/* jshint -W051:true */
'use strict';

////////////////////////////////////////////////////////////////////////////////
// @brief initialize a new database
//
// @file
//
// DISCLAIMER
//
// Copyright 2014 ArangoDB GmbH, Cologne, Germany
//
// 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.
//
// Copyright holder is ArangoDB GmbH, Cologne, Germany
//
// @author Dr. Frank Celler
// @author Copyright 2014, ArangoDB GmbH, Cologne, Germany
////////////////////////////////////////////////////////////////////////////////

(function () {
  var internal = require('internal');
  var console = require('console');
  var db = internal.db;

  // run the upgrade-database script
  var result = internal.loadStartup('server/upgrade-database.js');
  
  if (result) {
    delete global.UPGRADE_TYPE;
  }

  result = global.UPGRADE_STARTED && result;
  delete global.UPGRADE_STARTED;
  delete global.UPGRADE_ARGS;

  // expire database cache
  try {
    global.KEY_SET('queue-control', 'databases-expire', 0);
  } catch (err) {
    // it is of no real importance if cache invalidation fails, because
    // the cache entry has a ttl
  }

  return result;
}());