////////////////////////////////////////////////////////////////////////////////
/// @brief Aql, execution statistics
///
/// @file
///
/// DISCLAIMER
///
/// Copyright 2014 ArangoDB GmbH, Cologne, Germany
/// Copyright 2004-2014 triAGENS 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 Jan Steemann
/// @author Copyright 2014, ArangoDB GmbH, Cologne, Germany
/// @author Copyright 2012-2013, triAGENS GmbH, Cologne, Germany
////////////////////////////////////////////////////////////////////////////////

#ifndef ARANGODB_AQL_EXECUTION_STATS_H
#define ARANGODB_AQL_EXECUTION_STATS_H 1

#include "Basics/Common.h"
#include "Basics/JsonHelper.h"

namespace triagens {
  namespace aql {

    struct ExecutionStats {

////////////////////////////////////////////////////////////////////////////////
/// @brief convert the statistics to JSON
////////////////////////////////////////////////////////////////////////////////

      triagens::basics::Json toJson () const;

////////////////////////////////////////////////////////////////////////////////
/// @brief number of successfully executed write operations
////////////////////////////////////////////////////////////////////////////////

      int64_t writesExecuted = 0;

////////////////////////////////////////////////////////////////////////////////
/// @brief number of ignored write operations (ignored due to errors)
////////////////////////////////////////////////////////////////////////////////

      int64_t writesIgnored = 0;

////////////////////////////////////////////////////////////////////////////////
/// @brief number of documents scanned (full-collection scan)
////////////////////////////////////////////////////////////////////////////////

      int64_t scannedFull = 0; 

////////////////////////////////////////////////////////////////////////////////
/// @brief number of documents scanned (using indexes scan)
////////////////////////////////////////////////////////////////////////////////

      int64_t scannedIndex = 0; 

    };

  }
}

#endif

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