dynamodb-queries.js

const aws = require('aws-sdk');

const ddb = new aws.DynamoDB();

exports.handler = async (event) => {
    const params = {
        Item: {
            OrderId: {S: '01CTN1N01N8E3QEQ926RM4QYFS'},
            OrderInformation: {M: {}},
            ShopId: {N: '0'}
        },
        ConditionExpression: 'attribute_not_exists(#id) AND attribute_not_exists(#shop)',
        ExpressionAttributeNames: {
                '#id': 'OrderId',
                '#shop': 'ShopId'
        },
        ReturnConsumedCapacity: 'TOTAL',
        TableName: 'StarbucksOrdersWithUlids'
    };
    const qParams = {
        ExclusiveStartKey: {
            OrderId: {S: '01CTN1N01N8E3QEQ926RM4QYFQ'},
            ShopId: {N: '0'}
        },
        ExpressionAttributeValues: {
            ':v1': {N: '0'}
        },
        KeyConditionExpression: 'ShopId = :v1',
        // Select: 'COUNT',
        Limit: 3,
        TableName: 'StarbucksOrdersWithUlids'
    };
    await ddb.query(qParams).promise()
    // await ddb.putItem(params).promise()
    .then(data => console.log(data))
    //.then(data => console.log(data.Items.map(x => x.OrderId)))
    .catch(err => console.log(err));
    // TODO implement
    const response = {
        statusCode: 200,
        body: JSON.stringify('Hello from Lambda!')
    };
    return response;
};