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Diffstat (limited to 'storage/ndb/src/old_files/client/odbc/codegen/Code_query_filter.hpp')
| -rw-r--r-- | storage/ndb/src/old_files/client/odbc/codegen/Code_query_filter.hpp | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/storage/ndb/src/old_files/client/odbc/codegen/Code_query_filter.hpp b/storage/ndb/src/old_files/client/odbc/codegen/Code_query_filter.hpp new file mode 100644 index 00000000000..60cbf0f86a7 --- /dev/null +++ b/storage/ndb/src/old_files/client/odbc/codegen/Code_query_filter.hpp @@ -0,0 +1,162 @@ +/* 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_filter_hpp +#define ODBC_CODEGEN_Code_query_filter_hpp + +#include <common/common.hpp> +#include "Code_query.hpp" +#include "Code_table_list.hpp" +#include "Code_pred.hpp" + +/** + * @class Plan_query_filter + * @brief Filter node in PlanTree + */ +class Plan_query_filter : public Plan_query { +public: + Plan_query_filter(Plan_root* root); + virtual ~Plan_query_filter(); + Plan_base* analyze(Ctx& ctx, Ctl& ctl); + Exec_base* codegen(Ctx& ctx, Ctl& ctl); + void print(Ctx& ctx); + // children + void setQuery(Plan_query* query); + void setPred(Plan_pred* pred); +protected: + friend class Plan_select; + friend class Plan_update; + friend class Plan_delete; + Plan_query* m_query; + Plan_pred* m_pred; + Plan_table* m_topTable; // top level table for interpreted progs +}; + +inline +Plan_query_filter::Plan_query_filter(Plan_root* root) : + Plan_query(root), + m_query(0), + m_pred(0), + m_topTable(0) +{ +} + +// children + +inline void +Plan_query_filter::setQuery(Plan_query* query) +{ + ctx_assert(query != 0); + m_query = query; +} + +inline void +Plan_query_filter::setPred(Plan_pred* pred) +{ + ctx_assert(pred != 0); + m_pred = pred; +} + +/** + * @class Exec_query_filter + * @brief Filter node in ExecTree + */ +class Exec_query_filter : public Exec_query { +public: + class Code : public Exec_query::Code { + public: + Code(const SqlSpecs& sqlSpecs); + virtual ~Code(); + protected: + friend class Exec_query_filter; + // sets reference to SqlSpecs from subquery + }; + class Data : public Exec_query::Data { + public: + Data(Exec_query_filter* node, const SqlRow& sqlRow); + virtual ~Data(); + protected: + friend class Exec_query_filter; + // sets reference to SqlRow from subquery + }; + Exec_query_filter(Exec_root* root); + virtual ~Exec_query_filter(); + 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 setQuery(Exec_query* query); + void setPred(Exec_pred* pred); +protected: + Exec_query* m_query; + Exec_pred* m_pred; +}; + +inline +Exec_query_filter::Code::Code(const SqlSpecs& sqlSpecs) : + Exec_query::Code(sqlSpecs) +{ +} + +inline +Exec_query_filter::Data::Data(Exec_query_filter* node, const SqlRow& sqlRow) : + Exec_query::Data(node, sqlRow) +{ +} + +inline +Exec_query_filter::Exec_query_filter(Exec_root* root) : + Exec_query(root), + m_query(0), + m_pred(0) +{ +} + +// children + +inline const Exec_query_filter::Code& +Exec_query_filter::getCode() const +{ + const Code* code = static_cast<const Code*>(m_code); + return *code; +} + +inline Exec_query_filter::Data& +Exec_query_filter::getData() const +{ + Data* data = static_cast<Data*>(m_data); + return *data; +} + +inline void +Exec_query_filter::setQuery(Exec_query* query) +{ + ctx_assert(query != 0); + m_query = query; +} + +inline void +Exec_query_filter::setPred(Exec_pred* pred) +{ + ctx_assert(pred != 0); + m_pred = pred; +} + +#endif |