/* 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_update_lookup_hpp #define ODBC_CODEGEN_Code_update_lookup_hpp #include <common/common.hpp> #include "Code_base.hpp" #include "Code_dml.hpp" #include "Code_table.hpp" #include "Code_query.hpp" /** * @class Plan_update_lookup * @brief Update in PlanTree */ class Plan_update_lookup : public Plan_dml { public: Plan_update_lookup(Plan_root* root); virtual ~Plan_update_lookup(); 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); void setDmlRow(Plan_dml_row* dmlRow); void setQuery(Plan_query* query); protected: Plan_table* m_table; Plan_dml_row* m_dmlRow; Plan_query* m_query; }; inline Plan_update_lookup::Plan_update_lookup(Plan_root* root) : Plan_dml(root), m_table(0), m_dmlRow(0), m_query(0) { } inline void Plan_update_lookup::setTable(Plan_table* table) { ctx_assert(table != 0); m_table = table; } inline void Plan_update_lookup::setDmlRow(Plan_dml_row* dmlRow) { ctx_assert(dmlRow != 0); m_dmlRow = dmlRow; } inline void Plan_update_lookup::setQuery(Plan_query* query) { ctx_assert(query != 0); m_query = query; } /** * @class Exec_update_lookup * @brief Insert in ExecTree */ class Exec_update_lookup : public Exec_dml { public: class Code : public Exec_dml::Code { public: Code(unsigned keyCount); virtual ~Code(); protected: friend class Plan_update_lookup; friend class Exec_update_lookup; char* m_tableName; unsigned m_keyCount; SqlSpecs m_keySpecs; // key types NdbAttrId* m_keyId; Exec_expr** m_keyMatch; // XXX pointers for now unsigned m_attrCount; NdbAttrId* m_attrId; }; class Data : public Exec_dml::Data { public: Data(); virtual ~Data(); protected: friend class Exec_update_lookup; }; Exec_update_lookup(Exec_root* root); virtual ~Exec_update_lookup(); 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_update_lookup::Code::Code(unsigned keyCount) : m_tableName(0), m_keyCount(keyCount), m_keySpecs(keyCount), m_keyId(0), m_keyMatch(0), m_attrCount(0), m_attrId(0) { } inline Exec_update_lookup::Data::Data() { } inline Exec_update_lookup::Exec_update_lookup(Exec_root* root) : Exec_dml(root), m_query(0) { } // children inline const Exec_update_lookup::Code& Exec_update_lookup::getCode() const { const Code* code = static_cast<const Code*>(m_code); return *code; } inline Exec_update_lookup::Data& Exec_update_lookup::getData() const { Data* data = static_cast<Data*>(m_data); return *data; } inline void Exec_update_lookup::setQuery(Exec_query* query) { ctx_assert(query != 0 && m_query == 0); m_query = query; } #endif