv.Load(); err != nil {
+		log.Println("No .env file found")
+	}
+
+	var uri string
+	if uri = os.Getenv("MONGODB_URI"); uri == "" {
+		log.Fatal("You must set your 'MONGODB_URI' environment variable. See\n\t https://www.mongodb.com/docs/drivers/go/current/connect/mongoclient/#environment-variable")
+	}
+
+	client, err := mongo.Connect(options.Client().ApplyURI(uri))
+	if err != nil {
+		panic(err)
+	}
+	defer func() {
+		if err = client.Disconnect(context.TODO()); err != nil {
+			panic(err)
+		}
+	}()
+
+	coll := client.Database("sample_restaurants").Collection("restaurants")
+	filter := bson.D{{"cuisine", "Pizza"}, {"borough", "Brooklyn"}}
+
+	// Creates instructions to update the values of the "avg_rating" field
+	update := bson.D{{"$set", bson.D{{"avg_rating", 4.5}}}}
+
+	// Updates documents in which the value of the "cuisine" field is "Pizza"
+	// and the value of the "borough" field is "Brooklyn"
+	result, err := coll.UpdateMany(context.TODO(), filter, update)
+	if err != nil {
+		panic(err)
+	}
+
+	// Prints the number of updated documents
+	fmt.Printf("Documents updated: %v\n", result.ModifiedCount)
+}

source/includes/usage-examples/code-snippets/updateOne.go

@@ -13,6 +13,23 @@ import (
 	"go.mongodb.org/mongo-driver/v2/mongo/options"
 )
 
+// Defines a Restaurant struct as a model for documents in the "restaurants" collection
+type Restaurant struct {
+	ID            bson.ObjectID `bson:"_id"`
+	Name          string        `bson:"name"`
+	AverageRating float64       `bson:"avg_rating,omitempty"`
+}
+
+// Create a filter struct to specify the document to update
+type UpdateRestaurantFilter struct {
+	ID bson.ObjectID `bson:"_id"`
+}
+
+// Defines a RestaurantUpdate struct to specify the fields to update
+type RestaurantUpdate struct {
+	AverageRating float64 `bson:"avg_rating"`
+}
+
 func main() {
 	if err := godotenv.Load(); err != nil {
 		log.Println("No .env file found")
@@ -33,24 +50,20 @@ func main() {
 		}
 	}()
 
-	// begin updateone
 	coll := client.Database("sample_restaurants").Collection("restaurants")
-	id, _ := bson.ObjectIDFromHex("5eb3d668b31de5d588f42a7a")
-	filter := bson.D{{"_id", id}}
+
+	id, _ := bson.ObjectIDFromHex("5eb3d668b31de5d588f4292b")
+	filter := UpdateRestaurantFilter{ID: id}
 
 	// Creates instructions to add the "avg_rating" field to documents
-	update := bson.D{{"$set", bson.D{{"avg_rating", 4.4}}}}
+	update := bson.D{{"$set", RestaurantUpdate{AverageRating: 4.4}}}
 
 	// Updates the first document that has the specified "_id" value
 	result, err := coll.UpdateOne(context.TODO(), filter, update)
 	if err != nil {
 		panic(err)
 	}
-	// end updateone
 
 	// Prints the number of updated documents
 	fmt.Printf("Documents updated: %v\n", result.ModifiedCount)
-
-	// When you run this file for the first time, it should print:
-	// Number of documents replaced: 1
 }

source/includes/usage-examples/code-snippets/updateOneBson.go

@@ -0,0 +1,51 @@
+// Updates the first document that matches a query filter by using the Go driver
+package main
+
+import (
+	"context"
+	"fmt"
+	"log"
+	"os"
+
+	"github.com/joho/godotenv"
+	"go.mongodb.org/mongo-driver/v2/bson"
+	"go.mongodb.org/mongo-driver/v2/mongo"
+	"go.mongodb.org/mongo-driver/v2/mongo/options"
+)
+
+func main() {
+	if err := godotenv.Load(); err != nil {
+		log.Println("No .env file found")
+	}
+
+	var uri string
+	if uri = os.Getenv("MONGODB_URI"); uri == "" {
+		log.Fatal("You must set your 'MONGODB_URI' environment variable. See\n\t https://www.mongodb.com/docs/drivers/go/current/connect/mongoclient/#environment-variable")
+	}
+
+	client, err := mongo.Connect(options.Client().ApplyURI(uri))
+	if err != nil {
+		panic(err)
+	}
+	defer func() {
+		if err = client.Disconnect(context.TODO()); err != nil {
+			panic(err)
+		}
+	}()
+
+	coll := client.Database("sample_restaurants").Collection("restaurants")
+	id, _ := bson.ObjectIDFromHex("5eb3d668b31de5d588f42a7a")
+	filter := bson.D{{"_id", id}}
+
+	// Creates instructions to add the "avg_rating" field to documents
+	update := bson.D{{"$set", bson.D{{"avg_rating", 4.4}}}}
+
+	// Updates the first document that has the specified "_id" value
+	result, err := coll.UpdateOne(context.TODO(), filter, update)
+	if err != nil {
+		panic(err)
+	}
+
+	// Prints the number of updated documents
+	fmt.Printf("Documents updated: %v\n", result.ModifiedCount)
+}