Files
oceanbase/src/sql/resolver/ddl/ob_lock_table_resolver.h
wangzelin.wzl 93a1074b0c patch 4.0
2022-10-24 17:57:12 +08:00

55 lines
1.8 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_SQL_RESOLVER_DML_OB_LOCK_TABLE_RESOLVER_
#define OCEANBASE_SQL_RESOLVER_DML_OB_LOCK_TABLE_RESOLVER_
#include "sql/resolver/ddl/ob_lock_table_stmt.h"
#include "sql/resolver/ddl/ob_ddl_resolver.h"
namespace oceanbase
{
namespace sql
{
class ObLockTableStmt;
// NOTE: yanyuan.cxf LOCK TABLE is dml at oracle, but it does not have
// SQL plan, so we treat it as ddl operator.
class ObLockTableResolver : public ObDDLResolver
{
public:
static const int64_t TABLE = 0; /* 0. table node */
static const int64_t LOCK_MODE = 1; /* 1. lock mode node */
static const int64_t WAIT_NODE = 2; /* 2. wait node? */
public:
explicit ObLockTableResolver(ObResolverParams &params)
: ObDDLResolver(params)
{}
virtual ~ObLockTableResolver()
{}
virtual int resolve(const ParseNode &parse_tree);
inline ObLockTableStmt *get_lock_table_stmt() { return static_cast<ObLockTableStmt*>(stmt_); }
private:
int resolve_mysql_mode(const ParseNode &parse_tree);
int resolve_oracle_mode(const ParseNode &parse_tree);
int resolve_table_relation_node(const ParseNode &parse_tree);
int resolve_lock_mode(const ParseNode &parse_tree);
DISALLOW_COPY_AND_ASSIGN(ObLockTableResolver);
};
} // namespace sql
} // namespace oceanbase
#endif // OCEANBASE_SQL_RESOLVER_DML_OB_LOCK_TABLE_RESOLVER_