mirror of https://gitee.com/bigwinds/arangodb
108 lines
3.1 KiB
C++
108 lines
3.1 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// DISCLAIMER
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///
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/// Copyright 2014-2016 ArangoDB GmbH, Cologne, Germany
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/// Copyright 2004-2014 triAGENS GmbH, Cologne, Germany
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// You may obtain a copy of the License at
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///
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/// http://www.apache.org/licenses/LICENSE-2.0
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///
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/// Unless required by applicable law or agreed to in writing, software
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/// distributed under the License is distributed on an "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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/// See the License for the specific language governing permissions and
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/// limitations under the License.
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///
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/// Copyright holder is ArangoDB GmbH, Cologne, Germany
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///
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/// @author Jan Steemann
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////////////////////////////////////////////////////////////////////////////////
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#ifndef ARANGOD_AQL_EXECUTION_STATS_H
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#define ARANGOD_AQL_EXECUTION_STATS_H 1
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#include "Basics/Common.h"
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#include <velocypack/Builder.h>
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#include <velocypack/Slice.h>
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namespace arangodb {
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namespace velocypack {
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class Builder;
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}
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namespace aql {
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struct ExecutionStats {
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ExecutionStats();
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/// @brief instantiate the statistics from VelocyPack
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explicit ExecutionStats(arangodb::velocypack::Slice const& slice);
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/// @brief convert the statistics to VelocyPack
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void toVelocyPack(arangodb::velocypack::Builder&) const;
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/// @brief create empty statistics for VelocyPack
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static void toVelocyPackStatic(arangodb::velocypack::Builder&);
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/// @brief sets query execution time from the outside
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void setExecutionTime(double value) { executionTime = value; }
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/// @brief sumarize two sets of ExecutionStats
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void add(ExecutionStats const& summand) {
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writesExecuted += summand.writesExecuted;
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writesIgnored += summand.writesIgnored;
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scannedFull += summand.scannedFull;
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scannedIndex += summand.scannedIndex;
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filtered += summand.filtered;
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httpRequests += summand.httpRequests;
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if (summand.fullCount > 0) {
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// fullCount may be negative, don't add it then
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fullCount += summand.fullCount;
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}
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// intentionally no modification of executionTime
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}
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void clear() {
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writesExecuted = 0;
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writesIgnored = 0;
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scannedFull = 0;
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scannedIndex = 0;
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filtered = 0;
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httpRequests = 0;
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fullCount = -1;
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executionTime = 0.0;
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}
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/// @brief number of successfully executed write operations
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int64_t writesExecuted;
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/// @brief number of ignored write operations (ignored due to errors)
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int64_t writesIgnored;
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/// @brief number of documents scanned (full-collection scan)
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int64_t scannedFull;
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/// @brief number of documents scanned (using indexes scan)
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int64_t scannedIndex;
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/// @brief number of documents filtered away
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int64_t filtered;
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/// @brief total number of HTTP requests made
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int64_t httpRequests;
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/// @brief total number of results, before applying last limit
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int64_t fullCount;
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/// @brief query execution time (wall-clock time). value will be set from
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/// the outside
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double executionTime;
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};
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}
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}
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#endif
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