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#86483# use of index for query and columnchecking

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Ocke Janssen 2001-05-07 09:46:53 +00:00
parent b659fb97ff
commit be284f6bc1
2 changed files with 280 additions and 0 deletions
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173
connectivity/source/drivers/dbase/DCode.cxx Normal file
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/*************************************************************************
*
* $RCSfile: DCode.cxx,v $
*
* $Revision: 1.1 $
*
* last change: $Author: oj $ $Date: 2001-05-07 10:46:53 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (the License); You may not use this file
* except in compliance with the License. You may obtain a copy of the
* License at http://www.openoffice.org/license.html.
*
* Software provided under this License is provided on an AS IS basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#ifndef CONNECTIVITY_DBASE_DCODE_HXX
#include "dbase/DCode.hxx"
#endif
#ifndef _COM_SUN_STAR_SDBCX_XCOLUMNSSUPPLIER_HPP_
#include <com/sun/star/sdbcx/XColumnsSupplier.hpp>
#endif
#ifndef _CONNECTIVITY_DBASE_INDEX_HXX_
#include "dbase/DIndex.hxx"
#endif
#ifndef _CONNECTIVITY_DBASE_INDEXITER_HXX_
#include "dbase/DIndexIter.hxx"
#endif
#define CONNECTIVITY_PROPERTY_NAME_SPACE dbase
#ifndef _CONNECTIVITY_PROPERTYIDS_HXX_
#include "propertyids.hxx"
#endif
using namespace connectivity::dbase;
using namespace connectivity::file;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::beans;
using namespace ::com::sun::star::sdbcx;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::container;
TYPEINIT1(OFILEOperandAttr, OOperandAttr);
// -----------------------------------------------------------------------------
OOperandAttr* OFILEAnalyzer::createOperandAttr(sal_Int32 _nPos,
const Reference< XPropertySet>& _xCol,
const Reference< XNameAccess>& _xIndexes)
{
return new OFILEOperandAttr(_nPos,_xCol,_xIndexes);
}
//------------------------------------------------------------------
OFILEOperandAttr::OFILEOperandAttr(sal_uInt16 _nPos,
const Reference< XPropertySet>& _xColumn,
const Reference< XNameAccess>& _xIndexes)
: OOperandAttr(_nPos,_xColumn)
{
if(_xIndexes.is())
{
::rtl::OUString sName;
Reference<XPropertySetInfo> xColInfo = _xColumn->getPropertySetInfo();
Reference<XPropertySet> xIndex;
Sequence< ::rtl::OUString> aSeq = _xIndexes->getElementNames();
const ::rtl::OUString* pBegin = aSeq.getConstArray();
const ::rtl::OUString* pEnd = pBegin + aSeq.getLength();
for(;pBegin != pEnd;++pBegin)
{
_xIndexes->getByName(*pBegin) >>= xIndex;
if(xIndex.is())
{
Reference<XColumnsSupplier> xColsSup(xIndex,UNO_QUERY);
Reference<XNameAccess> xNameAccess = xColsSup->getColumns();
_xColumn->getPropertyValue(PROPERTY_NAME) >>= sName;
if(xNameAccess->hasByName(sName))
{
m_xIndex = xIndex;
break;
}
else if(xColInfo->hasPropertyByName(PROPERTY_REALNAME))
{
_xColumn->getPropertyValue(PROPERTY_REALNAME) >>= sName;
if(xNameAccess->hasByName(sName))
{
m_xIndex = xIndex;
break;
}
}
}
}
}
}
// -------------------------------------------------------------------------
sal_Bool OFILEOperandAttr::isIndexed() const
{
return m_xIndex.is();
}
//------------------------------------------------------------------
OEvaluateSet* OFILEOperandAttr::preProcess(OBoolOperator* pOp, OOperand* pRight)
{
OEvaluateSet* pEvaluateSet = NULL;
if (isIndexed())
{
Reference<XUnoTunnel> xTunnel(m_xIndex,UNO_QUERY);
if(xTunnel.is())
{
ODbaseIndex* pIndex = (ODbaseIndex*)xTunnel->getSomething(ODbaseIndex::getUnoTunnelImplementationId());
if(pIndex)
{
OIndexIterator* pIter = pIndex->createIterator(pOp,pRight);
if (pIter)
{
pEvaluateSet = new OEvaluateSet();
ULONG nRec = pIter->First();
while (nRec != NODE_NOTFOUND)
{
(*pEvaluateSet)[nRec] = nRec;
nRec = pIter->Next();
}
}
delete pIter;
}
}
}
return pEvaluateSet;
}

107
connectivity/source/inc/dbase/DCode.hxx Normal file
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/*************************************************************************
*
* $RCSfile: DCode.hxx,v $
*
* $Revision: 1.1 $
*
* last change: $Author: oj $ $Date: 2001-05-07 10:46:47 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (the License); You may not use this file
* except in compliance with the License. You may obtain a copy of the
* License at http://www.openoffice.org/license.html.
*
* Software provided under this License is provided on an AS IS basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#ifndef CONNECTIVITY_DBASE_DCODE_HXX
#define CONNECTIVITY_DBASE_DCODE_HXX
#ifndef _CONNECTIVITY_FILE_FANALYZER_HXX_
#include "file/fanalyzer.hxx"
#endif
#ifndef _COM_SUN_STAR_CONTAINER_XINDEXACCESS_HPP_
#include <com/sun/star/container/XIndexAccess.hpp>
#endif
#ifndef _COM_SUN_STAR_BEANS_XPROPERTYSET_HPP_
#include <com/sun/star/beans/XPropertySet.hpp>
#endif
#ifndef _CONNECTIVITY_FILE_FCODE_HXX_
#include "file/fcode.hxx"
#endif
namespace connectivity
{
namespace dbase
{
class OFILEAnalyzer : public file::OSQLAnalyzer
{
public:
OFILEAnalyzer() : file::OSQLAnalyzer(){}
virtual file::OOperandAttr* createOperandAttr(sal_Int32 _nPos,
const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet>& _xCol,
const ::com::sun::star::uno::Reference< ::com::sun::star::container::XNameAccess>& _xIndexes=NULL);
};
// Attribute aus einer Ergebniszeile
class OFILEOperandAttr : public file::OOperandAttr
{
::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet> m_xIndex;
public:
OFILEOperandAttr(sal_uInt16 _nPos,
const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet>& _xColumn,
const ::com::sun::star::uno::Reference< ::com::sun::star::container::XNameAccess>& _xIndexes=NULL);
virtual sal_Bool isIndexed() const;
virtual file::OEvaluateSet* preProcess(file::OBoolOperator* pOp, file::OOperand* pRight = 0);
TYPEINFO();
};
}
}
#endif // CONNECTIVITY_DBASE_DCODE_HXX