AWS Code Sample
Catalog

The AWS Documentation website is getting a new look!
Try it now and let us know what you think. Switch to the new look >>

You can return to the original look by selecting English in the language selector above.

MoviesQuery02.rb

# # Copyright 2010-2019 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" Aws.config.update({ region: "us-west-2", endpoint: "http://localhost:8000" }) dynamodb = Aws::DynamoDB::Client.new table_name = "Movies" params = { table_name: table_name, projection_expression: "#yr, title, info.genres, info.actors[0]", key_condition_expression: "#yr = :yyyy and title between :letter1 and :letter2", expression_attribute_names: { "#yr" => "year" }, expression_attribute_values: { ":yyyy" => 1992, ":letter1" => "A", ":letter2" => "L" } } puts "Querying for movies from 1992 - titles A-L, with genres and lead actor" begin result = dynamodb.query(params) puts "Query succeeded." result.items.each{|movie| print "#{movie["year"].to_i}: #{movie["title"]} ... " movie['info']['genres'].each{|gen| print gen + " " } print " ... #{movie["info"]["actors"][0]}\n" } rescue Aws::DynamoDB::Errors::ServiceError => error puts "Unable to query table:" puts "#{error.message}" end

Sample Details

Service: dynamodb

Last tested:

Author: AWS

Type: full-example

On this page: