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libreoffice/dbaccess/source/core/api/statement.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

596 lines
20 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 <statement.hxx>
#include "resultset.hxx"
#include <stringconstants.hxx>
#include <strings.hxx>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <com/sun/star/sdbc/XDatabaseMetaData.hpp>
#include <com/sun/star/sdbc/SQLException.hpp>
#include <cppuhelper/queryinterface.hxx>
#include <cppuhelper/supportsservice.hxx>
#include <cppuhelper/typeprovider.hxx>
#include <comphelper/property.hxx>
#include <comphelper/types.hxx>
#include <comphelper/diagnose_ex.hxx>
#include <connectivity/dbexception.hxx>
#include <connection.hxx>
using namespace ::com::sun::star::sdb;
using namespace ::com::sun::star::sdbc;
using namespace ::com::sun::star::beans;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::lang;
using namespace ::cppu;
using namespace ::osl;
using namespace dbaccess;
using namespace dbtools;
OStatementBase::OStatementBase(const rtl::Reference< OConnection > & _xConn,
const Reference< XInterface > & _xStatement)
:WeakComponentImplHelper(m_aMutex)
,OPropertySetHelper(WeakComponentImplHelper::rBHelper)
,m_xParent(_xConn.get())
,m_bUseBookmarks( false )
,m_bEscapeProcessing( true )
{
OSL_ENSURE(_xStatement.is() ,"Statement is NULL!");
m_xAggregateAsSet.set(_xStatement,UNO_QUERY);
m_xAggregateAsCancellable.set(m_xAggregateAsSet, UNO_QUERY);
}
OStatementBase::~OStatementBase()
{
}
// css::lang::XTypeProvider
Sequence< Type > OStatementBase::getTypes()
{
OTypeCollection aTypes(cppu::UnoType<XPropertySet>::get(),
cppu::UnoType<XWarningsSupplier>::get(),
cppu::UnoType<XCloseable>::get(),
cppu::UnoType<XMultipleResults>::get(),
cppu::UnoType<css::util::XCancellable>::get(),
::cppu::WeakComponentImplHelper<>::getTypes() );
Reference< XGeneratedResultSet > xGRes(m_xAggregateAsSet, UNO_QUERY);
if ( xGRes.is() )
aTypes = OTypeCollection(cppu::UnoType<XGeneratedResultSet>::get(),aTypes.getTypes());
Reference< XPreparedBatchExecution > xPreparedBatchExecution(m_xAggregateAsSet, UNO_QUERY);
if ( xPreparedBatchExecution.is() )
aTypes = OTypeCollection(cppu::UnoType<XPreparedBatchExecution>::get(),aTypes.getTypes());
return aTypes.getTypes();
}
// css::uno::XInterface
Any OStatementBase::queryInterface( const Type & rType )
{
Any aIface = ::cppu::WeakComponentImplHelper<>::queryInterface( rType );
if (!aIface.hasValue())
{
aIface = ::cppu::queryInterface(
rType,
static_cast< XPropertySet * >( this ),
static_cast< XWarningsSupplier * >( this ),
static_cast< XCloseable * >( this ),
static_cast< XMultipleResults * >( this ),
static_cast< css::util::XCancellable * >( this ));
if ( !aIface.hasValue() )
{
Reference< XGeneratedResultSet > xGRes(m_xAggregateAsSet, UNO_QUERY);
if ( cppu::UnoType<XGeneratedResultSet>::get()== rType && xGRes.is() )
aIface = ::cppu::queryInterface(rType,static_cast< XGeneratedResultSet * >( this ));
}
if ( !aIface.hasValue() )
{
Reference< XPreparedBatchExecution > xGRes(m_xAggregateAsSet, UNO_QUERY);
if ( cppu::UnoType<XPreparedBatchExecution>::get()== rType && xGRes.is() )
aIface = ::cppu::queryInterface(rType,static_cast< XPreparedBatchExecution * >( this ));
}
}
return aIface;
}
void OStatementBase::acquire() noexcept
{
::cppu::WeakComponentImplHelper<>::acquire();
}
void OStatementBase::release() noexcept
{
::cppu::WeakComponentImplHelper<>::release();
}
void OStatementBase::disposeResultSet()
{
// free the cursor if alive
Reference< XComponent > xComp(m_aResultSet.get(), UNO_QUERY);
if (xComp.is())
xComp->dispose();
m_aResultSet.clear();
}
// OComponentHelper
void OStatementBase::disposing()
{
OPropertySetHelper::disposing();
MutexGuard aGuard(m_aMutex);
// free pending results
disposeResultSet();
// free the original statement
{
MutexGuard aCancelGuard(m_aCancelMutex);
m_xAggregateAsCancellable = nullptr;
}
if ( m_xAggregateAsSet.is() )
{
try
{
Reference< XCloseable > (m_xAggregateAsSet, UNO_QUERY_THROW)->close();
}
catch(RuntimeException& )
{// don't care for anymore
}
catch (SQLException&)
{// don't care for anymore
}
}
m_xAggregateAsSet = nullptr;
// free the parent at last
::cppu::WeakComponentImplHelper<>::disposing();
}
// XCloseable
void OStatementBase::close()
{
{
MutexGuard aGuard( m_aMutex );
::connectivity::checkDisposed(WeakComponentImplHelper::rBHelper.bDisposed);
}
dispose();
}
// OPropertySetHelper
Reference< XPropertySetInfo > OStatementBase::getPropertySetInfo()
{
return createPropertySetInfo( getInfoHelper() ) ;
}
// comphelper::OPropertyArrayUsageHelper
::cppu::IPropertyArrayHelper* OStatementBase::createArrayHelper( ) const
{
return new ::cppu::OPropertyArrayHelper
{
{
{ PROPERTY_CURSORNAME, PROPERTY_ID_CURSORNAME, cppu::UnoType<OUString>::get(), 0 },
{ PROPERTY_ESCAPE_PROCESSING, PROPERTY_ID_ESCAPE_PROCESSING, cppu::UnoType<bool>::get(), 0 },
{ PROPERTY_FETCHDIRECTION, PROPERTY_ID_FETCHDIRECTION, cppu::UnoType<sal_Int32>::get(), 0 },
{ PROPERTY_FETCHSIZE, PROPERTY_ID_FETCHSIZE, cppu::UnoType<sal_Int32>::get(), 0 },
{ PROPERTY_MAXFIELDSIZE, PROPERTY_ID_MAXFIELDSIZE, cppu::UnoType<sal_Int32>::get(), 0 },
{ PROPERTY_MAXROWS, PROPERTY_ID_MAXROWS, cppu::UnoType<sal_Int32>::get(), 0 },
{ PROPERTY_QUERYTIMEOUT, PROPERTY_ID_QUERYTIMEOUT, cppu::UnoType<sal_Int32>::get(), 0 },
{ PROPERTY_RESULTSETCONCURRENCY, PROPERTY_ID_RESULTSETCONCURRENCY, cppu::UnoType<sal_Int32>::get(), 0 },
{ PROPERTY_RESULTSETTYPE, PROPERTY_ID_RESULTSETTYPE, cppu::UnoType<sal_Int32>::get(), 0 },
{ PROPERTY_USEBOOKMARKS, PROPERTY_ID_USEBOOKMARKS, cppu::UnoType<bool>::get(), 0 }
}
};
}
// cppu::OPropertySetHelper
::cppu::IPropertyArrayHelper& OStatementBase::getInfoHelper()
{
return *getArrayHelper();
}
sal_Bool OStatementBase::convertFastPropertyValue(Any & rConvertedValue, Any & rOldValue, sal_Int32 nHandle, const Any& rValue )
{
bool bModified(false);
switch (nHandle)
{
case PROPERTY_ID_USEBOOKMARKS:
bModified = ::comphelper::tryPropertyValue( rConvertedValue, rOldValue, rValue, m_bUseBookmarks );
break;
case PROPERTY_ID_ESCAPE_PROCESSING:
bModified = ::comphelper::tryPropertyValue( rConvertedValue, rOldValue, rValue, m_bEscapeProcessing );
break;
default:
if ( m_xAggregateAsSet.is() )
{
// get the property name
OUString sPropName;
getInfoHelper().fillPropertyMembersByHandle( &sPropName, nullptr, nHandle );
// now set the value
Any aCurrentValue = m_xAggregateAsSet->getPropertyValue( sPropName );
if ( aCurrentValue != rValue )
{
rOldValue = std::move(aCurrentValue);
rConvertedValue = rValue;
bModified = true;
}
}
break;
}
return bModified;
}
void OStatementBase::setFastPropertyValue_NoBroadcast( sal_Int32 nHandle, const Any& rValue )
{
switch ( nHandle )
{
case PROPERTY_ID_USEBOOKMARKS:
{
m_bUseBookmarks = ::comphelper::getBOOL( rValue );
if ( m_xAggregateAsSet.is() && m_xAggregateAsSet->getPropertySetInfo()->hasPropertyByName( PROPERTY_USEBOOKMARKS ) )
m_xAggregateAsSet->setPropertyValue( PROPERTY_USEBOOKMARKS, rValue );
}
break;
case PROPERTY_ID_ESCAPE_PROCESSING:
m_bEscapeProcessing = ::comphelper::getBOOL( rValue );
if ( m_xAggregateAsSet.is() )
m_xAggregateAsSet->setPropertyValue( PROPERTY_ESCAPE_PROCESSING, rValue );
break;
default:
if ( m_xAggregateAsSet.is() )
{
OUString sPropName;
getInfoHelper().fillPropertyMembersByHandle( &sPropName, nullptr, nHandle );
m_xAggregateAsSet->setPropertyValue( sPropName, rValue );
}
break;
}
}
void OStatementBase::getFastPropertyValue( Any& rValue, sal_Int32 nHandle ) const
{
switch (nHandle)
{
case PROPERTY_ID_USEBOOKMARKS:
rValue <<= m_bUseBookmarks;
break;
case PROPERTY_ID_ESCAPE_PROCESSING:
// don't rely on our aggregate - if it implements this wrong, and always returns
// TRUE here, then we would loop in impl_doEscapeProcessing_nothrow
rValue <<= m_bEscapeProcessing;
break;
default:
if ( m_xAggregateAsSet.is() )
{
OUString sPropName;
const_cast< OStatementBase* >( this )->getInfoHelper().fillPropertyMembersByHandle( &sPropName, nullptr, nHandle );
rValue = m_xAggregateAsSet->getPropertyValue( sPropName );
}
break;
}
}
// XWarningsSupplier
Any OStatementBase::getWarnings()
{
MutexGuard aGuard(m_aMutex);
::connectivity::checkDisposed(WeakComponentImplHelper::rBHelper.bDisposed);
return Reference< XWarningsSupplier >(m_xAggregateAsSet, UNO_QUERY_THROW)->getWarnings();
}
void OStatementBase::clearWarnings()
{
MutexGuard aGuard(m_aMutex);
::connectivity::checkDisposed(WeakComponentImplHelper::rBHelper.bDisposed);
Reference< XWarningsSupplier >(m_xAggregateAsSet, UNO_QUERY_THROW)->clearWarnings();
}
// css::util::XCancellable
void OStatementBase::cancel()
{
// no blocking as cancel is typically called from a different thread
MutexGuard aCancelGuard(m_aCancelMutex);
if (m_xAggregateAsCancellable.is())
m_xAggregateAsCancellable->cancel();
// else do nothing
}
// XMultipleResults
Reference< XResultSet > SAL_CALL OStatementBase::getResultSet( )
{
MutexGuard aGuard(m_aMutex);
::connectivity::checkDisposed(WeakComponentImplHelper::rBHelper.bDisposed);
// first check the meta data
Reference<XDatabaseMetaData> xMeta = Reference< XConnection > (m_xParent, UNO_QUERY_THROW)->getMetaData();
if (!xMeta.is() || !xMeta->supportsMultipleResultSets())
throwFunctionSequenceException(*this);
return Reference< XMultipleResults >(m_xAggregateAsSet, UNO_QUERY_THROW)->getResultSet();
}
sal_Int32 SAL_CALL OStatementBase::getUpdateCount( )
{
MutexGuard aGuard(m_aMutex);
::connectivity::checkDisposed(WeakComponentImplHelper::rBHelper.bDisposed);
// first check the meta data
Reference<XDatabaseMetaData> xMeta = Reference< XConnection > (m_xParent, UNO_QUERY_THROW)->getMetaData();
if (!xMeta.is() || !xMeta->supportsMultipleResultSets())
throwFunctionSequenceException(*this);
return Reference< XMultipleResults >(m_xAggregateAsSet, UNO_QUERY_THROW)->getUpdateCount();
}
sal_Bool SAL_CALL OStatementBase::getMoreResults( )
{
MutexGuard aGuard(m_aMutex);
::connectivity::checkDisposed(WeakComponentImplHelper::rBHelper.bDisposed);
// first check the meta data
Reference<XDatabaseMetaData> xMeta = Reference< XConnection > (m_xParent, UNO_QUERY_THROW)->getMetaData();
if (!xMeta.is() || !xMeta->supportsMultipleResultSets())
throwFunctionSequenceException(*this);
// free the previous results
disposeResultSet();
return Reference< XMultipleResults >(m_xAggregateAsSet, UNO_QUERY_THROW)->getMoreResults();
}
// XPreparedBatchExecution
void SAL_CALL OStatementBase::addBatch( )
{
MutexGuard aGuard(m_aMutex);
::connectivity::checkDisposed(WeakComponentImplHelper::rBHelper.bDisposed);
// first check the meta data
Reference<XDatabaseMetaData> xMeta = Reference< XConnection > (m_xParent, UNO_QUERY_THROW)->getMetaData();
if (!xMeta.is() || !xMeta->supportsBatchUpdates())
throwFunctionSequenceException(*this);
Reference< XPreparedBatchExecution >(m_xAggregateAsSet, UNO_QUERY_THROW)->addBatch();
}
void SAL_CALL OStatementBase::clearBatch( )
{
MutexGuard aGuard(m_aMutex);
::connectivity::checkDisposed(WeakComponentImplHelper::rBHelper.bDisposed);
// first check the meta data
Reference<XDatabaseMetaData> xMeta = Reference< XConnection > (m_xParent, UNO_QUERY_THROW)->getMetaData();
if (!xMeta.is() || !xMeta->supportsBatchUpdates())
throwFunctionSequenceException(*this);
Reference< XPreparedBatchExecution >(m_xAggregateAsSet, UNO_QUERY_THROW)->clearBatch();
}
Sequence< sal_Int32 > SAL_CALL OStatementBase::executeBatch( )
{
MutexGuard aGuard(m_aMutex);
::connectivity::checkDisposed(WeakComponentImplHelper::rBHelper.bDisposed);
// first check the meta data
Reference<XDatabaseMetaData> xMeta = Reference< XConnection > (m_xParent, UNO_QUERY_THROW)->getMetaData();
if (!xMeta.is() || !xMeta->supportsBatchUpdates())
throwFunctionSequenceException(*this);
// free the previous results
disposeResultSet();
return Reference< XPreparedBatchExecution >(m_xAggregateAsSet, UNO_QUERY_THROW)->executeBatch();
}
Reference< XResultSet > SAL_CALL OStatementBase::getGeneratedValues( )
{
MutexGuard aGuard(m_aMutex);
::connectivity::checkDisposed(WeakComponentImplHelper::rBHelper.bDisposed);
Reference< XGeneratedResultSet > xGRes(m_xAggregateAsSet, UNO_QUERY);
if ( xGRes.is() )
return xGRes->getGeneratedValues( );
return Reference< XResultSet >();
}
// OStatement
OStatement::OStatement( const rtl::Reference< OConnection >& _xConn, const Reference< XInterface > & _xStatement )
:OStatementBase( _xConn, _xStatement )
,m_bAttemptedComposerCreation( false )
{
m_xAggregateStatement.set( _xStatement, UNO_QUERY_THROW );
}
IMPLEMENT_FORWARD_XINTERFACE2( OStatement, OStatementBase, OStatement_IFACE );
IMPLEMENT_FORWARD_XTYPEPROVIDER2( OStatement, OStatementBase, OStatement_IFACE );
// XServiceInfo
OUString OStatement::getImplementationName( )
{
return u"com.sun.star.sdb.OStatement"_ustr;
}
sal_Bool OStatement::supportsService( const OUString& _rServiceName )
{
return cppu::supportsService(this, _rServiceName);
}
Sequence< OUString > OStatement::getSupportedServiceNames( )
{
return { SERVICE_SDBC_STATEMENT };
}
// XStatement
Reference< XResultSet > OStatement::executeQuery( const OUString& _rSQL )
{
MutexGuard aGuard(m_aMutex);
::connectivity::checkDisposed(WeakComponentImplHelper::rBHelper.bDisposed);
disposeResultSet();
Reference< XResultSet > xResultSet;
OUString sSQL( impl_doEscapeProcessing_nothrow( _rSQL ) );
Reference< XResultSet > xInnerResultSet = m_xAggregateStatement->executeQuery( sSQL );
Reference< XConnection > xConnection( m_xParent, UNO_QUERY_THROW );
if ( xInnerResultSet.is() )
{
Reference< XDatabaseMetaData > xMeta = xConnection->getMetaData();
bool bCaseSensitive = xMeta.is() && xMeta->supportsMixedCaseQuotedIdentifiers();
xResultSet = new OResultSet( xInnerResultSet, *this, bCaseSensitive );
// keep the resultset weak
m_aResultSet = xResultSet;
}
return xResultSet;
}
sal_Int32 OStatement::executeUpdate( const OUString& _rSQL )
{
MutexGuard aGuard(m_aMutex);
::connectivity::checkDisposed(WeakComponentImplHelper::rBHelper.bDisposed);
disposeResultSet();
OUString sSQL( impl_doEscapeProcessing_nothrow( _rSQL ) );
return m_xAggregateStatement->executeUpdate( sSQL );
}
sal_Bool OStatement::execute( const OUString& _rSQL )
{
MutexGuard aGuard(m_aMutex);
::connectivity::checkDisposed(WeakComponentImplHelper::rBHelper.bDisposed);
disposeResultSet();
OUString sSQL( impl_doEscapeProcessing_nothrow( _rSQL ) );
return m_xAggregateStatement->execute( sSQL );
}
void OStatement::addBatch( const OUString& _rSQL )
{
MutexGuard aGuard(m_aMutex);
::connectivity::checkDisposed(WeakComponentImplHelper::rBHelper.bDisposed);
// first check the meta data
Reference<XDatabaseMetaData> xMeta = Reference< XConnection > (m_xParent, UNO_QUERY_THROW)->getMetaData();
if (!xMeta.is() || !xMeta->supportsBatchUpdates())
throwFunctionSequenceException(*this);
OUString sSQL( impl_doEscapeProcessing_nothrow( _rSQL ) );
Reference< XBatchExecution >(m_xAggregateAsSet, UNO_QUERY_THROW)->addBatch( sSQL );
}
void OStatement::clearBatch( )
{
MutexGuard aGuard(m_aMutex);
::connectivity::checkDisposed(WeakComponentImplHelper::rBHelper.bDisposed);
// first check the meta data
Reference<XDatabaseMetaData> xMeta = Reference< XConnection > (m_xParent, UNO_QUERY_THROW)->getMetaData();
if (!xMeta.is() || !xMeta->supportsBatchUpdates())
throwFunctionSequenceException(*this);
Reference< XBatchExecution >(m_xAggregateAsSet, UNO_QUERY_THROW)->clearBatch();
}
Sequence< sal_Int32 > OStatement::executeBatch( )
{
MutexGuard aGuard(m_aMutex);
::connectivity::checkDisposed(WeakComponentImplHelper::rBHelper.bDisposed);
// first check the meta data
Reference<XDatabaseMetaData> xMeta = Reference< XConnection > (m_xParent, UNO_QUERY_THROW)->getMetaData();
if (!xMeta.is() || !xMeta->supportsBatchUpdates())
throwFunctionSequenceException(*this);
return Reference< XBatchExecution >(m_xAggregateAsSet, UNO_QUERY_THROW)->executeBatch( );
}
Reference< XConnection > OStatement::getConnection()
{
return m_xParent.get();
}
void SAL_CALL OStatement::disposing()
{
OStatementBase::disposing();
m_xComposer.clear();
m_xAggregateStatement.clear();
}
OUString OStatement::impl_doEscapeProcessing_nothrow( const OUString& _rSQL ) const
{
if ( !m_bEscapeProcessing )
return _rSQL;
try
{
if ( !impl_ensureComposer_nothrow() )
return _rSQL;
bool bParseable = false;
try { m_xComposer->setQuery( _rSQL ); bParseable = true; }
catch( const SQLException& ) { }
if ( !bParseable )
// if we cannot parse it, silently accept this. The driver is probably able to cope with it then
return _rSQL;
OUString sLowLevelSQL = m_xComposer->getQueryWithSubstitution();
return sLowLevelSQL;
}
catch( const Exception& )
{
DBG_UNHANDLED_EXCEPTION("dbaccess");
}
return _rSQL;
}
bool OStatement::impl_ensureComposer_nothrow() const
{
if ( m_bAttemptedComposerCreation )
return m_xComposer.is();
const_cast< OStatement* >( this )->m_bAttemptedComposerCreation = true;
try
{
Reference< XMultiServiceFactory > xFactory( m_xParent, UNO_QUERY_THROW );
const_cast< OStatement* >( this )->m_xComposer.set( xFactory->createInstance( SERVICE_NAME_SINGLESELECTQUERYCOMPOSER ), UNO_QUERY_THROW );
}
catch( const Exception& )
{
DBG_UNHANDLED_EXCEPTION("dbaccess");
}
return m_xComposer.is();
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */