1
0
Fork 0
arangodb/arangod/Aql/ExecutionStats.cpp

142 lines
5.2 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
////////////////////////////////////////////////////////////////////////////////
#include "Aql/ExecutionStats.h"
#include "Basics/Exceptions.h"
#include <velocypack/Builder.h>
#include <velocypack/Value.h>
#include <velocypack/velocypack-aliases.h>
using namespace arangodb::aql;
using Json = arangodb::basics::Json;
using JsonHelper = arangodb::basics::JsonHelper;
////////////////////////////////////////////////////////////////////////////////
/// @brief convert the statistics to VelocyPack
////////////////////////////////////////////////////////////////////////////////
std::shared_ptr<VPackBuilder> ExecutionStats::toVelocyPack() const {
auto result = std::make_shared<VPackBuilder>();
{
VPackObjectBuilder b(result.get());
result->add("writesExecuted", VPackValue(writesExecuted));
result->add("writesIgnored", VPackValue(writesIgnored));
result->add("scannedFull", VPackValue(scannedFull));
result->add("scannedIndex", VPackValue(scannedIndex));
result->add("filtered", VPackValue(filtered));
if (fullCount > -1) {
// fullCount is exceptional. it has a default value of -1 and is
// not reported with this value
result->add("fullCount", VPackValue(fullCount));
}
result->add("executionTime", VPackValue(executionTime));
}
return result;
}
std::shared_ptr<VPackBuilder> ExecutionStats::toVelocyPackStatic() {
auto result = std::make_shared<VPackBuilder>();
VPackObjectBuilder b(result.get());
result->add("writesExecuted", VPackValue(0));
result->add("writesIgnored", VPackValue(0));
result->add("scannedFull", VPackValue(0));
result->add("scannedIndex", VPackValue(0));
result->add("filtered", VPackValue(0));
result->add("fullCount", VPackValue(-1));
result->add("executionTime", VPackValue(0.0));
return result;
}
////////////////////////////////////////////////////////////////////////////////
/// @brief convert the statistics to JSON
////////////////////////////////////////////////////////////////////////////////
Json ExecutionStats::toJson() const {
Json json(Json::Object, 5);
json.set("writesExecuted", Json(static_cast<double>(writesExecuted)));
json.set("writesIgnored", Json(static_cast<double>(writesIgnored)));
json.set("scannedFull", Json(static_cast<double>(scannedFull)));
json.set("scannedIndex", Json(static_cast<double>(scannedIndex)));
json.set("filtered", Json(static_cast<double>(filtered)));
if (fullCount > -1) {
// fullCount is exceptional. it has a default value of -1 and is
// not reported with this value
json.set("fullCount", Json(static_cast<double>(fullCount)));
}
json.set("executionTime", Json(executionTime));
return json;
}
Json ExecutionStats::toJsonStatic() {
Json json(Json::Object, 8);
json.set("writesExecuted", Json(0.0));
json.set("writesIgnored", Json(0.0));
json.set("scannedFull", Json(0.0));
json.set("scannedIndex", Json(0.0));
json.set("filtered", Json(0.0));
json.set("fullCount", Json(-1.0));
json.set("static", Json(0.0));
json.set("executionTime", Json(0.0));
return json;
}
ExecutionStats::ExecutionStats()
: writesExecuted(0),
writesIgnored(0),
scannedFull(0),
scannedIndex(0),
filtered(0),
fullCount(-1),
executionTime(0.0) {}
ExecutionStats::ExecutionStats(arangodb::basics::Json const& jsonStats) {
if (!jsonStats.isObject()) {
THROW_ARANGO_EXCEPTION_MESSAGE(TRI_ERROR_INTERNAL,
"stats is not an object");
}
writesExecuted = JsonHelper::checkAndGetNumericValue<int64_t>(
jsonStats.json(), "writesExecuted");
writesIgnored = JsonHelper::checkAndGetNumericValue<int64_t>(jsonStats.json(),
"writesIgnored");
scannedFull = JsonHelper::checkAndGetNumericValue<int64_t>(jsonStats.json(),
"scannedFull");
scannedIndex = JsonHelper::checkAndGetNumericValue<int64_t>(jsonStats.json(),
"scannedIndex");
filtered = JsonHelper::checkAndGetNumericValue<int64_t>(jsonStats.json(),
"filtered");
// note: fullCount is an optional attribute!
fullCount =
JsonHelper::getNumericValue<int64_t>(jsonStats.json(), "fullCount", -1);
// intentionally no modification of executionTime
}