671 lines
29 KiB
C++
671 lines
29 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include "OptimisticSet.hxx"
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#include "core_resource.hxx"
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#include "core_resource.hrc"
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#include <com/sun/star/beans/XPropertySet.hpp>
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#include <com/sun/star/sdbc/XDatabaseMetaData.hpp>
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#include <com/sun/star/sdbc/ColumnValue.hpp>
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#include <com/sun/star/sdbc/XPreparedStatement.hpp>
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#include <com/sun/star/sdbc/XParameters.hpp>
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#include <com/sun/star/sdbc/XGeneratedResultSet.hpp>
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#include <com/sun/star/sdb/XSingleSelectQueryComposer.hpp>
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#include <com/sun/star/sdb/SQLFilterOperator.hpp>
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#include <com/sun/star/sdbc/XColumnLocate.hpp>
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#include <com/sun/star/container/XIndexAccess.hpp>
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#include "dbastrings.hrc"
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#include "apitools.hxx"
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#include <com/sun/star/sdbcx/XKeysSupplier.hpp>
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#include <com/sun/star/sdbcx/XIndexesSupplier.hpp>
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#include <cppuhelper/typeprovider.hxx>
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#include <comphelper/types.hxx>
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#include <com/sun/star/sdbcx/KeyType.hpp>
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#include <connectivity/dbtools.hxx>
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#include <connectivity/dbexception.hxx>
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#include <list>
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#include <map>
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#include <algorithm>
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#include <string.h>
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#include <com/sun/star/io/XInputStream.hpp>
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#include <com/sun/star/sdbcx/XTablesSupplier.hpp>
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#include "querycomposer.hxx"
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#include "composertools.hxx"
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#include <tools/debug.hxx>
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using namespace dbaccess;
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using namespace ::connectivity;
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using namespace ::dbtools;
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using namespace ::com::sun::star::uno;
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using namespace ::com::sun::star::beans;
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using namespace ::com::sun::star::sdbc;
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using namespace ::com::sun::star::sdb;
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using namespace ::com::sun::star::sdbcx;
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using namespace ::com::sun::star::container;
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using namespace ::com::sun::star::lang;
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using namespace ::com::sun::star::util;
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using namespace ::com::sun::star::io;
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using namespace ::com::sun::star;
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using namespace ::cppu;
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using namespace ::osl;
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typedef std::map<OUString, OUStringBuffer> TSQLStatements;
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namespace
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{
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void lcl_fillKeyCondition(const OUString& i_sTableName,const OUString& i_sQuotedColumnName,const ORowSetValue& i_aValue,TSQLStatements& io_aKeyConditions)
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{
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OUStringBuffer& rKeyCondition = io_aKeyConditions[i_sTableName];
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if ( !rKeyCondition.isEmpty() )
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rKeyCondition.append(" AND ");
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rKeyCondition.append(i_sQuotedColumnName);
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if ( i_aValue.isNull() )
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rKeyCondition.append(" IS NULL");
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else
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rKeyCondition.append(" = ?");
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}
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}
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OptimisticSet::OptimisticSet(const Reference<XComponentContext>& _rContext,
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const Reference< XConnection>& i_xConnection,
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const Reference< XSingleSelectQueryAnalyzer >& _xComposer,
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const ORowSetValueVector& _aParameterValueForCache,
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sal_Int32 i_nMaxRows,
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sal_Int32& o_nRowCount)
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:OKeySet(NULL,NULL,OUString(),_xComposer,_aParameterValueForCache,i_nMaxRows,o_nRowCount)
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,m_aSqlParser( _rContext )
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,m_aSqlIterator( i_xConnection, Reference<XTablesSupplier>(_xComposer,UNO_QUERY)->getTables(), m_aSqlParser, NULL )
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,m_bResultSetChanged(false)
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{
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}
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OptimisticSet::~OptimisticSet()
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{
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}
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void OptimisticSet::construct(const Reference< XResultSet>& _xDriverSet,const OUString& i_sRowSetFilter)
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{
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OCacheSet::construct(_xDriverSet,i_sRowSetFilter);
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initColumns();
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m_sRowSetFilter = i_sRowSetFilter;
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Reference<XDatabaseMetaData> xMeta = m_xConnection->getMetaData();
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bool bCase = xMeta.is() && xMeta->supportsMixedCaseQuotedIdentifiers();
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Reference<XColumnsSupplier> xQueryColSup(m_xComposer,UNO_QUERY);
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const Reference<XNameAccess> xQueryColumns = xQueryColSup->getColumns();
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const Reference<XTablesSupplier> xTabSup(m_xComposer,UNO_QUERY);
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const Reference<XNameAccess> xTables = xTabSup->getTables();
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const Sequence< OUString> aTableNames = xTables->getElementNames();
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const OUString* pTableNameIter = aTableNames.getConstArray();
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const OUString* pTableNameEnd = pTableNameIter + aTableNames.getLength();
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for( ; pTableNameIter != pTableNameEnd ; ++pTableNameIter)
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{
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SAL_WNODEPRECATED_DECLARATIONS_PUSH
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::std::auto_ptr<SelectColumnsMetaData> pKeyColumNames(new SelectColumnsMetaData(bCase));
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SAL_WNODEPRECATED_DECLARATIONS_POP
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findTableColumnsMatching_throw(xTables->getByName(*pTableNameIter),*pTableNameIter,xMeta,xQueryColumns,pKeyColumNames);
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m_pKeyColumnNames->insert(pKeyColumNames->begin(),pKeyColumNames->end());
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}
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// the first row is empty because it's now easier for us to distinguish when we are beforefirst or first
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// without extra variable to be set
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OKeySetValue keySetValue((ORowSetValueVector *)NULL,::std::pair<sal_Int32,Reference<XRow> >(0,(Reference<XRow>)NULL));
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m_aKeyMap.insert(OKeySetMatrix::value_type(0,keySetValue));
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m_aKeyIter = m_aKeyMap.begin();
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Reference< XSingleSelectQueryComposer> xSourceComposer(m_xComposer,UNO_QUERY);
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Reference< XMultiServiceFactory > xFactory(m_xConnection, UNO_QUERY_THROW);
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Reference<XSingleSelectQueryComposer> xAnalyzer(xFactory->createInstance(SERVICE_NAME_SINGLESELECTQUERYCOMPOSER),UNO_QUERY);
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OUString sQuery = xSourceComposer->getQuery();
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xAnalyzer->setElementaryQuery(xSourceComposer->getElementaryQuery());
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// check for joins
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OUString aErrorMsg;
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SAL_WNODEPRECATED_DECLARATIONS_PUSH
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::std::auto_ptr<OSQLParseNode> pStatementNode( m_aSqlParser.parseTree( aErrorMsg, sQuery ) );
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SAL_WNODEPRECATED_DECLARATIONS_POP
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m_aSqlIterator.setParseTree( pStatementNode.get() );
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m_aSqlIterator.traverseAll();
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fillJoinedColumns_throw(m_aSqlIterator.getJoinConditions());
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}
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void OptimisticSet::makeNewStatement( )
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{
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OUStringBuffer aFilter = createKeyFilter();
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Reference< XSingleSelectQueryComposer> xSourceComposer(m_xComposer,UNO_QUERY);
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Reference< XMultiServiceFactory > xFactory(m_xConnection, UNO_QUERY_THROW);
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Reference<XSingleSelectQueryComposer> xAnalyzer(xFactory->createInstance(SERVICE_NAME_SINGLESELECTQUERYCOMPOSER),UNO_QUERY);
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xAnalyzer->setElementaryQuery(xSourceComposer->getElementaryQuery());
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const OUString sComposerFilter = m_xComposer->getFilter();
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if ( !m_sRowSetFilter.isEmpty() || !sComposerFilter.isEmpty() )
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{
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FilterCreator aFilterCreator;
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if ( !sComposerFilter.isEmpty() && sComposerFilter != m_sRowSetFilter )
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aFilterCreator.append( sComposerFilter );
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aFilterCreator.append( m_sRowSetFilter );
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aFilterCreator.append( aFilter.makeStringAndClear() );
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aFilter = aFilterCreator.getComposedAndClear();
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}
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xAnalyzer->setFilter(aFilter.makeStringAndClear());
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m_xStatement = m_xConnection->prepareStatement(xAnalyzer->getQueryWithSubstitution());
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::comphelper::disposeComponent(xAnalyzer);
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}
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// ::com::sun::star::sdbcx::XDeleteRows
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Sequence< sal_Int32 > SAL_CALL OptimisticSet::deleteRows( const Sequence< Any >& /*rows*/ ,const connectivity::OSQLTable& /*_xTable*/) throw(SQLException, RuntimeException)
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{
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Sequence< sal_Int32 > aRet;
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return aRet;
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}
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void SAL_CALL OptimisticSet::updateRow(const ORowSetRow& _rInsertRow ,const ORowSetRow& _rOriginalRow,const connectivity::OSQLTable& /*_xTable*/ ) throw(SQLException, RuntimeException)
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{
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if ( m_aJoinedKeyColumns.empty() )
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throw SQLException();
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// list all cloumns that should be set
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static OUString s_sPara(" = ?");
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OUString aQuote = getIdentifierQuoteString();
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::std::map< OUString,bool > aResultSetChanged;
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TSQLStatements aKeyConditions;
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TSQLStatements aIndexConditions;
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TSQLStatements aSql;
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// here we build the condition part for the update statement
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SelectColumnsMetaData::const_iterator aIter = m_pColumnNames->begin();
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SelectColumnsMetaData::const_iterator aEnd = m_pColumnNames->end();
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for(;aIter != aEnd;++aIter)
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{
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if ( aResultSetChanged.find( aIter->second.sTableName ) == aResultSetChanged.end() )
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aResultSetChanged[aIter->second.sTableName] = false;
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const OUString sQuotedColumnName = ::dbtools::quoteName( aQuote,aIter->second.sRealName);
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if ( m_pKeyColumnNames->find(aIter->first) != m_pKeyColumnNames->end() )
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{
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aResultSetChanged[aIter->second.sTableName] = m_aJoinedKeyColumns.find(aIter->second.nPosition) != m_aJoinedKeyColumns.end();
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lcl_fillKeyCondition(aIter->second.sTableName,sQuotedColumnName,(_rOriginalRow->get())[aIter->second.nPosition],aKeyConditions);
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}
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if((_rInsertRow->get())[aIter->second.nPosition].isModified())
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{
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if ( m_aJoinedKeyColumns.find(aIter->second.nPosition) != m_aJoinedKeyColumns.end() )
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throw SQLException();
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::std::map<sal_Int32,sal_Int32>::const_iterator aJoinIter = m_aJoinedColumns.find(aIter->second.nPosition);
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if ( aJoinIter != m_aJoinedColumns.end() )
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{
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(_rInsertRow->get())[aJoinIter->second] = (_rInsertRow->get())[aIter->second.nPosition];
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}
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OUStringBuffer& rPart = aSql[aIter->second.sTableName];
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if ( !rPart.isEmpty() )
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rPart.append(", ");
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rPart.append(sQuotedColumnName + s_sPara);
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}
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}
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if( aSql.empty() )
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::dbtools::throwSQLException( DBACORE_RESSTRING( RID_STR_NO_VALUE_CHANGED ), SQL_GENERAL_ERROR, m_xConnection );
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if( aKeyConditions.empty() )
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::dbtools::throwSQLException( DBACORE_RESSTRING( RID_STR_NO_CONDITION_FOR_PK ), SQL_GENERAL_ERROR, m_xConnection );
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static const OUString s_sUPDATE("UPDATE ");
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static const OUString s_sSET(" SET ");
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Reference<XDatabaseMetaData> xMetaData = m_xConnection->getMetaData();
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TSQLStatements::iterator aSqlIter = aSql.begin();
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TSQLStatements::iterator aSqlEnd = aSql.end();
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for(;aSqlIter != aSqlEnd ; ++aSqlIter)
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{
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if ( !aSqlIter->second.isEmpty() )
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{
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m_bResultSetChanged = m_bResultSetChanged || aResultSetChanged[aSqlIter->first];
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OUString sCatalog,sSchema,sTable;
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::dbtools::qualifiedNameComponents(xMetaData,aSqlIter->first,sCatalog,sSchema,sTable,::dbtools::eInDataManipulation);
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OUStringBuffer sSql(s_sUPDATE + ::dbtools::composeTableNameForSelect( m_xConnection, sCatalog, sSchema, sTable ) +
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s_sSET + aSqlIter->second.toString());
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OUStringBuffer& rCondition = aKeyConditions[aSqlIter->first];
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if ( !rCondition.isEmpty() )
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sSql.append(" WHERE " + rCondition.toString() );
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executeUpdate(_rInsertRow ,_rOriginalRow,sSql.makeStringAndClear(),aSqlIter->first);
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}
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}
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}
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void SAL_CALL OptimisticSet::insertRow( const ORowSetRow& _rInsertRow,const connectivity::OSQLTable& /*_xTable*/ ) throw(SQLException, RuntimeException)
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{
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TSQLStatements aSql;
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TSQLStatements aParameter;
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TSQLStatements aKeyConditions;
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::std::map< OUString,bool > aResultSetChanged;
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OUString aQuote = getIdentifierQuoteString();
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// here we build the condition part for the update statement
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SelectColumnsMetaData::const_iterator aIter = m_pColumnNames->begin();
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SelectColumnsMetaData::const_iterator aEnd = m_pColumnNames->end();
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for(;aIter != aEnd;++aIter)
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{
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if ( aResultSetChanged.find( aIter->second.sTableName ) == aResultSetChanged.end() )
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aResultSetChanged[aIter->second.sTableName] = false;
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const OUString sQuotedColumnName = ::dbtools::quoteName( aQuote,aIter->second.sRealName);
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if ( (_rInsertRow->get())[aIter->second.nPosition].isModified() )
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{
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if ( m_aJoinedKeyColumns.find(aIter->second.nPosition) != m_aJoinedKeyColumns.end() )
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{
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lcl_fillKeyCondition(aIter->second.sTableName,sQuotedColumnName,(_rInsertRow->get())[aIter->second.nPosition],aKeyConditions);
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aResultSetChanged[aIter->second.sTableName] = true;
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}
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::std::map<sal_Int32,sal_Int32>::const_iterator aJoinIter = m_aJoinedColumns.find(aIter->second.nPosition);
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if ( aJoinIter != m_aJoinedColumns.end() )
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{
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(_rInsertRow->get())[aJoinIter->second] = (_rInsertRow->get())[aIter->second.nPosition];
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}
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OUStringBuffer& rPart = aSql[aIter->second.sTableName];
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if ( !rPart.isEmpty() )
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rPart.append(", ");
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rPart.append(sQuotedColumnName);
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OUStringBuffer& rParam = aParameter[aIter->second.sTableName];
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if ( !rParam.isEmpty() )
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rParam.append(", ");
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rParam.append("?");
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}
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}
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if ( aParameter.empty() )
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::dbtools::throwSQLException( DBACORE_RESSTRING( RID_STR_NO_VALUE_CHANGED ), SQL_GENERAL_ERROR, m_xConnection );
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Reference<XDatabaseMetaData> xMetaData = m_xConnection->getMetaData();
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static const OUString s_sINSERT("INSERT INTO ");
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static const OUString s_sVALUES(") VALUES ( ");
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TSQLStatements::iterator aSqlIter = aSql.begin();
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TSQLStatements::iterator aSqlEnd = aSql.end();
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for(;aSqlIter != aSqlEnd ; ++aSqlIter)
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{
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if ( !aSqlIter->second.isEmpty() )
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{
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m_bResultSetChanged = m_bResultSetChanged || aResultSetChanged[aSqlIter->first];
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OUString sCatalog,sSchema,sTable;
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::dbtools::qualifiedNameComponents(xMetaData,aSqlIter->first,sCatalog,sSchema,sTable,::dbtools::eInDataManipulation);
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OUString sComposedTableName = ::dbtools::composeTableNameForSelect( m_xConnection, sCatalog, sSchema, sTable );
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OUString sSql(s_sINSERT + sComposedTableName + " ( " + aSqlIter->second.toString() +
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s_sVALUES + aParameter[aSqlIter->first].toString() + " )");
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OUStringBuffer& rCondition = aKeyConditions[aSqlIter->first];
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if ( !rCondition.isEmpty() )
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{
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OUString sQuery("SELECT " + aSqlIter->second.toString() + " FROM " + sComposedTableName +
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" WHERE " + rCondition.toString());
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try
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{
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Reference< XPreparedStatement > xPrep(m_xConnection->prepareStatement(sQuery));
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Reference< XParameters > xParameter(xPrep,UNO_QUERY);
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// and then the values of the where condition
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SelectColumnsMetaData::iterator aKeyCol = m_pKeyColumnNames->begin();
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SelectColumnsMetaData::iterator aKeysEnd = m_pKeyColumnNames->end();
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sal_Int32 i = 1;
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for(;aKeyCol != aKeysEnd;++aKeyCol)
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{
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if ( aKeyCol->second.sTableName == aSqlIter->first )
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{
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setParameter(i++,xParameter,(_rInsertRow->get())[aKeyCol->second.nPosition],aKeyCol->second.nType,aKeyCol->second.nScale);
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}
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}
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Reference<XResultSet> xRes = xPrep->executeQuery();
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Reference<XRow> xRow(xRes,UNO_QUERY);
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if ( xRow.is() && xRes->next() )
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{
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m_bResultSetChanged = true;
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continue;
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}
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}
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catch(const SQLException&)
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{
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}
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}
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executeInsert(_rInsertRow,sSql,aSqlIter->first);
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}
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}
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}
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void SAL_CALL OptimisticSet::deleteRow(const ORowSetRow& _rDeleteRow,const connectivity::OSQLTable& /*_xTable*/ ) throw(SQLException, RuntimeException)
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{
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OUString aQuote = getIdentifierQuoteString();
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TSQLStatements aKeyConditions;
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TSQLStatements aIndexConditions;
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TSQLStatements aSql;
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// here we build the condition part for the update statement
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SelectColumnsMetaData::const_iterator aIter = m_pColumnNames->begin();
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SelectColumnsMetaData::const_iterator aEnd = m_pColumnNames->end();
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for(;aIter != aEnd;++aIter)
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{
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if ( m_aJoinedKeyColumns.find(aIter->second.nPosition) == m_aJoinedKeyColumns.end() && m_pKeyColumnNames->find(aIter->first) != m_pKeyColumnNames->end() )
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{
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// only delete rows which aren't the key in the join
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const OUString sQuotedColumnName = ::dbtools::quoteName( aQuote,aIter->second.sRealName);
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lcl_fillKeyCondition(aIter->second.sTableName,sQuotedColumnName,(_rDeleteRow->get())[aIter->second.nPosition],aKeyConditions);
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}
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}
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Reference<XDatabaseMetaData> xMetaData = m_xConnection->getMetaData();
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TSQLStatements::iterator aSqlIter = aKeyConditions.begin();
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TSQLStatements::iterator aSqlEnd = aKeyConditions.end();
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for(;aSqlIter != aSqlEnd ; ++aSqlIter)
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{
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OUStringBuffer& rCondition = aSqlIter->second;
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if ( !rCondition.isEmpty() )
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{
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OUString sCatalog,sSchema,sTable;
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::dbtools::qualifiedNameComponents(xMetaData,aSqlIter->first,sCatalog,sSchema,sTable,::dbtools::eInDataManipulation);
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OUString sSql("DELETE FROM " + ::dbtools::composeTableNameForSelect( m_xConnection, sCatalog, sSchema, sTable ) +
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" WHERE " + rCondition.toString() );
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executeDelete(_rDeleteRow, sSql, aSqlIter->first);
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}
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}
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}
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void OptimisticSet::executeDelete(const ORowSetRow& _rDeleteRow,const OUString& i_sSQL,const OUString& i_sTableName)
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{
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// now create and execute the prepared statement
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Reference< XPreparedStatement > xPrep(m_xConnection->prepareStatement(i_sSQL));
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Reference< XParameters > xParameter(xPrep,UNO_QUERY);
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SelectColumnsMetaData::const_iterator aIter = m_pKeyColumnNames->begin();
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SelectColumnsMetaData::const_iterator aEnd = m_pKeyColumnNames->end();
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sal_Int32 i = 1;
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for(;aIter != aEnd;++aIter)
|
|
{
|
|
if ( aIter->second.sTableName == i_sTableName )
|
|
setParameter(i++,xParameter,(_rDeleteRow->get())[aIter->second.nPosition],aIter->second.nType,aIter->second.nScale);
|
|
}
|
|
m_bDeleted = xPrep->executeUpdate() > 0;
|
|
|
|
if(m_bDeleted)
|
|
{
|
|
sal_Int32 nBookmark = ::comphelper::getINT32((_rDeleteRow->get())[0].getAny());
|
|
if(m_aKeyIter == m_aKeyMap.find(nBookmark) && m_aKeyIter != m_aKeyMap.end())
|
|
++m_aKeyIter;
|
|
m_aKeyMap.erase(nBookmark);
|
|
m_bDeleted = true;
|
|
}
|
|
}
|
|
|
|
void OptimisticSet::fillJoinedColumns_throw(const ::std::vector< TNodePair >& i_aJoinColumns)
|
|
{
|
|
::std::vector< TNodePair >::const_iterator aIter = i_aJoinColumns.begin();
|
|
for(;aIter != i_aJoinColumns.end();++aIter)
|
|
{
|
|
OUString sColumnName,sTableName;
|
|
m_aSqlIterator.getColumnRange(aIter->first,sColumnName,sTableName);
|
|
OUString sLeft(sTableName + "." + sColumnName);
|
|
m_aSqlIterator.getColumnRange(aIter->second,sColumnName,sTableName);
|
|
OUString sRight(sTableName + "." + sColumnName);
|
|
fillJoinedColumns_throw(sLeft, sRight);
|
|
}
|
|
}
|
|
|
|
void OptimisticSet::fillJoinedColumns_throw(const OUString& i_sLeftColumn,const OUString& i_sRightColumn)
|
|
{
|
|
sal_Int32 nLeft = 0,nRight = 0;
|
|
SelectColumnsMetaData::const_iterator aLeftIter = m_pKeyColumnNames->find(i_sLeftColumn);
|
|
SelectColumnsMetaData::const_iterator aRightIter = m_pKeyColumnNames->find(i_sRightColumn);
|
|
|
|
bool bLeftKey = aLeftIter != m_pKeyColumnNames->end();
|
|
if ( bLeftKey )
|
|
{
|
|
nLeft = aLeftIter->second.nPosition;
|
|
}
|
|
else
|
|
{
|
|
aLeftIter = m_pColumnNames->find(i_sLeftColumn);
|
|
if ( aLeftIter != m_pColumnNames->end() )
|
|
nLeft = aLeftIter->second.nPosition;
|
|
}
|
|
|
|
bool bRightKey = aRightIter != m_pKeyColumnNames->end();
|
|
if ( bRightKey )
|
|
{
|
|
nRight = aRightIter->second.nPosition;
|
|
}
|
|
else
|
|
{
|
|
aRightIter = m_pColumnNames->find(i_sRightColumn);
|
|
if ( aRightIter != m_pColumnNames->end() )
|
|
nRight = aRightIter->second.nPosition;
|
|
}
|
|
|
|
if (bLeftKey)
|
|
m_aJoinedKeyColumns[nLeft] = nRight;
|
|
else
|
|
m_aJoinedColumns[nLeft] = nRight;
|
|
if (bRightKey)
|
|
m_aJoinedKeyColumns[nRight] = nLeft;
|
|
else
|
|
m_aJoinedColumns[nRight] = nLeft;
|
|
}
|
|
|
|
bool OptimisticSet::isResultSetChanged() const
|
|
{
|
|
bool bOld = m_bResultSetChanged;
|
|
m_bResultSetChanged = false;
|
|
return bOld;
|
|
}
|
|
|
|
void OptimisticSet::mergeColumnValues(sal_Int32 i_nColumnIndex,ORowSetValueVector::Vector& io_aInsertRow,ORowSetValueVector::Vector& io_aRow,::std::vector<sal_Int32>& o_aChangedColumns)
|
|
{
|
|
o_aChangedColumns.push_back(i_nColumnIndex);
|
|
::std::map<sal_Int32,sal_Int32>::const_iterator aJoinIter = m_aJoinedColumns.find(i_nColumnIndex);
|
|
if ( aJoinIter != m_aJoinedColumns.end() )
|
|
{
|
|
io_aRow[aJoinIter->second] = io_aRow[i_nColumnIndex];
|
|
io_aInsertRow[aJoinIter->second] = io_aInsertRow[i_nColumnIndex];
|
|
io_aRow[aJoinIter->second].setModified();
|
|
o_aChangedColumns.push_back(aJoinIter->second);
|
|
}
|
|
}
|
|
|
|
namespace
|
|
{
|
|
struct PositionFunctor : ::std::unary_function<SelectColumnsMetaData::value_type,bool>
|
|
{
|
|
sal_Int32 m_nPos;
|
|
PositionFunctor(sal_Int32 i_nPos)
|
|
: m_nPos(i_nPos)
|
|
{
|
|
}
|
|
|
|
inline bool operator()(const SelectColumnsMetaData::value_type& _aType)
|
|
{
|
|
return m_nPos == _aType.second.nPosition;
|
|
}
|
|
};
|
|
struct TableNameFunctor : ::std::unary_function<SelectColumnsMetaData::value_type,bool>
|
|
{
|
|
OUString m_sTableName;
|
|
TableNameFunctor(const OUString& i_sTableName)
|
|
: m_sTableName(i_sTableName)
|
|
{
|
|
}
|
|
|
|
inline bool operator()(const SelectColumnsMetaData::value_type& _aType)
|
|
{
|
|
return m_sTableName == _aType.second.sTableName;
|
|
}
|
|
};
|
|
}
|
|
|
|
bool OptimisticSet::updateColumnValues(const ORowSetValueVector::Vector& io_aCachedRow,ORowSetValueVector::Vector& io_aRow,const ::std::vector<sal_Int32>& i_aChangedColumns)
|
|
{
|
|
bool bRet = false;
|
|
::std::vector<sal_Int32>::const_iterator aColIdxIter = i_aChangedColumns.begin();
|
|
for(;aColIdxIter != i_aChangedColumns.end();++aColIdxIter)
|
|
{
|
|
SelectColumnsMetaData::const_iterator aFind = ::std::find_if(m_pKeyColumnNames->begin(),m_pKeyColumnNames->end(),PositionFunctor(*aColIdxIter));
|
|
if ( aFind != m_pKeyColumnNames->end() )
|
|
{
|
|
const OUString sTableName = aFind->second.sTableName;
|
|
aFind = ::std::find_if(m_pKeyColumnNames->begin(),m_pKeyColumnNames->end(),TableNameFunctor(sTableName));
|
|
while( aFind != m_pKeyColumnNames->end() )
|
|
{
|
|
io_aRow[aFind->second.nPosition].setSigned(io_aCachedRow[aFind->second.nPosition].isSigned());
|
|
if ( io_aCachedRow[aFind->second.nPosition] != io_aRow[aFind->second.nPosition] )
|
|
break;
|
|
++aFind;
|
|
}
|
|
if ( aFind == m_pKeyColumnNames->end() )
|
|
{
|
|
bRet = true;
|
|
SelectColumnsMetaData::const_iterator aIter = m_pColumnNames->begin();
|
|
SelectColumnsMetaData::const_iterator aEnd = m_pColumnNames->end();
|
|
for ( ;aIter != aEnd;++aIter )
|
|
{
|
|
if ( aIter->second.sTableName == sTableName )
|
|
{
|
|
io_aRow[aIter->second.nPosition] = io_aCachedRow[aIter->second.nPosition];
|
|
io_aRow[aIter->second.nPosition].setModified();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return bRet;
|
|
}
|
|
|
|
bool OptimisticSet::columnValuesUpdated(ORowSetValueVector::Vector& o_aCachedRow,const ORowSetValueVector::Vector& i_aRow)
|
|
{
|
|
bool bRet = false;
|
|
SelectColumnsMetaData::const_iterator aIter = m_pColumnNames->begin();
|
|
SelectColumnsMetaData::const_iterator aEnd = m_pColumnNames->end();
|
|
for(;aIter != aEnd;++aIter)
|
|
{
|
|
SelectColumnsMetaData::const_iterator aFind = ::std::find_if(m_pKeyColumnNames->begin(),m_pKeyColumnNames->end(),PositionFunctor(aIter->second.nPosition));
|
|
if ( aFind != m_pKeyColumnNames->end() )
|
|
{
|
|
const OUString sTableName = aFind->second.sTableName;
|
|
aFind = ::std::find_if(m_pKeyColumnNames->begin(),m_pKeyColumnNames->end(),TableNameFunctor(sTableName));
|
|
while( aFind != m_pKeyColumnNames->end() )
|
|
{
|
|
o_aCachedRow[aFind->second.nPosition].setSigned(i_aRow[aFind->second.nPosition].isSigned());
|
|
if ( o_aCachedRow[aFind->second.nPosition] != i_aRow[aFind->second.nPosition] )
|
|
break;
|
|
++aFind;
|
|
}
|
|
if ( aFind == m_pKeyColumnNames->end() )
|
|
{
|
|
bRet = true;
|
|
SelectColumnsMetaData::const_iterator aIter2 = m_pColumnNames->begin();
|
|
SelectColumnsMetaData::const_iterator aEnd2 = m_pColumnNames->end();
|
|
for ( ;aIter2 != aEnd2;++aIter2 )
|
|
{
|
|
if ( aIter2->second.sTableName == sTableName )
|
|
{
|
|
o_aCachedRow[aIter2->second.nPosition] = i_aRow[aIter2->second.nPosition];
|
|
o_aCachedRow[aIter2->second.nPosition].setModified();
|
|
}
|
|
}
|
|
fillMissingValues(o_aCachedRow);
|
|
}
|
|
}
|
|
}
|
|
return bRet;
|
|
}
|
|
|
|
void OptimisticSet::fillMissingValues(ORowSetValueVector::Vector& io_aRow) const
|
|
{
|
|
TSQLStatements aSql;
|
|
TSQLStatements aKeyConditions;
|
|
::std::map< OUString,bool > aResultSetChanged;
|
|
OUString aQuote = getIdentifierQuoteString();
|
|
// here we build the condition part for the update statement
|
|
SelectColumnsMetaData::const_iterator aColIter = m_pColumnNames->begin();
|
|
SelectColumnsMetaData::const_iterator aColEnd = m_pColumnNames->end();
|
|
for(;aColIter != aColEnd;++aColIter)
|
|
{
|
|
const OUString sQuotedColumnName = ::dbtools::quoteName( aQuote,aColIter->second.sRealName);
|
|
if ( m_aJoinedKeyColumns.find(aColIter->second.nPosition) != m_aJoinedKeyColumns.end() )
|
|
{
|
|
lcl_fillKeyCondition(aColIter->second.sTableName,sQuotedColumnName,io_aRow[aColIter->second.nPosition],aKeyConditions);
|
|
}
|
|
OUStringBuffer& rPart = aSql[aColIter->second.sTableName];
|
|
if ( !rPart.isEmpty() )
|
|
rPart.append(", ");
|
|
rPart.append(sQuotedColumnName);
|
|
}
|
|
Reference<XDatabaseMetaData> xMetaData = m_xConnection->getMetaData();
|
|
TSQLStatements::iterator aSqlIter = aSql.begin();
|
|
TSQLStatements::iterator aSqlEnd = aSql.end();
|
|
for(;aSqlIter != aSqlEnd ; ++aSqlIter)
|
|
{
|
|
if ( !aSqlIter->second.isEmpty() )
|
|
{
|
|
OUStringBuffer& rCondition = aKeyConditions[aSqlIter->first];
|
|
if ( !rCondition.isEmpty() )
|
|
{
|
|
OUString sCatalog,sSchema,sTable;
|
|
::dbtools::qualifiedNameComponents(xMetaData,aSqlIter->first,sCatalog,sSchema,sTable,::dbtools::eInDataManipulation);
|
|
OUString sComposedTableName = ::dbtools::composeTableNameForSelect( m_xConnection, sCatalog, sSchema, sTable );
|
|
OUString sQuery("SELECT " + aSqlIter->second.toString() + " FROM " + sComposedTableName + " WHERE " +
|
|
rCondition.makeStringAndClear());
|
|
|
|
try
|
|
{
|
|
Reference< XPreparedStatement > xPrep(m_xConnection->prepareStatement(sQuery));
|
|
Reference< XParameters > xParameter(xPrep,UNO_QUERY);
|
|
// and then the values of the where condition
|
|
SelectColumnsMetaData::iterator aKeyIter = m_pKeyColumnNames->begin();
|
|
SelectColumnsMetaData::iterator aKeyEnd = m_pKeyColumnNames->end();
|
|
sal_Int32 i = 1;
|
|
for(;aKeyIter != aKeyEnd;++aKeyIter)
|
|
{
|
|
if ( aKeyIter->second.sTableName == aSqlIter->first )
|
|
{
|
|
setParameter(i++,xParameter,io_aRow[aKeyIter->second.nPosition],aKeyIter->second.nType,aKeyIter->second.nScale);
|
|
}
|
|
}
|
|
Reference<XResultSet> xRes = xPrep->executeQuery();
|
|
Reference<XRow> xRow(xRes,UNO_QUERY);
|
|
if ( xRow.is() && xRes->next() )
|
|
{
|
|
i = 1;
|
|
aColIter = m_pColumnNames->begin();
|
|
for(;aColIter != aColEnd;++aColIter)
|
|
{
|
|
if ( aColIter->second.sTableName == aSqlIter->first )
|
|
{
|
|
io_aRow[aColIter->second.nPosition].fill(i++, aColIter->second.nType, xRow);
|
|
io_aRow[aColIter->second.nPosition].setModified();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
catch(const SQLException&)
|
|
{
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|