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oceanbase/src/observer/virtual_table/ob_show_create_trigger.h
wangzelin.wzl 93a1074b0c patch 4.0
2022-10-24 17:57:12 +08:00

64 lines
1.6 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.
*/
#ifndef OCEANBASE_SRC_OBSERVER_VIRTUAL_TABLE_OB_SHOW_CREATE_TRIGGER_H_
#define OCEANBASE_SRC_OBSERVER_VIRTUAL_TABLE_OB_SHOW_CREATE_TRIGGER_H_
#include "lib/container/ob_se_array.h"
#include "share/ob_virtual_table_scanner_iterator.h"
#include "common/ob_range.h"
namespace oceanbase
{
namespace sql
{
class ObSQLSessionInfo;
}
namespace share
{
namespace schema
{
class ObTriggerInfo;
}
}
namespace observer
{
class ObShowCreateTrigger : public common::ObVirtualTableScannerIterator
{
private:
enum ShowCreateTriggerColumns {
TRIGGER_ID = 16,
TRIGGER_NAME,
SQL_MODE,
CREATE_TRIGGER,
CHARACTER_SET_CLIENT,
COLLATION_CONNECTION,
COLLATION_DATABASE,
};
public:
ObShowCreateTrigger();
virtual ~ObShowCreateTrigger();
virtual int inner_get_next_row(common::ObNewRow *&row);
virtual void reset();
private:
int calc_show_trigger_id(uint64_t &tg_id);
int fill_row_cells(uint64_t tg_id, const share::schema::ObTriggerInfo &tg_info);
private:
DISALLOW_COPY_AND_ASSIGN(ObShowCreateTrigger);
};
} // observer
} // oceanbase
#endif /* OCEANBASE_SRC_OBSERVER_VIRTUAL_TABLE_OB_SHOW_CREATE_TRIGGER_H_ */