149 lines
4.5 KiB
C++
149 lines
4.5 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_OPT
|
|
#include <gtest/gtest.h>
|
|
#include "lib/json/ob_json.h"
|
|
#include "sql/optimizer/ob_log_plan_factory.h"
|
|
#include "sql/optimizer/ob_log_plan.h"
|
|
#include "sql/optimizer/ob_select_log_plan.h"
|
|
#include "sql/optimizer/ob_log_join.h"
|
|
#include "sql/optimizer/ob_log_table_scan.h"
|
|
#include "sql/optimizer/ob_log_sort.h"
|
|
#include "sql/optimizer/ob_log_group_by.h"
|
|
#include "sql/optimizer/ob_log_exchange.h"
|
|
#include "sql/optimizer/ob_join_order.h"
|
|
#include "sql/optimizer/ob_log_limit.h"
|
|
#include "sql/session/ob_sql_session_info.h"
|
|
#include "sql/parser/ob_parser.h"
|
|
#include "sql/optimizer/ob_optimizer.h"
|
|
#include "sql/ob_sql_context.h"
|
|
#include "sql/ob_sql.h"
|
|
#include "sql/resolver/ob_resolver.h"
|
|
|
|
#define BUF_LEN 102400 // 100K
|
|
|
|
using namespace oceanbase::sql;
|
|
using namespace oceanbase::common;
|
|
using namespace oceanbase::json;
|
|
|
|
namespace test {
|
|
class ObLogPlanTest : public ::testing::Test {
|
|
public:
|
|
ObLogPlanTest();
|
|
virtual ~ObLogPlanTest();
|
|
virtual void SetUp();
|
|
virtual void TearDown();
|
|
|
|
private:
|
|
// disallow copy
|
|
ObLogPlanTest(const ObLogPlanTest& other);
|
|
ObLogPlanTest& operator=(const ObLogPlanTest& other);
|
|
|
|
private:
|
|
// data members
|
|
};
|
|
|
|
ObLogPlanTest::ObLogPlanTest()
|
|
{}
|
|
|
|
ObLogPlanTest::~ObLogPlanTest()
|
|
{}
|
|
|
|
void ObLogPlanTest::SetUp()
|
|
{}
|
|
|
|
void ObLogPlanTest::TearDown()
|
|
{}
|
|
|
|
TEST_F(ObLogPlanTest, ob_explain_test)
|
|
{
|
|
|
|
// create a plan
|
|
ObSQLSessionInfo session_info;
|
|
ASSERT_EQ(OB_SUCCESS, session_info.test_init(0, 0, 0, NULL));
|
|
ObArenaAllocator mempool(ObModIds::OB_SQL_COMPILE, OB_MALLOC_NORMAL_BLOCK_SIZE);
|
|
ObExecContext exec_ctx;
|
|
ObAddr addr;
|
|
ObQueryHint query_hint;
|
|
ObRawExprFactory expr_factory(mempool);
|
|
ObLogPlanFactory log_plan_factory_(mempool);
|
|
ObOptimizerContext ctx(&session_info,
|
|
&exec_ctx,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
static_cast<ObIAllocator&>(mempool),
|
|
NULL,
|
|
NULL,
|
|
addr,
|
|
NULL,
|
|
OB_MERGED_VERSION_INIT,
|
|
query_hint,
|
|
expr_factory,
|
|
NULL);
|
|
ObSelectStmt* select_stmt = NULL;
|
|
ObSelectLogPlan plan(ctx, select_stmt);
|
|
|
|
// create the operator tree
|
|
ObLogTableScan* left =
|
|
reinterpret_cast<ObLogTableScan*>(plan.log_op_factory_.allocate(plan, log_op_def::LOG_TABLE_SCAN));
|
|
ObLogTableScan* right =
|
|
reinterpret_cast<ObLogTableScan*>(plan.log_op_factory_.allocate(plan, log_op_def::LOG_TABLE_SCAN));
|
|
ObLogJoin* join = reinterpret_cast<ObLogJoin*>(plan.log_op_factory_.allocate(plan, log_op_def::LOG_JOIN));
|
|
ObLogGroupBy* group_by =
|
|
reinterpret_cast<ObLogGroupBy*>(plan.log_op_factory_.allocate(plan, log_op_def::LOG_GROUP_BY));
|
|
ObLogSort* order_by = reinterpret_cast<ObLogSort*>(plan.log_op_factory_.allocate(plan, log_op_def::LOG_SORT));
|
|
ObLogLimit* limit = reinterpret_cast<ObLogLimit*>(plan.log_op_factory_.allocate(plan, log_op_def::LOG_LIMIT));
|
|
|
|
plan.set_plan_root(reinterpret_cast<ObLogicalOperator*>(limit));
|
|
limit->set_child(ObLogicalOperator::first_child, order_by);
|
|
order_by->set_parent(limit);
|
|
order_by->set_child(ObLogicalOperator::first_child, group_by);
|
|
group_by->set_parent(order_by);
|
|
group_by->set_child(ObLogicalOperator::first_child, join);
|
|
join->set_parent(group_by);
|
|
join->set_child(ObLogicalOperator::first_child, left);
|
|
left->set_parent(join);
|
|
join->set_child(ObLogicalOperator::second_child, right);
|
|
right->set_parent(join);
|
|
|
|
// print a plan
|
|
char buf[BUF_LEN];
|
|
plan.to_string(buf, BUF_LEN);
|
|
printf("%s\n", buf);
|
|
|
|
// print plan as json
|
|
char output_buf[OB_MAX_LOG_BUFFER_SIZE];
|
|
int64_t pos = 0;
|
|
Value* val = NULL;
|
|
plan.get_plan_root()->to_json(output_buf, OB_MAX_LOG_BUFFER_SIZE, pos, val);
|
|
Tidy tidy(val);
|
|
LOG_DEBUG("succ to generate json object", K(pos));
|
|
|
|
output_buf[0] = '\n';
|
|
pos = tidy.to_string(output_buf + pos, OB_MAX_LOG_BUFFER_SIZE - pos);
|
|
if (pos < OB_MAX_LOG_BUFFER_SIZE - 2) {
|
|
output_buf[pos + 1] = '\n';
|
|
_OB_LOG(INFO, "%.*s", static_cast<int32_t>(pos + 2), output_buf);
|
|
}
|
|
}
|
|
|
|
} // namespace test
|
|
int main(int argc, char** argv)
|
|
{
|
|
// OB_LOGGER.set_log_level("DEBUG");
|
|
::testing::InitGoogleTest(&argc, argv);
|
|
return RUN_ALL_TESTS();
|
|
}
|