ddb_batchgetitem.ts - AWS Code Sample

ddb_batchgetitem.ts

/* Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved. SPDX-License-Identifier: Apache-2.0 */ /* ABOUT THIS NODE.JS EXAMPLE: This example works with AWS SDK for JavaScript version 3 (v3), which is pending release. The preview version of the SDK is available at https://github.com/aws/aws-sdk-js-v3. This example is in the 'AWS SDK for JavaScript v3 Developer Guide' at // https://docs.aws.amazon.com/sdk-for-javascript/v3/developer-guide/dynamodb-example-table-read-write-batch.html. Purpose: ddb_batchgetitem.ts demonstrates how to retrieve items from an Amazon DynamoDB table. Inputs (replace in code): - REGION - TABLE - KEY_NAME - KEY_VALUE - ATTRIBUTE_NAME Running the code: ts-node ddb_batchgetitem.ts */ // Import required AWS SDK clients and commands for Node.js const { DynamoDBClient, BatchGetItemCommand } = require("@aws-sdk/client-dynamodb"); // Set the AWS Region const REGION = "region"; //e.g. "us-east-1" // Set the parameters const params = { RequestItems: { TABLE_NAME: { Keys: [ { KEY_NAME: { N: "KEY_VALUE" }, KEY_NAME: { N: "KEY_VALUE" }, KEY_NAME: { N: "KEY_VALUE" }, }, ], ProjectionExpression: "ATTRIBUTE_NAME", }, }, }; // Create DynamoDB service object const dbclient = new DynamoDBClient(REGION); const run = async () => { try { const data = await dbclient.send(new BatchGetItemCommand(params)); console.log("Success, items retrieved", data); } catch (err) { console.log("Error", err); } }; run();