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

406 lines
18 KiB
C++

/**
* 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.
*/
#define USING_LOG_PREFIX SQL
#include <unistd.h>
#include "lib/json/ob_json.h"
#define private public
#include "test_sql.h"
#include "sql/resolver/ob_resolver_utils.h"
#include "sql/ob_sql_utils.h"
#include "sql/plan_cache/ob_plan_cache_util.h"
#include "sql/plan_cache/ob_pcv_set.h"
#include "../optimizer/ob_mock_part_mgr.h"
#include "sql/optimizer/mock_locality_manger.h"
using namespace oceanbase::common;
using namespace oceanbase::json;
using namespace oceanbase::share::schema;
namespace test
{
static const int64_t BUKET_NUM = 102400;
static const int64_t HIGH_WATER_MARK = 10 * 100 * 1024; // 10 plans
static const int64_t LOW_WATER_MARK = 5 * 100 * 1024; // 5 plans
static const int64_t TEST_PLAN_NUM = 7;
static TestSQL *test_sql = NULL;
static ObPlanSet *plan_set = NULL;
static ObPlanCache *plan_cache = NULL;
static ObPlanCacheValue *plan_cache_value = NULL;
int64_t new_sql_id = 0;
int64_t allocate_sql_id()
{
return __sync_add_and_fetch(&new_sql_id, 1);
}
class TestPlanSet : public ::testing::Test
{
public:
TestPlanSet(){}
virtual ~TestPlanSet(){}
void SetUp(){}
void TearDown(){}
private:
// disallow copy
TestPlanSet(const TestPlanSet &other);
TestPlanSet& operator=(const TestPlanSet &other);
};
void init_sql_plan_set()
{
if (NULL == test_sql) {
test_sql = new TestSQL(ObString("test_schema.sql"));
ASSERT_TRUE(test_sql);
test_sql->init();
test_sql->get_session_info().set_user_session();
}
if (NULL == plan_cache) {
plan_cache = new ObPlanCache();
plan_cache->init(BUKET_NUM, test_sql->get_addr(), test_sql->get_part_cache(), OB_SYS_TENANT_ID, NULL);
plan_cache->set_host(test_sql->get_addr());
GCTX.self_addr_seq_.set_addr(test_sql->get_addr());
plan_cache->set_location_cache(test_sql->get_part_cache());
plan_cache->set_mem_limit_pct(20);
plan_cache->set_mem_high_pct(90);
plan_cache->set_mem_low_pct(50);
}
}
//void alter_schema_mgr_version()
//{
// // schema mgr's version
// ObSchemaManager *schema_mgr = test_sql->get_schema_manager();
// int64_t schema_version = schema_mgr->get_schema_version();
// schema_mgr->set_schema_version(schema_version + 1);
//}
//
//void alter_table_schema_version()
//{
// // schema mgr's version
// ObSchemaManager *schema_mgr = test_sql->get_schema_manager();
// // table's version;
// int64_t tid = combine_id(OB_SYS_TENANT_ID, 50000);
// ObTableSchema *table_schema = const_cast<ObTableSchema *>(schema_mgr->get_table_schema(tid));
// int64_t schema_version = table_schema->get_schema_version();
// table_schema->set_schema_version(schema_version + 1);
//}
void generate_plan(TestSqlCtx &test_sql_ctx, const char *query,
ParamStore &params, ObLogPlan *&logical_plan,
ObPhysicalPlan *&phy_plan, ObSQLSessionInfo &session)
{
LOG_INFO("generate_plan!", KP(&session));
ParseResult parse_result;
ObStmt *stmt = NULL;
ASSERT_EQ(OB_SUCCESS, session.test_init(0, 0, 0, test_sql_ctx.allocator_));
ASSERT_EQ(OB_SUCCESS, session.init_system_variables(false, true));
session.set_user_session();
//parse
test_sql->do_parse(*test_sql_ctx.allocator_, query, parse_result);
//replace const expt with ? in syntax tree; get params;
SqlInfo not_param_info;
ObMaxConcurrentParam::FixParamStore fixed_param_store(OB_MALLOC_NORMAL_BLOCK_SIZE,
ObWrapperAllocator(test_sql_ctx.allocator_));
bool is_transform_outline = false;
ObSqlParameterization::transform_syntax_tree(*test_sql_ctx.allocator_,
session,
NULL,
parse_result.result_tree_,
not_param_info,
params,
NULL,
fixed_param_store,
is_transform_outline);
//resolve
test_sql->do_resolve(test_sql_ctx, parse_result, stmt, &params);
//logical_plan
test_sql->generate_logical_plan(test_sql_ctx, &params, stmt, logical_plan);
ASSERT_TRUE(logical_plan != nullptr);
//physical plan
test_sql->generate_physical_plan(logical_plan, phy_plan);
ASSERT_TRUE(phy_plan != nullptr);
}
/*TEST_F(TestPlanSet, basic)
{
ObArenaAllocator allocator(ObModIds::TEST);
MockPartitionService partition_service;
MockLocalityManager locality_manager;
ObRawExprFactory expr_factory(allocator);
ObStmtFactory stmt_factory0(allocator);
ObStmtFactory stmt_factory1(allocator);
ObStmtFactory stmt_factory2(allocator);
ObStmtFactory stmt_factory3(allocator);
ObStmtFactory stmt_factory4(allocator);
ObStmtFactory stmt_factory5(allocator);
ObStmtFactory stmt_factory6(allocator);
ObLogPlanFactory log_plan_factory(allocator);
TestSqlCtx test_sql_ctx;
test_sql_ctx.allocator_ = &allocator;
test_sql_ctx.expr_factory_ = &expr_factory;
test_sql_ctx.stmt_factory_ = &stmt_factory0;
test_sql_ctx.log_plan_factory_ = &log_plan_factory;
ObSQLSessionInfo session[TEST_PLAN_NUM];
ObSqlCtx sql_ctx[TEST_PLAN_NUM];
// just empty array to avoid failure while adding plan
ObSEArray<ObPCConstParamInfo, 4> const_param_constraints;
ObSEArray<ObPCParamEqualInfo, 4> equal_param_constraints;
ObSEArray<ObPCParamPreciseInfo, 4> precise_param_constraints;
ObDList<ObPreCalcExprConstraint> all_pre_calc_constraints_;
ObSEArray<uint64_t, 4> trans_happened_route;
for (int i = 0; i < TEST_PLAN_NUM; i++) {
sql_ctx[i].schema_guard_ = &(test_sql->schema_guard_);
sql_ctx[i].session_info_ = &(session[i]);
sql_ctx[i].all_possible_const_param_constraints_ = &const_param_constraints;
sql_ctx[i].all_plan_const_param_constraints_ = &const_param_constraints;
sql_ctx[i].all_equal_param_constraints_ = &equal_param_constraints;
sql_ctx[i].all_precise_param_constraints_ = &precise_param_constraints;
sql_ctx[i].all_pre_calc_constraints_ = &all_pre_calc_constraints_;
sql_ctx[i].trans_happened_route_ = &trans_happened_route;
}
ObExecContext exec_ctx[TEST_PLAN_NUM];
for (int i = 0; i < TEST_PLAN_NUM; i++) {
exec_ctx[i].create_physical_plan_ctx();
exec_ctx[i].set_my_session(&(session[i]));
exec_ctx[i].set_sql_ctx(&sql_ctx[i]);
GCTX.par_ser_ = &partition_service;
GCTX.locality_manager_ = &locality_manager;
exec_ctx[i].get_task_executor_ctx()->set_min_cluster_version(CLUSTER_VERSION_1500);
}
ObLogPlan *logical_plan[TEST_PLAN_NUM];
ObPhysicalPlan *phy_plan[TEST_PLAN_NUM];
ObString sql[TEST_PLAN_NUM] = {
ObString::make_string("SELECT SUM(L_EXTENDEDPRICE)/7.0 AS AVG_YEARLY FROM LINEITEM, PART WHERE P_PARTKEY = L_PARTKEY AND P_BRAND = 'Brand#23' AND P_CONTAINER = 'MED BOX' AND L_QUANTITY < (SELECT 0.2*AVG(L_QUANTITY) FROM LINEITEM WHERE L_PARTKEY = P_PARTKEY);"),
ObString::make_string("select * from t1 where c1 = 5"),
ObString::make_string("select * from t1 where c1 = 2"),
ObString::make_string("select * from t1 where c1 > 3"),
ObString::make_string("select * from t1, t2 where t1.c1 = t2.c1"),
ObString::make_string("select * from vt"),
ObString::make_string("select @a union select @b")
};
// when add generate_plan() , change TEST_PLAN_NUM
generate_plan(test_sql_ctx, sql[0].ptr(),
exec_ctx[0].get_physical_plan_ctx()->get_param_store_for_update(),
logical_plan[0], phy_plan[0], session[0]);//local
test_sql_ctx.stmt_factory_ = &stmt_factory1;
generate_plan(test_sql_ctx, sql[1].ptr(),
exec_ctx[1].get_physical_plan_ctx()->get_param_store_for_update(),
logical_plan[1], phy_plan[1], session[1]);//local
test_sql_ctx.stmt_factory_ = &stmt_factory2;
generate_plan(test_sql_ctx, sql[2].ptr(),
exec_ctx[2].get_physical_plan_ctx()->get_param_store_for_update(),
logical_plan[2], phy_plan[2], session[2]);//remote
test_sql_ctx.stmt_factory_ = &stmt_factory3;
generate_plan(test_sql_ctx, sql[3].ptr(),
exec_ctx[3].get_physical_plan_ctx()->get_param_store_for_update(),
logical_plan[3], phy_plan[3], session[3]);//dist
test_sql_ctx.stmt_factory_ = &stmt_factory4;
generate_plan(test_sql_ctx, sql[4].ptr(),
exec_ctx[4].get_physical_plan_ctx()->get_param_store_for_update(),
logical_plan[4], phy_plan[4], session[4]);//dist
test_sql_ctx.stmt_factory_ = &stmt_factory5;
generate_plan(test_sql_ctx, sql[5].ptr(),
exec_ctx[5].get_physical_plan_ctx()->get_param_store_for_update(),
logical_plan[5], phy_plan[5], session[5]);//view
test_sql_ctx.stmt_factory_ = &stmt_factory6;
generate_plan(test_sql_ctx, sql[6].ptr(),
exec_ctx[6].get_physical_plan_ctx()->get_param_store_for_update(),
logical_plan[6], phy_plan[6], session[6]);
LOG_INFO("phy_plan type:",K(phy_plan[0]->get_plan_type()),K(phy_plan[1]->get_plan_type()),K(phy_plan[2]->get_plan_type()),K(phy_plan[3]->get_plan_type()));
// for (int i = 0; i < TEST_PLAN_NUM; i++) {
// phy_plan[i]->set_plan_id(i);
// }
common::ObSEArray<ObTablePartitionInfo *, 4> table_partition_info;
for (int i = 0; i < TEST_PLAN_NUM; i++) {
table_partition_info.reset();
EXPECT_TRUE (OB_SUCCESS == logical_plan[i]->get_global_table_partition_info(table_partition_info));
EXPECT_TRUE (OB_SUCCESS == exec_ctx[i].get_task_executor_ctx()->set_table_locations(
table_partition_info));
EXPECT_TRUE (OB_SUCCESS == exec_ctx[i].get_sql_ctx()->set_partition_infos(
table_partition_info, allocator));
}
ObPlanCacheCtx pc_ctx[TEST_PLAN_NUM] = {
ObPlanCacheCtx(sql[0], false, allocator, sql_ctx[0], exec_ctx[0], common::OB_SYS_TENANT_ID),
ObPlanCacheCtx(sql[1], false, allocator, sql_ctx[1], exec_ctx[1], common::OB_SYS_TENANT_ID),
ObPlanCacheCtx(sql[2], false, allocator, sql_ctx[2], exec_ctx[2], common::OB_SYS_TENANT_ID),
ObPlanCacheCtx(sql[3], false, allocator, sql_ctx[3], exec_ctx[3], common::OB_SYS_TENANT_ID),
ObPlanCacheCtx(sql[4], false, allocator, sql_ctx[4], exec_ctx[4], common::OB_SYS_TENANT_ID),
ObPlanCacheCtx(sql[5], false, allocator, sql_ctx[5], exec_ctx[5], common::OB_SYS_TENANT_ID),
ObPlanCacheCtx(sql[6], false, allocator, sql_ctx[6], exec_ctx[6], common::OB_SYS_TENANT_ID) };
for (int64_t i = 0; i < TEST_PLAN_NUM; ++i) {
pc_ctx[i].fp_result_.cache_params_ = &(exec_ctx[i].get_physical_plan_ctx()->get_param_store_for_update());
}
ObPCVSet pcv_set(plan_cache);
(void)pcv_set.init(pc_ctx[0], phy_plan[0]);
(void)pcv_set.create_new_pcv(plan_cache_value);
plan_cache_value->init(&pcv_set, phy_plan[0], pc_ctx[0]);
(void)plan_cache_value->create_new_plan_set(PST_SQL_CRSR, plan_set);
plan_set->set_plan_cache_value(plan_cache_value);
ASSERT_EQ(OB_SUCCESS, plan_set->init_new_set(pc_ctx[0], *(phy_plan[0]), OB_INVALID_INDEX, plan_cache_value->get_pc_alloc()));
//test add_plan()
EXPECT_EQ(OB_SUCCESS, plan_set->add_cache_obj(*(phy_plan[0]), pc_ctx[0], OB_INVALID_INDEX));
//can't add if plan exists;
EXPECT_NE(OB_SUCCESS, plan_set->add_cache_obj(*(phy_plan[0]), pc_ctx[0], OB_INVALID_INDEX));
//add remote plan
EXPECT_TRUE(OB_SUCCESS == plan_set->add_cache_obj(*(phy_plan[2]), pc_ctx[2], OB_INVALID_INDEX));
ParamStore *params = pc_ctx[0].fp_result_.cache_params_;
bool is_same = false;
int ret = plan_set->match_params_info(params,
pc_ctx[0],
OB_INVALID_INDEX,
is_same);
EXPECT_TRUE(OB_SUCCESS == ret);
EXPECT_TRUE(true == is_same);
common::Ob2DArray<ObParamInfo,
common::OB_MALLOC_BIG_BLOCK_SIZE,
common::ObWrapperAllocator, false> params_info ((ObWrapperAllocator(allocator)));
sql::ObParamInfo param_info;
for (int i = 0; i < params->count(); i++) {
param_info.type_ = params->at(i).get_type();
param_info.scale_ = params->at(i).get_scale();
param_info.flag_ = params->at(i).get_param_flag();
params_info.push_back(param_info);
param_info.reset();
}
is_same = false;
EXPECT_TRUE(OB_SUCCESS == plan_set->match_params_info(params_info,
OB_INVALID_INDEX,
pc_ctx[0],
is_same));
EXPECT_TRUE(true == is_same);
// test plan_set matching with user variables
ObSessionVariable var_a, var_b;
ObString var_a_name("a"), var_b_name("b");
var_a.value_.set_tinyint(6);
var_b.value_.set_float(6.0);
var_a.meta_.set_tinyint();
var_b.meta_.set_float();
ObSQLSessionInfo *session_info = sql_ctx[6].session_info_;
session_info->replace_user_variable(var_a_name, var_a);
session_info->replace_user_variable(var_b_name, var_b);
plan_set->reset();
// set related user var names
sql_ctx[6].related_user_var_names_.reset();
sql_ctx[6].related_user_var_names_.set_allocator(&allocator);
sql_ctx[6].related_user_var_names_.init(2);
sql_ctx[6].related_user_var_names_.push_back(var_a_name);
sql_ctx[6].related_user_var_names_.push_back(var_b_name);
plan_set->set_plan_cache_value(plan_cache_value);
plan_set->init_new_set(pc_ctx[6], *(phy_plan[6]), OB_INVALID_INDEX, plan_cache_value->get_pc_alloc());
params = pc_ctx[6].fp_result_.cache_params_;
is_same = false;
EXPECT_TRUE(OB_SUCCESS == plan_set->match_params_info(params,
pc_ctx[6],
OB_INVALID_INDEX,
is_same));
EXPECT_TRUE(true == is_same);
params_info.reset();
for (int64_t i = 0; i < params->count(); i++) {
param_info.type_ = params->at(i).get_type();
param_info.scale_ = params->at(i).get_scale();
param_info.flag_ = params->at(i).get_param_flag();
params_info.push_back(param_info);
param_info.reset();
}
is_same = false;
EXPECT_TRUE(OB_SUCCESS == plan_set->match_params_info(params_info,
OB_INVALID_INDEX,
pc_ctx[6],
is_same));
EXPECT_TRUE(true == is_same);
// change user variable's value
var_a.value_.set_tinyint(4);
is_same = false;
EXPECT_TRUE(OB_SUCCESS == plan_set->match_params_info(params,
pc_ctx[6],
OB_INVALID_INDEX,
is_same));
EXPECT_TRUE(true == is_same);
// change user variable's type
var_a.value_.set_int(4);
var_a.meta_.set_int();
session_info->replace_user_variable(var_a_name, var_a);
is_same = false;
EXPECT_TRUE(OB_SUCCESS == plan_set->match_params_info(params,
pc_ctx[6],
OB_INVALID_INDEX,
is_same));
EXPECT_TRUE(false == is_same);
//test dist plan with single table
plan_set->reset();
plan_set->plan_cache_value_ = plan_cache_value;
plan_set->init_new_set(pc_ctx[3], *(phy_plan[3]), OB_INVALID_INDEX, plan_cache_value->get_pc_alloc());
EXPECT_TRUE(OB_SUCCESS == plan_set->add_cache_obj(*(phy_plan[3]), pc_ctx[3], OB_INVALID_INDEX));
ObCacheObject *plan_selected = NULL;
EXPECT_TRUE(OB_SUCCESS == plan_set->select_plan(test_sql->get_part_cache(),
pc_ctx[3],
plan_selected));
//test dist plan with multi table, not support
plan_set->remove_all_plan();
plan_set->reset();
plan_set->plan_cache_value_ = plan_cache_value;
plan_set->init_new_set(pc_ctx[4], *(phy_plan[4]), OB_INVALID_INDEX, plan_cache_value->get_pc_alloc());
EXPECT_TRUE(OB_SUCCESS == plan_set->add_cache_obj(*(phy_plan[4]), pc_ctx[4], OB_INVALID_INDEX));
//test remote plan
plan_set->reset();
plan_set->plan_cache_value_ = plan_cache_value;
plan_set->init_new_set(pc_ctx[2], *(phy_plan[2]), OB_INVALID_INDEX, plan_cache_value->get_pc_alloc());
ASSERT_EQ(OB_SUCCESS, plan_set->init_new_set(pc_ctx[2], *(phy_plan[2]), OB_INVALID_INDEX, plan_cache_value->get_pc_alloc()));
EXPECT_EQ(OB_SUCCESS, plan_set->add_cache_obj(*(phy_plan[2]), pc_ctx[2], OB_INVALID_INDEX));
plan_selected = NULL;
EXPECT_EQ(OB_SUCCESS, plan_set->select_plan(test_sql->get_part_cache(), pc_ctx[2], plan_selected));
// EXPECT_TRUE(2 == plan_selected->get_object_id());
for(int i = 0; i < 3; i++) {
plan_set->remove_all_plan();
plan_set->reset();
plan_set->plan_cache_value_ = plan_cache_value;
ASSERT_EQ(OB_SUCCESS, plan_set->init_new_set(pc_ctx[i], *(phy_plan[i]), OB_INVALID_INDEX, plan_cache_value->get_pc_alloc()));
EXPECT_EQ(OB_SUCCESS, plan_set->add_cache_obj(*(phy_plan[i]), pc_ctx[i], OB_INVALID_INDEX));
//EXPECT_TRUE(phy_plan[i]->get_mem_size() == plan_set->get_mem_size());
}
}*/
}
int main(int argc, char **argv)
{
::oceanbase::sql::init_sql_factories();
::testing::InitGoogleTest(&argc,argv);
system("rm -plan test_plan_set.log");
OB_LOGGER.set_log_level("DEBUG");
OB_LOGGER.set_file_name("test_plan_set.log", true);
::test::init_sql_plan_set();
return RUN_ALL_TESTS();
}