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Code_table_list.hpp
上传用户:romrleung
上传日期:2022-05-23
资源大小:18897k
文件大小:2k
源码类别:
MySQL数据库
开发平台:
Visual C++
- /* Copyright (C) 2003 MySQL AB
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
- #ifndef ODBC_CODEGEN_Code_table_list_hpp
- #define ODBC_CODEGEN_Code_table_list_hpp
- #include <common/common.hpp>
- #include "Code_base.hpp"
- #include "Code_table.hpp"
- /**
- * @class Plan_table_list
- * @brief List of tables in select statement
- */
- class Plan_table_list : public Plan_base {
- public:
- Plan_table_list(Plan_root* root);
- virtual ~Plan_table_list();
- Plan_base* analyze(Ctx& ctx, Ctl& ctl);
- Exec_base* codegen(Ctx& ctx, Ctl& ctl);
- void print(Ctx& ctx);
- // children
- unsigned countTable() const;
- void addTable(Plan_table* table);
- Plan_table* getTable(unsigned i) const;
- protected:
- friend class Plan_select;
- TableVector m_tableList;
- };
- inline
- Plan_table_list::Plan_table_list(Plan_root* root) :
- Plan_base(root),
- m_tableList(1)
- {
- }
- // children
- inline unsigned
- Plan_table_list::countTable() const
- {
- return m_tableList.size() - 1;
- }
- inline void
- Plan_table_list::addTable(Plan_table* table)
- {
- ctx_assert(table != 0);
- m_tableList.push_back(table);
- }
- inline Plan_table*
- Plan_table_list::getTable(unsigned i) const
- {
- ctx_assert(1 <= i && i <= countTable() && m_tableList[i] != 0);
- return m_tableList[i];
- }
- #endif