mirror of https://gitee.com/bigwinds/arangodb
82 lines
2.8 KiB
C++
82 lines
2.8 KiB
C++
////////////////////////////////////////////////////////////////////////////////
|
|
/// DISCLAIMER
|
|
///
|
|
/// Copyright 2019 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 Tobias Gödderz
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef TESTS_AQL_MULTIDEPFETCHERHELPER_H
|
|
#define TESTS_AQL_MULTIDEPFETCHERHELPER_H
|
|
|
|
#include "Aql/ExecutionBlock.h"
|
|
#include "Aql/ExecutionState.h"
|
|
#include "Aql/ExecutionStats.h"
|
|
#include "Aql/MultiDependencySingleRowFetcher.h"
|
|
#include "Aql/OutputAqlItemRow.h"
|
|
#include "Aql/SharedAqlItemBlockPtr.h"
|
|
|
|
#include <boost/variant.hpp>
|
|
|
|
#include <tuple>
|
|
|
|
namespace arangodb {
|
|
namespace tests {
|
|
namespace aql {
|
|
|
|
// std::pair<ExecutionState, size_t> preFetchNumberOfRows(size_t atMost)
|
|
struct PrefetchNumberOfRows {
|
|
using Result = std::pair<arangodb::aql::ExecutionState, size_t>;
|
|
size_t atMost;
|
|
};
|
|
|
|
// std::pair<ExecutionState, InputAqlItemRow> fetchRowForDependency(size_t dependency, size_t atMost)
|
|
struct FetchRowForDependency {
|
|
using Result = std::pair<arangodb::aql::ExecutionState, arangodb::aql::InputAqlItemRow>;
|
|
size_t dependency;
|
|
size_t atMost;
|
|
};
|
|
|
|
// std::pair<ExecutionState, size_t> skipRowsForDependency(size_t dependency, size_t atMost);
|
|
struct SkipRowsForDependency {
|
|
using Result = std::pair<arangodb::aql::ExecutionState, size_t>;
|
|
size_t dependency;
|
|
size_t atMost;
|
|
};
|
|
|
|
// std::pair<ExecutionState, ShadowAqlItemRow> fetchShadowRow(size_t atMost);
|
|
struct FetchShadowRow {
|
|
using Result = std::pair<arangodb::aql::ExecutionState, arangodb::aql::ShadowAqlItemRow>;
|
|
size_t atMost;
|
|
};
|
|
|
|
template <class FetcherCallT>
|
|
using ConcreteFetcherIOPair = std::pair<FetcherCallT, typename FetcherCallT::Result>;
|
|
|
|
using FetcherIOPair =
|
|
boost::variant<ConcreteFetcherIOPair<PrefetchNumberOfRows>, ConcreteFetcherIOPair<FetchRowForDependency>,
|
|
ConcreteFetcherIOPair<SkipRowsForDependency>, ConcreteFetcherIOPair<FetchShadowRow>>;
|
|
|
|
void runFetcher(arangodb::aql::MultiDependencySingleRowFetcher& testee,
|
|
std::vector<FetcherIOPair> const& inputOutputPairs);
|
|
|
|
} // namespace aql
|
|
} // namespace tests
|
|
} // namespace arangodb
|
|
|
|
#endif // TESTS_AQL_MULTIDEPFETCHERHELPER_H
|