AWS Code Sample

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# # Copyright 2010-2019, 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 # # # # 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" Aws.config.update({ region: "us-west-2", endpoint: "http://localhost:8000" }) dynamodb = table_name = "Movies" params = { table_name: table_name, projection_expression: "#yr, title, info.rating", filter_expression: "#yr between :start_yr and :end_yr", expression_attribute_names: {"#yr"=> "year"}, expression_attribute_values: { ":start_yr" => 1950, ":end_yr" => 1959 } } puts "Scanning Movies table." begin loop do result = dynamodb.scan(params) result.items.each{|movie| puts "#{movie["year"].to_i}: " + "#{movie["title"]} ... " + "#{movie["info"]["rating"].to_f}" } break if result.last_evaluated_key.nil? puts "Scanning for more..." params[:exclusive_start_key] = result.last_evaluated_key end rescue Aws::DynamoDB::Errors::ServiceError => error puts "Unable to scan:" puts "#{error.message}" end

Sample Details

Service: dynamodb

Last tested:

Author: AWS

Type: full-example

On this page: