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arangodb/arangod/Aql/ReturnExecutor.cpp

48 lines
1.8 KiB
C++

////////////////////////////////////////////////////////////////////////////////
/// DISCLAIMER
///
/// Copyright 2018 ArangoDB 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 Christoph Uhde
////////////////////////////////////////////////////////////////////////////////
#include "ReturnExecutor.h"
#include "Aql/AqlValue.h"
#include "Aql/OutputAqlItemRow.h"
#include "Aql/SingleRowFetcher.h"
#include "Basics/Common.h"
#include <algorithm>
using namespace arangodb;
using namespace arangodb::aql;
ReturnExecutorInfos::ReturnExecutorInfos(RegisterId inputRegister, RegisterId nrInputRegisters,
RegisterId nrOutputRegisters, bool doCount)
: ExecutorInfos(make_shared_unordered_set({inputRegister}),
make_shared_unordered_set({0}), nrInputRegisters, nrOutputRegisters,
std::unordered_set<RegisterId>{} /*to clear*/,
std::unordered_set<RegisterId>{} /*to keep*/
),
_inputRegisterId(inputRegister),
_doCount(doCount) {}
ReturnExecutor::ReturnExecutor(Fetcher& fetcher, ReturnExecutorInfos& infos)
: _infos(infos), _fetcher(fetcher) {}
ReturnExecutor::~ReturnExecutor() = default;