mirror of https://gitee.com/bigwinds/arangodb
81 lines
2.4 KiB
C++
81 lines
2.4 KiB
C++
////////////////////////////////////////////////////////////////////////////////
|
|
/// 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_PROFILE_H
|
|
#define ARANGOD_AQL_QUERY_PROFILE_H 1
|
|
|
|
#include "Aql/QueryExecutionState.h"
|
|
#include "Basics/Common.h"
|
|
|
|
#include <array>
|
|
|
|
namespace arangodb {
|
|
|
|
namespace velocypack {
|
|
class Builder;
|
|
}
|
|
|
|
namespace aql {
|
|
class Query;
|
|
|
|
struct QueryProfile {
|
|
QueryProfile(QueryProfile const&) = delete;
|
|
QueryProfile& operator=(QueryProfile const&) = delete;
|
|
|
|
explicit QueryProfile(Query*);
|
|
|
|
~QueryProfile();
|
|
|
|
public:
|
|
double setStateDone(QueryExecutionState::ValueType);
|
|
|
|
/// @brief sets the absolute end time for an execution state
|
|
void setStateEnd(QueryExecutionState::ValueType state, double time);
|
|
|
|
/// @brief get a timer time
|
|
inline double timer(QueryExecutionState::ValueType t) const {
|
|
return _timers[QueryExecutionState::toNumber(t)];
|
|
}
|
|
|
|
/// @brief convert the profile to VelocyPack
|
|
void toVelocyPack(arangodb::velocypack::Builder&) const;
|
|
|
|
private:
|
|
Query* _query;
|
|
std::array<double, static_cast<size_t>(QueryExecutionState::ValueType::INVALID_STATE)> _timers;
|
|
double _lastStamp;
|
|
bool _tracked;
|
|
};
|
|
|
|
// we want the number of execution states to be quite low
|
|
// as we reserve a statically sized array for it
|
|
static_assert(static_cast<int>(QueryExecutionState::ValueType::INITIALIZATION) == 0,
|
|
"unexpected min QueryExecutionState enum value");
|
|
static_assert(static_cast<int>(QueryExecutionState::ValueType::INVALID_STATE) < 10,
|
|
"unexpected max QueryExecutionState enum value");
|
|
|
|
} // namespace aql
|
|
} // namespace arangodb
|
|
|
|
#endif
|