AOO410/main/connectivity/source/drivers/odbcbase/OConnection.cxx

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 * 
 * 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
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_connectivity.hxx"
#include "odbc/OTools.hxx"
#include "odbc/OConnection.hxx"
#include "odbc/ODatabaseMetaData.hxx"
#include "odbc/OFunctions.hxx"
#include "odbc/ODriver.hxx"
#include "odbc/OStatement.hxx"
#include "odbc/OPreparedStatement.hxx"
#include <com/sun/star/sdbc/ColumnValue.hpp>
#include <com/sun/star/sdbc/XRow.hpp>
#include <com/sun/star/lang/DisposedException.hpp>
#include <connectivity/dbcharset.hxx>
#include <connectivity/FValue.hxx>
#include <comphelper/extract.hxx>
#include "diagnose_ex.h"
#include <connectivity/dbexception.hxx>

#include <string.h>

using namespace connectivity::odbc;
using namespace connectivity;
using namespace dbtools;

//------------------------------------------------------------------------------
using namespace com::sun::star::uno;
using namespace com::sun::star::lang;
using namespace com::sun::star::beans;
using namespace com::sun::star::sdbc;
// --------------------------------------------------------------------------------
OConnection::OConnection(const SQLHANDLE _pDriverHandle,ODBCDriver*	_pDriver)
						 : OSubComponent<OConnection, OConnection_BASE>((::cppu::OWeakObject*)_pDriver, this)
                         ,m_pDriver(_pDriver)
						 ,m_pDriverHandleCopy(_pDriverHandle)
                         ,m_nStatementCount(0)
						 ,m_bClosed(sal_True)
                         ,m_bUseCatalog(sal_False)
                         ,m_bUseOldDateFormat(sal_False)
						 ,m_bParameterSubstitution(sal_False)
						 ,m_bIgnoreDriverPrivileges(sal_False)
                         ,m_bPreventGetVersionColumns(sal_False)
                         ,m_bReadOnly(sal_True)
{
	m_pDriver->acquire();
}
//-----------------------------------------------------------------------------
OConnection::~OConnection()
{
	if(!isClosed(  ))
		close();

	if ( SQL_NULL_HANDLE != m_aConnectionHandle )
		N3SQLFreeHandle( SQL_HANDLE_DBC, m_aConnectionHandle );
	m_aConnectionHandle = SQL_NULL_HANDLE;

	m_pDriver->release();
	m_pDriver = NULL;
}
//-----------------------------------------------------------------------------
void SAL_CALL OConnection::release() throw()
{
	relase_ChildImpl();
}
// -----------------------------------------------------------------------------
oslGenericFunction OConnection::getOdbcFunction(sal_Int32 _nIndex)  const
{
	OSL_ENSURE(m_pDriver,"OConnection::getOdbcFunction: m_pDriver is null!");
	return m_pDriver->getOdbcFunction(_nIndex);
}
//-----------------------------------------------------------------------------
SQLRETURN OConnection::OpenConnection(const ::rtl::OUString& aConnectStr,sal_Int32 nTimeOut, sal_Bool bSilent)
{
	::osl::MutexGuard aGuard( m_aMutex );

	if (m_aConnectionHandle == SQL_NULL_HANDLE)
		return -1;

	SQLRETURN nSQLRETURN = 0;
	SDB_ODBC_CHAR szConnStrOut[4096];
	SDB_ODBC_CHAR szConnStrIn[2048];
	SQLSMALLINT cbConnStrOut;
	memset(szConnStrOut,'\0',4096);
	memset(szConnStrIn,'\0',2048);
	::rtl::OString aConStr(::rtl::OUStringToOString(aConnectStr,getTextEncoding()));
	memcpy(szConnStrIn, (SDB_ODBC_CHAR*) aConStr.getStr(), ::std::min<sal_Int32>((sal_Int32)2048,aConStr.getLength()));

#ifndef MACOSX
	N3SQLSetConnectAttr(m_aConnectionHandle,SQL_ATTR_LOGIN_TIMEOUT,(SQLPOINTER)nTimeOut,SQL_IS_UINTEGER);
	// Verbindung aufbauen
#endif

#ifdef LINUX
    OSL_UNUSED( bSilent );
	nSQLRETURN = N3SQLDriverConnect(m_aConnectionHandle,
					  NULL,
					  szConnStrIn,
					  (SQLSMALLINT) ::std::min((sal_Int32)2048,aConStr.getLength()),
					  szConnStrOut,
					  (SQLSMALLINT) (sizeof(szConnStrOut)/sizeof(SDB_ODBC_CHAR)) -1,
					  &cbConnStrOut,
					  SQL_DRIVER_NOPROMPT);
	if (nSQLRETURN == SQL_ERROR || nSQLRETURN == SQL_NO_DATA || SQL_SUCCESS_WITH_INFO == nSQLRETURN)
		return nSQLRETURN;
#else

	SQLUSMALLINT nSilent =  bSilent ? SQL_DRIVER_NOPROMPT : SQL_DRIVER_COMPLETE;
	nSQLRETURN = N3SQLDriverConnect(m_aConnectionHandle,
					  NULL,
					  szConnStrIn,
					  (SQLSMALLINT) ::std::min<sal_Int32>((sal_Int32)2048,aConStr.getLength()),
					  szConnStrOut,
					  (SQLSMALLINT) sizeof szConnStrOut,
					  &cbConnStrOut,
					  nSilent);
	if (nSQLRETURN == SQL_ERROR || nSQLRETURN == SQL_NO_DATA)
		return nSQLRETURN;

	m_bClosed = sal_False;

#endif //LINUX

	try
	{
		::rtl::OUString aVal;
		OTools::GetInfo(this,m_aConnectionHandle,SQL_DATA_SOURCE_READ_ONLY,aVal,*this,getTextEncoding());
		m_bReadOnly = !aVal.compareToAscii("Y");
	}
	catch(Exception&)
	{
		m_bReadOnly = sal_True;
	}
	try
	{
		::rtl::OUString sVersion;
		OTools::GetInfo(this,m_aConnectionHandle,SQL_DRIVER_ODBC_VER,sVersion,*this,getTextEncoding());
		m_bUseOldDateFormat	=  sVersion == ::rtl::OUString::createFromAscii("02.50") || sVersion == ::rtl::OUString::createFromAscii("02.00");
	}
	catch(Exception&)
	{
	}


	// autocoomit ist immer default

	if (!m_bReadOnly)
		N3SQLSetConnectAttr(m_aConnectionHandle,SQL_ATTR_AUTOCOMMIT,(SQLPOINTER)SQL_AUTOCOMMIT_ON,SQL_IS_INTEGER);

	return nSQLRETURN;
}
//-----------------------------------------------------------------------------
SQLRETURN OConnection::Construct(const ::rtl::OUString& url,const Sequence< PropertyValue >& info)  throw(SQLException)
{
	m_aConnectionHandle  = SQL_NULL_HANDLE;
	m_sURL	= url;
	setConnectionInfo(info);

	// Connection allozieren
	N3SQLAllocHandle(SQL_HANDLE_DBC,m_pDriverHandleCopy,&m_aConnectionHandle);
	if(m_aConnectionHandle == SQL_NULL_HANDLE)
		throw SQLException();

	sal_Int32 nLen = url.indexOf(':');
	nLen = url.indexOf(':',nLen+1);
	::rtl::OUString aDSN(RTL_CONSTASCII_USTRINGPARAM("DSN=")), aUID, aPWD, aSysDrvSettings;
	aDSN += url.copy(nLen+1);

	const char* pUser		= "user";
	const char* pTimeout	= "Timeout";
	const char* pSilent		= "Silent";
	const char* pPwd		= "password";
	const char* pUseCatalog = "UseCatalog";
	const char* pSysDrv		= "SystemDriverSettings";
	const char* pCharSet	= "CharSet";
	const char* pParaName	= "ParameterNameSubstitution";
	const char* pPrivName	= "IgnoreDriverPrivileges";
    const char* pVerColName = "PreventGetVersionColumns";   // #i60273#
	const char* pRetrieving	= "IsAutoRetrievingEnabled";
	const char* pRetriStmt	= "AutoRetrievingStatement";

	sal_Int32 nTimeout = 20;
	sal_Bool bSilent = sal_True;
	const PropertyValue *pBegin	= info.getConstArray();
	const PropertyValue *pEnd	= pBegin + info.getLength();
	for(;pBegin != pEnd;++pBegin)
	{
		if(!pBegin->Name.compareToAscii(pTimeout))
			OSL_VERIFY( pBegin->Value >>= nTimeout );
		else if(!pBegin->Name.compareToAscii(pSilent))
			OSL_VERIFY( pBegin->Value >>= bSilent );
		else if(!pBegin->Name.compareToAscii(pPrivName))
			OSL_VERIFY( pBegin->Value >>= m_bIgnoreDriverPrivileges );
        else if(!pBegin->Name.compareToAscii(pVerColName))
            OSL_VERIFY( pBegin->Value >>= m_bPreventGetVersionColumns );
		else if(!pBegin->Name.compareToAscii(pParaName))
			OSL_VERIFY( pBegin->Value >>= m_bParameterSubstitution );
		else if(!pBegin->Name.compareToAscii(pRetrieving))
		{
			sal_Bool bAutoRetrievingEnabled = sal_False;
			OSL_VERIFY( pBegin->Value >>= bAutoRetrievingEnabled );
			enableAutoRetrievingEnabled(bAutoRetrievingEnabled);
		}
		else if(!pBegin->Name.compareToAscii(pRetriStmt))
		{
			::rtl::OUString sGeneratedValueStatement;
			OSL_VERIFY( pBegin->Value >>= sGeneratedValueStatement );
			setAutoRetrievingStatement(sGeneratedValueStatement);
		}
		else if(!pBegin->Name.compareToAscii(pUser))
		{
			OSL_VERIFY( pBegin->Value >>= aUID );
			aDSN = aDSN + ::rtl::OUString::createFromAscii(";UID=") + aUID;
		}
		else if(!pBegin->Name.compareToAscii(pPwd))
		{
			OSL_VERIFY( pBegin->Value >>= aPWD );
			aDSN = aDSN + ::rtl::OUString::createFromAscii(";PWD=") + aPWD;
		}
		else if(!pBegin->Name.compareToAscii(pUseCatalog))
		{
			 OSL_VERIFY( pBegin->Value >>= m_bUseCatalog );
		}
		else if(!pBegin->Name.compareToAscii(pSysDrv))
		{
			OSL_VERIFY( pBegin->Value >>= aSysDrvSettings );
			aDSN += ::rtl::OUString::createFromAscii(";");
			aDSN += aSysDrvSettings;
		}
		else if(0 == pBegin->Name.compareToAscii(pCharSet))
		{
			::rtl::OUString sIanaName;
			OSL_VERIFY( pBegin->Value >>= sIanaName );

			::dbtools::OCharsetMap aLookupIanaName;
			::dbtools::OCharsetMap::const_iterator aLookup = aLookupIanaName.find(sIanaName, ::dbtools::OCharsetMap::IANA());
			if (aLookup != aLookupIanaName.end())
				m_nTextEncoding = (*aLookup).getEncoding();
			else
				m_nTextEncoding = RTL_TEXTENCODING_DONTKNOW;
			if(m_nTextEncoding == RTL_TEXTENCODING_DONTKNOW)
				m_nTextEncoding = osl_getThreadTextEncoding();
		}
	}
	m_sUser = aUID;

	SQLRETURN nSQLRETURN = OpenConnection(aDSN,nTimeout, bSilent);
	if (nSQLRETURN == SQL_ERROR || nSQLRETURN == SQL_NO_DATA)
	{
		OTools::ThrowException(this,nSQLRETURN,m_aConnectionHandle,SQL_HANDLE_DBC,*this,sal_False);
	}
	return nSQLRETURN;
}
// XServiceInfo
// --------------------------------------------------------------------------------
IMPLEMENT_SERVICE_INFO(OConnection, "com.sun.star.sdbc.drivers.odbc.OConnection", "com.sun.star.sdbc.Connection")

// --------------------------------------------------------------------------------
Reference< XStatement > SAL_CALL OConnection::createStatement(  ) throw(SQLException, RuntimeException)
{
	::osl::MutexGuard aGuard( m_aMutex );
	checkDisposed(OConnection_BASE::rBHelper.bDisposed);

	Reference< XStatement > xReturn = new OStatement(this);
	m_aStatements.push_back(WeakReferenceHelper(xReturn));
	return xReturn;
}
// --------------------------------------------------------------------------------
Reference< XPreparedStatement > SAL_CALL OConnection::prepareStatement( const ::rtl::OUString& sql ) throw(SQLException, RuntimeException)
{
	::osl::MutexGuard aGuard( m_aMutex );
	checkDisposed(OConnection_BASE::rBHelper.bDisposed);

	Reference< XPreparedStatement > xReturn = new OPreparedStatement(this,sql);
	m_aStatements.push_back(WeakReferenceHelper(xReturn));
	return xReturn;
}
// --------------------------------------------------------------------------------
Reference< XPreparedStatement > SAL_CALL OConnection::prepareCall( const ::rtl::OUString& /*sql*/ ) throw(SQLException, RuntimeException)
{
    ::dbtools::throwFeatureNotImplementedException( "XConnection::prepareCall", *this );
    return NULL;
}
// --------------------------------------------------------------------------------
::rtl::OUString SAL_CALL OConnection::nativeSQL( const ::rtl::OUString& sql ) throw(SQLException, RuntimeException)
{
	::osl::MutexGuard aGuard( m_aMutex );

	::rtl::OString aSql(::rtl::OUStringToOString(sql.getStr(),getTextEncoding()));
	char pOut[2048];
	SQLINTEGER nOutLen;
	OTools::ThrowException(this,N3SQLNativeSql(m_aConnectionHandle,(SDB_ODBC_CHAR*)aSql.getStr(),aSql.getLength(),(SDB_ODBC_CHAR*)pOut,sizeof pOut - 1,&nOutLen),m_aConnectionHandle,SQL_HANDLE_DBC,*this);
	return ::rtl::OUString(pOut,nOutLen,getTextEncoding());
}
// --------------------------------------------------------------------------------
void SAL_CALL OConnection::setAutoCommit( sal_Bool autoCommit ) throw(SQLException, RuntimeException)
{
	::osl::MutexGuard aGuard( m_aMutex );
	checkDisposed(OConnection_BASE::rBHelper.bDisposed);


	OTools::ThrowException(this,N3SQLSetConnectAttr(m_aConnectionHandle,
								   SQL_ATTR_AUTOCOMMIT,
								   (SQLPOINTER)((autoCommit) ? SQL_AUTOCOMMIT_ON : SQL_AUTOCOMMIT_OFF) ,SQL_IS_INTEGER),
								   m_aConnectionHandle,SQL_HANDLE_DBC,*this);
}
// --------------------------------------------------------------------------------
sal_Bool SAL_CALL OConnection::getAutoCommit(  ) throw(SQLException, RuntimeException)
{
	::osl::MutexGuard aGuard( m_aMutex );
	checkDisposed(OConnection_BASE::rBHelper.bDisposed);


	sal_uInt32 nOption = 0;
	OTools::ThrowException(this,N3SQLGetConnectAttr(m_aConnectionHandle,
								   SQL_ATTR_AUTOCOMMIT, &nOption,0,0),m_aConnectionHandle,SQL_HANDLE_DBC,*this);
	return nOption == SQL_AUTOCOMMIT_ON ;
}
// --------------------------------------------------------------------------------
void SAL_CALL OConnection::commit(  ) throw(SQLException, RuntimeException)
{
	::osl::MutexGuard aGuard( m_aMutex );
	checkDisposed(OConnection_BASE::rBHelper.bDisposed);


	OTools::ThrowException(this,N3SQLEndTran(SQL_HANDLE_DBC,m_aConnectionHandle,SQL_COMMIT),m_aConnectionHandle,SQL_HANDLE_DBC,*this);
}
// --------------------------------------------------------------------------------
void SAL_CALL OConnection::rollback(  ) throw(SQLException, RuntimeException)
{
	::osl::MutexGuard aGuard( m_aMutex );
	checkDisposed(OConnection_BASE::rBHelper.bDisposed);


	OTools::ThrowException(this,N3SQLEndTran(SQL_HANDLE_DBC,m_aConnectionHandle,SQL_ROLLBACK),m_aConnectionHandle,SQL_HANDLE_DBC,*this);
}
// --------------------------------------------------------------------------------
sal_Bool SAL_CALL OConnection::isClosed(  ) throw(SQLException, RuntimeException)
{
	::osl::MutexGuard aGuard( m_aMutex );

	return OConnection_BASE::rBHelper.bDisposed;
}
// --------------------------------------------------------------------------------
Reference< XDatabaseMetaData > SAL_CALL OConnection::getMetaData(  ) throw(SQLException, RuntimeException)
{
	::osl::MutexGuard aGuard( m_aMutex );
	checkDisposed(OConnection_BASE::rBHelper.bDisposed);

	Reference< XDatabaseMetaData > xMetaData = m_xMetaData;
	if(!xMetaData.is())
	{
		xMetaData = new ODatabaseMetaData(m_aConnectionHandle,this);
		m_xMetaData = xMetaData;
	}

	return xMetaData;
}
// --------------------------------------------------------------------------------
void SAL_CALL OConnection::setReadOnly( sal_Bool readOnly ) throw(SQLException, RuntimeException)
{
	::osl::MutexGuard aGuard( m_aMutex );
	checkDisposed(OConnection_BASE::rBHelper.bDisposed);


	OTools::ThrowException(this,
        N3SQLSetConnectAttr(m_aConnectionHandle,SQL_ATTR_ACCESS_MODE,reinterpret_cast< SQLPOINTER >( readOnly ),SQL_IS_INTEGER),
		m_aConnectionHandle,SQL_HANDLE_DBC,*this);
}
// --------------------------------------------------------------------------------
sal_Bool SAL_CALL OConnection::isReadOnly() throw(SQLException, RuntimeException)
{
	// const member which will initialized only once
	return m_bReadOnly;
}
// --------------------------------------------------------------------------------
void SAL_CALL OConnection::setCatalog( const ::rtl::OUString& catalog ) throw(SQLException, RuntimeException)
{
	::osl::MutexGuard aGuard( m_aMutex );
	checkDisposed(OConnection_BASE::rBHelper.bDisposed);


	::rtl::OString aCat(::rtl::OUStringToOString(catalog.getStr(),getTextEncoding()));
	OTools::ThrowException(this,
		N3SQLSetConnectAttr(m_aConnectionHandle,SQL_ATTR_CURRENT_CATALOG,(SDB_ODBC_CHAR*)aCat.getStr(),SQL_NTS),
		m_aConnectionHandle,SQL_HANDLE_DBC,*this);
}
// --------------------------------------------------------------------------------
::rtl::OUString SAL_CALL OConnection::getCatalog(  ) throw(SQLException, RuntimeException)
{
	::osl::MutexGuard aGuard( m_aMutex );
	checkDisposed(OConnection_BASE::rBHelper.bDisposed);


	sal_Int32 nValueLen;
	char pCat[1024];
	OTools::ThrowException(this,
		N3SQLGetConnectAttr(m_aConnectionHandle,SQL_ATTR_CURRENT_CATALOG,(SDB_ODBC_CHAR*)pCat,(sizeof pCat)-1,&nValueLen),
		m_aConnectionHandle,SQL_HANDLE_DBC,*this);

	return ::rtl::OUString(pCat,nValueLen,getTextEncoding());
}
// --------------------------------------------------------------------------------
void SAL_CALL OConnection::setTransactionIsolation( sal_Int32 level ) throw(SQLException, RuntimeException)
{
	::osl::MutexGuard aGuard( m_aMutex );
	checkDisposed(OConnection_BASE::rBHelper.bDisposed);


	OTools::ThrowException(this,N3SQLSetConnectAttr(m_aConnectionHandle,
								   SQL_ATTR_TXN_ISOLATION,
								   (SQLPOINTER)level,SQL_IS_INTEGER),
								   m_aConnectionHandle,SQL_HANDLE_DBC,*this);
}
// --------------------------------------------------------------------------------
sal_Int32 SAL_CALL OConnection::getTransactionIsolation(  ) throw(SQLException, RuntimeException)
{
	::osl::MutexGuard aGuard( m_aMutex );
	checkDisposed(OConnection_BASE::rBHelper.bDisposed);


	sal_Int32 nTxn = 0;
	SQLINTEGER nValueLen;
	OTools::ThrowException(this,
		N3SQLGetConnectAttr(m_aConnectionHandle,SQL_ATTR_TXN_ISOLATION,&nTxn,sizeof nTxn,&nValueLen),
		m_aConnectionHandle,SQL_HANDLE_DBC,*this);
	return nTxn;
}
// --------------------------------------------------------------------------------
Reference< ::com::sun::star::container::XNameAccess > SAL_CALL OConnection::getTypeMap(  ) throw(SQLException, RuntimeException)
{
	::osl::MutexGuard aGuard( m_aMutex );
	checkDisposed(OConnection_BASE::rBHelper.bDisposed);


	return NULL;
}
// --------------------------------------------------------------------------------
void SAL_CALL OConnection::setTypeMap( const Reference< ::com::sun::star::container::XNameAccess >& /*typeMap*/ ) throw(SQLException, RuntimeException)
{
    ::dbtools::throwFeatureNotImplementedException( "XConnection::setTypeMap", *this );
}
// --------------------------------------------------------------------------------
// XCloseable
void SAL_CALL OConnection::close(  ) throw(SQLException, RuntimeException)
{
	{
		::osl::MutexGuard aGuard( m_aMutex );
		checkDisposed(OConnection_BASE::rBHelper.bDisposed);

	}
	dispose();
}
// --------------------------------------------------------------------------------
// XWarningsSupplier
Any SAL_CALL OConnection::getWarnings(  ) throw(SQLException, RuntimeException)
{
	return Any();
}
// --------------------------------------------------------------------------------
void SAL_CALL OConnection::clearWarnings(  ) throw(SQLException, RuntimeException)
{
}
//--------------------------------------------------------------------
void OConnection::buildTypeInfo() throw( SQLException)
{
	::osl::MutexGuard aGuard( m_aMutex );

	Reference< XResultSet> xRs = getMetaData ()->getTypeInfo ();
	if(xRs.is())
	{
		Reference< XRow> xRow(xRs,UNO_QUERY);
		// Information for a single SQL type
		
		::connectivity::ORowSetValue aValue;
		::std::vector<sal_Int32> aTypes;
		Reference<XResultSetMetaData> xResultSetMetaData = Reference<XResultSetMetaDataSupplier>(xRs,UNO_QUERY)->getMetaData();
        sal_Int32 nCount = xResultSetMetaData->getColumnCount();
		// Loop on the result set until we reach end of file
		while (xRs->next ()) 
		{
			OTypeInfo aInfo;
			sal_Int32 nPos = 1;
            if ( aTypes.empty() )
            {
                if ( nCount < 1 )
                    nCount = 18;
                aTypes.reserve(nCount+1);
                aTypes.push_back(-1);
                for (sal_Int32 j = 1; j <= nCount ; ++j)
                    aTypes.push_back(xResultSetMetaData->getColumnType(j));
            }

            aValue.fill(nPos,aTypes[nPos],xRow);
			aInfo.aTypeName		= aValue;
			++nPos;
            aValue.fill(nPos,aTypes[nPos],xRow);
			aInfo.nType			= aValue;
			++nPos;
            aValue.fill(nPos,aTypes[nPos],xRow);
			aInfo.nPrecision		= aValue;
			++nPos;
            aValue.fill(nPos,aTypes[nPos],xRow);
			aInfo.aLiteralPrefix	= aValue;
			++nPos;
            aValue.fill(nPos,aTypes[nPos],xRow);
			aInfo.aLiteralSuffix	= aValue;
			++nPos;
            aValue.fill(nPos,aTypes[nPos],xRow);
			aInfo.aCreateParams	= aValue;
			++nPos;
            aValue.fill(nPos,aTypes[nPos],xRow);
			aInfo.bNullable		= (sal_Int32)aValue == ColumnValue::NULLABLE;
			++nPos;
            aValue.fill(nPos,aTypes[nPos],xRow);
			aInfo.bCaseSensitive	= (sal_Bool)aValue;
			++nPos;
            aValue.fill(nPos,aTypes[nPos],xRow);
			aInfo.nSearchType		= aValue;
			++nPos;
            aValue.fill(nPos,aTypes[nPos],xRow);
			aInfo.bUnsigned		= (sal_Bool)aValue;
			++nPos;
            aValue.fill(nPos,aTypes[nPos],xRow);
			aInfo.bCurrency		= (sal_Bool)aValue;
			++nPos;
            aValue.fill(nPos,aTypes[nPos],xRow);
			aInfo.bAutoIncrement	= (sal_Bool)aValue;
			++nPos;
            aValue.fill(nPos,aTypes[nPos],xRow);
			aInfo.aLocalTypeName	= aValue;
			++nPos;
            aValue.fill(nPos,aTypes[nPos],xRow);
			aInfo.nMinimumScale	= aValue;
			++nPos;
            aValue.fill(nPos,aTypes[nPos],xRow);
			aInfo.nMaximumScale	= aValue;
            if ( nCount >= 18 )
            {
                nPos = 18;
                aValue.fill(nPos,aTypes[nPos],xRow);
			    aInfo.nNumPrecRadix	= aValue;
            }

			// check if values are less than zero like it happens in a oracle jdbc driver
			if( aInfo.nPrecision < 0)
				aInfo.nPrecision = 0;
			if( aInfo.nMinimumScale < 0)
				aInfo.nMinimumScale = 0;
			if( aInfo.nMaximumScale < 0)
				aInfo.nMaximumScale = 0;
			if( aInfo.nNumPrecRadix < 0)
				aInfo.nNumPrecRadix = 10;

			// 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.push_back(aInfo);
		}

		// Close the result set/statement.

		Reference< XCloseable> xClose(xRs,UNO_QUERY);
		if(xClose.is())
			xClose->close();
	}
}
//------------------------------------------------------------------------------
void OConnection::disposing()
{
	::osl::MutexGuard aGuard(m_aMutex);

    OConnection_BASE::disposing();

	for (::std::map< SQLHANDLE,OConnection*>::iterator aConIter = m_aConnections.begin();aConIter != m_aConnections.end();++aConIter )
		aConIter->second->dispose();

	::std::map< SQLHANDLE,OConnection*>().swap(m_aConnections);

	if(!m_bClosed)
		N3SQLDisconnect(m_aConnectionHandle);
	m_bClosed	= sal_True;

	dispose_ChildImpl();
}
// -----------------------------------------------------------------------------
OConnection* OConnection::cloneConnection()
{
	return new OConnection(m_pDriverHandleCopy,m_pDriver);
}
// -----------------------------------------------------------------------------
SQLHANDLE OConnection::createStatementHandle()
{
	OConnection* pConnectionTemp = this;
	sal_Bool bNew = sal_False;
	try
	{
		sal_Int32 nMaxStatements = getMetaData()->getMaxStatements();
		if(nMaxStatements && nMaxStatements <= m_nStatementCount)
		{
			OConnection* pConnection = cloneConnection();
			pConnection->acquire();
			pConnection->Construct(m_sURL,getConnectionInfo());
			pConnectionTemp = pConnection;
			bNew = sal_True;
		}
	}
	catch(SQLException&)
	{
	}

	SQLHANDLE aStatementHandle = SQL_NULL_HANDLE;
	SQLRETURN nRetcode = N3SQLAllocHandle(SQL_HANDLE_STMT,pConnectionTemp->getConnection(),&aStatementHandle);
    OSL_UNUSED( nRetcode );
	++m_nStatementCount;
	if(bNew)
		m_aConnections.insert(::std::map< SQLHANDLE,OConnection*>::value_type(aStatementHandle,pConnectionTemp));

	return aStatementHandle;

}
// -----------------------------------------------------------------------------
void OConnection::freeStatementHandle(SQLHANDLE& _pHandle)
{
	::std::map< SQLHANDLE,OConnection*>::iterator aFind = m_aConnections.find(_pHandle);

	N3SQLFreeStmt(_pHandle,SQL_RESET_PARAMS);
	N3SQLFreeStmt(_pHandle,SQL_UNBIND);
	N3SQLFreeStmt(_pHandle,SQL_CLOSE);
	N3SQLFreeHandle(SQL_HANDLE_STMT,_pHandle);

	_pHandle = SQL_NULL_HANDLE;

	if(aFind != m_aConnections.end())
	{
		aFind->second->dispose();
		m_aConnections.erase(aFind);
	}
	--m_nStatementCount;
}
// -----------------------------------------------------------------------------