Code_insert.hpp
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上传日期:2022-05-23
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- /* 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_insert_hpp
- #define ODBC_CODEGEN_Code_insert_hpp
- #include <common/common.hpp>
- #include "Code_base.hpp"
- #include "Code_dml.hpp"
- #include "Code_dml_row.hpp"
- #include "Code_expr_row.hpp"
- #include "Code_select.hpp"
- #include "Code_query.hpp"
- #include "Code_table.hpp"
- #include "Code_set_row.hpp"
- enum Insert_op {
- Insert_op_undef = 0,
- Insert_op_insert = 1,
- Insert_op_write = 2
- };
- /**
- * @class Plan_insert
- * @brief Insert in PlanTree
- *
- * Insert. Becomes directly executable.
- */
- class Plan_insert : public Plan_dml {
- public:
- Plan_insert(Plan_root* root, Insert_op insertOp);
- virtual ~Plan_insert();
- Plan_base* analyze(Ctx& ctx, Ctl& ctl);
- void describe(Ctx& ctx);
- Exec_base* codegen(Ctx& ctx, Ctl& ctl);
- void print(Ctx& ctx);
- // children
- void setTable(Plan_table* table);
- Plan_dml_row* getDmlRow() const;
- void setDmlRow(Plan_dml_row* dmlRow);
- void setExprRow(Plan_expr_row* exprRow);
- void setSelect(Plan_select* select);
- void setQuery(Plan_query* query);
- void setMysqlRow(Plan_set_row* mysqlRow);
- protected:
- Insert_op m_insertOp;
- Plan_table* m_table;
- Plan_dml_row* m_dmlRow;
- Plan_expr_row* m_exprRow;
- Plan_select* m_select;
- Plan_query* m_query;
- Plan_set_row* m_mysqlRow;
- };
- inline
- Plan_insert::Plan_insert(Plan_root* root, Insert_op insertOp) :
- Plan_dml(root),
- m_insertOp(insertOp),
- m_table(0),
- m_dmlRow(0),
- m_exprRow(0),
- m_select(0),
- m_query(0),
- m_mysqlRow(0)
- {
- }
- // children
- inline void
- Plan_insert::setTable(Plan_table* table)
- {
- ctx_assert(table != 0);
- m_table = table;
- }
- inline void
- Plan_insert::setDmlRow(Plan_dml_row* dmlRow)
- {
- ctx_assert(dmlRow != 0);
- m_dmlRow = dmlRow;
- }
- inline Plan_dml_row*
- Plan_insert::getDmlRow() const
- {
- ctx_assert(m_dmlRow != 0);
- return m_dmlRow;
- }
- inline void
- Plan_insert::setExprRow(Plan_expr_row* exprRow)
- {
- ctx_assert(exprRow != 0);
- m_exprRow = exprRow;
- }
- inline void
- Plan_insert::setSelect(Plan_select* select)
- {
- ctx_assert(select != 0);
- m_select = select;
- }
- inline void
- Plan_insert::setQuery(Plan_query* query)
- {
- ctx_assert(query != 0);
- m_query = query;
- }
- inline void
- Plan_insert::setMysqlRow(Plan_set_row* mysqlRow)
- {
- ctx_assert(mysqlRow != 0);
- m_mysqlRow = mysqlRow;
- }
- /**
- * @class Exec_insert
- * @brief Executable insert
- */
- class Exec_insert : public Exec_dml {
- public:
- class Code : public Exec_dml::Code {
- public:
- Code();
- virtual ~Code();
- protected:
- friend class Plan_insert;
- friend class Exec_insert;
- Insert_op m_insertOp;
- char* m_tableName;
- unsigned m_attrCount;
- NdbAttrId* m_attrId;
- bool* m_isKey;
- unsigned m_tupleId; // position of tuple id
- unsigned m_autoIncrement; // position of ai key
- SqlType m_idType; // type of tuple id or ai key
- unsigned m_defaultCount;
- NdbAttrId* m_defaultId;
- SqlRow* m_defaultValue;
- bool findAttrId(NdbAttrId attrId) const;
- };
- class Data : public Exec_dml::Data {
- public:
- Data();
- virtual ~Data();
- protected:
- friend class Exec_insert;
- };
- Exec_insert(Exec_root* root);
- virtual ~Exec_insert();
- 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);
- private:
- Exec_query* m_query;
- };
- inline
- Exec_insert::Code::Code() :
- m_insertOp(Insert_op_undef),
- m_tableName(0),
- m_attrCount(0),
- m_attrId(0),
- m_isKey(0),
- m_tupleId(0),
- m_autoIncrement(0),
- m_defaultCount(0),
- m_defaultId(0),
- m_defaultValue(0)
- {
- }
- inline
- Exec_insert::Data::Data()
- {
- }
- inline
- Exec_insert::Exec_insert(Exec_root* root) :
- Exec_dml(root),
- m_query(0)
- {
- }
- // children
- inline const Exec_insert::Code&
- Exec_insert::getCode() const
- {
- const Code* code = static_cast<const Code*>(m_code);
- return *code;
- }
- inline Exec_insert::Data&
- Exec_insert::getData() const
- {
- Data* data = static_cast<Data*>(m_data);
- return *data;
- }
- inline void
- Exec_insert::setQuery(Exec_query* query)
- {
- ctx_assert(m_query == 0 && query != 0);
- m_query = query;
- }
- #endif