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Diffstat (limited to 'dbaccess/source/core/api/statement.cxx')
| -rw-r--r-- | dbaccess/source/core/api/statement.cxx | 591 |
1 files changed, 591 insertions, 0 deletions
diff --git a/dbaccess/source/core/api/statement.cxx b/dbaccess/source/core/api/statement.cxx new file mode 100644 index 000000000..3a67cbaeb --- /dev/null +++ b/dbaccess/source/core/api/statement.cxx @@ -0,0 +1,591 @@ +/* -*- 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 <tools/diagnose_ex.h> +#include <connectivity/dbexception.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 Reference< XConnection > & _xConn, + const Reference< XInterface > & _xStatement) + :OSubComponent(m_aMutex, _xConn) + ,OPropertySetHelper(OComponentHelper::rBHelper) + ,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(), + OSubComponent::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 = OSubComponent::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 +{ + OSubComponent::acquire(); +} + +void OStatementBase::release() noexcept +{ + OSubComponent::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 + } + } + m_xAggregateAsSet = nullptr; + + // free the parent at last + OSubComponent::disposing(); +} + +// XCloseable +void OStatementBase::close() +{ + { + MutexGuard aGuard( m_aMutex ); + ::connectivity::checkDisposed(OComponentHelper::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 = 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(OComponentHelper::rBHelper.bDisposed); + + return Reference< XWarningsSupplier >(m_xAggregateAsSet, UNO_QUERY_THROW)->getWarnings(); +} + +void OStatementBase::clearWarnings() +{ + MutexGuard aGuard(m_aMutex); + ::connectivity::checkDisposed(OComponentHelper::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(OComponentHelper::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(OComponentHelper::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(OComponentHelper::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(OComponentHelper::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(OComponentHelper::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(OComponentHelper::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(OComponentHelper::rBHelper.bDisposed); + Reference< XGeneratedResultSet > xGRes(m_xAggregateAsSet, UNO_QUERY); + + if ( xGRes.is() ) + return xGRes->getGeneratedValues( ); + return Reference< XResultSet >(); +} + + +// OStatement + +OStatement::OStatement( const Reference< XConnection >& _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 "com.sun.star.sdb.OStatement"; +} + +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(OComponentHelper::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(OComponentHelper::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(OComponentHelper::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(OComponentHelper::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(OComponentHelper::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(OComponentHelper::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 Reference< XConnection >( m_xParent, UNO_QUERY ); +} + +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: */ |