data_colum.cpp.svn-base

来自「自己写的」· SVN-BASE 代码 · 共 68 行

/*  Copy Left/Right : OTHER ,Amfproject                                     *
 *                                                                          *
 *     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; version 2 of the License.                 *
 *                                                                          *
 *  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*
 ****************************************************************************
 * Project:    LibKDD0
 * Programmer: lucy
 * Created On: Jan 17, 2009
 ****************************************************************************/
/*-- Compiler Controls -----------------------------------------------------*/

/*-- Includes --------------------------------------------------------------*/

/*-- Namespace Controller --------------------------------------------------*/
#include <datafarm/data_column.hpp>
/*-- External function prototypes ------------------------------------------*/

/*-- Local function prototypes ---------------------------------------------*/
namespace kdd
{

/*--------------------------------------------------------------------------*/

data_column::data_column(dbioservice &ios,std::string const & datafarm, std::string const& colum, unsigned int status)
:qur(ios),itsStat(status)
{
	std::string res_str("select ");
	res_str.append(colum);
	res_str.append(" from ");
	res_str.append(datafarm);
	qur.processQuery(res_str);
	if(!qur.getResult().empty())
	{
		colType=qur.getResult().field_type(0);
	}
}



bool data_column::isKey() const
{
	return itsStat & 1;
}

bool data_column::isPeridictable() const
{
	return itsStat & 2;
}

bool data_column::isEvent() const
{
	return itsStat & 4;
}

/*-- Namespace Ender -------------------------------------------------------*/
}
/*--------------------------------------------------------------------------*/