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HandleDesc.hpp
Package: mysql-4.1.16-win-src.zip [view]
Upload User: romrleung
Upload Date: 2022-05-23
Package Size: 18897k
Code Size: 3k
Category:
MySQL
Development Platform:
Visual C++
- /* 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_HandleDesc_hpp
- #define ODBC_HANDLES_HandleDesc_hpp
- #include <common/common.hpp>
- #include <common/DescArea.hpp>
- #include "HandleBase.hpp"
- class HandleRoot;
- class HandleDbc;
- /**
- * @class HandleDesc
- * @brief Descriptor handle (SQLHDESC).
- */
- class HandleDesc : public HandleBase {
- public:
- HandleDesc(HandleDbc* pDbc);
- ~HandleDesc();
- void ctor(Ctx& ctx);
- void dtor(Ctx& ctx);
- HandleDbc* getDbc();
- HandleBase* getParent();
- HandleRoot* getRoot();
- OdbcHandle odbcHandle();
- DescArea& descArea();
- // allocate and free handles (no valid case)
- void sqlAllocHandle(Ctx& ctx, SQLSMALLINT childType, HandleBase** ppChild);
- void sqlFreeHandle(Ctx& ctx, SQLSMALLINT childType, HandleBase* pChild);
- // set and get descriptor values (internal use)
- void sqlSetDescField(Ctx& ctx, SQLSMALLINT recNumber, SQLSMALLINT fieldIdentifier, SQLPOINTER value, SQLINTEGER bufferLength);
- void sqlGetDescField(Ctx& ctx, SQLSMALLINT recNumber, SQLSMALLINT fieldIdentifier, SQLPOINTER value, SQLINTEGER bufferLength, SQLINTEGER* stringLength, SQLSMALLINT* stringLength2 = 0);
- void sqlColAttribute(Ctx& ctx, SQLUSMALLINT columnNumber, SQLUSMALLINT fieldIdentifier, SQLPOINTER characterAttribute, SQLSMALLINT bufferLength, SQLSMALLINT* stringLength, SQLPOINTER numericAttribute);
- void sqlColAttributes(Ctx& ctx, SQLUSMALLINT icol, SQLUSMALLINT fdescType, SQLPOINTER rgbDesc, SQLSMALLINT cbDescMax, SQLSMALLINT* pcbDesc, SQLINTEGER* pfDesc);
- // set and get several common descriptor values
- void sqlSetDescRec(Ctx& ctx, SQLSMALLINT recNumber, SQLSMALLINT Type, SQLSMALLINT SubType, SQLINTEGER Length, SQLSMALLINT Precision, SQLSMALLINT Scale, SQLPOINTER Data, SQLINTEGER* StringLength, SQLINTEGER* Indicator);
- void sqlGetDescRec(Ctx& ctx, SQLSMALLINT recNumber, SQLCHAR* Name, SQLSMALLINT BufferLength, SQLSMALLINT* StringLength, SQLSMALLINT* Type, SQLSMALLINT* SubType, SQLINTEGER* Length, SQLSMALLINT* Precision, SQLSMALLINT* Scale, SQLSMALLINT* Nullable);
- private:
- HandleDbc* const m_dbc;
- static DescSpec m_descSpec[];
- DescArea m_descArea;
- };
- inline HandleDbc*
- HandleDesc::getDbc()
- {
- return m_dbc;
- }
- inline HandleBase*
- HandleDesc::getParent()
- {
- return (HandleDbc*)getDbc();
- }
- inline HandleRoot*
- HandleDesc::getRoot()
- {
- return getParent()->getRoot();
- }
- inline OdbcHandle
- HandleDesc::odbcHandle()
- {
- return Odbc_handle_desc;
- }
- inline DescArea&
- HandleDesc::descArea()
- {
- return m_descArea;
- }
- #endif