1 files changed, 126 insertions, 0 deletions
diff --git a/qlparser/qtoperation.cc b/qlparser/qtoperation.cc
new file mode 100644
index 0000000..23bf378
--- /dev/null
+++ b/qlparser/qtoperation.cc
@@ -0,0 +1,126 @@
+/*
+* 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 << ">";
+}