1
0
Fork 0
libreoffice/dbaccess/source/core/api/query.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

382 lines
14 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 "query.hxx"
#include <stringconstants.hxx>
#include <connectivity/dbexception.hxx>
#include <connectivity/PColumn.hxx>
#include <connectivity/warningscontainer.hxx>
#include "HelperCollections.hxx"
#include <core_resource.hxx>
#include <strings.hrc>
#include <strings.hxx>
#include <comphelper/diagnose_ex.hxx>
#include <osl/diagnose.h>
#include <com/sun/star/sdbc/XConnection.hpp>
#include <com/sun/star/sdb/XSingleSelectQueryComposer.hpp>
#include <com/sun/star/sdbc/XResultSetMetaDataSupplier.hpp>
#include <com/sun/star/sdb/SQLContext.hpp>
#include <comphelper/property.hxx>
#include <unotools/sharedunocomponent.hxx>
#include <definitioncolumn.hxx>
#include <com/sun/star/beans/PropertyAttribute.hpp>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <ContainerMediator.hxx>
using namespace dbaccess;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::sdbc;
using namespace ::com::sun::star::sdbcx;
using namespace ::com::sun::star::sdb;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::beans;
using namespace ::com::sun::star::container;
using namespace ::comphelper;
using namespace ::osl;
using namespace ::cppu;
using namespace ::utl;
namespace dbaccess
{
// OQuery
OQuery::OQuery( const Reference< XPropertySet >& _rxCommandDefinition
,const Reference< XConnection >& _rxConn
,const Reference< XComponentContext >& _xORB)
:OContentHelper(_xORB,nullptr,std::make_shared<OContentHelper_Impl>())
,OQueryDescriptor_Base(m_aMutex,*this)
,ODataSettings(OContentHelper::rBHelper,true)
,m_xCommandDefinition(_rxCommandDefinition)
,m_xConnection(_rxConn)
,m_pWarnings( nullptr )
,m_eDoingCurrently(AggregateAction::NONE)
{
registerProperties();
ODataSettings::registerPropertiesFor(this);
osl_atomic_increment(&m_refCount);
OSL_ENSURE(m_xCommandDefinition.is(), "OQuery::OQuery : invalid CommandDefinition object !");
if ( m_xCommandDefinition.is() )
{
try
{
::comphelper::copyProperties(_rxCommandDefinition,this);
}
catch(Exception&)
{
TOOLS_WARN_EXCEPTION("dbaccess", "OQueryDescriptor_Base::OQueryDescriptor_Base");
}
m_xCommandDefinition->addPropertyChangeListener(OUString(), this);
// m_xCommandDefinition->addPropertyChangeListener(PROPERTY_NAME, this);
m_xCommandPropInfo = m_xCommandDefinition->getPropertySetInfo();
}
OSL_ENSURE(m_xConnection.is(), "OQuery::OQuery : invalid connection !");
osl_atomic_decrement(&m_refCount);
}
OQuery::~OQuery()
{
}
css::uno::Sequence<sal_Int8> OQuery::getImplementationId()
{
return css::uno::Sequence<sal_Int8>();
}
css::uno::Sequence< css::uno::Type > OQuery::getTypes()
{
return ::comphelper::concatSequences(
OQueryDescriptor_Base::getTypes( ),
ODataSettings::getTypes( ),
OContentHelper::getTypes( )
);
}
IMPLEMENT_FORWARD_XINTERFACE3( OQuery,OContentHelper,OQueryDescriptor_Base,ODataSettings)
void OQuery::rebuildColumns()
{
OSL_PRECOND( getColumnCount() == 0, "OQuery::rebuildColumns: column container should be empty!" );
// the base class' definition of rebuildColumns promised that clearColumns is called before rebuildColumns
try
{
m_pColumnMediator = nullptr;
Reference<XColumnsSupplier> xColSup(m_xCommandDefinition,UNO_QUERY);
Reference< XNameAccess > xColumnDefinitions;
if ( xColSup.is() )
{
xColumnDefinitions = xColSup->getColumns();
if ( xColumnDefinitions.is() )
m_pColumnMediator = new OContainerMediator( m_pColumns.get(), xColumnDefinitions );
}
// fill the columns with columns from the statement
Reference< XMultiServiceFactory > xFactory( m_xConnection, UNO_QUERY_THROW );
SharedUNOComponent< XSingleSelectQueryComposer, DisposableComponent > xComposer(
Reference< XSingleSelectQueryComposer >( xFactory->createInstance( SERVICE_NAME_SINGLESELECTQUERYCOMPOSER ), UNO_QUERY_THROW ) );
Reference< XNameAccess > xColumns;
Reference< XIndexAccess > xColumnsIndexed;
try
{
xComposer->setQuery( m_sCommand );
Reference< XColumnsSupplier > xCols( xComposer, UNO_QUERY_THROW );
xColumns.set( xCols->getColumns(), UNO_SET_THROW );
xColumnsIndexed.set( xColumns, UNO_QUERY_THROW );
}
catch( const SQLException& ) { }
SharedUNOComponent< XPreparedStatement, DisposableComponent > xPreparedStatement;
if ( !xColumns.is() || ( xColumnsIndexed->getCount() == 0 ) )
{ // the QueryComposer could not parse it. Try a lean version.
xPreparedStatement.set( m_xConnection->prepareStatement( m_sCommand ), UNO_QUERY_THROW );
Reference< XResultSetMetaDataSupplier > xResMetaDataSup( xPreparedStatement, UNO_QUERY_THROW );
Reference< XResultSetMetaData > xResultSetMeta( xResMetaDataSup->getMetaData() );
if ( !xResultSetMeta.is() )
{
OUString sError( DBA_RES( RID_STR_STATEMENT_WITHOUT_RESULT_SET ) );
::dbtools::throwSQLException( sError, StandardSQLState::GENERAL_ERROR, *this );
}
Reference< XDatabaseMetaData > xDBMeta( m_xConnection->getMetaData(), UNO_SET_THROW );
::rtl::Reference< OSQLColumns > aParseColumns(
::connectivity::parse::OParseColumn::createColumnsForResultSet( xResultSetMeta, xDBMeta,xColumnDefinitions ) );
xColumns = OPrivateColumns::createWithIntrinsicNames(
aParseColumns, xDBMeta->supportsMixedCaseQuotedIdentifiers(), *this, m_aMutex ).release();
if ( !xColumns.is() )
throw RuntimeException();
}
const Sequence<OUString> aColNames = xColumns->getElementNames();
for ( const OUString& rName : aColNames )
{
Reference<XPropertySet> xSource(xColumns->getByName( rName ),UNO_QUERY);
OUString sLabel = rName;
if ( xColumnDefinitions.is() && xColumnDefinitions->hasByName(rName) )
{
Reference<XPropertySet> xCommandColumn(xColumnDefinitions->getByName( rName ),UNO_QUERY);
xCommandColumn->getPropertyValue(PROPERTY_LABEL) >>= sLabel;
}
rtl::Reference<OQueryColumn> pColumn = new OQueryColumn( xSource, m_xConnection, sLabel);
pColumn->setParent( *this );
implAppendColumn( rName, pColumn.get() );
Reference< XPropertySet > xDest( *pColumn, UNO_QUERY_THROW );
if ( m_pColumnMediator.is() )
m_pColumnMediator->notifyElementCreated( rName, xDest );
}
}
catch( const SQLContext& e )
{
if ( m_pWarnings )
m_pWarnings->appendWarning( e );
}
catch( const SQLWarning& e )
{
if ( m_pWarnings )
m_pWarnings->appendWarning( e );
}
catch( const SQLException& e )
{
if ( m_pWarnings )
m_pWarnings->appendWarning( e );
}
catch( const Exception& )
{
DBG_UNHANDLED_EXCEPTION("dbaccess");
}
}
// XServiceInfo
OUString SAL_CALL OQuery::getImplementationName()
{
return u"com.sun.star.sdb.dbaccess.OQuery"_ustr;
}
sal_Bool SAL_CALL OQuery::supportsService(const OUString& _rServiceName)
{
const css::uno::Sequence< OUString > aSupported(getSupportedServiceNames());
for (const OUString& s : aSupported)
if (s == _rServiceName)
return true;
return false;
}
css::uno::Sequence< OUString > SAL_CALL OQuery::getSupportedServiceNames( )
{
return { SERVICE_SDB_DATASETTINGS, SERVICE_SDB_QUERY, u"com.sun.star.sdb.QueryDefinition"_ustr };
}
// css::beans::XPropertyChangeListener
void SAL_CALL OQuery::propertyChange( const PropertyChangeEvent& _rSource )
{
sal_Int32 nOwnHandle = -1;
{
MutexGuard aGuard(m_aMutex);
OSL_ENSURE(_rSource.Source.get() == Reference< XInterface >(m_xCommandDefinition, UNO_QUERY).get(),
"OQuery::propertyChange : where did this call come from ?");
if (m_eDoingCurrently == AggregateAction::SettingProperties)
// we're setting the property ourself, so we will do the necessary notifications later
return;
// forward this to our own member holding a copy of the property value
if (getArrayHelper()->hasPropertyByName(_rSource.PropertyName))
{
Property aOwnProp = getArrayHelper()->getPropertyByName(_rSource.PropertyName);
nOwnHandle = aOwnProp.Handle;
ODataSettings::setFastPropertyValue_NoBroadcast(nOwnHandle, _rSource.NewValue);
// don't use our own setFastPropertyValue_NoBroadcast, this would forward it to the CommandSettings,
// again
// and don't use the "real" setPropertyValue, this is too expensive and not sure to succeed
}
else
{
OSL_FAIL("OQuery::propertyChange : my CommandDefinition has more properties than I do !");
}
}
fire(&nOwnHandle, &_rSource.NewValue, &_rSource.OldValue, 1, false);
}
void SAL_CALL OQuery::disposing( const EventObject& _rSource )
{
MutexGuard aGuard(m_aMutex);
OSL_ENSURE(_rSource.Source.get() == Reference< XInterface >(m_xCommandDefinition, UNO_QUERY).get(),
"OQuery::disposing : where did this call come from ?");
m_xCommandDefinition->removePropertyChangeListener(OUString(), this);
m_xCommandDefinition = nullptr;
}
// XDataDescriptorFactory
Reference< XPropertySet > SAL_CALL OQuery::createDataDescriptor( )
{
return new OQueryDescriptor(*this);
}
// pseudo-XComponent
void SAL_CALL OQuery::disposing()
{
MutexGuard aGuard(m_aMutex);
if (m_xCommandDefinition.is())
{
m_xCommandDefinition->removePropertyChangeListener(OUString(), this);
m_xCommandDefinition = nullptr;
}
disposeColumns();
m_pWarnings = nullptr;
}
void OQuery::setFastPropertyValue_NoBroadcast( sal_Int32 _nHandle, const Any& _rValue )
{
ODataSettings::setFastPropertyValue_NoBroadcast(_nHandle, _rValue);
OUString sAggPropName;
sal_Int16 nAttr = 0;
if (getInfoHelper().fillPropertyMembersByHandle(&sAggPropName,&nAttr,_nHandle) &&
m_xCommandPropInfo.is() &&
m_xCommandPropInfo->hasPropertyByName(sAggPropName))
{ // the base class holds the property values itself, but we have to forward this to our CommandDefinition
m_eDoingCurrently = AggregateAction::SettingProperties;
OAutoActionReset aAutoReset(*this);
m_xCommandDefinition->setPropertyValue(sAggPropName, _rValue);
if ( PROPERTY_ID_COMMAND == _nHandle )
// the columns are out of date if we are based on a new statement...
setColumnsOutOfDate();
}
}
Reference< XPropertySetInfo > SAL_CALL OQuery::getPropertySetInfo( )
{
return createPropertySetInfo( getInfoHelper() ) ;
}
::cppu::IPropertyArrayHelper& OQuery::getInfoHelper()
{
return *getArrayHelper();
}
::cppu::IPropertyArrayHelper* OQuery::createArrayHelper( ) const
{
Sequence< Property > aProps;
// our own props
describeProperties(aProps);
return new ::cppu::OPropertyArrayHelper(aProps);
}
rtl::Reference<OColumn> OQuery::createColumn(const OUString& /*_rName*/) const
{
return nullptr;
}
void SAL_CALL OQuery::rename( const OUString& newName )
{
MutexGuard aGuard(m_aMutex);
Reference<XRename> xRename(m_xCommandDefinition,UNO_QUERY);
OSL_ENSURE(xRename.is(),"No XRename interface!");
if(xRename.is())
xRename->rename(newName);
}
void OQuery::registerProperties()
{
// the properties which OCommandBase supplies (it has no own registration, as it's not derived from
// an OPropertyStateContainer)
registerProperty(PROPERTY_NAME, PROPERTY_ID_NAME, PropertyAttribute::BOUND|PropertyAttribute::CONSTRAINED,
&m_sElementName, cppu::UnoType<decltype(m_sElementName)>::get());
registerProperty(PROPERTY_COMMAND, PROPERTY_ID_COMMAND, PropertyAttribute::BOUND,
&m_sCommand, cppu::UnoType<decltype(m_sCommand)>::get());
registerProperty(PROPERTY_ESCAPE_PROCESSING, PROPERTY_ID_ESCAPE_PROCESSING, PropertyAttribute::BOUND,
&m_bEscapeProcessing, cppu::UnoType<bool>::get());
registerProperty(PROPERTY_UPDATE_TABLENAME, PROPERTY_ID_UPDATE_TABLENAME, PropertyAttribute::BOUND,
&m_sUpdateTableName, cppu::UnoType<decltype(m_sUpdateTableName)>::get());
registerProperty(PROPERTY_UPDATE_SCHEMANAME, PROPERTY_ID_UPDATE_SCHEMANAME, PropertyAttribute::BOUND,
&m_sUpdateSchemaName, cppu::UnoType<decltype(m_sUpdateSchemaName)>::get());
registerProperty(PROPERTY_UPDATE_CATALOGNAME, PROPERTY_ID_UPDATE_CATALOGNAME, PropertyAttribute::BOUND,
&m_sUpdateCatalogName, cppu::UnoType<decltype(m_sUpdateCatalogName)>::get());
registerProperty(PROPERTY_LAYOUTINFORMATION, PROPERTY_ID_LAYOUTINFORMATION, PropertyAttribute::BOUND,
&m_aLayoutInformation, cppu::UnoType<decltype(m_aLayoutInformation)>::get());
}
OUString OQuery::determineContentType() const
{
return u"application/vnd.org.openoffice.DatabaseQuery"_ustr;
}
} // namespace dbaccess
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */