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oceanbase/src/observer/virtual_table/ob_gv_sql.h

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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 _OB_GV_SQL_H
#define _OB_GV_SQL_H 1
#include "observer/virtual_table/ob_all_plan_cache_stat.h"
#include "sql/plan_cache/ob_cache_object.h"
namespace oceanbase
{
namespace observer
{
class ObGVSql : public ObAllPlanCacheBase
{
public:
ObGVSql();
virtual ~ObGVSql();
void reset();
virtual int inner_open();
int inner_get_next_row() { return get_row_from_tenants(); }
protected:
int get_row_from_tenants();
int fill_cells(const sql::ObILibCacheObject *cache_obj, const sql::ObPlanCache &plan_cache);
int get_row_from_specified_tenant(uint64_t tenant_id, bool &is_end);
private:
common::ObSEArray<uint64_t, 1024> plan_id_array_;
int64_t plan_id_array_idx_;
sql::ObPlanCache *plan_cache_;
DISALLOW_COPY_AND_ASSIGN(ObGVSql);
};
}
}
#endif /* _OB_GV_SQL_H */