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oceanbase/src/sql/engine/cmd/ob_trigger_executor.h
wangzelin.wzl 93a1074b0c patch 4.0
2022-10-24 17:57:12 +08:00

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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_SQL_OB_TRIGGER_EXECUTOR_H_
#define OCEANBASE_SQL_OB_TRIGGER_EXECUTOR_H_
#include "lib/container/ob_vector.h"
#include "sql/parser/parse_node.h"
#include "sql/resolver/ob_stmt_type.h"
#include "share/schema/ob_schema_getter_guard.h"
#include "share/ob_rpc_struct.h"
#include "lib/mysqlclient/ob_mysql_proxy.h"
namespace oceanbase
{
namespace sql
{
class ObExecContext;
class ObCreateTriggerStmt;
class ObAlterTriggerStmt;
class ObDropTriggerStmt;
class ObCreateTriggerExecutor
{
public:
ObCreateTriggerExecutor() {}
virtual ~ObCreateTriggerExecutor() {}
int execute(ObExecContext &ctx, ObCreateTriggerStmt &stmt);
int analyze_dependencies(share::schema::ObSchemaGetterGuard &schema_guard,
ObSQLSessionInfo *session_info,
common::ObMySQLProxy *sql_proxy,
ObIAllocator &allocator,
obrpc::ObCreateTriggerArg &arg);
private:
ObCreateTriggerExecutor(const ObCreateTriggerExecutor&);
void operator=(const ObCreateTriggerExecutor&);
};
class ObDropTriggerExecutor
{
public:
ObDropTriggerExecutor() {}
virtual ~ObDropTriggerExecutor() {}
int execute(ObExecContext &ctx, ObDropTriggerStmt &stmt);
private:
ObDropTriggerExecutor(const ObDropTriggerExecutor&);
void operator=(const ObDropTriggerExecutor&);
};
class ObAlterTriggerExecutor
{
public:
ObAlterTriggerExecutor() {}
virtual ~ObAlterTriggerExecutor() {}
int execute(ObExecContext &ctx, ObAlterTriggerStmt &stmt);
private:
ObAlterTriggerExecutor(const ObAlterTriggerExecutor&);
void operator=(const ObAlterTriggerExecutor&);
};
} // namespace sql
} // namespace oceanbase
#endif /* OCEANBASE_SQL_OB_TRIGGER_EXECUTOR_H_ */