ODBCField.cpp

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#include <dcl/Config.h>
 
#ifdef _MSC_VER
#include <windows.h>
#endif
#include <sql.h>
#include <sqlext.h>
#include <msodbcsql.h>
 
#include <dcl/Object.h>
#if __DCL_HAVE_ALLOC_DEBUG
#undef __DCL_ALLOC_LEVEL
#define __DCL_ALLOC_LEVEL   __DCL_ALLOC_INTERNAL
#endif
 
#include <dcl/size_t.h>
#include <dcl/SQLCore.h>
#include <dcl/OutputStream.h>
#include <dcl/Charset.h>
 
#include "ODBCConnection.h"
#include "ODBCQuery.h"
#include "ODBCData.h"
#include "ODBCField.h"
 
#define __TRACE_THIS    0
#if __TRACE_THIS
#define __DCL_TRACE0_N  __DCL_TRACE0
#define __DCL_TRACE1_N  __DCL_TRACE1
#define __DCL_TRACE2_N  __DCL_TRACE2
#define __DCL_TRACE3_N  __DCL_TRACE3
#define __DCL_TRACE4_N  __DCL_TRACE4
#else
#define __DCL_TRACE0_N(fmt)
#define __DCL_TRACE1_N(fmt, arg)
#define __DCL_TRACE2_N(fmt, arg1, arg2)
#define __DCL_TRACE3_N(fmt, arg1, arg2, arg3)
#define __DCL_TRACE4_N(fmt, arg1, arg2, arg3, arg4)
#endif
 
#undef __THIS_FILE__
static const char_t __THIS_FILE__[] = __T("dcl/sql/ODBCField.cpp");
 
__DCL_BEGIN_NAMESPACE
 
#define __SET_ERROR(_error) \
    connection()->setErrorStatus(_error, __THIS_FILE__, __LINE__)
#define __SET_ERROR_MSG(_msg) \
    conn()->setErrorMessage(_msg, __THIS_FILE__, __LINE__)
#define __SET_ERROR_HANDLE(_rc, _htype, _handle) \
    conn()->setErrorHandle(_rc, _htype, _handle, __THIS_FILE__, __LINE__)
 
IMPLEMENT_CLASSINFO(ODBCField, SQL::Field)
 
ODBCField::ODBCField()
    : Field(NULL)
{
}
 
ODBCField::~ODBCField()
{
    // __DCL_TRACE1_N(L"~ODBCField [%ls]\n", Field::__name.data());
}
 
ODBCQuery* ODBCField::query() const
{
    return (ODBCQuery*)Field::__queryHandle;
}
 
bool ODBCField::init(SQL::Query* _queryHandle, BIND* _bind, const String& _name)
{
    __DCL_ASSERT(_queryHandle != NULL);
    Field::__queryHandle = _queryHandle;
    Field::__name = _name;
    Field::__precision = _bind->precision;
    Field::__scale = _bind->scale;
    Field::__dataType = ODBCData::init(_bind);
 
    if (Field::__dataType == SQL::typeUnknown) {
        __SET_ERROR(SQL::eNotSupportDataType);
        return false;
    }
    return true;
}
 
const wchar_t* ODBCField::serverDataTypeName() const
{
    return ODBCData::serverDataTypeName();
}
 
bool ODBCField::__getDataSize(size_t* _size, bool _maxsize) 
{
    return ODBCData::__getDataSize(_size, _maxsize);
}
 
#define __TYPE_IS(_type)    (__bind->type == _type)
 
bool ODBCField::__getData(
    void*           _buf,
    size_t*         _size,
    SQL::DataType  _bufType
)
{
    return ODBCData::__getData(_buf, _size, _bufType);
}
 
__DCL_END_NAMESPACE