query-consistent-read.js

const AWS = require("aws-sdk");

const documentClient = new AWS.DynamoDB.DocumentClient({ region: "us-west-2" });

const query = async () => {
  const response = await documentClient
    .query({
      TableName: "Music",
      KeyConditionExpression: "#pk = :pk",
      ExpressionAttributeNames: {
        "#pk": "Artist",
      },
      ExpressionAttributeValues: {
        ":pk": "Michael Jackson",
      },
      ConsistentRead: true,
    })
    .promise();

  if (response.LastEvaluatedKey) {
    console.log(
      `Not all items have been retrieved by this query. At least one another request is required to get all available items. The last evaluated key corresponds to ${JSON.stringify(
        response.LastEvaluatedKey
      )}.`
    );
  }

  console.log(`Query response: ${JSON.stringify(response, null, 2)}`);
};

query().catch((error) => console.error(JSON.stringify(error, null, 2)));