office-gobmx/dbaccess/source/core/api/querycomposer.cxx
2000-09-29 14:23:36 +00:00

826 lines
30 KiB
C++

/*************************************************************************
*
* $RCSfile: querycomposer.cxx,v $
*
* $Revision: 1.2 $
*
* last change: $Author: oj $ $Date: 2000-09-29 15:20:52 $
*
* 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_COMMONTOOLS_HXX_
#include "querycomposer.hxx"
#endif
#ifndef _COM_SUN_STAR_LANG_DISPOSEDEXCEPTION_HPP_
#include <com/sun/star/lang/DisposedException.hpp>
#endif
#ifndef _COM_SUN_STAR_UTIL_XNUMBERFORMATTER_HPP_
#include <com/sun/star/util/XNumberFormatter.hpp>
#endif
#ifndef _COM_SUN_STAR_SDBC_COLUMNSEARCH_HPP_
#include <com/sun/star/sdbc/ColumnSearch.hpp>
#endif
#ifndef _COM_SUN_STAR_SDBC_DATATYPE_HPP_
#include <com/sun/star/sdbc/DataType.hpp>
#endif
//#ifndef _COM_SUN_STAR_REGISTRY_XSIMPLEREGISTRY_HPP_
//#include <com/sun/star/registry/XSimpleRegistry.hpp>
//#endif
//#ifndef _COM_SUN_STAR_REGISTRY_XREGISTRYKEY_HPP_
//#include <com/sun/star/registry/XRegistryKey.hpp>
//#endif
#ifndef _UTL_SEQUENCE_HXX_
#include <unotools/sequence.hxx>
#endif
#ifndef _UNOTOOLS_PROCESSFACTORY_HXX_
#include <unotools/processfactory.hxx>
#endif
#ifndef _DBASHARED_STRINGCONSTANTS_HRC_
#include "stringconstants.hrc"
#endif
#ifndef _CPPUHELPER_TYPEPROVIDER_HXX_
#include <cppuhelper/typeprovider.hxx>
#endif
#ifndef _UTL_CONFIGMGR_HXX_
#include <unotools/configmgr.hxx>
#endif
#ifndef _ISOLANG_HXX
#include <tools/isolang.hxx>
#endif
using namespace dbaccess;
using namespace connectivity;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::beans;
using namespace ::com::sun::star::sdbc;
using namespace ::com::sun::star::sdb;
using namespace ::com::sun::star::sdbcx;
using namespace ::com::sun::star::container;
using namespace ::com::sun::star::lang;
using namespace ::cppu;
using namespace ::osl;
using namespace ::utl;
// using namespace ::com::sun::star::registry;
#define STR_SELECT String::CreateFromAscii("SELECT ")
#define STR_FROM String::CreateFromAscii(" FROM ")
#define STR_WHERE String::CreateFromAscii(" WHERE ")
#define STR_ORDER_BY String::CreateFromAscii(" ORDER BY ")
#define STR_AND String::CreateFromAscii(" AND ")
#define STR_LIKE String::CreateFromAscii(" LIKE ")
#define STR_EQUAL String::CreateFromAscii(" = ")
#define L_BRACKET '('
#define R_BRACKET ')'
#define COMMA ','
DBG_NAME(OQueryComposer)
// -------------------------------------------------------------------------
OQueryComposer::OQueryComposer(const Reference< XNameAccess>& _xTableSupplier,
const Reference< XConnection>& _xConnection,
const Reference< XMultiServiceFactory >& _xServiceFactory)
: OSubComponent(m_aMutex,_xConnection)
, m_xConnection(_xConnection)
, m_pSqlParseNode(NULL)
, m_aSqlIterator(_xTableSupplier,_xConnection->getMetaData(),NULL)
, m_xTableSupplier(_xTableSupplier)
, m_xServiceFactory(_xServiceFactory)
{
DBG_CTOR(OQueryComposer,NULL);
OSL_ENSHURE(_xServiceFactory.is()," ServiceFactory cant be null!");
OSL_ENSHURE(_xConnection.is()," Connection cant be null!");
OSL_ENSHURE(_xTableSupplier.is(),"TableSupplier cant be null!");
Any aValue = ConfigManager::GetDirectConfigProperty(ConfigManager::LOCALE);
LanguageType eLanguage = ConvertIsoStringToLanguage(utl::getString(aValue),'_');
m_aInternational = International( eLanguage );
}
// -------------------------------------------------------------------------
OQueryComposer::~OQueryComposer()
{
DBG_DTOR(OQueryComposer,NULL);
}
// -------------------------------------------------------------------------
// OComponentHelper
void SAL_CALL OQueryComposer::disposing(void)
{
OSubComponent::disposing();
MutexGuard aGuard(m_aMutex);
delete m_pSqlParseNode;
m_pSqlParseNode = NULL;
m_xTableSupplier = NULL;
m_xConnection = NULL;
m_xColumns = NULL;
m_xServiceFactory = NULL;
}
// -------------------------------------------------------------------------
// ::com::sun::star::lang::XTypeProvider
Sequence< Type > SAL_CALL OQueryComposer::getTypes() throw (RuntimeException)
{
return ::utl::concatSequences(OSubComponent::getTypes(),OQueryComposer_BASE::getTypes());
}
// -------------------------------------------------------------------------
Sequence< sal_Int8 > SAL_CALL OQueryComposer::getImplementationId() throw (RuntimeException)
{
static OImplementationId * pId = 0;
if (! pId)
{
MutexGuard aGuard( Mutex::getGlobalMutex() );
if (! pId)
{
static OImplementationId aId;
pId = &aId;
}
}
return pId->getImplementationId();
}
// -------------------------------------------------------------------------
// com::sun::star::lang::XUnoTunnel
sal_Int64 SAL_CALL OQueryComposer::getSomething( const Sequence< sal_Int8 >& rId ) throw(RuntimeException)
{
if (rId.getLength() == 16 && 0 == rtl_compareMemory(getImplementationId().getConstArray(), rId.getConstArray(), 16 ) )
return (sal_Int64)this;
return 0;
}
// -------------------------------------------------------------------------
Any SAL_CALL OQueryComposer::queryInterface( const Type & rType ) throw(RuntimeException)
{
Any aRet = OSubComponent::queryInterface(rType);
if(!aRet.hasValue())
aRet = OQueryComposer_BASE::queryInterface(rType);
return aRet;
}
// -------------------------------------------------------------------------
// XServiceInfo
//------------------------------------------------------------------------------
rtl::OUString OQueryComposer::getImplementationName( ) throw(RuntimeException)
{
return rtl::OUString::createFromAscii("com.sun.star.sdb.dbaccess.OQueryComposer");
}
//------------------------------------------------------------------------------
sal_Bool OQueryComposer::supportsService( const ::rtl::OUString& _rServiceName ) throw (RuntimeException)
{
return ::utl::findValue(getSupportedServiceNames(), _rServiceName, sal_True).getLength() != 0;
}
//------------------------------------------------------------------------------
Sequence< ::rtl::OUString > OQueryComposer::getSupportedServiceNames( ) throw (RuntimeException)
{
Sequence< rtl::OUString > aSNS( 1 );
aSNS[0] = SERVICE_SDB_SQLQUERYCOMPOSER;
return aSNS;
}
// -------------------------------------------------------------------------
// XSQLQueryComposer
::rtl::OUString SAL_CALL OQueryComposer::getQuery( ) throw(RuntimeException)
{
if (OSubComponent::rBHelper.bDisposed)
throw DisposedException();
return m_aQuery;
}
// -------------------------------------------------------------------------
void SAL_CALL OQueryComposer::setQuery( const ::rtl::OUString& command ) throw(SQLException, RuntimeException)
{
if (OSubComponent::rBHelper.bDisposed)
throw DisposedException();
::osl::MutexGuard aGuard( m_aMutex );
m_aQuery = command;
delete m_pSqlParseNode;
String aErrorMsg;
m_pSqlParseNode = m_aSqlParser.parseTree(aErrorMsg,m_aQuery);
if(!m_pSqlParseNode)
throw SQLException();
m_aSqlIterator.setParseTree(m_pSqlParseNode);
m_aSqlIterator.traverseAll();
if( m_aSqlIterator.getStatementType() != SQL_STATEMENT_SELECT && m_aSqlIterator.getStatementType() != SQL_STATEMENT_SELECT_COUNT)
throw SQLException();
m_aWorkSql = STR_SELECT;
m_pSqlParseNode->getChild(1)->parseNodeToStr(m_aWorkSql,m_xConnection->getMetaData());
m_pSqlParseNode->getChild(2)->parseNodeToStr(m_aWorkSql,m_xConnection->getMetaData());
m_aWorkSql += STR_FROM;
m_pSqlParseNode->getChild(3)->getChild(0)->getChild(1)->parseNodeToStr(m_aWorkSql,m_xConnection->getMetaData());
m_aFilter = m_aOrgFilter = m_aOrgOrder = m_aOrder = ::rtl::OUString();
const OSQLParseNode* pWhereNode = m_aSqlIterator.getWhereTree();
if(pWhereNode)
pWhereNode->getChild(1)->parseNodeToStr(m_aOrgFilter,m_xConnection->getMetaData());
const OSQLParseNode* pOrderNode = m_aSqlIterator.getOrderTree();
if(pOrderNode) // parse without "ORDER BY"
pOrderNode->getChild(2)->parseNodeToStr(m_aOrgOrder,m_xConnection->getMetaData());
m_xColumns = m_aSqlIterator.getSelectAsNameAccess(*this,m_aMutex);
}
// -------------------------------------------------------------------------
::rtl::OUString SAL_CALL OQueryComposer::getComposedQuery( ) throw(RuntimeException)
{
if (OSubComponent::rBHelper.bDisposed)
throw DisposedException();
MutexGuard aGuard(m_aMutex);
if (m_pSqlParseNode)
{
String aResult;
m_pSqlParseNode->parseNodeToStr(aResult,m_xConnection->getMetaData());
return aResult;
}
else
return getQuery();
}
// -------------------------------------------------------------------------
::rtl::OUString SAL_CALL OQueryComposer::getFilter( ) throw(RuntimeException)
{
if (OSubComponent::rBHelper.bDisposed)
throw DisposedException();
return m_aFilter;
}
// -------------------------------------------------------------------------
Sequence< Sequence< PropertyValue > > SAL_CALL OQueryComposer::getStructuredFilter( ) throw(RuntimeException)
{
if (OSubComponent::rBHelper.bDisposed)
throw DisposedException();
MutexGuard aGuard(m_aMutex);
Sequence< Sequence< PropertyValue > > aFilterSeq;
if (m_aFilter.Len() != 0)
{
String aSql(m_aWorkSql);
// build a temporary parse node
OSQLParseNode* pTempNode = m_pSqlParseNode;
aSql += STR_WHERE;
aSql += m_aFilter;
// THIS->resetIterator(aSql);
String aErrorMsg;
m_pSqlParseNode = m_aSqlParser.parseTree(aErrorMsg,aSql);
m_aSqlIterator.setParseTree(m_pSqlParseNode);
if (m_pSqlParseNode)
{
// normalize the filter
OSQLParseNode* pWhereNode = m_pSqlParseNode->getChild(3)->getChild(1);
OSQLParseNode* pCondition = pWhereNode->getChild(1);
OSQLParseNode::negateSearchCondition(pCondition);
pCondition = pWhereNode->getChild(1);
OSQLParseNode::disjunctiveNormalForm(pCondition);
pCondition = pWhereNode->getChild(1);
OSQLParseNode::absorptions(pCondition);
pCondition = pWhereNode->getChild(1);
if (pCondition)
{
::std::vector< ::std::vector < PropertyValue > > aFilters;
Reference< ::com::sun::star::util::XNumberFormatter > xFormatter(utl::getProcessServiceFactory()
->createInstance(rtl::OUString::createFromAscii("com.sun.star.util.NumberFormatter")), UNO_QUERY);
xFormatter->attachNumberFormatsSupplier(m_xNumberFormatsSupplier);
if (setORCriteria(pCondition, aFilters, xFormatter))
{
aFilterSeq.realloc(aFilters.size());
Sequence<PropertyValue>* pFilters = aFilterSeq.getArray();
for (::std::vector< ::std::vector < PropertyValue > >::const_iterator i = aFilters.begin();
i != aFilters.end();
i++)
{
const ::std::vector < PropertyValue >& rProperties = *i;
pFilters->realloc(rProperties.size());
PropertyValue* pFilter = pFilters->getArray();
for (::std::vector < PropertyValue >::const_iterator j = rProperties.begin();
j != rProperties.end();
++j)
{
*pFilter = *j;
pFilter++;
}
pFilters++;
}
}
}
delete m_pSqlParseNode;
}
// restore
m_pSqlParseNode = pTempNode;
m_aSqlIterator.setParseTree(m_pSqlParseNode);
}
return aFilterSeq;
}
// -------------------------------------------------------------------------
::rtl::OUString SAL_CALL OQueryComposer::getOrder( ) throw(RuntimeException)
{
if (OSubComponent::rBHelper.bDisposed)
throw DisposedException();
return m_aOrder;
}
// -------------------------------------------------------------------------
void SAL_CALL OQueryComposer::appendFilterByColumn( const Reference< XPropertySet >& column ) throw(SQLException, RuntimeException)
{
if (OSubComponent::rBHelper.bDisposed)
throw DisposedException();
if(!column.is() || !column->getPropertySetInfo()->hasPropertyByName(PROPERTY_VALUE))
throw SQLException();
sal_Int32 nSearchable = 0;
column->getPropertyValue(PROPERTY_ISSEARCHABLE) >>= nSearchable;
if(nSearchable == ColumnSearch::NONE)
throw SQLException();
::osl::MutexGuard aGuard( m_aMutex );
::rtl::OUString aName;
column->getPropertyValue(PROPERTY_NAME) >>= aName;
Any aValue;
column->getPropertyValue(PROPERTY_VALUE) >>= aValue;
String aSql = aName;
sal_Int32 nType = 0;
column->getPropertyValue(PROPERTY_NAME) >>= nType;
switch(nType)
{
case DataType::VARCHAR:
case DataType::CHAR:
case DataType::LONGVARCHAR:
aSql += STR_LIKE;
aSql += '\'';
aSql += toString(aValue).getStr();
aSql += '\'';
break;
case DataType::VARBINARY:
case DataType::BINARY:
case DataType::LONGVARBINARY:
{
Sequence<sal_Int8> aSeq;
if(aValue >>= aSeq)
{
if(nSearchable == ColumnSearch::CHAR)
{
aSql += STR_LIKE;
aSql += '\'';
}
else
aSql += STR_EQUAL;
aSql.AppendAscii("0x");
const sal_Int8* pBegin = aSeq.getConstArray();
const sal_Int8* pEnd = pBegin + aSeq.getLength();
for(;pBegin != pEnd;++pBegin)
{
aSql += ::rtl::OUString::valueOf((sal_Int32)*pBegin,16).getStr();
}
if(nSearchable == ColumnSearch::NONE)
aSql += '\'';
}
else
throw SQLException();
}
break;
default:
{
::rtl::OUString aValueStr(toString(aValue));
aSql += STR_EQUAL;
aSql += ' ';
aSql += aValueStr.getStr();
}
}
// filter anhaengen
// select ohne where und order by aufbauen
String aSql2(m_aWorkSql);
if ((m_aFilter.Len() != 0) && (aSql.Len() != 0))
{
String sTemp(L_BRACKET);
sTemp += m_aFilter;
sTemp += R_BRACKET;
sTemp += STR_AND;
m_aFilter = sTemp;
}
m_aFilter += aSql;
// add the filter and the sort order
aSql2 += getComposedFilter();
aSql2 += getComposedSort();
resetIterator(aSql2);
}
// -------------------------------------------------------------------------
void SAL_CALL OQueryComposer::appendOrderByColumn( const Reference< XPropertySet >& column, sal_Bool ascending ) throw(SQLException, RuntimeException)
{
if (OSubComponent::rBHelper.bDisposed)
throw DisposedException();
if(!column.is() || !column->getPropertySetInfo()->hasPropertyByName(PROPERTY_VALUE))
throw SQLException();
::osl::MutexGuard aGuard( m_aMutex );
::rtl::OUString aName;
column->getPropertyValue(PROPERTY_NAME) >>= aName;
if(!m_xConnection->getMetaData()->supportsOrderByUnrelated() && !m_xColumns->hasByName(aName))
throw SQLException();
// filter anhaengen
// select ohne where und order by aufbauen
String aSql(m_aWorkSql);
String aAppendOrder(aName);
if ((m_aOrder.Len() != 0) && aAppendOrder.Len())
m_aOrder += COMMA;
m_aOrder += aAppendOrder;
if(!ascending && aAppendOrder.Len())
m_aOrder.AppendAscii(" DESC ");
// add the filter and the sort order
aSql += getComposedFilter();
aSql += getComposedSort();
resetIterator(aSql);
}
// -------------------------------------------------------------------------
void SAL_CALL OQueryComposer::setFilter( const ::rtl::OUString& filter ) throw(SQLException, RuntimeException)
{
if (OSubComponent::rBHelper.bDisposed)
throw DisposedException();
::osl::MutexGuard aGuard( m_aMutex );
m_aFilter = filter;
String aSql(m_aWorkSql);
// add the filter and the sort order
aSql += getComposedFilter();
aSql += getComposedSort();
resetIterator(aSql);
}
// -------------------------------------------------------------------------
void SAL_CALL OQueryComposer::setOrder( const ::rtl::OUString& order ) throw(SQLException, RuntimeException)
{
if (OSubComponent::rBHelper.bDisposed)
throw DisposedException();
::osl::MutexGuard aGuard( m_aMutex );
m_aOrder = order;
String aSql(m_aWorkSql);
// add the filter and the sort order
aSql += getComposedFilter();
aSql += getGroupBy();
aSql += getComposedSort();
resetIterator(aSql);
}
// -------------------------------------------------------------------------
// XTablesSupplier
Reference< ::com::sun::star::container::XNameAccess > SAL_CALL OQueryComposer::getTables( ) throw(RuntimeException)
{
if (OSubComponent::rBHelper.bDisposed)
throw DisposedException();
::osl::MutexGuard aGuard( m_aMutex );
return m_aSqlIterator.getTablesAsNameAccess(*this,m_aMutex);
}
// -------------------------------------------------------------------------
// XColumnsSupplier
Reference< ::com::sun::star::container::XNameAccess > SAL_CALL OQueryComposer::getColumns( ) throw(RuntimeException)
{
if (OSubComponent::rBHelper.bDisposed)
throw DisposedException();
::osl::MutexGuard aGuard( m_aMutex );
return m_aSqlIterator.getSelectAsNameAccess(*this,m_aMutex);
}
// -------------------------------------------------------------------------
sal_Bool OQueryComposer::setORCriteria(OSQLParseNode* pCondition,
::std::vector< ::std::vector < PropertyValue > >& rFilters, const Reference< ::com::sun::star::util::XNumberFormatter > & xFormatter) const
{
// Runde Klammern um den Ausdruck
if (pCondition->count() == 3 &&
SQL_ISPUNCTUATION(pCondition->getChild(0),"(") &&
SQL_ISPUNCTUATION(pCondition->getChild(2),")"))
{
return setORCriteria(pCondition->getChild(1), rFilters, xFormatter);
}
// oder Verknuepfung
// a searchcondition can only look like this: search_condition SQL_TOKEN_OR boolean_term
else if (SQL_ISRULE(pCondition,search_condition))
{
sal_Bool bResult = sal_True;
for (int i = 0; bResult && i < 3; i+=2)
{
// Ist das erste Element wieder eine OR-Verknuepfung?
// Dann rekursiv absteigen ...
//if (!i && SQL_ISRULE(pCondition->getChild(i),search_condition))
if (SQL_ISRULE(pCondition->getChild(i),search_condition))
bResult = setORCriteria(pCondition->getChild(i), rFilters, xFormatter);
else
{
rFilters.push_back( ::std::vector < PropertyValue >());
bResult = setANDCriteria(pCondition->getChild(i), rFilters[rFilters.size() - 1], xFormatter);
}
}
return bResult;
}
else
{
rFilters.push_back(::std::vector < PropertyValue >());
return setANDCriteria(pCondition, rFilters[rFilters.size() - 1], xFormatter);
}
}
//--------------------------------------------------------------------------------------------------
sal_Bool OQueryComposer::setANDCriteria(OSQLParseNode * pCondition,
::std::vector < PropertyValue >& rFilter, const Reference< ::com::sun::star::util::XNumberFormatter > & xFormatter) const
{
// Runde Klammern
if (SQL_ISRULE(pCondition,boolean_primary))
{
// this should not occur
DBG_ERROR("Primary condition in And-Criteria");
return sal_False;
}
// Das erste Element ist (wieder) eine AND-Verknuepfung
else if ( SQL_ISRULE(pCondition,boolean_term) && pCondition->count() == 3 )
{
return setANDCriteria(pCondition->getChild(0), rFilter, xFormatter) &&
setANDCriteria(pCondition->getChild(2), rFilter, xFormatter);
}
else if (SQL_ISRULE(pCondition, comparison_predicate))
{
return setComparsionPredicate(pCondition,rFilter,xFormatter);
}
else if (SQL_ISRULE(pCondition,like_predicate) ||
SQL_ISRULE(pCondition,test_for_null) ||
SQL_ISRULE(pCondition,in_predicate) ||
SQL_ISRULE(pCondition,all_or_any_predicate) ||
SQL_ISRULE(pCondition,between_predicate))
{
if (SQL_ISRULE(pCondition->getChild(0), column_ref))
{
PropertyValue aItem;
String aValue;
String aColumnName;
pCondition->parseNodeToPredicateStr(aValue,m_xConnection->getMetaData(), xFormatter, m_aInternational);
pCondition->getChild(0)->parseNodeToPredicateStr(aColumnName,m_xConnection->getMetaData(), xFormatter, m_aInternational);
// don't display the column name
aValue.Erase(0, aColumnName.Len());
aValue.EraseLeadingChars();
aItem.Name = UniString(getColumnName(pCondition->getChild(0)));
rtl::OUString aStrValue = UniString(aValue);
aItem.Value <<= aStrValue;
rFilter.push_back(aItem);
}
else
return sal_False;
}
else if (SQL_ISRULE(pCondition,existence_test) ||
SQL_ISRULE(pCondition,unique_test))
{
// this couldn't be handled here, too complex
// as we need a field name
return sal_False;
}
else
return sal_False;
return sal_True;
}
//------------------------------------------------------------------------------
sal_Bool OQueryComposer::setComparsionPredicate(OSQLParseNode * pCondition,
::std::vector < PropertyValue >& rFilter, const Reference< ::com::sun::star::util::XNumberFormatter > & xFormatter) const
{
DBG_ASSERT(SQL_ISRULE(pCondition, comparison_predicate),"setComparsionPredicate: pCondition ist kein ComparsionPredicate");
if (SQL_ISRULE(pCondition->getChild(0), column_ref) ||
SQL_ISRULE(pCondition->getChild(pCondition->count()-1), column_ref))
{
PropertyValue aItem;
String aValue;
sal_uInt16 nPos;
if (SQL_ISRULE(pCondition->getChild(0), column_ref))
{
nPos = 0;
sal_Int16 i=1;
// don't display the equal
if (pCondition->getChild(i)->getNodeType() == SQL_NODE_EQUAL)
i++;
// go forward
for (;i < pCondition->count();i++)
pCondition->getChild(i)->parseNodeToPredicateStr(aValue,m_xConnection->getMetaData(), xFormatter, m_aInternational);
}
else if (SQL_ISRULE(pCondition->getChild(pCondition->count()-1), column_ref))
{
nPos = pCondition->count()-1;
sal_Int16 i = pCondition->count() - 2;
switch (pCondition->getChild(i)->getNodeType())
{
case SQL_NODE_EQUAL:
// don't display the equal
i--;
break;
case SQL_NODE_LESS:
// take the opposite as we change the order
i--;
aValue = '>';
break;
case SQL_NODE_LESSEQ:
// take the opposite as we change the order
i--;
aValue.AssignAscii(">=");
break;
case SQL_NODE_GREAT:
// take the opposite as we change the order
i--;
aValue = '<';
break;
case SQL_NODE_GREATEQ:
// take the opposite as we change the order
i--;
aValue.AssignAscii("<=");
break;
}
// go backward
for (; i >= 0; i--)
pCondition->getChild(i)->parseNodeToPredicateStr(aValue,m_xConnection->getMetaData(), xFormatter, m_aInternational);
}
else
return sal_False;
aItem.Name = UniString(getColumnName(pCondition->getChild(nPos)));
rtl::OUString aStrValue = UniString(aValue);
aItem.Value <<= aStrValue;
rFilter.push_back(aItem);
}
else if (SQL_ISRULE(pCondition->getChild(0), set_fct_spec ) ||
SQL_ISRULE(pCondition->getChild(0), general_set_fct))
{
PropertyValue aItem;
String aValue;
String aColumnName;
pCondition->parseNodeToPredicateStr(aValue,m_xConnection->getMetaData(), xFormatter, m_aInternational);
pCondition->getChild(0)->parseNodeToPredicateStr(aColumnName,m_xConnection->getMetaData(), xFormatter, m_aInternational);
// don't display the column name
aValue.Erase(0, aColumnName.Len());
aValue.EraseLeadingChars();
aItem.Name = UniString(getColumnName(pCondition->getChild(0)));
rtl::OUString aStrValue = UniString(aValue);
aItem.Value <<= aStrValue;
rFilter.push_back(aItem);
}
else // kann sich nur um einen Expr. Ausdruck handeln
{
PropertyValue aItem;
String aName, aValue;
OSQLParseNode *pLhs = pCondition->getChild(0);
OSQLParseNode *pRhs = pCondition->getChild(2);
// Feldnamen
sal_uInt16 i;
for (i=0;i< pLhs->count();i++)
pCondition->getChild(i)->parseNodeToPredicateStr(aName,m_xConnection->getMetaData(), xFormatter, m_aInternational);
// Kriterium
aValue = pCondition->getChild(1)->getTokenValue();
for(i=0;i< pRhs->count();i++)
pCondition->getChild(i)->parseNodeToPredicateStr(aValue,m_xConnection->getMetaData(), xFormatter, m_aInternational);
aItem.Name = aName;
rtl::OUString aStrValue = aValue;
aItem.Value <<= aStrValue;
rFilter.push_back(aItem);
}
return sal_True;
}
// functions for analysing SQL
//--------------------------------------------------------------------------------------------------
String OQueryComposer::getColumnName(::connectivity::OSQLParseNode* pColumnRef) const
{
String aTableRange, aColumnName;
m_aSqlIterator.getColumnRange(pColumnRef, aColumnName, aTableRange );
return aColumnName;
}
//------------------------------------------------------------------------------
void OQueryComposer::resetIterator(const String& aSql)
{
String aErrorMsg;
delete m_pSqlParseNode;
m_pSqlParseNode = m_aSqlParser.parseTree(aErrorMsg, aSql);
m_aSqlIterator.setParseTree(m_pSqlParseNode);
}
//-----------------------------------------------------------------------------
String OQueryComposer::getComposedFilter() const
{
String aResult;
// compose the query use brackets if necessary
if ((m_aOrgFilter.Len() != 0) && (m_aFilter.Len() != 0))
(((((((aResult = STR_WHERE) += L_BRACKET) += m_aOrgFilter) += R_BRACKET) += STR_AND) += L_BRACKET) += m_aFilter) += R_BRACKET;
else if (m_aOrgFilter.Len() != 0)
(aResult = STR_WHERE) += m_aOrgFilter;
else if (m_aFilter.Len() != 0)
(aResult = STR_WHERE) += m_aFilter;
return aResult;
}
//-----------------------------------------------------------------------------
String OQueryComposer::getComposedSort() const
{
String aResult;
// set the order part
if ((m_aOrgOrder.Len() != 0) && (m_aOrder.Len() != 0))
(((aResult = STR_ORDER_BY) += m_aOrgOrder) += COMMA) += m_aOrder;
else if (m_aOrgOrder.Len() != 0)
(aResult = STR_ORDER_BY) += m_aOrgOrder;
else if (m_aOrder.Len() != 0)
(aResult = STR_ORDER_BY) += m_aOrder;
return aResult;
}
// -------------------------------------------------------------------------
String OQueryComposer::getGroupBy() const
{
String aResult;
const OSQLParseNode* pGroupBy = m_aSqlIterator.getGroupByTree();
if(pGroupBy)
pGroupBy->parseNodeToStr(aResult,m_xConnection->getMetaData());
const OSQLParseNode* pHaving = m_aSqlIterator.getHavingTree();
if(pHaving)
pHaving->parseNodeToStr(aResult,m_xConnection->getMetaData());
return aResult;
}