MiniOB 1
MiniOB is one mini database, helping developers to learn how database works.
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desc_table_stmt.h
1/* Copyright (c) 2021 OceanBase and/or its affiliates. All rights reserved.
2miniob is licensed under Mulan PSL v2.
3You can use this software according to the terms and conditions of the Mulan PSL v2.
4You may obtain a copy of Mulan PSL v2 at:
5 http://license.coscl.org.cn/MulanPSL2
6THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
7EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
8MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
9See the Mulan PSL v2 for more details. */
10
11//
12// Created by Wangyunlai on 2023/6/14.
13//
14
15#pragma once
16
17#include <string>
18#include <vector>
19
20#include "sql/stmt/stmt.h"
21
22class Db;
23
29class DescTableStmt : public Stmt
30{
31public:
32 DescTableStmt(const std::string &table_name)
33 : table_name_(table_name)
34 {}
35 virtual ~DescTableStmt() = default;
36
37 StmtType type() const override { return StmtType::DESC_TABLE; }
38
39 const std::string &table_name() const { return table_name_; }
40
41 static RC create(Db *db, const DescTableSqlNode &desc_table, Stmt *&stmt);
42
43private:
44 std::string table_name_;
45};
一个DB实例负责管理一批表
Definition: db.h:34
描述表的语句
Definition: desc_table_stmt.h:30
Stmt for Statement
Definition: stmt.h:78
描述一个desc table语句
Definition: parse_defs.h:204