parameter.cpp

很好用的网络封装库,不熟悉网络编程的人也可以使用。使用风格良好的标准c++编写。

//
// Parameter.cpp
//
// $Id: //poco/1.3/Data/ODBC/src/Parameter.cpp#2 $
//
// Library: ODBC
// Package: ODBC
// Module:  Parameter
//
// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
// 
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//


#include "Poco/Data/ODBC/Parameter.h"
#include "Poco/Data/ODBC/Utility.h"
#include "Poco/Data/ODBC/Error.h"
#include "Poco/Data/ODBC/ODBCException.h"


namespace Poco {
namespace Data {
namespace ODBC {


Parameter::Parameter(const StatementHandle& rStmt, std::size_t colNum) : 
	_rStmt(rStmt), 
	_number(colNum)
{
	init();
}

	
Parameter::~Parameter()
{
}


void Parameter::init()
{
	if (Utility::isError(SQLDescribeParam(_rStmt, 
		(SQLUSMALLINT) _number, 
		&_dataType,
		&_columnSize,
		&_decimalDigits,
		&_isNullable)))
	{
		throw StatementException(_rStmt);
	}
}


} } } // namespace Poco::Data::ODBC