minimal.cxx

• minimal example of SDK, stores single document into the collection.
  • minimal example of SDK, stores single document into the collection.

/* -*- Mode: C++; tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/*
 *   Copyright 2021-Present Couchbase, Inc.
 *
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License 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.
 */
 
#include <couchbase/cluster.hxx>
#include <couchbase/fmt/error.hxx>
#include <couchbase/logger.hxx>
 
#include <iostream>
#include <system_error>
 
static constexpr auto connection_string{ "couchbase://127.0.0.1" };
static constexpr auto username{ "Administrator" };
static constexpr auto password{ "password" };
static constexpr auto bucket_name{ "default" };
static constexpr auto scope_name{ couchbase::scope::default_name };
static constexpr auto collection_name{ couchbase::collection::default_name };
 
int
main()
{
  couchbase::logger::initialize_console_logger();
  couchbase::logger::set_level(couchbase::logger::log_level::trace);
 
  auto options = couchbase::cluster_options(username, password);
  options.apply_profile("wan_development");
  auto [connect_err, cluster] = couchbase::cluster::connect(connection_string, options).get();
  if (connect_err) {
    std::cout << "Unable to connect to the cluster. ec: " << fmt::format("{}", connect_err) << "\n";
  } else {
    auto collection = cluster.bucket(bucket_name).scope(scope_name).collection(collection_name);
 
    const std::string document_id{ "minimal_example" };
    const tao::json::value basic_doc{
      { "a", 1.0 },
      { "b", 2.0 },
    };
 
    auto [err, resp] = collection.upsert(document_id, basic_doc, {}).get();
    if (err.ec()) {
      std::cout << "ec: " << err.ec().message() << ", ";
    }
    std::cout << "id: " << document_id << ", CAS: " << resp.cas().value() << "\n";
  }
 
  cluster.close().get();
 
  return 0;
}