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libreoffice/connectivity/source/drivers/ado/AConnection.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

565 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 <sal/config.h>
#include <cstddef>
#include <string_view>
#include <ado/AConnection.hxx>
#include <ado/ADatabaseMetaData.hxx>
#include <ado/ADriver.hxx>
#include <ado/AStatement.hxx>
#include <ado/ACallableStatement.hxx>
#include <ado/APreparedStatement.hxx>
#include <ado/ACatalog.hxx>
#include <com/sun/star/sdbc/ColumnValue.hpp>
#include <com/sun/star/sdbc/TransactionIsolation.hpp>
#include <com/sun/star/sdbc/XRow.hpp>
#include <com/sun/star/lang/DisposedException.hpp>
#include <comphelper/servicehelper.hxx>
#include <connectivity/dbexception.hxx>
#include <o3tl/string_view.hxx>
#include <osl/file.hxx>
#include <systools/win32/oleauto.hxx>
#include <strings.hrc>
using namespace dbtools;
using namespace connectivity::ado;
using namespace com::sun::star::uno;
using namespace com::sun::star::lang;
using namespace com::sun::star::beans;
using namespace com::sun::star::sdbc;
using namespace com::sun::star::sdbcx;
IMPLEMENT_SERVICE_INFO(OConnection,"com.sun.star.sdbcx.AConnection","com.sun.star.sdbc.Connection");
OConnection::OConnection(ODriver* _pDriver)
: m_xCatalog(nullptr),
m_pDriver(_pDriver),
m_nEngineType(0),
m_bClosed(false),
m_bAutocommit(true)
{
osl_atomic_increment( &m_refCount );
sal::systools::COMReference<IClassFactory2> pIUnknown;
if (!FAILED(pIUnknown.CoGetClassObject(ADOS::CLSID_ADOCONNECTION_21, CLSCTX_INPROC_SERVER)))
{
HRESULT hr = pIUnknown->CreateInstanceLic(nullptr,
nullptr,
ADOS::IID_ADOCONNECTION_21,
ADOS::GetKeyStr(),
reinterpret_cast<void**>(&m_aAdoConnection));
if( !FAILED( hr ) )
{
OSL_ENSURE(m_aAdoConnection, "OConnection::OConnection: invalid ADO object!");
}
}
osl_atomic_decrement( &m_refCount );
}
OConnection::~OConnection()
{
}
void OConnection::construct(std::u16string_view url,const Sequence< PropertyValue >& info)
{
osl_atomic_increment( &m_refCount );
setConnectionInfo(info);
std::size_t nLen = url.find(':');
nLen = url.find(':',nLen == std::u16string_view::npos ? 0 : nLen+1);
std::u16string_view aDSN(url.substr(nLen == std::u16string_view::npos ? 0 : nLen+1));
OUString aUID,aPWD;
o3tl::starts_with(aDSN, u"access:", &aDSN);
sal_Int32 nTimeout = 20;
for (const auto& propval : info)
{
if (propval.Name == "Timeout")
propval.Value >>= nTimeout;
else if (propval.Name == "user")
propval.Value >>= aUID;
else if (propval.Name == "password")
propval.Value >>= aPWD;
}
try
{
if(m_aAdoConnection)
{
if(m_aAdoConnection.Open(aDSN,aUID,aPWD,adConnectUnspecified))
m_aAdoConnection.PutCommandTimeout(nTimeout);
else
ADOS::ThrowException(m_aAdoConnection,*this);
if(m_aAdoConnection.get_State() != adStateOpen)
throwGenericSQLException( STR_NO_CONNECTION,*this );
WpADOProperties aProps = m_aAdoConnection.get_Properties();
if(aProps.IsValid())
{
OTools::putValue(aProps, std::u16string_view(u"ACE OLEDB:ODBC Parsing"), true);
OLEVariant aVar(
OTools::getValue(aProps, std::u16string_view(u"ACE OLEDB:Engine Type")));
if(!aVar.isNull() && !aVar.isEmpty())
m_nEngineType = aVar.getInt32();
}
buildTypeInfo();
//bErg = TRUE;
}
else
::dbtools::throwFunctionSequenceException(*this);
}
catch(const Exception& )
{
osl_atomic_decrement( &m_refCount );
throw;
}
osl_atomic_decrement( &m_refCount );
}
Reference< XStatement > SAL_CALL OConnection::createStatement( )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OConnection_BASE::rBHelper.bDisposed);
Reference< XStatement > xStmt = new OStatement(this);
m_aStatements.push_back(WeakReferenceHelper(xStmt));
return xStmt;
}
Reference< XPreparedStatement > SAL_CALL OConnection::prepareStatement( const OUString& sql )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OConnection_BASE::rBHelper.bDisposed);
Reference< XPreparedStatement > xPStmt = new OPreparedStatement(this, sql);
m_aStatements.push_back(WeakReferenceHelper(xPStmt));
return xPStmt;
}
Reference< XPreparedStatement > SAL_CALL OConnection::prepareCall( const OUString& sql )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OConnection_BASE::rBHelper.bDisposed);
Reference< XPreparedStatement > xPStmt = new OCallableStatement(this, sql);
m_aStatements.push_back(WeakReferenceHelper(xPStmt));
return xPStmt;
}
OUString SAL_CALL OConnection::nativeSQL( const OUString& _sql )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OConnection_BASE::rBHelper.bDisposed);
OUString sql = _sql;
WpADOProperties aProps = m_aAdoConnection.get_Properties();
if(aProps.IsValid())
{
OTools::putValue(aProps, std::u16string_view(u"ACE OLEDB:ODBC Parsing"), true);
WpADOCommand aCommand;
aCommand.Create();
aCommand.put_ActiveConnection(static_cast<IDispatch*>(m_aAdoConnection));
aCommand.put_CommandText(sql);
sql = aCommand.get_CommandText();
}
return sql;
}
void SAL_CALL OConnection::setAutoCommit( sal_Bool autoCommit )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OConnection_BASE::rBHelper.bDisposed);
m_bAutocommit = autoCommit;
if(!autoCommit)
m_aAdoConnection.BeginTrans();
else
m_aAdoConnection.RollbackTrans();
}
sal_Bool SAL_CALL OConnection::getAutoCommit( )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OConnection_BASE::rBHelper.bDisposed);
return m_bAutocommit;
}
void SAL_CALL OConnection::commit( )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OConnection_BASE::rBHelper.bDisposed);
m_aAdoConnection.CommitTrans();
}
void SAL_CALL OConnection::rollback( )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OConnection_BASE::rBHelper.bDisposed);
m_aAdoConnection.RollbackTrans();
}
sal_Bool SAL_CALL OConnection::isClosed( )
{
::osl::MutexGuard aGuard( m_aMutex );
return OConnection_BASE::rBHelper.bDisposed && !m_aAdoConnection.get_State();
}
Reference< XDatabaseMetaData > SAL_CALL OConnection::getMetaData( )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OConnection_BASE::rBHelper.bDisposed);
Reference< XDatabaseMetaData > xMetaData = m_xMetaData;
if(!xMetaData.is())
{
xMetaData = new ODatabaseMetaData(this);
m_xMetaData = xMetaData;
}
return xMetaData;
}
void SAL_CALL OConnection::setReadOnly( sal_Bool readOnly )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OConnection_BASE::rBHelper.bDisposed);
m_aAdoConnection.put_Mode(readOnly ? adModeRead : adModeReadWrite);
ADOS::ThrowException(m_aAdoConnection,*this);
}
sal_Bool SAL_CALL OConnection::isReadOnly( )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OConnection_BASE::rBHelper.bDisposed);
return m_aAdoConnection.get_Mode() == adModeRead;
}
void SAL_CALL OConnection::setCatalog( const OUString& catalog )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OConnection_BASE::rBHelper.bDisposed);
m_aAdoConnection.PutDefaultDatabase(catalog);
ADOS::ThrowException(m_aAdoConnection,*this);
}
OUString SAL_CALL OConnection::getCatalog( )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OConnection_BASE::rBHelper.bDisposed);
return m_aAdoConnection.GetDefaultDatabase();
}
void SAL_CALL OConnection::setTransactionIsolation( sal_Int32 level )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OConnection_BASE::rBHelper.bDisposed);
IsolationLevelEnum eIso;
switch(level)
{
case TransactionIsolation::NONE:
eIso = adXactUnspecified;
break;
case TransactionIsolation::READ_UNCOMMITTED:
eIso = adXactReadUncommitted;
break;
case TransactionIsolation::READ_COMMITTED:
eIso = adXactReadCommitted;
break;
case TransactionIsolation::REPEATABLE_READ:
eIso = adXactRepeatableRead;
break;
case TransactionIsolation::SERIALIZABLE:
eIso = adXactSerializable;
break;
default:
OSL_FAIL("OConnection::setTransactionIsolation invalid level");
return;
}
m_aAdoConnection.put_IsolationLevel(eIso);
ADOS::ThrowException(m_aAdoConnection,*this);
}
sal_Int32 SAL_CALL OConnection::getTransactionIsolation( )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OConnection_BASE::rBHelper.bDisposed);
sal_Int32 nRet = 0;
switch(m_aAdoConnection.get_IsolationLevel())
{
case adXactUnspecified:
nRet = TransactionIsolation::NONE;
break;
case adXactReadUncommitted:
nRet = TransactionIsolation::READ_UNCOMMITTED;
break;
case adXactReadCommitted:
nRet = TransactionIsolation::READ_COMMITTED;
break;
case adXactRepeatableRead:
nRet = TransactionIsolation::REPEATABLE_READ;
break;
case adXactSerializable:
nRet = TransactionIsolation::SERIALIZABLE;
break;
default:
OSL_FAIL("OConnection::setTransactionIsolation invalid level");
}
ADOS::ThrowException(m_aAdoConnection,*this);
return nRet;
}
Reference< css::container::XNameAccess > SAL_CALL OConnection::getTypeMap( )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OConnection_BASE::rBHelper.bDisposed);
return nullptr;
}
void SAL_CALL OConnection::setTypeMap( const Reference< css::container::XNameAccess >& /*typeMap*/ )
{
::dbtools::throwFeatureNotImplementedSQLException( "XConnection::setTypeMap", *this );
}
// XCloseable
void SAL_CALL OConnection::close( )
{
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OConnection_BASE::rBHelper.bDisposed);
}
dispose();
}
// XWarningsSupplier
Any SAL_CALL OConnection::getWarnings( )
{
return Any();
}
void SAL_CALL OConnection::clearWarnings( )
{
}
void OConnection::buildTypeInfo()
{
::osl::MutexGuard aGuard( m_aMutex );
ADORecordset *pRecordset = m_aAdoConnection.getTypeInfo();
if ( pRecordset )
{
pRecordset->AddRef();
VARIANT_BOOL bIsAtBOF;
pRecordset->get_BOF(&bIsAtBOF);
bool bOk = true;
if ( bIsAtBOF == VARIANT_TRUE )
bOk = SUCCEEDED(pRecordset->MoveNext());
if ( bOk )
{
// HACK for access
static const char s_sVarChar[] = "VarChar";
do
{
sal_Int32 nPos = 1;
OExtendedTypeInfo* aInfo = new OExtendedTypeInfo;
aInfo->aSimpleType.aTypeName = ADOS::getField(pRecordset,nPos++).get_Value().getString();
aInfo->eType = static_cast<DataTypeEnum>(ADOS::getField(pRecordset,nPos++).get_Value().getInt32());
if ( aInfo->eType == adWChar && aInfo->aSimpleType.aTypeName == s_sVarChar )
aInfo->eType = adVarWChar;
aInfo->aSimpleType.nType = static_cast<sal_Int16>(ADOS::MapADOType2Jdbc(aInfo->eType));
aInfo->aSimpleType.nPrecision = ADOS::getField(pRecordset,nPos++).get_Value().getInt32();
nPos++; // aLiteralPrefix
nPos++; // aLiteralSuffix
nPos++; // aCreateParams
nPos++; // bNullable
nPos++; // bCaseSensitive
nPos++; // nSearchType
nPos++; // bUnsigned
nPos++; // bCurrency
nPos++; // bAutoIncrement
aInfo->aSimpleType.aLocalTypeName = ADOS::getField(pRecordset,nPos++).get_Value().getString();
nPos++; // nMinimumScale
aInfo->aSimpleType.nMaximumScale = ADOS::getField(pRecordset,nPos++).get_Value().getInt16();
if ( adCurrency == aInfo->eType && !aInfo->aSimpleType.nMaximumScale)
{
aInfo->aSimpleType.nMaximumScale = 4;
}
nPos++; // nNumPrecRadix
// Now that we have the type info, save it
// in the Hashtable if we don't already have an
// entry for this SQL type.
m_aTypeInfo.emplace(aInfo->eType,aInfo);
}
while ( SUCCEEDED(pRecordset->MoveNext()) );
}
pRecordset->Release();
}
}
void OConnection::disposing()
{
::osl::MutexGuard aGuard(m_aMutex);
OConnection_BASE::disposing();
m_bClosed = true;
m_xMetaData = css::uno::WeakReference< css::sdbc::XDatabaseMetaData>();
m_xCatalog.clear();
m_pDriver = nullptr;
m_aAdoConnection.Close();
for (auto& rEntry : m_aTypeInfo)
delete rEntry.second;
m_aTypeInfo.clear();
m_aAdoConnection.clear();
}
sal_Int64 SAL_CALL OConnection::getSomething( const css::uno::Sequence< sal_Int8 >& rId )
{
return comphelper::getSomethingImpl(rId, this,
comphelper::FallbackToGetSomethingOf<OConnection_BASE>{});
}
Sequence< sal_Int8 > OConnection::getUnoTunnelId()
{
static const comphelper::UnoIdInit implId;
return implId.getSeq();
}
const OExtendedTypeInfo* OConnection::getTypeInfoFromType(const OTypeInfoMap& _rTypeInfo,
DataTypeEnum _nType,
const OUString& _sTypeName,
sal_Int32 _nPrecision,
sal_Int32 _nScale,
bool& _brForceToType)
{
const OExtendedTypeInfo* pTypeInfo = nullptr;
_brForceToType = false;
// search for type
std::pair<OTypeInfoMap::const_iterator, OTypeInfoMap::const_iterator> aPair = _rTypeInfo.equal_range(_nType);
OTypeInfoMap::const_iterator aIter = aPair.first;
if(aIter != _rTypeInfo.end()) // compare with end is correct here
{
for(;aIter != aPair.second;++aIter)
{
// search the best matching type
OExtendedTypeInfo* pInfo = aIter->second;
if ( ( !_sTypeName.getLength()
|| (pInfo->aSimpleType.aTypeName.equalsIgnoreAsciiCase(_sTypeName))
)
&& (pInfo->aSimpleType.nPrecision >= _nPrecision)
&& (pInfo->aSimpleType.nMaximumScale >= _nScale)
)
break;
}
if (aIter == aPair.second)
{
for(aIter = aPair.first; aIter != aPair.second; ++aIter)
{
// search the best matching type (now comparing the local names)
if ( (aIter->second->aSimpleType.aLocalTypeName.equalsIgnoreAsciiCase(_sTypeName))
&& (aIter->second->aSimpleType.nPrecision >= _nPrecision)
&& (aIter->second->aSimpleType.nMaximumScale >= _nScale)
)
{
// we can not assert here because we could be in d&d
/*
OSL_FAIL(( OString("getTypeInfoFromType: assuming column type ")
+= OString(aIter->second->aTypeName.getStr(), aIter->second->aTypeName.getLength(), osl_getThreadTextEncoding())
+= OString("\" (expected type name ")
+= OString(_sTypeName.getStr(), _sTypeName.getLength(), osl_getThreadTextEncoding())
+= OString(" matches the type's local name).")).getStr());
*/
break;
}
}
}
if (aIter == aPair.second)
{ // no match for the names, no match for the local names
// -> drop the precision and the scale restriction, accept any type with the property
// type id (nType)
// we can not assert here because we could be in d&d
pTypeInfo = aPair.first->second;
_brForceToType = true;
}
else
pTypeInfo = aIter->second;
}
else if ( _sTypeName.getLength() )
{
::comphelper::UStringMixEqual aCase(false);
// search for typeinfo where the typename is equal _sTypeName
OTypeInfoMap::const_iterator aFind = std::find_if(_rTypeInfo.begin(), _rTypeInfo.end(),
[&aCase, &_sTypeName] (const OTypeInfoMap::value_type& typeInfo) {
return aCase(typeInfo.second->getDBName(), _sTypeName);
});
if(aFind != _rTypeInfo.end())
pTypeInfo = aFind->second;
}
// we can not assert here because we could be in d&d
// OSL_ENSURE(pTypeInfo, "getTypeInfoFromType: no type info found for this type!");
return pTypeInfo;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */