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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_COMMON_OdbcData_hpp
#define ODBC_COMMON_OdbcData_hpp
#include <ndb_types.h>
#include <common/common.hpp>
/**
* @class OdbcData
* @brief Odbc data types and storage
*
* Stores diagnostics, attributes, and descriptors. Also used
* for converting to and from driver function arguments.
*/
class OdbcData {
public:
enum Type {
Undef = 0,
Smallint,
Usmallint,
Integer,
Uinteger,
Pointer,
SmallintPtr,
UsmallintPtr,
IntegerPtr,
UintegerPtr,
PointerPtr,
Sqlchar,
Sqlstate
};
OdbcData();
OdbcData(Type type);
OdbcData(const OdbcData& odbcData);
OdbcData(SQLSMALLINT smallint);
OdbcData(SQLUSMALLINT usmallint);
OdbcData(SQLINTEGER integer);
OdbcData(SQLUINTEGER uinteger);
OdbcData(SQLPOINTER pointer);
OdbcData(SQLSMALLINT* smallintPtr);
OdbcData(SQLUSMALLINT* usmallintPtr);
OdbcData(SQLINTEGER* integerPtr);
OdbcData(SQLUINTEGER* uintegerPtr);
OdbcData(SQLPOINTER* pointerPtr);
OdbcData(const char* sqlchar);
OdbcData(const ::Sqlstate& sqlstate);
~OdbcData();
Type type() const;
void setValue();
void setValue(Type type);
void setValue(const OdbcData odbcData);
// get value
SQLSMALLINT smallint() const;
SQLUSMALLINT usmallint() const;
SQLINTEGER integer() const;
SQLUINTEGER uinteger() const;
SQLPOINTER pointer() const;
SQLSMALLINT* smallintPtr() const;
SQLUSMALLINT* usmallintPtr() const;
SQLINTEGER* integerPtr() const;
SQLUINTEGER* uintegerPtr() const;
SQLPOINTER* pointerPtr() const;
const char* sqlchar() const;
const ::Sqlstate& sqlstate() const;
// copy in from user buffer
void copyin(Ctx& ctx, Type type, SQLPOINTER buf, SQLINTEGER length);
// copy out to user buffer
void copyout(Ctx& ctx, SQLPOINTER buf, SQLINTEGER length, SQLINTEGER* total, SQLSMALLINT* total2 = 0);
// logging
void print(char* buf, unsigned size) const;
private:
OdbcData& operator=(const OdbcData& odbcData); // disallowed
Type m_type;
union {
SQLSMALLINT m_smallint;
SQLUSMALLINT m_usmallint;
SQLINTEGER m_integer;
SQLUINTEGER m_uinteger;
SQLPOINTER m_pointer;
SQLSMALLINT* m_smallintPtr;
SQLUSMALLINT* m_usmallintPtr;
SQLINTEGER* m_integerPtr;
SQLUINTEGER* m_uintegerPtr;
SQLPOINTER* m_pointerPtr;
char* m_sqlchar;
const ::Sqlstate* m_sqlstate;
};
};
inline OdbcData::Type
OdbcData::type() const
{
return m_type;
}
inline
OdbcData::OdbcData(SQLSMALLINT smallint) :
m_type(Smallint),
m_smallint(smallint)
{
}
inline
OdbcData::OdbcData(SQLUSMALLINT usmallint) :
m_type(Usmallint),
m_usmallint(usmallint)
{
}
inline
OdbcData::OdbcData(SQLINTEGER integer) :
m_type(Integer),
m_integer(integer)
{
}
inline
OdbcData::OdbcData(SQLUINTEGER uinteger) :
m_type(Uinteger),
m_uinteger(uinteger)
{
}
inline
OdbcData::OdbcData(SQLPOINTER pointer) :
m_type(Pointer),
m_pointer(pointer)
{
}
inline
OdbcData::OdbcData(SQLSMALLINT* smallintPtr) :
m_type(SmallintPtr),
m_smallintPtr(smallintPtr)
{
}
inline
OdbcData::OdbcData(SQLUSMALLINT* usmallintPtr) :
m_type(UsmallintPtr),
m_usmallintPtr(usmallintPtr)
{
}
inline
OdbcData::OdbcData(SQLINTEGER* integerPtr) :
m_type(IntegerPtr),
m_integerPtr(integerPtr)
{
}
inline
OdbcData::OdbcData(SQLUINTEGER* uintegerPtr) :
m_type(UintegerPtr),
m_uintegerPtr(uintegerPtr)
{
}
inline
OdbcData::OdbcData(SQLPOINTER* pointerPtr) :
m_type(PointerPtr),
m_pointerPtr(pointerPtr)
{
}
inline
OdbcData::OdbcData(const char* sqlchar) :
m_type(Sqlchar)
{
unsigned n = strlen(sqlchar);
m_sqlchar = new char[n + 1];
strcpy(m_sqlchar, sqlchar);
}
inline
OdbcData::OdbcData(const ::Sqlstate& sqlstate) :
m_type(Sqlstate),
m_sqlstate(&sqlstate)
{
}
// get value
inline SQLSMALLINT
OdbcData::smallint() const
{
ctx_assert(m_type == Smallint);
return m_smallint;
}
inline SQLUSMALLINT
OdbcData::usmallint() const
{
ctx_assert(m_type == Usmallint);
return m_usmallint;
}
inline SQLINTEGER
OdbcData::integer() const
{
ctx_assert(m_type == Integer);
return m_integer;
}
inline SQLUINTEGER
OdbcData::uinteger() const
{
ctx_assert(m_type == Uinteger);
return m_uinteger;
}
inline SQLPOINTER
OdbcData::pointer() const
{
ctx_assert(m_type == Pointer);
return m_pointer;
}
inline SQLSMALLINT*
OdbcData::smallintPtr() const
{
ctx_assert(m_type == SmallintPtr);
return m_smallintPtr;
}
inline SQLUSMALLINT*
OdbcData::usmallintPtr() const
{
ctx_assert(m_type == UsmallintPtr);
return m_usmallintPtr;
}
inline SQLINTEGER*
OdbcData::integerPtr() const
{
ctx_assert(m_type == IntegerPtr);
return m_integerPtr;
}
inline SQLUINTEGER*
OdbcData::uintegerPtr() const
{
ctx_assert(m_type == UintegerPtr);
return m_uintegerPtr;
}
inline SQLPOINTER*
OdbcData::pointerPtr() const
{
ctx_assert(m_type == PointerPtr);
return m_pointerPtr;
}
inline const char*
OdbcData::sqlchar() const
{
ctx_assert(m_type == Sqlchar);
return m_sqlchar;
}
inline const ::Sqlstate&
OdbcData::sqlstate() const
{
ctx_assert(m_type == Sqlstate);
return *m_sqlstate;
}
#endif
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