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arangodb/arangod/Aql/QueryExecutionState.h

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////////////////////////////////////////////////////////////////////////////////
/// DISCLAIMER
///
/// Copyright 2014-2016 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
////////////////////////////////////////////////////////////////////////////////
#ifndef ARANGOD_AQL_QUERY_EXECUTION_STATE_H
#define ARANGOD_AQL_QUERY_EXECUTION_STATE_H 1
#include "Basics/Common.h"
#include <iosfwd>
namespace arangodb {
namespace aql {
namespace QueryExecutionState {
/// @brief execution states
enum class ValueType {
INITIALIZATION = 0,
PARSING,
AST_OPTIMIZATION,
LOADING_COLLECTIONS,
PLAN_INSTANTIATION,
PLAN_OPTIMIZATION,
EXECUTION,
FINALIZATION,
FINISHED,
INVALID_STATE
};
QueryExecutionState::ValueType fromNumber(size_t value);
size_t toNumber(QueryExecutionState::ValueType value);
std::string toString(QueryExecutionState::ValueType state);
std::string toStringWithPrefix(QueryExecutionState::ValueType state);
} // namespace QueryExecutionState
} // namespace aql
} // namespace arangodb
std::ostream& operator<<(std::ostream&, arangodb::aql::QueryExecutionState::ValueType);
#endif