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libreoffice/dbaccess/source/core/api/CacheSet.cxx
Daniel Baumann 8e63e14cf6
Adding upstream version 4:25.2.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 16:20:04 +02:00

579 lines
18 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
*/
#include "CacheSet.hxx"
#include <core_resource.hxx>
#include <strings.hrc>
#include <strings.hxx>
#include <com/sun/star/container/XIndexAccess.hpp>
#include <com/sun/star/sdbc/XResultSetMetaDataSupplier.hpp>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/sdbc/XDatabaseMetaData.hpp>
#include <com/sun/star/sdbc/XPreparedStatement.hpp>
#include <com/sun/star/sdbc/ColumnValue.hpp>
#include <com/sun/star/sdbc/XParameters.hpp>
#include <com/sun/star/sdbcx/XIndexesSupplier.hpp>
#include <connectivity/dbtools.hxx>
#include <com/sun/star/io/XInputStream.hpp>
#include <comphelper/types.hxx>
#include <rtl/ustrbuf.hxx>
#include <sal/log.hxx>
#include <osl/diagnose.h>
#include <comphelper/diagnose_ex.hxx>
using namespace comphelper;
using namespace dbaccess;
using namespace dbtools;
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::sdbcx;
using namespace ::com::sun::star::container;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::io;
OCacheSet::OCacheSet(sal_Int32 i_nMaxRows)
:m_nMaxRows(i_nMaxRows)
,m_bInserted(false)
,m_bUpdated(false)
,m_bDeleted(false)
{
}
OUString OCacheSet::getIdentifierQuoteString() const
{
OUString sQuote;
if ( m_xConnection.is() )
if (auto xMeta = m_xConnection->getMetaData())
sQuote = xMeta->getIdentifierQuoteString();
return sQuote;
}
void OCacheSet::construct( const Reference< XResultSet>& _xDriverSet,const OUString &i_sRowSetFilter)
{
OSL_ENSURE(_xDriverSet.is(),"Invalid resultSet");
m_sRowSetFilter = i_sRowSetFilter;
if(!_xDriverSet.is())
return;
m_xDriverSet = _xDriverSet;
m_xDriverRow.set(_xDriverSet,UNO_QUERY);
m_xSetMetaData = Reference<XResultSetMetaDataSupplier>(_xDriverSet,UNO_QUERY_THROW)->getMetaData();
if ( m_xSetMetaData.is() )
{
const sal_Int32 nCount = m_xSetMetaData->getColumnCount();
m_aNullable.resize(nCount);
m_aSignedFlags.resize(nCount);
m_aColumnTypes.resize(nCount);
auto pNullableIter = m_aNullable.begin();
auto pSignedIter = m_aSignedFlags.begin();
auto pColumnIter = m_aColumnTypes.begin();
for (sal_Int32 i=1; i <= nCount; ++i,++pSignedIter,++pColumnIter,++pNullableIter)
{
*pNullableIter = m_xSetMetaData->isNullable(i) != ColumnValue::NO_NULLS;
*pSignedIter = m_xSetMetaData->isSigned(i);
*pColumnIter = m_xSetMetaData->getColumnType(i);
}
}
Reference< XStatement> xStmt(m_xDriverSet->getStatement(),UNO_QUERY);
if(xStmt.is())
m_xConnection = xStmt->getConnection();
else
{
Reference< XPreparedStatement> xPrepStmt(m_xDriverSet->getStatement(),UNO_QUERY);
if ( xPrepStmt.is() )
m_xConnection = xPrepStmt->getConnection();
}
}
OCacheSet::~OCacheSet()
{
try
{
m_xDriverSet = nullptr;
m_xDriverRow = nullptr;
m_xSetMetaData = nullptr;
m_xConnection = nullptr;
}
catch(Exception&)
{
TOOLS_WARN_EXCEPTION("dbaccess", "");
}
catch(...)
{
SAL_WARN("dbaccess", "Unknown Exception occurred");
}
}
void OCacheSet::fillTableName(const Reference<XPropertySet>& _xTable)
{
OSL_ENSURE(_xTable.is(),"OCacheSet::fillTableName: PropertySet is empty!");
if(m_aComposedTableName.isEmpty() && _xTable.is() )
{
Reference<XDatabaseMetaData> xMeta(m_xConnection->getMetaData());
m_aComposedTableName = composeTableName(xMeta
,comphelper::getString(_xTable->getPropertyValue(PROPERTY_CATALOGNAME))
,comphelper::getString(_xTable->getPropertyValue(PROPERTY_SCHEMANAME))
,comphelper::getString(_xTable->getPropertyValue(PROPERTY_NAME))
,true
,::dbtools::EComposeRule::InDataManipulation);
}
}
void OCacheSet::insertRow( const ORowSetRow& _rInsertRow,const connectivity::OSQLTable& _xTable )
{
Reference<XPropertySet> xSet(_xTable,UNO_QUERY);
fillTableName(xSet);
OUStringBuffer aSql("INSERT INTO " + m_aComposedTableName + " ( ");
// set values and column names
OUStringBuffer aValues(" VALUES ( ");
OUString aQuote = getIdentifierQuoteString();
sal_Int32 i = 1;
ORowVector< ORowSetValue >::Vector::const_iterator aIter = _rInsertRow->begin()+1;
connectivity::ORowVector< ORowSetValue > ::Vector::iterator aEnd = _rInsertRow->end();
for(; aIter != aEnd;++aIter)
{
aSql.append(::dbtools::quoteName( aQuote,m_xSetMetaData->getColumnName(i++)) + ",");
aValues.append("?,");
}
aSql[aSql.getLength() - 1] = ')';
aValues[aValues.getLength() - 1] = ')';
aSql.append(aValues);
// now create end execute the prepared statement
{
Reference< XPreparedStatement > xPrep(m_xConnection->prepareStatement(aSql.makeStringAndClear()));
Reference< XParameters > xParameter(xPrep,UNO_QUERY);
i = 1;
for(aIter = _rInsertRow->begin()+1; aIter != aEnd;++aIter,++i)
{
if(aIter->isNull())
xParameter->setNull(i,aIter->getTypeKind());
else
setParameter(i,xParameter,*aIter,m_xSetMetaData->getColumnType(i),m_xSetMetaData->getScale(i));
}
m_bInserted = xPrep->executeUpdate() > 0;
}
// TODO set the bookmark in the insert row
}
void OCacheSet::fillParameters( const ORowSetRow& _rRow
,const connectivity::OSQLTable& _xTable
,OUStringBuffer& _sCondition
,OUStringBuffer& _sParameter
,std::vector< sal_Int32>& _rOrgValues)
{
// use keys and indexes for exact positioning
// first the keys
Reference<XPropertySet> xSet(_xTable,UNO_QUERY);
const Reference<XNameAccess> xPrimaryKeyColumns = getPrimaryKeyColumns_throw(xSet);
// second the indexes
Reference<XIndexesSupplier> xIndexSup(_xTable,UNO_QUERY);
Reference<XIndexAccess> xIndexes;
if(xIndexSup.is())
xIndexes.set(xIndexSup->getIndexes(),UNO_QUERY);
Reference<XPropertySet> xIndexColsSup;
std::vector< Reference<XNameAccess> > aAllIndexColumns;
if(xIndexes.is())
{
for(sal_Int32 j=0;j<xIndexes->getCount();++j)
{
xIndexColsSup.set(xIndexes->getByIndex(j),UNO_QUERY);
if( xIndexColsSup.is()
&& comphelper::getBOOL(xIndexColsSup->getPropertyValue(PROPERTY_ISUNIQUE))
&& !comphelper::getBOOL(xIndexColsSup->getPropertyValue(PROPERTY_ISPRIMARYKEYINDEX))
)
aAllIndexColumns.push_back(Reference<XColumnsSupplier>(xIndexColsSup,UNO_QUERY_THROW)->getColumns());
}
}
OUString aColumnName;
static const char aAnd[] = " AND ";
OUString aQuote = getIdentifierQuoteString();
sal_Int32 nCheckCount = 1; // index for the original values
sal_Int32 i = 1;
OUString sIsNull(u" IS NULL"_ustr);
OUString sParam(u" = ?"_ustr);
ORowVector< ORowSetValue >::Vector::const_iterator aIter = _rRow->begin()+1;
ORowVector< ORowSetValue >::Vector::const_iterator aEnd = _rRow->end();
for(; aIter != aEnd;++aIter,++nCheckCount,++i)
{
aColumnName = m_xSetMetaData->getColumnName(i);
if(xPrimaryKeyColumns.is() && xPrimaryKeyColumns->hasByName(aColumnName))
{
_sCondition.append(::dbtools::quoteName( aQuote,aColumnName));
if(aIter->isNull())
_sCondition.append(sIsNull);
else
_sCondition.append(sParam);
_sCondition.append(aAnd);
_rOrgValues.push_back(nCheckCount);
}
for (auto const& indexColumn : aAllIndexColumns)
{
if(indexColumn->hasByName(aColumnName))
{
_sCondition.append(::dbtools::quoteName( aQuote,aColumnName));
if(aIter->isNull())
_sCondition.append(sIsNull);
else
_sCondition.append(sParam);
_sCondition.append(aAnd);
_rOrgValues.push_back(nCheckCount);
break;
}
}
if(aIter->isModified())
{
_sParameter.append(::dbtools::quoteName( aQuote,aColumnName) + "?,");
}
}
}
void OCacheSet::updateRow(const ORowSetRow& _rInsertRow ,const ORowSetRow& _rOriginalRow,const connectivity::OSQLTable& _xTable )
{
Reference<XPropertySet> xSet(_xTable,UNO_QUERY);
fillTableName(xSet);
OUStringBuffer aSql("UPDATE " + m_aComposedTableName + " SET ");
// list all columns that should be set
OUStringBuffer aCondition;
std::vector< sal_Int32> aOrgValues;
fillParameters(_rInsertRow,_xTable,aCondition,aSql,aOrgValues);
aSql[aSql.getLength() - 1] = ' ';
if ( !aCondition.isEmpty() )
{
aCondition.setLength(aCondition.getLength()-5);
aSql.append(" WHERE " + aCondition);
}
else
::dbtools::throwSQLException(
DBA_RES( RID_STR_NO_UPDATE_MISSING_CONDITION ), StandardSQLState::GENERAL_ERROR, *this );
// now create end execute the prepared statement
Reference< XPreparedStatement > xPrep(m_xConnection->prepareStatement(aSql.makeStringAndClear()));
Reference< XParameters > xParameter(xPrep,UNO_QUERY);
sal_Int32 i = 1;
connectivity::ORowVector< ORowSetValue > ::Vector::iterator aEnd = _rInsertRow->end();
for(ORowVector< ORowSetValue >::Vector::const_iterator aIter = _rInsertRow->begin()+1; aIter != aEnd;++aIter)
{
if(aIter->isModified())
{
setParameter(i,xParameter,*aIter,m_xSetMetaData->getColumnType(i),m_xSetMetaData->getScale(i));
++i;
}
}
for (auto const& orgValue : aOrgValues)
{
setParameter(i,xParameter,(*_rOriginalRow)[orgValue],m_xSetMetaData->getColumnType(i),m_xSetMetaData->getScale(i));
++i;
}
m_bUpdated = xPrep->executeUpdate() > 0;
}
void OCacheSet::deleteRow(const ORowSetRow& _rDeleteRow ,const connectivity::OSQLTable& _xTable )
{
Reference<XPropertySet> xSet(_xTable,UNO_QUERY);
fillTableName(xSet);
OUStringBuffer aSql("DELETE FROM " + m_aComposedTableName + " WHERE ");
// use keys and indexes for exact positioning
Reference<XIndexesSupplier> xIndexSup(_xTable,UNO_QUERY);
Reference<XIndexAccess> xIndexes;
if(xIndexSup.is())
xIndexes.set(xIndexSup->getIndexes(),UNO_QUERY);
// Reference<XColumnsSupplier>
Reference<XPropertySet> xIndexColsSup;
std::vector< Reference<XNameAccess> > aAllIndexColumns;
if(xIndexes.is())
{
for(sal_Int32 j=0;j<xIndexes->getCount();++j)
{
xIndexColsSup.set(xIndexes->getByIndex(j),UNO_QUERY);
if( xIndexColsSup.is()
&& comphelper::getBOOL(xIndexColsSup->getPropertyValue(PROPERTY_ISUNIQUE))
&& !comphelper::getBOOL(xIndexColsSup->getPropertyValue(PROPERTY_ISPRIMARYKEYINDEX))
)
aAllIndexColumns.push_back(Reference<XColumnsSupplier>(xIndexColsSup,UNO_QUERY_THROW)->getColumns());
}
}
OUStringBuffer aColumnName;
std::vector< sal_Int32> aOrgValues;
fillParameters(_rDeleteRow,_xTable,aSql,aColumnName,aOrgValues);
aSql.setLength(aSql.getLength()-5);
// now create and execute the prepared statement
Reference< XPreparedStatement > xPrep(m_xConnection->prepareStatement(aSql.makeStringAndClear()));
Reference< XParameters > xParameter(xPrep,UNO_QUERY);
sal_Int32 i = 1;
for (auto const& orgValue : aOrgValues)
{
setParameter(i,xParameter,(*_rDeleteRow)[orgValue],m_xSetMetaData->getColumnType(i),m_xSetMetaData->getScale(i));
++i;
}
m_bDeleted = xPrep->executeUpdate() > 0;
}
void OCacheSet::setParameter(sal_Int32 nPos
,const Reference< XParameters >& _xParameter
,const ORowSetValue& _rValue
,sal_Int32 _nType
,sal_Int32 _nScale)
{
sal_Int32 nType = ( _nType != DataType::OTHER ) ? _nType : _rValue.getTypeKind();
::dbtools::setObjectWithInfo(_xParameter,nPos,_rValue,nType,_nScale);
}
void OCacheSet::fillValueRow(ORowSetRow& _rRow,sal_Int32 _nPosition)
{
Any aBookmark = getBookmark();
if(!aBookmark.hasValue())
aBookmark <<= _nPosition;
connectivity::ORowVector< ORowSetValue >::Vector::iterator aIter = _rRow->begin();
connectivity::ORowVector< ORowSetValue >::Vector::iterator aEnd = _rRow->end();
(*aIter) = aBookmark;
++aIter;
for(sal_Int32 i=1;aIter != aEnd;++aIter,++i)
{
aIter->setSigned(m_aSignedFlags[i-1]);
aIter->fill(i, m_aColumnTypes[i-1], this);
}
}
sal_Bool SAL_CALL OCacheSet::wasNull( )
{
return m_xDriverRow->wasNull();
}
OUString SAL_CALL OCacheSet::getString( sal_Int32 columnIndex )
{
return m_xDriverRow->getString(columnIndex);
}
sal_Bool SAL_CALL OCacheSet::getBoolean( sal_Int32 columnIndex )
{
return m_xDriverRow->getBoolean(columnIndex);
}
sal_Int8 SAL_CALL OCacheSet::getByte( sal_Int32 columnIndex )
{
return m_xDriverRow->getByte(columnIndex);
}
sal_Int16 SAL_CALL OCacheSet::getShort( sal_Int32 columnIndex )
{
return m_xDriverRow->getShort(columnIndex);
}
sal_Int32 SAL_CALL OCacheSet::getInt( sal_Int32 columnIndex )
{
return m_xDriverRow->getInt(columnIndex);
}
sal_Int64 SAL_CALL OCacheSet::getLong( sal_Int32 columnIndex )
{
return m_xDriverRow->getLong(columnIndex);
}
float SAL_CALL OCacheSet::getFloat( sal_Int32 columnIndex )
{
return m_xDriverRow->getFloat(columnIndex);
}
double SAL_CALL OCacheSet::getDouble( sal_Int32 columnIndex )
{
return m_xDriverRow->getDouble(columnIndex);
}
Sequence< sal_Int8 > SAL_CALL OCacheSet::getBytes( sal_Int32 columnIndex )
{
return m_xDriverRow->getBytes(columnIndex);
}
css::util::Date SAL_CALL OCacheSet::getDate( sal_Int32 columnIndex )
{
return m_xDriverRow->getDate(columnIndex);
}
css::util::Time SAL_CALL OCacheSet::getTime( sal_Int32 columnIndex )
{
return m_xDriverRow->getTime(columnIndex);
}
css::util::DateTime SAL_CALL OCacheSet::getTimestamp( sal_Int32 columnIndex )
{
return m_xDriverRow->getTimestamp(columnIndex);
}
Reference< css::io::XInputStream > SAL_CALL OCacheSet::getBinaryStream( sal_Int32 columnIndex )
{
return m_xDriverRow->getBinaryStream(columnIndex);
}
Reference< css::io::XInputStream > SAL_CALL OCacheSet::getCharacterStream( sal_Int32 columnIndex )
{
return m_xDriverRow->getCharacterStream(columnIndex);
}
Any SAL_CALL OCacheSet::getObject( sal_Int32 columnIndex, const Reference< css::container::XNameAccess >& typeMap )
{
return m_xDriverRow->getObject(columnIndex,typeMap);
}
Reference< XRef > SAL_CALL OCacheSet::getRef( sal_Int32 columnIndex )
{
return m_xDriverRow->getRef(columnIndex);
}
Reference< XBlob > SAL_CALL OCacheSet::getBlob( sal_Int32 columnIndex )
{
return m_xDriverRow->getBlob(columnIndex);
}
Reference< XClob > SAL_CALL OCacheSet::getClob( sal_Int32 columnIndex )
{
return m_xDriverRow->getClob(columnIndex);
}
Reference< XArray > SAL_CALL OCacheSet::getArray( sal_Int32 columnIndex )
{
return m_xDriverRow->getArray(columnIndex);
}
// XResultSet
bool OCacheSet::next()
{
m_bInserted = m_bUpdated = m_bDeleted = false;
return m_xDriverSet->next();
}
void OCacheSet::beforeFirst( )
{
m_bInserted = m_bUpdated = m_bDeleted = false;
m_xDriverSet->beforeFirst();
}
void OCacheSet::afterLast( )
{
m_bInserted = m_bUpdated = m_bDeleted = false;
m_xDriverSet->afterLast();
}
bool OCacheSet::first()
{
m_bInserted = m_bUpdated = m_bDeleted = false;
return m_xDriverSet->first();
}
bool OCacheSet::last()
{
m_bInserted = m_bUpdated = m_bDeleted = false;
return m_xDriverSet->last();
}
sal_Int32 OCacheSet::getRow( )
{
return m_xDriverSet->getRow();
}
bool OCacheSet::absolute( sal_Int32 row )
{
m_bInserted = m_bUpdated = m_bDeleted = false;
return m_xDriverSet->absolute(row);
}
bool OCacheSet::previous( )
{
m_bInserted = m_bUpdated = m_bDeleted = false;
return m_xDriverSet->previous();
}
void OCacheSet::refreshRow( )
{
m_xDriverSet->refreshRow();
}
bool OCacheSet::rowUpdated( )
{
return m_xDriverSet->rowUpdated();
}
bool OCacheSet::rowInserted( )
{
return m_xDriverSet->rowInserted();
}
bool OCacheSet::rowDeleted( )
{
return m_xDriverSet->rowDeleted();
}
bool OCacheSet::isResultSetChanged() const
{
return false;
}
void OCacheSet::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);
}
bool OCacheSet::columnValuesUpdated(ORowSetValueVector::Vector& /*io_aCachedRow*/,const ORowSetValueVector::Vector& /*io_aRow*/)
{
return false;
}
bool OCacheSet::updateColumnValues(const ORowSetValueVector::Vector& /*io_aCachedRow*/,ORowSetValueVector::Vector& /*io_aRow*/,const std::vector<sal_Int32>& /*i_aChangedColumns*/)
{
return true;
}
void OCacheSet::fillMissingValues(ORowSetValueVector::Vector& /*io_aRow*/) const
{
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */