memgraph/tests/unit/distributed_graph_db.cpp
Matija Santl f2cc41fa59 Remove unique from label-prop index
Summary: Remove unique feature from label-property index

Reviewers: ipaljak, mferencevic, vkasljevic

Reviewed By: mferencevic

Subscribers: tsabolcec, pullbot

Differential Revision: https://phabricator.memgraph.io/D2045
2019-05-23 12:39:41 +02:00

218 lines
7.2 KiB
C++

#include <memory>
#include <thread>
#include <unordered_set>
#include "gtest/gtest.h"
#include "database/distributed/graph_db.hpp"
#include "distributed/coordination.hpp"
#include "distributed/coordination_master.hpp"
#include "distributed/coordination_worker.hpp"
#include "distributed/data_rpc_clients.hpp"
#include "distributed/data_rpc_server.hpp"
#include "distributed/plan_consumer.hpp"
#include "distributed/plan_dispatcher.hpp"
#include "distributed/pull_rpc_clients.hpp"
#include "distributed_common.hpp"
#include "io/network/endpoint.hpp"
#include "query/frontend/ast/ast.hpp"
#include "query/frontend/ast/cypher_main_visitor.hpp"
#include "query/frontend/semantic/symbol_generator.hpp"
#include "query/frontend/semantic/symbol_table.hpp"
#include "query/interpreter.hpp"
#include "query/plan/planner.hpp"
#include "query/typed_value.hpp"
#include "query_common.hpp"
#include "query_plan_common.hpp"
#include "transactions/distributed/engine_master.hpp"
using database::GraphDbAccessor;
using namespace distributed;
using namespace std::literals::chrono_literals;
class DistributedGraphDb : public DistributedGraphDbTest {
public:
DistributedGraphDb() : DistributedGraphDbTest("distributed_graph") {}
};
TEST_F(DistributedGraphDb, Coordination) {
EXPECT_NE(master().endpoint().port(), 0);
EXPECT_NE(worker(1).endpoint().port(), 0);
EXPECT_NE(worker(2).endpoint().port(), 0);
EXPECT_EQ(master().GetEndpoint(1), worker(1).endpoint());
EXPECT_EQ(master().GetEndpoint(2), worker(2).endpoint());
EXPECT_EQ(worker(1).GetEndpoint(0), master().endpoint());
EXPECT_EQ(worker(1).GetEndpoint(2), worker(2).endpoint());
EXPECT_EQ(worker(2).GetEndpoint(0), master().endpoint());
EXPECT_EQ(worker(2).GetEndpoint(1), worker(1).endpoint());
}
TEST_F(DistributedGraphDb, TxEngine) {
auto *tx1 = master().tx_engine().Begin();
auto *tx2 = master().tx_engine().Begin();
EXPECT_EQ(tx2->snapshot().size(), 1);
EXPECT_EQ(
worker(1).tx_engine().RunningTransaction(tx1->id_)->snapshot().size(), 0);
EXPECT_EQ(worker(2).tx_engine().RunningTransaction(tx2->id_)->snapshot(),
tx2->snapshot());
::testing::FLAGS_gtest_death_test_style = "threadsafe";
EXPECT_DEATH(worker(2).tx_engine().RunningTransaction(123), "");
}
template <typename TType>
using mapper_vec =
std::vector<std::reference_wrapper<storage::ConcurrentIdMapper<TType>>>;
TEST_F(DistributedGraphDb, StorageTypes) {
auto test_mappers = [](auto mappers, auto ids) {
for (size_t i = 0; i < mappers.size(); ++i) {
ids.emplace_back(
mappers[i].get().value_to_id("value" + std::to_string(i)));
}
EXPECT_GT(ids.size(), 0);
for (size_t i = 0; i < mappers.size(); ++i) {
for (size_t j = 0; j < ids.size(); ++j) {
EXPECT_EQ(mappers[i].get().id_to_value(ids[j]),
"value" + std::to_string(j));
}
}
};
test_mappers(mapper_vec<storage::Label>{master().label_mapper(),
worker(1).label_mapper(),
worker(2).label_mapper()},
std::vector<storage::Label>{});
test_mappers(mapper_vec<storage::EdgeType>{master().edge_type_mapper(),
worker(1).edge_type_mapper(),
worker(2).edge_type_mapper()},
std::vector<storage::EdgeType>{});
test_mappers(mapper_vec<storage::Property>{master().property_mapper(),
worker(1).property_mapper(),
worker(2).property_mapper()},
std::vector<storage::Property>{});
}
TEST_F(DistributedGraphDb, DispatchPlan) {
auto kRPCWaitTime = 600ms;
int64_t plan_id = 5;
SymbolTable symbol_table;
AstStorage storage;
auto scan_all = MakeScanAll(storage, symbol_table, "n");
master().plan_dispatcher().DispatchPlan(plan_id, scan_all.op_, symbol_table);
std::this_thread::sleep_for(kRPCWaitTime);
auto check_for_worker = [plan_id, &symbol_table](auto &worker) {
auto &cached = worker.plan_consumer().PlanForId(plan_id);
EXPECT_NE(dynamic_cast<query::plan::ScanAll *>(cached.plan.get()), nullptr);
EXPECT_EQ(cached.symbol_table.max_position(), symbol_table.max_position());
EXPECT_EQ(cached.symbol_table.table(), symbol_table.table());
};
check_for_worker(worker(1));
check_for_worker(worker(2));
master().plan_dispatcher().RemovePlan(plan_id);
::testing::FLAGS_gtest_death_test_style = "threadsafe";
EXPECT_DEATH(check_for_worker(worker(1)), "Missing plan*");
}
TEST_F(DistributedGraphDb, BuildIndexDistributed) {
storage::Label label;
storage::Property property;
{
auto dba0 = master().Access();
label = dba0->Label("label");
property = dba0->Property("property");
auto tx_id = dba0->transaction_id();
auto dba1 = worker(1).Access(tx_id);
auto dba2 = worker(2).Access(tx_id);
auto add_vertex = [label, property](GraphDbAccessor &dba) {
auto vertex = dba.InsertVertex();
vertex.add_label(label);
vertex.PropsSet(property, 1);
};
for (int i = 0; i < 100; ++i) add_vertex(*dba0);
for (int i = 0; i < 50; ++i) add_vertex(*dba1);
for (int i = 0; i < 300; ++i) add_vertex(*dba2);
dba0->Commit();
}
{
auto dba = master().Access();
dba->BuildIndex(label, property);
EXPECT_TRUE(dba->LabelPropertyIndexExists(label, property));
EXPECT_EQ(CountIterable(dba->Vertices(label, property, false)), 100);
}
auto dba_master = master().Access();
{
auto dba = worker(1).Access(dba_master->transaction_id());
EXPECT_TRUE(dba->LabelPropertyIndexExists(label, property));
EXPECT_EQ(CountIterable(dba->Vertices(label, property, false)), 50);
}
{
auto dba = worker(2).Access(dba_master->transaction_id());
EXPECT_TRUE(dba->LabelPropertyIndexExists(label, property));
EXPECT_EQ(CountIterable(dba->Vertices(label, property, false)), 300);
}
}
TEST_F(DistributedGraphDb, BuildIndexConcurrentInsert) {
storage::Label label;
storage::Property property;
auto dba0 = master().Access();
label = dba0->Label("label");
property = dba0->Property("property");
int cnt = 0;
auto add_vertex = [label, property, &cnt](GraphDbAccessor &dba) {
auto vertex = dba.InsertVertex();
vertex.add_label(label);
vertex.PropsSet(property, ++cnt);
};
dba0->Commit();
auto worker_insert = std::thread([this, &add_vertex]() {
for (int i = 0; i < 10000; ++i) {
auto dba1 = worker(1).Access();
add_vertex(*dba1);
dba1->Commit();
}
});
std::this_thread::sleep_for(0.5s);
{
auto dba = master().Access();
dba->BuildIndex(label, property);
EXPECT_TRUE(dba->LabelPropertyIndexExists(label, property));
}
worker_insert.join();
{
auto dba = worker(1).Access();
EXPECT_TRUE(dba->LabelPropertyIndexExists(label, property));
EXPECT_EQ(CountIterable(dba->Vertices(label, property, false)), 10000);
}
}
TEST_F(DistributedGraphDb, WorkerOwnedDbAccessors) {
auto dba_w1 = worker(1).Access();
auto v = dba_w1->InsertVertex();
auto prop = dba_w1->Property("p");
v.PropsSet(prop, 42);
auto v_ga = v.GlobalAddress();
dba_w1->Commit();
auto dba_w2 = worker(2).Access();
VertexAccessor v_in_w2{v_ga, *dba_w2};
EXPECT_EQ(v_in_w2.PropsAt(prop).Value<int64_t>(), 42);
}