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arangodb/tests/Aql/HashedCollectExecutorTest.cpp

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////////////////////////////////////////////////////////////////////////////////
/// 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 Tobias Goedderz
/// @author Michael Hackstein
/// @author Heiko Kernbach
/// @author Jan Christoph Uhde
////////////////////////////////////////////////////////////////////////////////
#include "gtest/gtest.h"
#include "RowFetcherHelper.h"
#include "fakeit.hpp"
#include "Aql/AqlItemBlock.h"
#include "Aql/Collection.h"
#include "Aql/ExecutionBlockImpl.h"
#include "Aql/ExecutionEngine.h"
#include "Aql/ExecutorInfos.h"
#include "Aql/HashedCollectExecutor.h"
#include "Aql/OutputAqlItemRow.h"
#include "Aql/SingleRowFetcher.h"
#include "Transaction/Context.h"
#include "Transaction/Methods.h"
#include "tests/Mocks/Servers.h"
#include <velocypack/Builder.h>
#include <velocypack/velocypack-aliases.h>
#include <functional>
using namespace arangodb;
using namespace arangodb::aql;
namespace arangodb {
namespace tests {
namespace aql {
class HashedCollectExecutorTestNoRows : public ::testing::Test {
protected:
ExecutionState state;
ResourceMonitor monitor;
AqlItemBlockManager itemBlockManager;
mocks::MockAqlServer server;
std::unique_ptr<arangodb::aql::Query> fakedQuery;
arangodb::transaction::Methods* trx;
std::unordered_set<RegisterId> const regToClear;
std::unordered_set<RegisterId> const regToKeep;
std::vector<std::pair<RegisterId, RegisterId>> groupRegisters;
std::vector<std::string> aggregateTypes;
std::vector<std::pair<RegisterId, RegisterId>> aggregateRegisters;
// if count = true, then we need to set a countRegister
RegisterId collectRegister;
bool count;
std::unordered_set<RegisterId> readableInputRegisters;
std::unordered_set<RegisterId> writeableOutputRegisters;
HashedCollectExecutorInfos infos;
SharedAqlItemBlockPtr block;
VPackBuilder input;
NoStats stats;
HashedCollectExecutorTestNoRows()
: itemBlockManager(&monitor),
fakedQuery(server.createFakeQuery()),
trx(fakedQuery->trx()),
groupRegisters{std::make_pair<RegisterId, RegisterId>(1, 2)},
collectRegister(0),
count(false),
infos(2 /*nrIn*/, 2 /*nrOut*/, regToClear, regToKeep,
std::move(readableInputRegisters),
std::move(writeableOutputRegisters), std::move(groupRegisters), 0,
std::move(aggregateTypes), std::move(aggregateRegisters), trx, false),
block(new AqlItemBlock(itemBlockManager, 1000, 2)) {}
};
TEST_F(HashedCollectExecutorTestNoRows, the_producer_doesnt_wait) {
SingleRowFetcherHelper<false> fetcher(itemBlockManager, input.steal(), false);
HashedCollectExecutor testee(fetcher, infos);
OutputAqlItemRow result(std::move(block), infos.getOutputRegisters(),
infos.registersToKeep(), infos.registersToClear());
std::tie(state, stats) = testee.produceRows(result);
ASSERT_TRUE(state == ExecutionState::DONE);
ASSERT_TRUE(!result.produced());
}
TEST_F(HashedCollectExecutorTestNoRows, the_producer_waits) {
SingleRowFetcherHelper<false> fetcher(itemBlockManager, input.steal(), true);
HashedCollectExecutor testee(fetcher, infos);
OutputAqlItemRow result(std::move(block), infos.getOutputRegisters(),
infos.registersToKeep(), infos.registersToClear());
std::tie(state, stats) = testee.produceRows(result);
ASSERT_TRUE(state == ExecutionState::WAITING);
ASSERT_TRUE(!result.produced());
std::tie(state, stats) = testee.produceRows(result);
ASSERT_TRUE(state == ExecutionState::DONE);
ASSERT_TRUE(!result.produced());
}
class HashedCollectExecutorTestRowsNoCount : public ::testing::Test {
protected:
ExecutionState state;
ResourceMonitor monitor;
AqlItemBlockManager itemBlockManager;
mocks::MockAqlServer server;
std::unique_ptr<arangodb::aql::Query> fakedQuery;
arangodb::transaction::Methods* trx;
std::unordered_set<RegisterId> regToClear;
std::unordered_set<RegisterId> regToKeep;
std::vector<std::pair<RegisterId, RegisterId>> groupRegisters;
std::unordered_set<RegisterId> readableInputRegisters;
std::unordered_set<RegisterId> writeableOutputRegisters;
RegisterId nrOutputRegister;
std::vector<std::pair<RegisterId, RegisterId>> aggregateRegisters;
std::vector<std::string> aggregateTypes;
// if count = true, then we need to set a valid countRegister
RegisterId collectRegister;
bool count;
HashedCollectExecutorInfos infos;
SharedAqlItemBlockPtr block;
NoStats stats;
HashedCollectExecutorTestRowsNoCount()
: itemBlockManager(&monitor),
fakedQuery(server.createFakeQuery()),
trx(fakedQuery->trx()),
groupRegisters{std::make_pair<RegisterId, RegisterId>(1, 0)},
readableInputRegisters{0},
writeableOutputRegisters{1},
nrOutputRegister(2),
collectRegister(0),
count(false),
infos(1, nrOutputRegister, regToClear, regToKeep, std::move(readableInputRegisters),
std::move(writeableOutputRegisters), std::move(groupRegisters), 0,
std::move(aggregateTypes), std::move(aggregateRegisters), trx, false),
block(new AqlItemBlock(itemBlockManager, 1000, nrOutputRegister)) {}
};
TEST_F(HashedCollectExecutorTestRowsNoCount, the_producer_doesnt_wait_1) {
auto input = VPackParser::fromJson("[ [1], [2] ]");
SingleRowFetcherHelper<false> fetcher(itemBlockManager, input->steal(), false);
HashedCollectExecutor testee(fetcher, infos);
OutputAqlItemRow result(std::move(block), infos.getOutputRegisters(),
infos.registersToKeep(), infos.registersToClear());
std::tie(state, stats) = testee.produceRows(result);
ASSERT_TRUE(state == ExecutionState::HASMORE);
ASSERT_TRUE(result.produced());
result.advanceRow();
std::tie(state, stats) = testee.produceRows(result);
ASSERT_TRUE(state == ExecutionState::DONE);
ASSERT_TRUE(result.produced());
result.advanceRow();
std::tie(state, stats) = testee.produceRows(result);
ASSERT_TRUE(state == ExecutionState::DONE);
ASSERT_TRUE(!result.produced());
std::vector<int64_t> myNumbers;
auto block = result.stealBlock();
// check for types
AqlValue x = block->getValue(0, 1);
ASSERT_TRUE(x.isNumber());
myNumbers.emplace_back(x.slice().getInt());
AqlValue z = block->getValue(1, 1);
ASSERT_TRUE(z.isNumber());
myNumbers.emplace_back(z.slice().getInt());
// now sort vector and check for appearances
std::sort(myNumbers.begin(), myNumbers.end());
ASSERT_TRUE(myNumbers.at(0) == 1);
ASSERT_TRUE(myNumbers.at(1) == 2);
}
TEST_F(HashedCollectExecutorTestRowsNoCount, the_producer_doesnt_wait_2) {
auto input = VPackParser::fromJson("[ [1], [2], [3] ]");
SingleRowFetcherHelper<false> fetcher(itemBlockManager, input->steal(), false);
HashedCollectExecutor testee(fetcher, infos);
OutputAqlItemRow result(std::move(block), infos.getOutputRegisters(),
infos.registersToKeep(), infos.registersToClear());
std::tie(state, stats) = testee.produceRows(result);
ASSERT_TRUE(state == ExecutionState::HASMORE);
ASSERT_TRUE(result.produced());
result.advanceRow();
std::tie(state, stats) = testee.produceRows(result);
ASSERT_TRUE(state == ExecutionState::HASMORE);
ASSERT_TRUE(result.produced());
result.advanceRow();
std::tie(state, stats) = testee.produceRows(result);
ASSERT_TRUE(state == ExecutionState::DONE);
ASSERT_TRUE(result.produced());
result.advanceRow();
std::tie(state, stats) = testee.produceRows(result);
ASSERT_TRUE(state == ExecutionState::DONE);
ASSERT_TRUE(!result.produced());
std::vector<int64_t> myNumbers;
auto block = result.stealBlock();
// check for types
AqlValue x = block->getValue(0, 1);
ASSERT_TRUE(x.isNumber());
myNumbers.emplace_back(x.slice().getInt());
AqlValue y = block->getValue(1, 1);
ASSERT_TRUE(y.isNumber());
myNumbers.emplace_back(y.slice().getInt());
AqlValue z = block->getValue(2, 1);
ASSERT_TRUE(z.isNumber());
myNumbers.emplace_back(z.slice().getInt());
// now sort vector and check for appearances
std::sort(myNumbers.begin(), myNumbers.end());
ASSERT_TRUE(myNumbers.at(0) == 1);
ASSERT_TRUE(myNumbers.at(1) == 2);
ASSERT_TRUE(myNumbers.at(2) == 3);
}
TEST_F(HashedCollectExecutorTestRowsNoCount, the_producer_doesnt_wait_3) {
auto input = VPackParser::fromJson("[ [1], [2], [3], [1], [2] ]");
SingleRowFetcherHelper<false> fetcher(itemBlockManager, input->steal(), false);
HashedCollectExecutor testee(fetcher, infos);
OutputAqlItemRow result(std::move(block), infos.getOutputRegisters(),
infos.registersToKeep(), infos.registersToClear());
std::tie(state, stats) = testee.produceRows(result);
ASSERT_TRUE(state == ExecutionState::HASMORE);
ASSERT_TRUE(result.produced());
result.advanceRow();
std::tie(state, stats) = testee.produceRows(result);
ASSERT_TRUE(state == ExecutionState::HASMORE);
ASSERT_TRUE(result.produced());
result.advanceRow();
std::tie(state, stats) = testee.produceRows(result);
ASSERT_TRUE(state == ExecutionState::DONE);
ASSERT_TRUE(result.produced());
result.advanceRow();
std::tie(state, stats) = testee.produceRows(result);
ASSERT_TRUE(state == ExecutionState::DONE);
ASSERT_TRUE(!result.produced());
std::vector<int64_t> myNumbers;
auto block = result.stealBlock();
// check for types
AqlValue x = block->getValue(0, 1);
ASSERT_TRUE(x.isNumber());
myNumbers.emplace_back(x.slice().getInt());
AqlValue y = block->getValue(1, 1);
ASSERT_TRUE(y.isNumber());
myNumbers.emplace_back(y.slice().getInt());
AqlValue z = block->getValue(2, 1);
ASSERT_TRUE(z.isNumber());
myNumbers.emplace_back(z.slice().getInt());
// now sort vector and check for appearances
std::sort(myNumbers.begin(), myNumbers.end());
ASSERT_TRUE(myNumbers.at(0) == 1);
ASSERT_TRUE(myNumbers.at(1) == 2);
ASSERT_TRUE(myNumbers.at(2) == 3);
}
TEST_F(HashedCollectExecutorTestRowsNoCount, the_producer_doesnt_wait_4) {
auto input = VPackParser::fromJson("[ [1], [2], [1], [2] ]");
SingleRowFetcherHelper<false> fetcher(itemBlockManager, input->steal(), false);
HashedCollectExecutor testee(fetcher, infos);
OutputAqlItemRow result(std::move(block), infos.getOutputRegisters(),
infos.registersToKeep(), infos.registersToClear());
std::tie(state, stats) = testee.produceRows(result);
ASSERT_TRUE(state == ExecutionState::HASMORE);
ASSERT_TRUE(result.produced());
result.advanceRow();
std::tie(state, stats) = testee.produceRows(result);
ASSERT_TRUE(state == ExecutionState::DONE);
ASSERT_TRUE(result.produced());
result.advanceRow();
std::tie(state, stats) = testee.produceRows(result);
ASSERT_TRUE(state == ExecutionState::DONE);
ASSERT_TRUE(!result.produced());
std::vector<int64_t> myNumbers;
auto block = result.stealBlock();
// check for types
AqlValue x = block->getValue(0, 1);
ASSERT_TRUE(x.isNumber());
myNumbers.emplace_back(x.slice().getInt());
AqlValue y = block->getValue(1, 1);
ASSERT_TRUE(y.isNumber());
myNumbers.emplace_back(y.slice().getInt());
// now sort vector and check for appearances
std::sort(myNumbers.begin(), myNumbers.end());
ASSERT_TRUE(myNumbers.at(0) == 1);
ASSERT_TRUE(myNumbers.at(1) == 2);
}
TEST_F(HashedCollectExecutorTestRowsNoCount, the_producer_waits) {
auto input = VPackParser::fromJson("[ [1], [2] ]");
SingleRowFetcherHelper<false> fetcher(itemBlockManager, input->steal(), true);
HashedCollectExecutor testee(fetcher, infos);
OutputAqlItemRow result(std::move(block), infos.getOutputRegisters(),
infos.registersToKeep(), infos.registersToClear());
std::tie(state, stats) = testee.produceRows(result);
ASSERT_TRUE(state == ExecutionState::WAITING);
ASSERT_TRUE(!result.produced());
std::tie(state, stats) = testee.produceRows(result);
ASSERT_TRUE(state == ExecutionState::WAITING);
ASSERT_TRUE(!result.produced());
std::tie(state, stats) = testee.produceRows(result);
ASSERT_TRUE(state == ExecutionState::HASMORE);
ASSERT_TRUE(result.produced());
result.advanceRow();
std::tie(state, stats) = testee.produceRows(result);
ASSERT_TRUE(state == ExecutionState::DONE);
ASSERT_TRUE(result.produced());
result.advanceRow();
std::tie(state, stats) = testee.produceRows(result);
ASSERT_TRUE(state == ExecutionState::DONE);
ASSERT_TRUE(!result.produced());
std::vector<int64_t> myNumbers;
auto block = result.stealBlock();
// check for types
AqlValue x = block->getValue(0, 1);
ASSERT_TRUE(x.isNumber());
myNumbers.emplace_back(x.slice().getInt());
AqlValue z = block->getValue(1, 1);
ASSERT_TRUE(z.isNumber());
myNumbers.emplace_back(z.slice().getInt());
// now sort vector and check for appearances
std::sort(myNumbers.begin(), myNumbers.end());
ASSERT_TRUE(myNumbers.at(0) == 1);
ASSERT_TRUE(myNumbers.at(1) == 2);
}
TEST(HashedCollectExecutorTestRowsCount, the_producer_doesnt_wait) {
ExecutionState state;
ResourceMonitor monitor;
AqlItemBlockManager itemBlockManager{&monitor};
mocks::MockAqlServer server{};
std::unique_ptr<arangodb::aql::Query> fakedQuery = server.createFakeQuery();
arangodb::transaction::Methods* trx = fakedQuery->trx();
std::unordered_set<RegisterId> regToClear;
std::unordered_set<RegisterId> regToKeep;
std::vector<std::pair<RegisterId, RegisterId>> groupRegisters;
groupRegisters.emplace_back(std::make_pair<RegisterId, RegisterId>(1, 0));
std::unordered_set<RegisterId> readableInputRegisters;
readableInputRegisters.insert(0);
std::unordered_set<RegisterId> writeableOutputRegisters;
writeableOutputRegisters.insert(1);
RegisterId nrOutputRegister = 3;
std::vector<std::pair<RegisterId, RegisterId>> aggregateRegisters;
aggregateRegisters.emplace_back(std::make_pair<RegisterId, RegisterId>(1, 0));
std::vector<std::string> aggregateTypes;
aggregateTypes.emplace_back("SUM");
// if count = true, then we need to set a valid countRegister
bool count = true;
RegisterId collectRegister = 2;
writeableOutputRegisters.insert(2);
HashedCollectExecutorInfos infos(1, nrOutputRegister, regToClear, regToKeep,
std::move(readableInputRegisters),
std::move(writeableOutputRegisters),
std::move(groupRegisters), collectRegister,
std::move(aggregateTypes),
std::move(aggregateRegisters), trx, count);
SharedAqlItemBlockPtr block{new AqlItemBlock(itemBlockManager, 1000, nrOutputRegister)};
NoStats stats{};
auto input = VPackParser::fromJson("[ [1], [2] ]");
SingleRowFetcherHelper<false> fetcher(itemBlockManager, input->steal(), false);
HashedCollectExecutor testee(fetcher, infos);
OutputAqlItemRow result(std::move(block), infos.getOutputRegisters(),
infos.registersToKeep(), infos.registersToClear());
std::tie(state, stats) = testee.produceRows(result);
ASSERT_TRUE(state == ExecutionState::HASMORE);
ASSERT_TRUE(result.produced());
result.advanceRow();
std::tie(state, stats) = testee.produceRows(result);
ASSERT_TRUE(state == ExecutionState::DONE);
ASSERT_TRUE(result.produced());
result.advanceRow();
std::tie(state, stats) = testee.produceRows(result);
ASSERT_TRUE(state == ExecutionState::DONE);
ASSERT_TRUE(!result.produced());
std::vector<int64_t> myNumbers;
std::vector<double> myCountNumbers;
auto newBlock = result.stealBlock();
// check for types
AqlValue x = newBlock->getValue(0, 1);
ASSERT_TRUE(x.isNumber());
myNumbers.emplace_back(x.slice().getInt());
// Check the count register
AqlValue xx = newBlock->getValue(0, 2);
ASSERT_TRUE(xx.isNumber());
myCountNumbers.emplace_back(xx.slice().getDouble());
AqlValue z = newBlock->getValue(1, 1);
ASSERT_TRUE(z.isNumber());
myNumbers.emplace_back(z.slice().getInt());
// Check the count register
AqlValue zz = newBlock->getValue(1, 2);
ASSERT_TRUE(zz.isNumber());
myCountNumbers.emplace_back(zz.slice().getDouble());
// now sort vector and check for appearances
std::sort(myNumbers.begin(), myNumbers.end());
std::sort(myCountNumbers.begin(), myCountNumbers.end());
ASSERT_TRUE(myNumbers.at(0) == 1);
ASSERT_TRUE(myNumbers.at(1) == 2);
ASSERT_TRUE(myCountNumbers.at(0) == 1);
ASSERT_TRUE(myCountNumbers.at(1) == 2);
}
TEST(HashedCollectExecutorTestRowsCountNumbers, the_producer_doesnt_wait) {
ExecutionState state;
ResourceMonitor monitor;
AqlItemBlockManager itemBlockManager{&monitor};
mocks::MockAqlServer server{};
std::unique_ptr<arangodb::aql::Query> fakedQuery = server.createFakeQuery();
arangodb::transaction::Methods* trx = fakedQuery->trx();
std::unordered_set<RegisterId> regToClear;
std::unordered_set<RegisterId> regToKeep;
std::vector<std::pair<RegisterId, RegisterId>> groupRegisters;
groupRegisters.emplace_back(std::make_pair<RegisterId, RegisterId>(1, 0));
std::unordered_set<RegisterId> readableInputRegisters;
readableInputRegisters.insert(0);
std::unordered_set<RegisterId> writeableOutputRegisters;
writeableOutputRegisters.insert(1);
RegisterId nrOutputRegister = 3;
std::vector<std::pair<RegisterId, RegisterId>> aggregateRegisters;
aggregateRegisters.emplace_back(std::make_pair<RegisterId, RegisterId>(1, 0));
std::vector<std::string> aggregateTypes;
aggregateTypes.emplace_back("LENGTH");
// if count = true, then we need to set a valid countRegister
bool count = true;
RegisterId collectRegister = 2;
writeableOutputRegisters.insert(2);
HashedCollectExecutorInfos infos(1, nrOutputRegister, regToClear, regToKeep,
std::move(readableInputRegisters),
std::move(writeableOutputRegisters),
std::move(groupRegisters), collectRegister,
std::move(aggregateTypes),
std::move(aggregateRegisters), trx, count);
SharedAqlItemBlockPtr block{new AqlItemBlock(itemBlockManager, 1000, nrOutputRegister)};
NoStats stats{};
auto input = VPackParser::fromJson("[ [1], [2], [3] ]");
SingleRowFetcherHelper<false> fetcher(itemBlockManager, input->steal(), false);
HashedCollectExecutor testee(fetcher, infos);
OutputAqlItemRow result(std::move(block), infos.getOutputRegisters(),
infos.registersToKeep(), infos.registersToClear());
std::tie(state, stats) = testee.produceRows(result);
ASSERT_TRUE(state == ExecutionState::HASMORE);
ASSERT_TRUE(result.produced());
result.advanceRow();
std::tie(state, stats) = testee.produceRows(result);
ASSERT_TRUE(state == ExecutionState::HASMORE);
ASSERT_TRUE(result.produced());
result.advanceRow();
std::tie(state, stats) = testee.produceRows(result);
ASSERT_TRUE(state == ExecutionState::DONE);
ASSERT_TRUE(result.produced());
result.advanceRow();
std::tie(state, stats) = testee.produceRows(result);
ASSERT_TRUE(state == ExecutionState::DONE);
ASSERT_TRUE(!result.produced());
std::vector<int64_t> myNumbers;
std::vector<int64_t> myCountNumbers;
auto newBlock = result.stealBlock();
// check for types
AqlValue x = newBlock->getValue(0, 1);
ASSERT_TRUE(x.isNumber());
myNumbers.emplace_back(x.slice().getInt());
// Check the count register
AqlValue xx = newBlock->getValue(0, 2);
ASSERT_TRUE(xx.isNumber());
myCountNumbers.emplace_back(xx.slice().getInt());
AqlValue z = newBlock->getValue(1, 1);
ASSERT_TRUE(z.isNumber());
myNumbers.emplace_back(z.slice().getInt());
// Check the count register
AqlValue zz = newBlock->getValue(1, 2);
ASSERT_TRUE(zz.isNumber());
myCountNumbers.emplace_back(zz.slice().getInt());
AqlValue y = newBlock->getValue(2, 1);
ASSERT_TRUE(y.isNumber());
myNumbers.emplace_back(y.slice().getInt());
// Check the count register
AqlValue yy = newBlock->getValue(2, 2);
ASSERT_TRUE(yy.isNumber());
myCountNumbers.emplace_back(yy.slice().getInt());
// now sort vector and check for appearances
std::sort(myNumbers.begin(), myNumbers.end());
std::sort(myCountNumbers.begin(), myCountNumbers.end());
ASSERT_TRUE(myNumbers.at(0) == 1);
ASSERT_TRUE(myNumbers.at(1) == 2);
ASSERT_TRUE(myNumbers.at(2) == 3);
ASSERT_TRUE(myCountNumbers.at(0) == 1);
ASSERT_TRUE(myCountNumbers.at(1) == 1);
ASSERT_TRUE(myCountNumbers.at(2) == 1);
}
TEST(HashedCollectExecutorTestRowsCountStrings, the_producer_doesnt_wait) {
ExecutionState state;
ResourceMonitor monitor;
AqlItemBlockManager itemBlockManager{&monitor};
mocks::MockAqlServer server{};
std::unique_ptr<arangodb::aql::Query> fakedQuery = server.createFakeQuery();
arangodb::transaction::Methods* trx = fakedQuery->trx();
std::unordered_set<RegisterId> regToClear;
std::unordered_set<RegisterId> regToKeep;
std::vector<std::pair<RegisterId, RegisterId>> groupRegisters;
groupRegisters.emplace_back(std::make_pair<RegisterId, RegisterId>(1, 0));
std::unordered_set<RegisterId> readableInputRegisters;
readableInputRegisters.insert(0);
std::unordered_set<RegisterId> writeableOutputRegisters;
writeableOutputRegisters.insert(1);
RegisterId nrOutputRegister = 3;
std::vector<std::pair<RegisterId, RegisterId>> aggregateRegisters;
aggregateRegisters.emplace_back(std::make_pair<RegisterId, RegisterId>(1, 0));
std::vector<std::string> aggregateTypes;
aggregateTypes.emplace_back("LENGTH");
// if count = true, then we need to set a valid countRegister
bool count = true;
RegisterId collectRegister = 2;
writeableOutputRegisters.insert(2);
HashedCollectExecutorInfos infos(1, nrOutputRegister, regToClear, regToKeep,
std::move(readableInputRegisters),
std::move(writeableOutputRegisters),
std::move(groupRegisters), collectRegister,
std::move(aggregateTypes),
std::move(aggregateRegisters), trx, count);
SharedAqlItemBlockPtr block{new AqlItemBlock(itemBlockManager, 1000, nrOutputRegister)};
NoStats stats{};
auto input = VPackParser::fromJson("[ [\"a\"], [\"aa\"], [\"aaa\"] ]");
SingleRowFetcherHelper<false> fetcher(itemBlockManager, input->steal(), false);
HashedCollectExecutor testee(fetcher, infos);
OutputAqlItemRow result(std::move(block), infos.getOutputRegisters(),
infos.registersToKeep(), infos.registersToClear());
std::tie(state, stats) = testee.produceRows(result);
ASSERT_TRUE(state == ExecutionState::HASMORE);
ASSERT_TRUE(result.produced());
result.advanceRow();
std::tie(state, stats) = testee.produceRows(result);
ASSERT_TRUE(state == ExecutionState::HASMORE);
ASSERT_TRUE(result.produced());
result.advanceRow();
std::tie(state, stats) = testee.produceRows(result);
ASSERT_TRUE(state == ExecutionState::DONE);
ASSERT_TRUE(result.produced());
result.advanceRow();
std::tie(state, stats) = testee.produceRows(result);
ASSERT_TRUE(state == ExecutionState::DONE);
ASSERT_TRUE(!result.produced());
std::vector<std::string> myStrings;
std::vector<int64_t> myCountNumbers;
auto newBlock = result.stealBlock();
// check for types
AqlValue x = newBlock->getValue(0, 1);
ASSERT_TRUE(x.isString());
myStrings.emplace_back(x.slice().copyString());
// Check the count register
AqlValue xx = newBlock->getValue(0, 2);
ASSERT_TRUE(xx.isNumber());
myCountNumbers.emplace_back(xx.slice().getInt());
AqlValue z = newBlock->getValue(1, 1);
ASSERT_TRUE(z.isString());
myStrings.emplace_back(z.slice().copyString());
// Check the count register
AqlValue zz = newBlock->getValue(1, 2);
ASSERT_TRUE(zz.isNumber());
myCountNumbers.emplace_back(zz.slice().getInt());
AqlValue y = newBlock->getValue(2, 1);
ASSERT_TRUE(y.isString());
myStrings.emplace_back(y.slice().copyString());
// Check the count register
AqlValue yy = newBlock->getValue(2, 2);
ASSERT_TRUE(yy.isNumber());
myCountNumbers.emplace_back(yy.slice().getInt());
// now sort vector and check for appearances
std::sort(myStrings.begin(), myStrings.end());
std::sort(myCountNumbers.begin(), myCountNumbers.end());
ASSERT_TRUE(myStrings.at(0) == "a");
ASSERT_TRUE(myStrings.at(1) == "aa");
ASSERT_TRUE(myStrings.at(2) == "aaa");
ASSERT_TRUE(myCountNumbers.at(0) == 1);
ASSERT_TRUE(myCountNumbers.at(1) == 1);
ASSERT_TRUE(myCountNumbers.at(2) == 1);
}
} // namespace aql
} // namespace tests
} // namespace arangodb
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