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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_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
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