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Diffstat (limited to 'storage/ndb/src/old_files/client/odbc/codegen/Code_query_lookup.hpp')
| -rw-r--r-- | storage/ndb/src/old_files/client/odbc/codegen/Code_query_lookup.hpp | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/storage/ndb/src/old_files/client/odbc/codegen/Code_query_lookup.hpp b/storage/ndb/src/old_files/client/odbc/codegen/Code_query_lookup.hpp new file mode 100644 index 00000000000..e66623d4030 --- /dev/null +++ b/storage/ndb/src/old_files/client/odbc/codegen/Code_query_lookup.hpp @@ -0,0 +1,155 @@ +/* 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_lookup_hpp +#define ODBC_CODEGEN_Code_query_lookup_hpp + +#include <common/common.hpp> +#include "Code_query.hpp" +#include "Code_table.hpp" + +class Ctx; +class StmtArea; +class NdbConnection; +class NdbOperation; +class NdbRecAttr; + +/** + * @class Plan_query_lookup + * @brief Full select (no where clause) + */ +class Plan_query_lookup : public Plan_query { +public: + Plan_query_lookup(Plan_root* root); + virtual ~Plan_query_lookup(); + Plan_base* analyze(Ctx& ctx, Ctl& ctl); + Exec_base* codegen(Ctx& ctx, Ctl& ctl); + void print(Ctx& ctx); + // children + void setTable(Plan_table* table); +protected: + Plan_table* m_table; +}; + +inline +Plan_query_lookup::Plan_query_lookup(Plan_root* root) : + Plan_query(root), + m_table(0) +{ +} + +// children + +inline void +Plan_query_lookup::setTable(Plan_table* table) +{ + ctx_assert(table != 0); + m_table = table; +} + +/** + * @class Exec_query_lookup + * @brief Full select (no where clause) + */ +class Exec_query_lookup : public Exec_query { +public: + class Code : public Exec_query::Code { + public: + Code(unsigned keyCount, unsigned attrCount); + virtual ~Code(); + protected: + friend class Plan_query_lookup; + friend class Exec_query_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; + SqlSpecs m_sqlSpecs; + NdbAttrId* m_attrId; + }; + class Data : public Exec_query::Data { + public: + Data(Exec_query_lookup* node, const SqlSpecs& sqlSpecs); + virtual ~Data(); + protected: + friend class Exec_query_lookup; + SqlRow m_sqlRow; + NdbConnection* m_con; + NdbOperation* m_op; + NdbRecAttr** m_recAttr; + bool m_done; // returns one row + }; + Exec_query_lookup(Exec_root* root); + virtual ~Exec_query_lookup(); + 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; +}; + +inline +Exec_query_lookup::Code::Code(unsigned keyCount, unsigned attrCount) : + Exec_query::Code(m_sqlSpecs), + m_tableName(0), + m_keyCount(keyCount), + m_keySpecs(keyCount), + m_keyId(0), + m_attrCount(attrCount), + m_sqlSpecs(attrCount), + m_attrId(0) +{ +} + +inline +Exec_query_lookup::Data::Data(Exec_query_lookup* node, const SqlSpecs& sqlSpecs) : + Exec_query::Data(node, m_sqlRow), + m_sqlRow(sqlSpecs), + m_con(0), + m_op(0), + m_recAttr(0), + m_done(false) +{ +} + +inline +Exec_query_lookup::Exec_query_lookup(Exec_root* root) : + Exec_query(root) +{ +} + +// children + +inline const Exec_query_lookup::Code& +Exec_query_lookup::getCode() const +{ + const Code* code = static_cast<const Code*>(m_code); + return *code; +} + +inline Exec_query_lookup::Data& +Exec_query_lookup::getData() const +{ + Data* data = static_cast<Data*>(m_data); + return *data; +} + +#endif |