HandleDbc.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_HANDLES_HandleDbc_hpp
- #define ODBC_HANDLES_HandleDbc_hpp
- #include <list>
- #include <common/common.hpp>
- #include <common/ConnArea.hpp>
- #include "HandleBase.hpp"
- class HandleRoot;
- class HandleEnv;
- class HandleStmt;
- class HandleDesc;
- /**
- * @class HandleDbc
- * @brief Connection handle (SQLHDBC).
- */
- class HandleDbc : public HandleBase, public ConnArea {
- public:
- HandleDbc(HandleEnv* pEnv);
- ~HandleDbc();
- void ctor(Ctx& ctx);
- void dtor(Ctx& ctx);
- HandleEnv* getEnv();
- HandleBase* getParent();
- HandleRoot* getRoot();
- OdbcHandle odbcHandle();
- // allocate and free handles
- void sqlAllocStmt(Ctx& ctx, HandleStmt** ppStmt);
- void sqlAllocDesc(Ctx& ctx, HandleDesc** ppDesc);
- void sqlAllocHandle(Ctx& ctx, SQLSMALLINT childType, HandleBase** ppChild);
- void sqlFreeStmt(Ctx& ctx, HandleStmt* pStmt, SQLUSMALLINT iOption);
- void sqlFreeDesc(Ctx& ctx, HandleDesc* pDesc);
- void sqlFreeHandle(Ctx& ctx, SQLSMALLINT childType, HandleBase* pChild);
- // attributes and info functions
- void sqlSetConnectAttr(Ctx& ctx, SQLINTEGER attribute, SQLPOINTER value, SQLINTEGER stringLength);
- void sqlGetConnectAttr(Ctx& ctx, SQLINTEGER attribute, SQLPOINTER value, SQLINTEGER bufferLength, SQLINTEGER* stringLength);
- void sqlSetConnectOption(Ctx& ctx, SQLUSMALLINT option, SQLUINTEGER value); // odbc2.0
- void sqlGetConnectOption(Ctx& ctx, SQLUSMALLINT option, SQLPOINTER value); // odbc2.0
- void sqlGetFunctions(Ctx& ctx, SQLUSMALLINT functionId, SQLUSMALLINT* supported);
- void sqlGetInfo(Ctx& ctx, SQLUSMALLINT infoType, SQLPOINTER infoValue, SQLSMALLINT bufferLength, SQLSMALLINT* stringLength);
- int getOdbcVersion(Ctx& ctx);
- // connect and transactions
- void sqlConnect(Ctx& ctx, SQLCHAR* serverName, SQLSMALLINT nameLength1, SQLCHAR* userName, SQLSMALLINT nameLength2, SQLCHAR* authentication, SQLSMALLINT nameLength3);
- void sqlDriverConnect(Ctx& ctx, SQLHWND hwnd, SQLCHAR* szConnStrIn, SQLSMALLINT cbConnStrIn, SQLCHAR* szConnStrOut, SQLSMALLINT cbConnStrOutMax, SQLSMALLINT* pcbConnStrOut, SQLUSMALLINT fDriverCompletion);
- void sqlDisconnect(Ctx& ctx);
- void sqlEndTran(Ctx& ctx, SQLSMALLINT completionType);
- void sqlTransact(Ctx& ctx, SQLUSMALLINT completionType); // odbc2.0
- private:
- HandleEnv* const m_env;
- typedef std::list<HandleStmt*> ListStmt;
- ListStmt m_listStmt;
- typedef std::list<HandleDesc*> ListDesc;
- ListDesc m_listDesc;
- static AttrSpec m_attrSpec[];
- AttrArea m_attrArea;
- struct FuncTab {
- SQLUSMALLINT m_functionId;
- int m_supported;
- };
- static FuncTab m_funcTab[];
- struct InfoTab {
- SQLUSMALLINT m_id;
- enum { Char, YesNo, Short, Long, Bitmask, End } m_format;
- SQLUINTEGER m_int;
- const char* m_str;
- };
- static InfoTab m_infoTab[];
- };
- inline HandleEnv*
- HandleDbc::getEnv()
- {
- return m_env;
- }
- inline HandleBase*
- HandleDbc::getParent()
- {
- return (HandleBase*)getEnv();
- }
- inline HandleRoot*
- HandleDbc::getRoot()
- {
- return getParent()->getRoot();
- }
- inline OdbcHandle
- HandleDbc::odbcHandle()
- {
- return Odbc_handle_dbc;
- }
- #endif