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Code_delete_index.hpp
Package: mysql-4.1.16-win-src.zip [view]
Upload User: romrleung
Upload Date: 2022-05-23
Package Size: 18897k
Code Size: 4k
Category:
MySQL
Development Platform:
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_delete_index_hpp
- #define ODBC_CODEGEN_Code_delete_index_hpp
- #include <common/common.hpp>
- #include "Code_dml.hpp"
- #include "Code_query.hpp"
- #include "Code_table.hpp"
- /**
- * @class Plan_delete_index
- * @brief Delete by primary key
- */
- class Plan_delete_index : public Plan_dml {
- public:
- Plan_delete_index(Plan_root* root);
- virtual ~Plan_delete_index();
- Plan_base* analyze(Ctx& ctx, Ctl& ctl);
- void describe(Ctx& ctx);
- Exec_base* codegen(Ctx& ctx, Ctl& ctl);
- void print(Ctx& ctx);
- // children
- void setQuery(Plan_query* query);
- void setTable(Plan_table* table, Plan_table::Index* index);
- protected:
- Plan_query* m_query;
- Plan_table* m_table;
- Plan_table::Index* m_index;
- };
- inline
- Plan_delete_index::Plan_delete_index(Plan_root* root) :
- Plan_dml(root),
- m_query(0),
- m_table(0)
- {
- }
- inline void
- Plan_delete_index::setQuery(Plan_query* query)
- {
- ctx_assert(query != 0);
- m_query = query;
- }
- inline void
- Plan_delete_index::setTable(Plan_table* table, Plan_table::Index* index)
- {
- ctx_assert(table != 0 && index != 0 && index == &table->m_indexList[index->m_pos] && index->m_pos != 0);
- m_table = table;
- m_index = index;
- }
- /**
- * @class Exec_delete_index
- * @brief Delete by primary key
- */
- class Exec_delete_index : public Exec_dml {
- public:
- class Code : public Exec_dml::Code {
- public:
- Code(unsigned keyCount);
- virtual ~Code();
- protected:
- friend class Plan_delete_index;
- friend class Exec_delete_index;
- const char* m_tableName;
- const char* m_indexName;
- unsigned m_keyCount;
- SqlSpecs m_keySpecs; // key types
- NdbAttrId* m_keyId;
- Exec_expr** m_keyMatch; // XXX pointers for now
- };
- class Data : public Exec_dml::Data {
- public:
- Data();
- virtual ~Data();
- protected:
- friend class Exec_delete_index;
- };
- Exec_delete_index(Exec_root* root);
- virtual ~Exec_delete_index();
- void alloc(Ctx& ctx, Ctl& ctl);
- void execImpl(Ctx& ctx, Ctl& ctl);
- void close(Ctx& ctx);
- void print(Ctx& ctx);
- // children
- const Code& getCode() const;
- Data& getData() const;
- void setQuery(Exec_query* query);
- protected:
- Exec_query* m_query;
- };
- inline
- Exec_delete_index::Code::Code(unsigned keyCount) :
- m_tableName(0),
- m_indexName(0),
- m_keyCount(keyCount),
- m_keySpecs(keyCount),
- m_keyId(0),
- m_keyMatch(0)
- {
- }
- inline
- Exec_delete_index::Data::Data()
- {
- }
- inline
- Exec_delete_index::Exec_delete_index(Exec_root* root) :
- Exec_dml(root),
- m_query(0)
- {
- }
- // children
- inline const Exec_delete_index::Code&
- Exec_delete_index::getCode() const
- {
- const Code* code = static_cast<const Code*>(m_code);
- return *code;
- }
- inline Exec_delete_index::Data&
- Exec_delete_index::getData() const
- {
- Data* data = static_cast<Data*>(m_data);
- return *data;
- }
- inline void
- Exec_delete_index::setQuery(Exec_query* query)
- {
- ctx_assert(query != 0 && m_query == 0);
- m_query = query;
- }
- #endif