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oceanbase/src/observer/virtual_table/ob_virtual_sql_plan_statistics.h
2023-01-28 19:29:23 +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.
*/
#ifndef OCEANBASE_OBSERVER_OB_VIRTUAL_SQL_PLAN_STATISTICS_H
#define OCEANBASE_OBSERVER_OB_VIRTUAL_SQL_PLAN_STATISTICS_H 1
#include "share/ob_virtual_table_scanner_iterator.h"
#include "sql/plan_cache/ob_plan_cache_util.h"
#include "lib/container/ob_se_array.h"
#include "common/ob_range.h"
namespace oceanbase
{
namespace observer
{
class ObVirtualSqlPlanStatistics : public common::ObVirtualTableScannerIterator
{
public:
ObVirtualSqlPlanStatistics();
virtual ~ObVirtualSqlPlanStatistics();
int inner_open();
virtual int inner_get_next_row(common::ObNewRow *&row);
virtual void reset();
void set_tenant_id(int64_t tenant_id) { tenant_id_ = tenant_id; }
private:
int get_all_tenant_id();
int get_row_from_specified_tenant(uint64_t tenant_id, bool &is_end);
int fill_cells(const sql::ObOperatorStat &pstat);
private:
enum COLUMN_ID
{
TENANT_ID = common::OB_APP_MIN_COLUMN_ID,
SVR_IP,
SVR_PORT,
PLAN_ID,
OPERATION_ID,
EXECUTIONS,
OUTPUT_ROWS,
INPUT_ROWS,
RESCAN_TIMES,
BUFFER_GETS,
DISK_READS,
DISK_WRITES,
ELAPSED_TIME,
EXTEND_INFO1,
EXTEND_INFO2
};
common::ObSEArray<uint64_t, 16> tenant_id_array_;
common::ObSEArray<sql::ObOperatorStat, 128> operator_stat_array_;
int64_t tenant_id_;
int64_t tenant_id_array_idx_;
int64_t operator_stat_array_idx_;
DISALLOW_COPY_AND_ASSIGN(ObVirtualSqlPlanStatistics);
};
} //end namespace observer
} //end namespace oceanbase
#endif /* OCEANBASE_OBSERVER_OB_VIRTUAL_SQL_PLAN_STATISTICS_H */