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/*
* This file is part of rasdaman community.
*
* Rasdaman community 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 3 of the License, or
* (at your option) any later version.
*
* Rasdaman community 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 rasdaman community. If not, see <http://www.gnu.org/licenses/>.
*
* Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009 Peter Baumann /
rasdaman GmbH.
*
* For more information please see <http://www.rasdaman.org>
* or contact Peter Baumann via <baumann@rasdaman.com>.
*/
/*************************************************************
*
*
* PURPOSE:
*
*
* COMMENTS:
*
************************************************************/
static const char rcsid[] = "@(#)qlparser, QtOperation: $Id: qtoperation.cc,v 1.17 2002/06/05 18:18:17 coman Exp $";
#include "qlparser/qtoperation.hh"
#include <iostream>
const QtNode::QtNodeType QtOperation::nodeType = QtNode::QT_OPERATION;
QtOperation::QtOperation()
: QtNode()
{
}
QtOperation::QtOperation( QtNode* node )
: QtNode( node )
{
}
QtOperation*
QtOperation::getUniqueOrder( const QtNode::QtNodeType )
{
// default method;
return this;
}
QtData*
QtOperation::evaluate( QtDataList* /*inputList*/ )
{
RMInit::logOut << "Error: Method evaluate(...) is undefined for a node in the query tree." << std::endl;
return NULL;
}
void
QtOperation::optimizeLoad( QtTrimList* trimList )
{
if( trimList )
{
std::vector<QtNode::QtTrimElement*>::iterator iter;
for( iter=trimList->begin(); iter!=trimList->end(); iter++ )
{
delete *iter;
*iter=NULL;
}
delete trimList;
trimList=NULL;
}
RMInit::logOut << "Error: Method optimizeLoad(...) is undefined for a QtOperation node in the query tree." << std::endl;
}
const QtTypeElement&
QtOperation::checkType( QtTypeTuple* typeTuple )
{
RMDBCLASS( "QtOperation", "checkType( QtTypeElement, QtTypeTuple* )", "qlparser", __FILE__, __LINE__ )
dataStreamType.setDataType( QT_TYPE_UNKNOWN );
return dataStreamType;
}
void
QtOperation::printTree( int tab, std::ostream& s, QtChildType mode )
{
s << SPACE_STR(tab).c_str() << "QtOperation Object: type " << std::flush;
dataStreamType.printStatus( s );
s << std::endl;
if( mode != QtNode::QT_DIRECT_CHILDS )
{
s << SPACE_STR(tab).c_str() << "no operation" << std::endl;
}
}
void
QtOperation::printAlgebraicExpression( std::ostream& s )
{
s << "op<";
s << "no ops";
s << ">";
}
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