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dynamodb_ruby_example_read_movies_item.rb

Gets an item from a DynamoDB table.

# Copyright 2010-2018 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. require 'aws-sdk-dynamodb' # v2: require 'aws-sdk' # Create dynamodb client in us-west-2 region dynamodb = Aws::DynamoDB::Client.new(region: 'us-west-2') params = { table_name: 'Movies', key: { year: 2015, title: 'The Big New Movie' } } begin result = dynamodb.get_item(params) if result.item == nil puts 'Could not find movie' exit 0 end puts 'Found movie:' puts ' Year: ' + result.item['year'].to_i.to_s puts ' Title: ' + result.item['title'] puts ' Plot: ' + result.item['info']['plot'] puts ' Rating: ' + result.item['info']['rating'].to_f.to_s rescue Aws::DynamoDB::Errors::ServiceError => error puts 'Unable to find movie:' puts error.message end

Sample Details

Service: dynamodb

Last tested: 2018-03-16

Author: Doug-AWS

Type: full-example

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