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arangodb/arangod/Aql/ExecutionStats.cpp

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3.2 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;
/// @brief convert the statistics to VelocyPack
void ExecutionStats::toVelocyPack(VPackBuilder& builder) const {
builder.openObject();
builder.add("writesExecuted", VPackValue(writesExecuted));
builder.add("writesIgnored", VPackValue(writesIgnored));
builder.add("scannedFull", VPackValue(scannedFull));
builder.add("scannedIndex", VPackValue(scannedIndex));
builder.add("filtered", VPackValue(filtered));
if (fullCount > -1) {
// fullCount is exceptional. it has a default value of -1 and is
// not reported with this value
builder.add("fullCount", VPackValue(fullCount));
}
builder.add("executionTime", VPackValue(executionTime));
builder.close();
}
void ExecutionStats::toVelocyPackStatic(VPackBuilder& builder) {
builder.openObject();
builder.add("writesExecuted", VPackValue(0));
builder.add("writesIgnored", VPackValue(0));
builder.add("scannedFull", VPackValue(0));
builder.add("scannedIndex", VPackValue(0));
builder.add("filtered", VPackValue(0));
builder.add("fullCount", VPackValue(-1));
builder.add("executionTime", VPackValue(0.0));
builder.close();
}
ExecutionStats::ExecutionStats()
: writesExecuted(0),
writesIgnored(0),
scannedFull(0),
scannedIndex(0),
filtered(0),
fullCount(-1),
executionTime(0.0) {}
ExecutionStats::ExecutionStats(VPackSlice const& slice) {
if (!slice.isObject()) {
THROW_ARANGO_EXCEPTION_MESSAGE(TRI_ERROR_INTERNAL,
"stats is not an object");
}
writesExecuted = slice.get("writesExecuted").getNumber<int64_t>();
writesIgnored = slice.get("writesIgnored").getNumber<int64_t>();
scannedFull = slice.get("scannedFull").getNumber<int64_t>();
scannedIndex = slice.get("scannedIndex").getNumber<int64_t>();
filtered = slice.get("filtered").getNumber<int64_t>();
// note: fullCount is an optional attribute!
if (slice.hasKey("fullCount")) {
fullCount = slice.get("fullCount").getNumber<int64_t>();
}
else {
fullCount = -1;
}
// intentionally no modification of executionTime
}