#86483# use of index for query and columnchecking

1 files changed, 173 insertions, 0 deletions

diff --git a/connectivity/source/drivers/dbase/DCode.cxx b/connectivity/source/drivers/dbase/DCode.cxx
new file mode 100644
index 000000000000..40e172353668
--- /dev/null
+++ b/connectivity/source/drivers/dbase/DCode.cxx
@@ -0,0 +1,173 @@
+/*************************************************************************
+ *
+ *  $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;
+}
+
+