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Diffstat (limited to 'storage/ndb/src/old_files/client/odbc/codegen/Code_query_join.hpp')
-rw-r--r-- | storage/ndb/src/old_files/client/odbc/codegen/Code_query_join.hpp | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/storage/ndb/src/old_files/client/odbc/codegen/Code_query_join.hpp b/storage/ndb/src/old_files/client/odbc/codegen/Code_query_join.hpp new file mode 100644 index 00000000000..f6ac9205329 --- /dev/null +++ b/storage/ndb/src/old_files/client/odbc/codegen/Code_query_join.hpp @@ -0,0 +1,159 @@ +/* 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_query_join_hpp +#define ODBC_CODEGEN_Code_query_join_hpp + +#include <common/common.hpp> +#include "Code_query.hpp" +#include "Code_table_list.hpp" +#include "Code_pred.hpp" + +/** + * @class Plan_query_join + * @brief Filter node in PlanTree + */ +class Plan_query_join : public Plan_query { +public: + Plan_query_join(Plan_root* root); + virtual ~Plan_query_join(); + Plan_base* analyze(Ctx& ctx, Ctl& ctl); + Exec_base* codegen(Ctx& ctx, Ctl& ctl); + void print(Ctx& ctx); + // children + void setInner(Plan_query* query); + void setOuter(Plan_query* query); +protected: + Plan_query* m_inner; + Plan_query* m_outer; +}; + +inline +Plan_query_join::Plan_query_join(Plan_root* root) : + Plan_query(root), + m_inner(0), + m_outer(0) +{ +} + +// children + +inline void +Plan_query_join::setInner(Plan_query* query) +{ + ctx_assert(query != 0); + m_inner = query; +} + +inline void +Plan_query_join::setOuter(Plan_query* query) +{ + ctx_assert(query != 0); + m_outer = query; +} + +/** + * @class Exec_query_join + * @brief Filter node in ExecTree + */ +class Exec_query_join : public Exec_query { +public: + class Code : public Exec_query::Code { + public: + Code(const SqlSpecs& sqlSpecs); + virtual ~Code(); + protected: + friend class Exec_query_join; + SqlSpecs m_sqlSpecs; + }; + class Data : public Exec_query::Data { + public: + Data(Exec_query_join* node, const SqlRow& sqlRow); + virtual ~Data(); + protected: + friend class Exec_query_join; + SqlRow m_sqlRow; + }; + Exec_query_join(Exec_root* root); + virtual ~Exec_query_join(); + void alloc(Ctx& ctx, Ctl& ctl); + void execImpl(Ctx& ctx, Ctl& ctl); + bool fetchImpl(Ctx& ctx, Ctl& ctl); + void close(Ctx& ctx); + void print(Ctx& ctx); + // children + const Code& getCode() const; + Data& getData() const; + void setInner(Exec_query* query); + void setOuter(Exec_query* query); +protected: + Exec_query* m_inner; + Exec_query* m_outer; +}; + +inline +Exec_query_join::Code::Code(const SqlSpecs& sqlSpecs) : + Exec_query::Code(m_sqlSpecs), + m_sqlSpecs(sqlSpecs) +{ +} + +inline +Exec_query_join::Data::Data(Exec_query_join* node, const SqlRow& sqlRow) : + Exec_query::Data(node, m_sqlRow), + m_sqlRow(sqlRow) +{ +} + +inline +Exec_query_join::Exec_query_join(Exec_root* root) : + Exec_query(root), + m_inner(0), + m_outer(0) +{ +} + +// children + +inline const Exec_query_join::Code& +Exec_query_join::getCode() const +{ + const Code* code = static_cast<const Code*>(m_code); + return *code; +} + +inline Exec_query_join::Data& +Exec_query_join::getData() const +{ + Data* data = static_cast<Data*>(m_data); + return *data; +} + +inline void +Exec_query_join::setInner(Exec_query* query) +{ + ctx_assert(query != 0); + m_inner = query; +} + +inline void +Exec_query_join::setOuter(Exec_query* query) +{ + ctx_assert(query != 0); + m_outer = query; +} + +#endif |