【aws-sdk-dynamodb】Aws::DynamoDB::Errors::ValidationException The provided key element does not match the schema【ruby】 - Qiita

# clientオブジェクトを用意 client = Aws::DynamoDB::Client.new( access_key_id: ENV['AWS_ACCESS_KEY_ID'], secret_access_key: ENV['AWS_SECRET_ACCESS_KEY'], region: ENV['AWS_REGION'] ) # 特定のカラムの値を更新 client.update_item({ table_name: "test_table", key: {Id: 1}, update_expression: "SET #{column} = :val", expression_attribute_values: {':val' => value } })