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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, QtCommand: $Header: /home/rasdev/CVS-repository/rasdaman/qlparser/qtcommand.cc,v 1.21 2005/09/03 20:17:55 rasdev Exp $";
#include "qlparser/qtcommand.hh"
#include "mddmgr/mddcoll.hh"
#include "catalogmgr/typefactory.hh"
#include "reladminif/databaseif.hh"
#include "relcatalogif/settype.hh"
#include "servercomm/servercomm.hh"
#include <iostream>
extern ServerComm::ClientTblElt* currentClientTblElt;
const QtNode::QtNodeType QtCommand::nodeType = QtNode::QT_COMMAND;
QtCommand::QtCommand( QtCommandType initCommand, const std::string& initCollection, const std::string& initType )
: QtExecute(),
command( initCommand ),
collectionName( initCollection ),
typeName( initType )
{
}
QtCommand::QtCommand( QtCommandType initCommand, const std::string& initCollection )
: QtExecute(),
command( initCommand ),
collectionName( initCollection )
{
}
int
QtCommand::evaluate()
{
RMDBGENTER(2, RMDebug::module_qlparser, "QtCommand", "evaluate()")
switch( command )
{
case QT_DROP_COLLECTION:
if( currentClientTblElt )
if (!MDDColl::dropMDDCollection(collectionName.c_str()))
{
RMInit::logOut << "Error during query evaluation: collection name not found: " << collectionName.c_str() << std::endl;
parseInfo.setErrorNo(957);
throw parseInfo;
}
break;
case QT_CREATE_COLLECTION:
if( currentClientTblElt )
{
// get collection type
CollectionType* collType = (CollectionType*)TypeFactory::mapSetType( (char*)typeName.c_str() );
if( collType )
{
// allocate a new oid within the current db
OId oid;
#ifdef BASEDB_O2
if( !OId::allocateMDDCollOId( &oid ) )
{
#else
OId::allocateOId(oid, OId::MDDCOLLOID);
#endif
try
{
MDDColl* coll = MDDColl::createMDDCollection(collectionName.c_str(), oid, collType);
delete coll;
coll=NULL;
}
catch( r_Error& obj )
{
RMInit::logOut << "Error during query evaluation: collection name exists already: " << collectionName.c_str() << std::endl;
if (obj.get_kind() != r_Error::r_Error_NameNotUnique)
RMInit::logOut << "Exception: " << obj.what() << std::endl;;
parseInfo.setErrorNo(955);
throw parseInfo;
}
#ifdef BASEDB_O2
}
else
{
RMInit::logOut << "Error: QtCommand::evaluate() - oid allocation failed" << std::endl;
parseInfo.setErrorNo(958);
throw parseInfo;
}
#endif
}
else
{
RMInit::logOut << "Error during query evaluation: collection type not found: " << (char*)typeName.c_str() << std::endl;
parseInfo.setErrorNo(956);
throw parseInfo;
}
break;
}
}
RMDBGEXIT(2, RMDebug::module_qlparser, "QtCommand", "evaluate()")
return 0;
}
void
QtCommand::printTree( int tab, std::ostream& s, QtChildType mode )
{
s << SPACE_STR(tab).c_str() << "QtCommand Object" << std::endl;
switch( command )
{
case QT_DROP_COLLECTION: s << SPACE_STR(tab).c_str() << " drop collection(" << collectionName.c_str() << ")"; break;
case QT_CREATE_COLLECTION: s << SPACE_STR(tab).c_str() << " create collection(" << collectionName.c_str() << ", " << typeName.c_str() <<")"; break;
default: s << "<command unknown>";
}
s << std::endl;
}
void
QtCommand::printAlgebraicExpression( std::ostream& s )
{
s << "command<";
switch( command )
{
case QT_DROP_COLLECTION: s << "drop collection(" << collectionName.c_str() << ")"; break;
case QT_CREATE_COLLECTION: s << "create collection(" << collectionName.c_str() << ", " << typeName.c_str() <<")"; break;
default: s << "unknown";
}
s << ">";
}
void
QtCommand::checkType()
{
// nothing to do here
}
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