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oceanbase/unittest/sql/engine/join/ob_hash_join_test.cpp
wangzelin.wzl 93a1074b0c patch 4.0
2022-10-24 17:57:12 +08:00

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/**
* Copyright (c) 2021 OceanBase
* OceanBase CE is licensed under Mulan PubL v2.
* You can use this software according to the terms and conditions of the Mulan PubL v2.
* You may obtain a copy of Mulan PubL v2 at:
* http://license.coscl.org.cn/MulanPubL-2.0
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PubL v2 for more details.
*/
#include <gtest/gtest.h>
#define private public
#define protected public
#include "lib/utility/ob_test_util.h"
#include "sql/engine/join/ob_hash_join.h"
#include "ob_join_fake_table.h"
#include "sql/engine/expr/ob_expr_equal.h"
#include "sql/engine/expr/ob_expr_mod.h"
#include "sql/ob_sql_init.h"
#include "sql/session/ob_sql_session_info.h"
#include "lib/utility/ob_tracepoint.h"
#include "observer/ob_server.h"
#include "observer/ob_server_struct.h"
#include "share/ob_tenant_mgr.h"
#include <vector>
#include "sql/engine/test_engine_util.h"
using namespace oceanbase::sql;
using namespace oceanbase::sql::test;
using namespace oceanbase::common;
using namespace oceanbase::observer;
using namespace oceanbase::share;
class MockSqlExpression : public ObSqlExpression
{
public:
MockSqlExpression(): ObSqlExpression(alloc_)
{
set_item_count(10);
}
~MockSqlExpression() {}
};
class ObHashJoinTest: public ::testing::Test
{
public:
ObHashJoinTest();
virtual ~ObHashJoinTest();
protected:
void join_test(int64_t case_id, ObJoinType join_type);
void serialize_test();
void join_exception_test(int expect_ret);
void serialize_exception_test(int expect_ret);
void memlimit_exception_test(int expect_ret, int64_t mem_size);
// disallow copy
ObHashJoinTest(const ObHashJoinTest &other);
ObHashJoinTest& operator=(const ObHashJoinTest &other);
private:
// data members
};
class ObHashJoinPlan
{
public:
static ObHashJoin &get_instance()
{
return hash_join_;
}
static ObJoinFakeTable &get_out_data()
{
return out_data_;
}
static ObPhysicalPlan *get_phy_plan()
{
return &phy_plan_;
}
static int init(int64_t case_id, ObJoinType join_type)
{
int ret = OB_SUCCESS;
if (OB_FAIL(left_op_.init(HASH_JOIN_TEST))) {
SQL_ENG_LOG(WARN, "left op init failed", K(ret));
} else if (OB_FAIL(right_op_.init(HASH_JOIN_TEST))) {
SQL_ENG_LOG(WARN, "right op init failed", K(ret));
} else if (OB_FAIL(out_data_.init(HASH_JOIN_TEST))) {
SQL_ENG_LOG(WARN, "out data init failed", K(ret));
} else {
hash_join_.set_phy_plan(&phy_plan_);
left_op_.set_phy_plan(&phy_plan_);
right_op_.set_phy_plan(&phy_plan_);
left_op_.set_rows(10000); // default
out_data_.set_phy_plan(&phy_plan_);
set_id();
set_column_count(2);
projector_[0] = 0;
projector_[1] = 1;
projector_size_ = 2;
left_op_.set_projector(projector_, projector_size_);
right_op_.set_projector(projector_, projector_size_);
if (OB_FAIL(hash_join_.set_child(0, left_op_))) {}
else if (OB_FAIL(hash_join_.set_child(1, right_op_))) {}
else if (OB_FAIL(hash_join_.set_join_type(join_type))) {}
else if (OB_FAIL(hash_join_.set_join_type(join_type))) {}
else if (OB_FAIL(init_equal_conds())) {}
else if (OB_FAIL(init_other_conds())) {}
else if (OB_FAIL(left_op_.prepare_data(case_id, TT_LEFT_TABLE, join_type))) {}
else if (OB_FAIL(right_op_.prepare_data(case_id, TT_RIGHT_TABLE, join_type))) {}
else if (OB_FAIL(out_data_.prepare_data(case_id, TT_OUT_TABLE, join_type))) {}
}
return ret;
}
static void reuse()
{
phy_plan_.reset();
equal_expr_[0].reset();
equal_expr_[1].reset();
other_expr_[0].reset();
other_expr_[1].reset();
equal_expr_[0].set_item_count(10);
equal_expr_[1].set_item_count(10);
other_expr_[0].set_item_count(10);
other_expr_[1].set_item_count(10);
hash_join_.reuse();
left_op_.reuse();
right_op_.reuse();
out_data_.reuse();
allocator_.reuse();
}
private:
static void set_id()
{
hash_join_.set_id(0);
left_op_.set_id(1);
right_op_.set_id(2);
out_data_.set_id(3);
}
static void set_column_count(int64_t input_column_count)
{
hash_join_.set_column_count(2 * input_column_count);
left_op_.set_column_count(input_column_count);
right_op_.set_column_count(input_column_count);
out_data_.set_column_count(2 * input_column_count);
}
static int init_equal_conds()
{
int ret = OB_SUCCESS;
// like t1.a = t2.b => (t1.a, t2.b, OP_EQ)
int64_t cond_count = 2;
ObPostExprItem item_col1;
ObPostExprItem item_col2;
ObPostExprItem item_op;
ObExprResType res_type;
res_type.set_calc_type(ObIntType);
for (int64_t i = 0; OB_SUCC(ret) && i < cond_count; ++i) {
item_col1.set_column(i);
item_col2.set_column(i + cond_count);
item_op.set_op(phy_plan_.get_allocator(), "=", 2);
item_op.get_expr_operator()->set_result_type(res_type);
if (OB_FAIL(equal_expr_[i].add_expr_item(item_col1))) {}
else if (OB_FAIL(equal_expr_[i].add_expr_item(item_col2))) {}
else if (OB_FAIL(equal_expr_[i].add_expr_item(item_op))) {}
else if (OB_FAIL(hash_join_.add_equijoin_condition(&equal_expr_[i]))) {}
}
return ret;
}
static int init_other_conds()
{
int ret = OB_SUCCESS;
// like t1.a + t2.b > 60 => (t1.a, t2.b, OP_ADD, 60, OP_GT)
int64_t cond_count = 1;
ObPostExprItem item_col1;
ObPostExprItem item_col2;
ObPostExprItem item_op_add;
ObPostExprItem item_int;
ObPostExprItem item_op_gt;
ObExprResType res_type_add;
ObExprResType res_type_gt;
res_type_add.set_calc_type(ObIntType);
res_type_gt.set_calc_type(ObIntType);
for (int64_t i = 0; OB_SUCC(ret) && i < cond_count; ++i) {
item_col1.set_column(i);
item_col2.set_column(i + cond_count);
item_op_add.set_op(phy_plan_.get_allocator(), "+", 2);
item_op_add.get_expr_operator()->set_result_type(res_type_add);
item_int.set_int(60);
item_int.set_item_type(T_INT);
item_op_gt.set_op(phy_plan_.get_allocator(), ">", 2);
item_op_gt.get_expr_operator()->set_result_type(res_type_gt);
if (OB_FAIL(other_expr_[i].add_expr_item(item_col1))) {}
else if (OB_FAIL(other_expr_[i].add_expr_item(item_col2))) {}
else if (OB_FAIL(other_expr_[i].add_expr_item(item_op_add))) {}
else if (OB_FAIL(other_expr_[i].add_expr_item(item_int))) {}
else if (OB_FAIL(other_expr_[i].add_expr_item(item_op_gt))) {}
else if (OB_FAIL(hash_join_.add_other_join_condition(&other_expr_[i]))) {}
}
return ret;
}
private:
ObHashJoinPlan();
private:
static ObPhysicalPlan phy_plan_;
static MockSqlExpression equal_expr_[2];
static MockSqlExpression other_expr_[2];
static ObHashJoin hash_join_;
static ObJoinFakeTable left_op_;
static ObJoinFakeTable right_op_;
static ObJoinFakeTable out_data_;
static ObArenaAllocator allocator_;
static int32_t projector_[2];
static int64_t projector_size_;
};
ObPhysicalPlan ObHashJoinPlan::phy_plan_;
MockSqlExpression ObHashJoinPlan::equal_expr_[2];
MockSqlExpression ObHashJoinPlan::other_expr_[2];
ObHashJoin ObHashJoinPlan::hash_join_(ObHashJoinPlan::phy_plan_.get_allocator());
ObJoinFakeTable ObHashJoinPlan::left_op_;
ObJoinFakeTable ObHashJoinPlan::right_op_;
ObJoinFakeTable ObHashJoinPlan::out_data_;
ObArenaAllocator ObHashJoinPlan::allocator_(ObModIds::OB_PAGE_ARENA);
int32_t ObHashJoinPlan::projector_[2];
int64_t ObHashJoinPlan::projector_size_;
ObHashJoinTest::ObHashJoinTest()
{
}
ObHashJoinTest::~ObHashJoinTest()
{
}
void ObHashJoinTest::join_test(int64_t case_id, ObJoinType join_type)
{
ASSERT_EQ(OB_SUCCESS, ObHashJoinPlan::init(case_id, join_type));
ObExecContext exec_ctx;
ObString tenant_name("test");
uint64_t tenant_id = 1;
ASSERT_EQ(OB_SUCCESS, exec_ctx.init_phy_op(4));
ASSERT_EQ(OB_SUCCESS, exec_ctx.create_physical_plan_ctx());
ASSERT_EQ(OB_SUCCESS, create_test_session(exec_ctx));
auto my_session = exec_ctx.get_my_session();
ASSERT_TRUE(NULL != my_session);
ASSERT_EQ(OB_SUCCESS, ObPreProcessSysVars::init_sys_var());
ASSERT_EQ(OB_SUCCESS, my_session->load_default_sys_variable(false, true));
ASSERT_EQ(OB_SUCCESS, my_session->init_tenant(tenant_name, tenant_id));
ObHashJoin &hash_join = ObHashJoinPlan::get_instance();
ASSERT_EQ(OB_SUCCESS, hash_join.open(exec_ctx));
ObJoinFakeTable &out_data = ObHashJoinPlan::get_out_data();
ASSERT_EQ(OB_SUCCESS, out_data.open(exec_ctx));
int join_ret = OB_SUCCESS;
int out_ret = OB_SUCCESS;
const ObNewRow *join_row = NULL;
const ObNewRow *out_row = NULL;
std::vector<std::vector<int64_t>> join_res;
std::vector<std::vector<int64_t>> out_res;
while (OB_SUCCESS == join_ret && OB_SUCCESS == out_ret) {
join_ret = hash_join.get_next_row(exec_ctx, join_row);
out_ret = out_data.get_next_row(exec_ctx, out_row);
usleep(10 * 1000);
ASSERT_EQ(join_ret, out_ret);
if (OB_SUCCESS == join_ret && OB_SUCCESS == out_ret) {
ObObj *join_cells = join_row->cells_;
std::vector<int64_t> res;
res.resize(4);
for (int i = 0;i < 4; i++) {
res.at(i) = join_cells[i].is_null() ? 0 : join_cells[i].get_int();
}
join_res.push_back(res);
ObObj *out_cells = out_row->cells_;
for (int i = 0;i < 4; i++) {
res.at(i) = out_cells[i].is_null() ? 0 : out_cells[i].get_int();
}
out_res.push_back(res);
}
} // while
auto cmp_func = [](const std::vector<int64_t> &l, std::vector<int64_t> r) {
for (int i = 0; i < l.size(); i++) {
if (l.at(i) != r.at(i)) {
return l.at(i) < r.at(i);
}
}
return false;
};
std::sort(join_res.begin(), join_res.end(), cmp_func);
std::sort(out_res.begin(), out_res.end(), cmp_func);
for (int i = 0; i < join_res.size(); i++) {
ASSERT_FALSE(cmp_func(join_res.at(i), out_res.at(i)));
ASSERT_FALSE(cmp_func(out_res.at(i), join_res.at(i)));
}
ASSERT_EQ(OB_ITER_END, join_ret);
ASSERT_EQ(OB_ITER_END, out_ret);
ASSERT_EQ(OB_ITER_END, hash_join.get_next_row(exec_ctx, join_row));
ASSERT_EQ(OB_ITER_END, out_data.get_next_row(exec_ctx, out_row));
ASSERT_EQ(OB_SUCCESS, hash_join.close(exec_ctx));
ASSERT_EQ(OB_SUCCESS, out_data.close(exec_ctx));
ObHashJoinPlan::reuse();
}
void ObHashJoinTest::serialize_test()
{
ObHashJoin &hash_join_1 = ObHashJoinPlan::get_instance();
ObArenaAllocator alloc;
ObHashJoin hash_join_2(alloc);
const int64_t MAX_SERIALIZE_BUF_LEN = 1024;
char buf[MAX_SERIALIZE_BUF_LEN] = {'\0'};
ASSERT_EQ(OB_SUCCESS, ObHashJoinPlan::init(0, INNER_JOIN));
int64_t pos = 0;
ASSERT_EQ(OB_SUCCESS, hash_join_1.serialize(buf, MAX_SERIALIZE_BUF_LEN, pos));
ASSERT_EQ(pos, hash_join_1.get_serialize_size());
int64_t data_len = pos;
hash_join_2.set_phy_plan(const_cast<ObPhysicalPlan *>(hash_join_1.get_phy_plan()));
pos = 0;
ASSERT_EQ(OB_SUCCESS, hash_join_2.deserialize(buf, data_len, pos));
ASSERT_EQ(pos, data_len);
const char *str_1 = to_cstring(hash_join_1);
const char *str_2 = to_cstring(hash_join_2);
ASSERT_EQ(0, strcmp(str_1, str_2));
ObHashJoinPlan::reuse();
}
void ObHashJoinTest::join_exception_test(int expect_ret)
{
int ret = OB_SUCCESS;
ObExecContext exec_ctx;
const ObNewRow *row = NULL;
ASSERT_EQ(OB_SUCCESS, exec_ctx.init_phy_op(4));
ASSERT_EQ(OB_SUCCESS, exec_ctx.create_physical_plan_ctx());
ObHashJoin &hash_join = ObHashJoinPlan::get_instance();
if (OB_FAIL(ObHashJoinPlan::init(0, FULL_OUTER_JOIN))) {}
else if (OB_FAIL(hash_join.open(exec_ctx))) {}
else {
while (OB_SUCC(ret)) {
ret = hash_join.get_next_row(exec_ctx, row);
}
if (OB_ITER_END == ret) {
ret = hash_join.close(exec_ctx);
}
}
ObHashJoinPlan::reuse();
if (OB_FAIL(ret)) {
ASSERT_EQ(expect_ret, ret);
}
}
void ObHashJoinTest::serialize_exception_test(int expect_ret)
{
int ret = OB_SUCCESS;
ObHashJoin &hash_join = ObHashJoinPlan::get_instance();
const int64_t MAX_SERIALIZE_BUF_LEN = 1024;
char buf[MAX_SERIALIZE_BUF_LEN] = {'\0'};
ASSERT_EQ(OB_SUCCESS, ObHashJoinPlan::init(0, INNER_JOIN));
int64_t pos = 0;
if (OB_FAIL(hash_join.serialize(buf, MAX_SERIALIZE_BUF_LEN, pos))) {}
else {
int64_t data_len = pos;
pos = 0;
ObHashJoinPlan::reuse();
hash_join.set_phy_plan(ObHashJoinPlan::get_phy_plan());
if (OB_FAIL(hash_join.deserialize(buf, data_len, pos))) {}
}
ObHashJoinPlan::reuse();
if (OB_FAIL(ret)) {
ASSERT_EQ(expect_ret, ret);
}
}
void ObHashJoinTest::memlimit_exception_test(int expect_ret, int64_t memsize)
{
int ret = OB_SUCCESS;
ASSERT_EQ(OB_SUCCESS, ObHashJoinPlan::init(0, INNER_JOIN));
// BEGIN_THREAD_CODE(join_test, 8) {
ObExecContext exec_ctx;
ObString tenant_name("test");
uint64_t tenant_id = 1;
ASSERT_EQ(OB_SUCCESS, exec_ctx.init_phy_op(4));
ASSERT_EQ(OB_SUCCESS, exec_ctx.create_physical_plan_ctx());
ASSERT_EQ(OB_SUCCESS, create_test_session(exec_ctx));
auto my_session = exec_ctx.get_my_session();
ASSERT_TRUE(NULL != my_session);
ASSERT_EQ(OB_SUCCESS, ObPreProcessSysVars::init_sys_var());
ASSERT_EQ(OB_SUCCESS, my_session->load_default_sys_variable(false, true)); ASSERT_EQ(OB_SUCCESS, my_session->init_tenant(tenant_name, tenant_id));
ObHashJoin &hash_join = ObHashJoinPlan::get_instance();
oceanbase::lib::set_wa_limit(10, memsize);
ret = hash_join.open(exec_ctx);
ObHashJoinPlan::reuse();
// need remote condition
if (OB_FAIL(ret)) {
ASSERT_EQ(expect_ret, ret);
}
}
TEST_F(ObHashJoinTest, join_case_0)
{
join_test(0, INNER_JOIN);
join_test(0, LEFT_OUTER_JOIN);
join_test(0, RIGHT_OUTER_JOIN);
join_test(0, FULL_OUTER_JOIN);
}
TEST_F(ObHashJoinTest, join_case_1)
{
join_test(1, INNER_JOIN);
join_test(1, LEFT_OUTER_JOIN);
join_test(1, RIGHT_OUTER_JOIN);
join_test(1, FULL_OUTER_JOIN);
}
TEST_F(ObHashJoinTest, join_case_2)
{
join_test(2, INNER_JOIN);
join_test(2, LEFT_OUTER_JOIN);
join_test(2, RIGHT_OUTER_JOIN);
join_test(2, FULL_OUTER_JOIN);
}
TEST_F(ObHashJoinTest, join_case_3)
{
join_test(3, INNER_JOIN);
join_test(3, LEFT_OUTER_JOIN);
join_test(3, RIGHT_OUTER_JOIN);
join_test(3, FULL_OUTER_JOIN);
}
TEST_F(ObHashJoinTest, join_case_4)
{
join_test(4, INNER_JOIN);
join_test(4, LEFT_OUTER_JOIN);
join_test(4, RIGHT_OUTER_JOIN);
join_test(4, FULL_OUTER_JOIN);
}
TEST_F(ObHashJoinTest, join_case_5)
{
join_test(5, INNER_JOIN);
join_test(5, LEFT_OUTER_JOIN);
join_test(5, RIGHT_OUTER_JOIN);
join_test(5, FULL_OUTER_JOIN);
}
TEST_F(ObHashJoinTest, memlimit_test)
{
memlimit_exception_test(OB_ALLOCATE_MEMORY_FAILED, 100*1024*1024);
memlimit_exception_test(OB_SUCCESS, 100*1024*1024);
}
#define JOIN_EXCEPTION_TEST(file, func, key, err, expect_ret) \
do { \
TP_SET_ERROR("engine/join/"file, func, key, err); \
join_exception_test(expect_ret); \
TP_SET_ERROR("engine/join/"file, func, key, NULL); \
} while (0)
#define SERIALIZE_EXCEPTION_TEST(file, func, key, err, expect_ret) \
do { \
TP_SET_ERROR("engine/join/"file, func, key, err); \
serialize_exception_test(expect_ret); \
TP_SET_ERROR("engine/join/"file, func, key, NULL); \
} while (0)
int main(int argc, char **argv)
{
init_sql_factories();
OB_LOGGER.set_log_level("INFO");
::testing::InitGoogleTest(&argc,argv);
int ret = RUN_ALL_TESTS();
OB_LOGGER.disable();
return ret;
}
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