const AWS = require("aws-sdk"); const DynamoDB = new AWS.DynamoDB.DocumentClient({ region: "ap-northeast-1" }); const co = require("co"); exports.handler = (event, context, callback) => { co(function *(){ // scanの実行 const scanItems= yield DynamoDB.scan({TableName: "demo-table"}).promise(); // queryの実行 const queryItems = yield DynamoDB.query({ TableName: "demo-table", KeyConditionExpression: "#ID =