ddbdoc_update.js - AWS Code Sample


ddbdoc_update.js demonstrates how to use a DocumentClient to create or update an item in an Amazon DynamoDB table.

/** * Copyright 2010-2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. * * This file is licensed under the Apache License, Version 2.0 (the "License"). * You may not use this file except in compliance with the License. A copy of * the License is located at * * http://aws.amazon.com/apache2.0/ * * This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR * CONDITIONS OF ANY KIND, either express or implied. See the License for the * specific language governing permissions and limitations under the License. */ // ABOUT THIS NODE.JS SAMPLE: This sample is part of the SDK for JavaScript Developer Guide topic at // https://docs.aws.amazon.com/sdk-for-javascript/v2/developer-guide/dynamodb-example-document-client.html // Load the AWS SDK for Node.js var AWS = require('aws-sdk'); // Set the region AWS.config.update({region: 'REGION'}); // Create DynamoDB document client var docClient = new AWS.DynamoDB.DocumentClient({apiVersion: '2012-08-10'}); // Create variables to hold numeric key values var season = SEASON_NUMBER; var episode = EPISODES_NUMBER; var params = { TableName: 'EPISODES_TABLE', Key: { 'Season' : season, 'Episode' : episode }, UpdateExpression: 'set Title = :t, Subtitle = :s', ExpressionAttributeValues: { ':t' : 'NEW_TITLE', ':s' : 'NEW_SUBTITLE' } }; docClient.update(params, function(err, data) { if (err) { console.log("Error", err); } else { console.log("Success", data); } });

Sample Details

Service: dynamodb

Last tested: 2018-06-02

Author: AWS-JSDG

Type: full-example