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27 
28 // MARKER(update_precomp.py): autogen include statement, do not remove
29 #include "precompiled_connectivity.hxx"
30 #include "odbc/OTools.hxx"
31 #include "odbc/OConnection.hxx"
32 #include "odbc/ODatabaseMetaData.hxx"
33 #include "odbc/OFunctions.hxx"
34 #include "odbc/ODriver.hxx"
35 #include "odbc/OStatement.hxx"
36 #include "odbc/OPreparedStatement.hxx"
37 #include <com/sun/star/sdbc/ColumnValue.hpp>
38 #include <com/sun/star/sdbc/XRow.hpp>
39 #include <com/sun/star/lang/DisposedException.hpp>
40 #include <connectivity/dbcharset.hxx>
41 #include <connectivity/FValue.hxx>
42 #include <comphelper/extract.hxx>
43 #include "diagnose_ex.h"
44 #include <connectivity/dbexception.hxx>
45 
46 #include <string.h>
47 
48 using namespace connectivity::odbc;
49 using namespace connectivity;
50 using namespace dbtools;
51 
52 //------------------------------------------------------------------------------
53 using namespace com::sun::star::uno;
54 using namespace com::sun::star::lang;
55 using namespace com::sun::star::beans;
56 using namespace com::sun::star::sdbc;
57 // --------------------------------------------------------------------------------
58 OConnection::OConnection(const SQLHANDLE _pDriverHandle,ODBCDriver*	_pDriver)
59 						 : OSubComponent<OConnection, OConnection_BASE>((::cppu::OWeakObject*)_pDriver, this)
60                          ,m_pDriver(_pDriver)
61 						 ,m_pDriverHandleCopy(_pDriverHandle)
62                          ,m_nStatementCount(0)
63 						 ,m_bClosed(sal_True)
64                          ,m_bUseCatalog(sal_False)
65                          ,m_bUseOldDateFormat(sal_False)
66 						 ,m_bParameterSubstitution(sal_False)
67 						 ,m_bIgnoreDriverPrivileges(sal_False)
68                          ,m_bPreventGetVersionColumns(sal_False)
69                          ,m_bReadOnly(sal_True)
70 {
71 	m_pDriver->acquire();
72 }
73 //-----------------------------------------------------------------------------
74 OConnection::~OConnection()
75 {
76 	if(!isClosed(  ))
77 		close();
78 
79 	if ( SQL_NULL_HANDLE != m_aConnectionHandle )
80 		N3SQLFreeHandle( SQL_HANDLE_DBC, m_aConnectionHandle );
81 	m_aConnectionHandle = SQL_NULL_HANDLE;
82 
83 	m_pDriver->release();
84 	m_pDriver = NULL;
85 }
86 //-----------------------------------------------------------------------------
87 void SAL_CALL OConnection::release() throw()
88 {
89 	relase_ChildImpl();
90 }
91 // -----------------------------------------------------------------------------
92 oslGenericFunction OConnection::getOdbcFunction(sal_Int32 _nIndex)  const
93 {
94 	OSL_ENSURE(m_pDriver,"OConnection::getOdbcFunction: m_pDriver is null!");
95 	return m_pDriver->getOdbcFunction(_nIndex);
96 }
97 //-----------------------------------------------------------------------------
98 SQLRETURN OConnection::OpenConnection(const ::rtl::OUString& aConnectStr,sal_Int32 nTimeOut, sal_Bool bSilent)
99 {
100 	::osl::MutexGuard aGuard( m_aMutex );
101 
102 	if (m_aConnectionHandle == SQL_NULL_HANDLE)
103 		return -1;
104 
105 	SQLRETURN nSQLRETURN = 0;
106 	SDB_ODBC_CHAR szConnStrOut[4096];
107 	SDB_ODBC_CHAR szConnStrIn[2048];
108 	SQLSMALLINT cbConnStrOut;
109 	memset(szConnStrOut,'\0',4096);
110 	memset(szConnStrIn,'\0',2048);
111 	::rtl::OString aConStr(::rtl::OUStringToOString(aConnectStr,getTextEncoding()));
112 	memcpy(szConnStrIn, (SDB_ODBC_CHAR*) aConStr.getStr(), ::std::min<sal_Int32>((sal_Int32)2048,aConStr.getLength()));
113 
114 #ifndef MACOSX
115 	N3SQLSetConnectAttr(m_aConnectionHandle,SQL_ATTR_LOGIN_TIMEOUT,(SQLPOINTER)nTimeOut,SQL_IS_UINTEGER);
116 	// Verbindung aufbauen
117 #endif
118 
119 #ifdef LINUX
120     OSL_UNUSED( bSilent );
121 	nSQLRETURN = N3SQLDriverConnect(m_aConnectionHandle,
122 					  NULL,
123 					  szConnStrIn,
124 					  (SQLSMALLINT) ::std::min((sal_Int32)2048,aConStr.getLength()),
125 					  szConnStrOut,
126 					  (SQLSMALLINT) (sizeof(szConnStrOut)/sizeof(SDB_ODBC_CHAR)) -1,
127 					  &cbConnStrOut,
128 					  SQL_DRIVER_NOPROMPT);
129 	if (nSQLRETURN == SQL_ERROR || nSQLRETURN == SQL_NO_DATA || SQL_SUCCESS_WITH_INFO == nSQLRETURN)
130 		return nSQLRETURN;
131 #else
132 
133 	SQLUSMALLINT nSilent =  bSilent ? SQL_DRIVER_NOPROMPT : SQL_DRIVER_COMPLETE;
134 	nSQLRETURN = N3SQLDriverConnect(m_aConnectionHandle,
135 					  NULL,
136 					  szConnStrIn,
137 					  (SQLSMALLINT) ::std::min<sal_Int32>((sal_Int32)2048,aConStr.getLength()),
138 					  szConnStrOut,
139 					  (SQLSMALLINT) sizeof szConnStrOut,
140 					  &cbConnStrOut,
141 					  nSilent);
142 	if (nSQLRETURN == SQL_ERROR || nSQLRETURN == SQL_NO_DATA)
143 		return nSQLRETURN;
144 
145 	m_bClosed = sal_False;
146 
147 #endif //LINUX
148 
149 	try
150 	{
151 		::rtl::OUString aVal;
152 		OTools::GetInfo(this,m_aConnectionHandle,SQL_DATA_SOURCE_READ_ONLY,aVal,*this,getTextEncoding());
153 		m_bReadOnly = !aVal.compareToAscii("Y");
154 	}
155 	catch(Exception&)
156 	{
157 		m_bReadOnly = sal_True;
158 	}
159 	try
160 	{
161 		::rtl::OUString sVersion;
162 		OTools::GetInfo(this,m_aConnectionHandle,SQL_DRIVER_ODBC_VER,sVersion,*this,getTextEncoding());
163 		m_bUseOldDateFormat	=  sVersion == ::rtl::OUString::createFromAscii("02.50") || sVersion == ::rtl::OUString::createFromAscii("02.00");
164 	}
165 	catch(Exception&)
166 	{
167 	}
168 
169 
170 	// autocoomit ist immer default
171 
172 	if (!m_bReadOnly)
173 		N3SQLSetConnectAttr(m_aConnectionHandle,SQL_ATTR_AUTOCOMMIT,(SQLPOINTER)SQL_AUTOCOMMIT_ON,SQL_IS_INTEGER);
174 
175 	return nSQLRETURN;
176 }
177 //-----------------------------------------------------------------------------
178 SQLRETURN OConnection::Construct(const ::rtl::OUString& url,const Sequence< PropertyValue >& info)  throw(SQLException)
179 {
180 	m_aConnectionHandle  = SQL_NULL_HANDLE;
181 	m_sURL	= url;
182 	setConnectionInfo(info);
183 
184 	// Connection allozieren
185 	N3SQLAllocHandle(SQL_HANDLE_DBC,m_pDriverHandleCopy,&m_aConnectionHandle);
186 	if(m_aConnectionHandle == SQL_NULL_HANDLE)
187 		throw SQLException();
188 
189 	sal_Int32 nLen = url.indexOf(':');
190 	nLen = url.indexOf(':',nLen+1);
191 	::rtl::OUString aDSN(RTL_CONSTASCII_USTRINGPARAM("DSN=")), aUID, aPWD, aSysDrvSettings;
192 	aDSN += url.copy(nLen+1);
193 
194 	const char* pUser		= "user";
195 	const char* pTimeout	= "Timeout";
196 	const char* pSilent		= "Silent";
197 	const char* pPwd		= "password";
198 	const char* pUseCatalog = "UseCatalog";
199 	const char* pSysDrv		= "SystemDriverSettings";
200 	const char* pCharSet	= "CharSet";
201 	const char* pParaName	= "ParameterNameSubstitution";
202 	const char* pPrivName	= "IgnoreDriverPrivileges";
203     const char* pVerColName = "PreventGetVersionColumns";   // #i60273#
204 	const char* pRetrieving	= "IsAutoRetrievingEnabled";
205 	const char* pRetriStmt	= "AutoRetrievingStatement";
206 
207 	sal_Int32 nTimeout = 20;
208 	sal_Bool bSilent = sal_True;
209 	const PropertyValue *pBegin	= info.getConstArray();
210 	const PropertyValue *pEnd	= pBegin + info.getLength();
211 	for(;pBegin != pEnd;++pBegin)
212 	{
213 		if(!pBegin->Name.compareToAscii(pTimeout))
214 			OSL_VERIFY( pBegin->Value >>= nTimeout );
215 		else if(!pBegin->Name.compareToAscii(pSilent))
216 			OSL_VERIFY( pBegin->Value >>= bSilent );
217 		else if(!pBegin->Name.compareToAscii(pPrivName))
218 			OSL_VERIFY( pBegin->Value >>= m_bIgnoreDriverPrivileges );
219         else if(!pBegin->Name.compareToAscii(pVerColName))
220             OSL_VERIFY( pBegin->Value >>= m_bPreventGetVersionColumns );
221 		else if(!pBegin->Name.compareToAscii(pParaName))
222 			OSL_VERIFY( pBegin->Value >>= m_bParameterSubstitution );
223 		else if(!pBegin->Name.compareToAscii(pRetrieving))
224 		{
225 			sal_Bool bAutoRetrievingEnabled = sal_False;
226 			OSL_VERIFY( pBegin->Value >>= bAutoRetrievingEnabled );
227 			enableAutoRetrievingEnabled(bAutoRetrievingEnabled);
228 		}
229 		else if(!pBegin->Name.compareToAscii(pRetriStmt))
230 		{
231 			::rtl::OUString sGeneratedValueStatement;
232 			OSL_VERIFY( pBegin->Value >>= sGeneratedValueStatement );
233 			setAutoRetrievingStatement(sGeneratedValueStatement);
234 		}
235 		else if(!pBegin->Name.compareToAscii(pUser))
236 		{
237 			OSL_VERIFY( pBegin->Value >>= aUID );
238 			aDSN = aDSN + ::rtl::OUString::createFromAscii(";UID=") + aUID;
239 		}
240 		else if(!pBegin->Name.compareToAscii(pPwd))
241 		{
242 			OSL_VERIFY( pBegin->Value >>= aPWD );
243 			aDSN = aDSN + ::rtl::OUString::createFromAscii(";PWD=") + aPWD;
244 		}
245 		else if(!pBegin->Name.compareToAscii(pUseCatalog))
246 		{
247 			 OSL_VERIFY( pBegin->Value >>= m_bUseCatalog );
248 		}
249 		else if(!pBegin->Name.compareToAscii(pSysDrv))
250 		{
251 			OSL_VERIFY( pBegin->Value >>= aSysDrvSettings );
252 			aDSN += ::rtl::OUString::createFromAscii(";");
253 			aDSN += aSysDrvSettings;
254 		}
255 		else if(0 == pBegin->Name.compareToAscii(pCharSet))
256 		{
257 			::rtl::OUString sIanaName;
258 			OSL_VERIFY( pBegin->Value >>= sIanaName );
259 
260 			::dbtools::OCharsetMap aLookupIanaName;
261 			::dbtools::OCharsetMap::const_iterator aLookup = aLookupIanaName.find(sIanaName, ::dbtools::OCharsetMap::IANA());
262 			if (aLookup != aLookupIanaName.end())
263 				m_nTextEncoding = (*aLookup).getEncoding();
264 			else
265 				m_nTextEncoding = RTL_TEXTENCODING_DONTKNOW;
266 			if(m_nTextEncoding == RTL_TEXTENCODING_DONTKNOW)
267 				m_nTextEncoding = osl_getThreadTextEncoding();
268 		}
269 	}
270 	m_sUser = aUID;
271 
272 	SQLRETURN nSQLRETURN = OpenConnection(aDSN,nTimeout, bSilent);
273 	if (nSQLRETURN == SQL_ERROR || nSQLRETURN == SQL_NO_DATA)
274 	{
275 		OTools::ThrowException(this,nSQLRETURN,m_aConnectionHandle,SQL_HANDLE_DBC,*this,sal_False);
276 	}
277 	return nSQLRETURN;
278 }
279 // XServiceInfo
280 // --------------------------------------------------------------------------------
281 IMPLEMENT_SERVICE_INFO(OConnection, "com.sun.star.sdbc.drivers.odbc.OConnection", "com.sun.star.sdbc.Connection")
282 
283 // --------------------------------------------------------------------------------
284 Reference< XStatement > SAL_CALL OConnection::createStatement(  ) throw(SQLException, RuntimeException)
285 {
286 	::osl::MutexGuard aGuard( m_aMutex );
287 	checkDisposed(OConnection_BASE::rBHelper.bDisposed);
288 
289 	Reference< XStatement > xReturn = new OStatement(this);
290 	m_aStatements.push_back(WeakReferenceHelper(xReturn));
291 	return xReturn;
292 }
293 // --------------------------------------------------------------------------------
294 Reference< XPreparedStatement > SAL_CALL OConnection::prepareStatement( const ::rtl::OUString& sql ) throw(SQLException, RuntimeException)
295 {
296 	::osl::MutexGuard aGuard( m_aMutex );
297 	checkDisposed(OConnection_BASE::rBHelper.bDisposed);
298 
299 	Reference< XPreparedStatement > xReturn = new OPreparedStatement(this,sql);
300 	m_aStatements.push_back(WeakReferenceHelper(xReturn));
301 	return xReturn;
302 }
303 // --------------------------------------------------------------------------------
304 Reference< XPreparedStatement > SAL_CALL OConnection::prepareCall( const ::rtl::OUString& /*sql*/ ) throw(SQLException, RuntimeException)
305 {
306     ::dbtools::throwFeatureNotImplementedException( "XConnection::prepareCall", *this );
307     return NULL;
308 }
309 // --------------------------------------------------------------------------------
310 ::rtl::OUString SAL_CALL OConnection::nativeSQL( const ::rtl::OUString& sql ) throw(SQLException, RuntimeException)
311 {
312 	::osl::MutexGuard aGuard( m_aMutex );
313 
314 	::rtl::OString aSql(::rtl::OUStringToOString(sql.getStr(),getTextEncoding()));
315 	char pOut[2048];
316 	SQLINTEGER nOutLen;
317 	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);
318 	return ::rtl::OUString(pOut,nOutLen,getTextEncoding());
319 }
320 // --------------------------------------------------------------------------------
321 void SAL_CALL OConnection::setAutoCommit( sal_Bool autoCommit ) throw(SQLException, RuntimeException)
322 {
323 	::osl::MutexGuard aGuard( m_aMutex );
324 	checkDisposed(OConnection_BASE::rBHelper.bDisposed);
325 
326 
327 	OTools::ThrowException(this,N3SQLSetConnectAttr(m_aConnectionHandle,
328 								   SQL_ATTR_AUTOCOMMIT,
329 								   (SQLPOINTER)((autoCommit) ? SQL_AUTOCOMMIT_ON : SQL_AUTOCOMMIT_OFF) ,SQL_IS_INTEGER),
330 								   m_aConnectionHandle,SQL_HANDLE_DBC,*this);
331 }
332 // --------------------------------------------------------------------------------
333 sal_Bool SAL_CALL OConnection::getAutoCommit(  ) throw(SQLException, RuntimeException)
334 {
335 	::osl::MutexGuard aGuard( m_aMutex );
336 	checkDisposed(OConnection_BASE::rBHelper.bDisposed);
337 
338 
339 	sal_uInt32 nOption = 0;
340 	OTools::ThrowException(this,N3SQLGetConnectAttr(m_aConnectionHandle,
341 								   SQL_ATTR_AUTOCOMMIT, &nOption,0,0),m_aConnectionHandle,SQL_HANDLE_DBC,*this);
342 	return nOption == SQL_AUTOCOMMIT_ON ;
343 }
344 // --------------------------------------------------------------------------------
345 void SAL_CALL OConnection::commit(  ) throw(SQLException, RuntimeException)
346 {
347 	::osl::MutexGuard aGuard( m_aMutex );
348 	checkDisposed(OConnection_BASE::rBHelper.bDisposed);
349 
350 
351 	OTools::ThrowException(this,N3SQLEndTran(SQL_HANDLE_DBC,m_aConnectionHandle,SQL_COMMIT),m_aConnectionHandle,SQL_HANDLE_DBC,*this);
352 }
353 // --------------------------------------------------------------------------------
354 void SAL_CALL OConnection::rollback(  ) throw(SQLException, RuntimeException)
355 {
356 	::osl::MutexGuard aGuard( m_aMutex );
357 	checkDisposed(OConnection_BASE::rBHelper.bDisposed);
358 
359 
360 	OTools::ThrowException(this,N3SQLEndTran(SQL_HANDLE_DBC,m_aConnectionHandle,SQL_ROLLBACK),m_aConnectionHandle,SQL_HANDLE_DBC,*this);
361 }
362 // --------------------------------------------------------------------------------
363 sal_Bool SAL_CALL OConnection::isClosed(  ) throw(SQLException, RuntimeException)
364 {
365 	::osl::MutexGuard aGuard( m_aMutex );
366 
367 	return OConnection_BASE::rBHelper.bDisposed;
368 }
369 // --------------------------------------------------------------------------------
370 Reference< XDatabaseMetaData > SAL_CALL OConnection::getMetaData(  ) throw(SQLException, RuntimeException)
371 {
372 	::osl::MutexGuard aGuard( m_aMutex );
373 	checkDisposed(OConnection_BASE::rBHelper.bDisposed);
374 
375 	Reference< XDatabaseMetaData > xMetaData = m_xMetaData;
376 	if(!xMetaData.is())
377 	{
378 		xMetaData = new ODatabaseMetaData(m_aConnectionHandle,this);
379 		m_xMetaData = xMetaData;
380 	}
381 
382 	return xMetaData;
383 }
384 // --------------------------------------------------------------------------------
385 void SAL_CALL OConnection::setReadOnly( sal_Bool readOnly ) throw(SQLException, RuntimeException)
386 {
387 	::osl::MutexGuard aGuard( m_aMutex );
388 	checkDisposed(OConnection_BASE::rBHelper.bDisposed);
389 
390 
391 	OTools::ThrowException(this,
392         N3SQLSetConnectAttr(m_aConnectionHandle,SQL_ATTR_ACCESS_MODE,reinterpret_cast< SQLPOINTER >( readOnly ),SQL_IS_INTEGER),
393 		m_aConnectionHandle,SQL_HANDLE_DBC,*this);
394 }
395 // --------------------------------------------------------------------------------
396 sal_Bool SAL_CALL OConnection::isReadOnly() throw(SQLException, RuntimeException)
397 {
398 	// const member which will initialized only once
399 	return m_bReadOnly;
400 }
401 // --------------------------------------------------------------------------------
402 void SAL_CALL OConnection::setCatalog( const ::rtl::OUString& catalog ) throw(SQLException, RuntimeException)
403 {
404 	::osl::MutexGuard aGuard( m_aMutex );
405 	checkDisposed(OConnection_BASE::rBHelper.bDisposed);
406 
407 
408 	::rtl::OString aCat(::rtl::OUStringToOString(catalog.getStr(),getTextEncoding()));
409 	OTools::ThrowException(this,
410 		N3SQLSetConnectAttr(m_aConnectionHandle,SQL_ATTR_CURRENT_CATALOG,(SDB_ODBC_CHAR*)aCat.getStr(),SQL_NTS),
411 		m_aConnectionHandle,SQL_HANDLE_DBC,*this);
412 }
413 // --------------------------------------------------------------------------------
414 ::rtl::OUString SAL_CALL OConnection::getCatalog(  ) throw(SQLException, RuntimeException)
415 {
416 	::osl::MutexGuard aGuard( m_aMutex );
417 	checkDisposed(OConnection_BASE::rBHelper.bDisposed);
418 
419 
420 	sal_Int32 nValueLen;
421 	char pCat[1024];
422 	OTools::ThrowException(this,
423 		N3SQLGetConnectAttr(m_aConnectionHandle,SQL_ATTR_CURRENT_CATALOG,(SDB_ODBC_CHAR*)pCat,(sizeof pCat)-1,&nValueLen),
424 		m_aConnectionHandle,SQL_HANDLE_DBC,*this);
425 
426 	return ::rtl::OUString(pCat,nValueLen,getTextEncoding());
427 }
428 // --------------------------------------------------------------------------------
429 void SAL_CALL OConnection::setTransactionIsolation( sal_Int32 level ) throw(SQLException, RuntimeException)
430 {
431 	::osl::MutexGuard aGuard( m_aMutex );
432 	checkDisposed(OConnection_BASE::rBHelper.bDisposed);
433 
434 
435 	OTools::ThrowException(this,N3SQLSetConnectAttr(m_aConnectionHandle,
436 								   SQL_ATTR_TXN_ISOLATION,
437 								   (SQLPOINTER)level,SQL_IS_INTEGER),
438 								   m_aConnectionHandle,SQL_HANDLE_DBC,*this);
439 }
440 // --------------------------------------------------------------------------------
441 sal_Int32 SAL_CALL OConnection::getTransactionIsolation(  ) throw(SQLException, RuntimeException)
442 {
443 	::osl::MutexGuard aGuard( m_aMutex );
444 	checkDisposed(OConnection_BASE::rBHelper.bDisposed);
445 
446 
447 	sal_Int32 nTxn = 0;
448 	SQLINTEGER nValueLen;
449 	OTools::ThrowException(this,
450 		N3SQLGetConnectAttr(m_aConnectionHandle,SQL_ATTR_TXN_ISOLATION,&nTxn,sizeof nTxn,&nValueLen),
451 		m_aConnectionHandle,SQL_HANDLE_DBC,*this);
452 	return nTxn;
453 }
454 // --------------------------------------------------------------------------------
455 Reference< ::com::sun::star::container::XNameAccess > SAL_CALL OConnection::getTypeMap(  ) throw(SQLException, RuntimeException)
456 {
457 	::osl::MutexGuard aGuard( m_aMutex );
458 	checkDisposed(OConnection_BASE::rBHelper.bDisposed);
459 
460 
461 	return NULL;
462 }
463 // --------------------------------------------------------------------------------
464 void SAL_CALL OConnection::setTypeMap( const Reference< ::com::sun::star::container::XNameAccess >& /*typeMap*/ ) throw(SQLException, RuntimeException)
465 {
466     ::dbtools::throwFeatureNotImplementedException( "XConnection::setTypeMap", *this );
467 }
468 // --------------------------------------------------------------------------------
469 // XCloseable
470 void SAL_CALL OConnection::close(  ) throw(SQLException, RuntimeException)
471 {
472 	{
473 		::osl::MutexGuard aGuard( m_aMutex );
474 		checkDisposed(OConnection_BASE::rBHelper.bDisposed);
475 
476 	}
477 	dispose();
478 }
479 // --------------------------------------------------------------------------------
480 // XWarningsSupplier
481 Any SAL_CALL OConnection::getWarnings(  ) throw(SQLException, RuntimeException)
482 {
483 	return Any();
484 }
485 // --------------------------------------------------------------------------------
486 void SAL_CALL OConnection::clearWarnings(  ) throw(SQLException, RuntimeException)
487 {
488 }
489 //--------------------------------------------------------------------
490 void OConnection::buildTypeInfo() throw( SQLException)
491 {
492 	::osl::MutexGuard aGuard( m_aMutex );
493 
494 	Reference< XResultSet> xRs = getMetaData ()->getTypeInfo ();
495 	if(xRs.is())
496 	{
497 		Reference< XRow> xRow(xRs,UNO_QUERY);
498 		// Information for a single SQL type
499 
500 		::connectivity::ORowSetValue aValue;
501 		::std::vector<sal_Int32> aTypes;
502 		Reference<XResultSetMetaData> xResultSetMetaData = Reference<XResultSetMetaDataSupplier>(xRs,UNO_QUERY)->getMetaData();
503         sal_Int32 nCount = xResultSetMetaData->getColumnCount();
504 		// Loop on the result set until we reach end of file
505 		while (xRs->next ())
506 		{
507 			OTypeInfo aInfo;
508 			sal_Int32 nPos = 1;
509             if ( aTypes.empty() )
510             {
511                 if ( nCount < 1 )
512                     nCount = 18;
513                 aTypes.reserve(nCount+1);
514                 aTypes.push_back(-1);
515                 for (sal_Int32 j = 1; j <= nCount ; ++j)
516                     aTypes.push_back(xResultSetMetaData->getColumnType(j));
517             }
518 
519             aValue.fill(nPos,aTypes[nPos],xRow);
520 			aInfo.aTypeName		= aValue;
521 			++nPos;
522             aValue.fill(nPos,aTypes[nPos],xRow);
523 			aInfo.nType			= aValue;
524 			++nPos;
525             aValue.fill(nPos,aTypes[nPos],xRow);
526 			aInfo.nPrecision		= aValue;
527 			++nPos;
528             aValue.fill(nPos,aTypes[nPos],xRow);
529 			aInfo.aLiteralPrefix	= aValue;
530 			++nPos;
531             aValue.fill(nPos,aTypes[nPos],xRow);
532 			aInfo.aLiteralSuffix	= aValue;
533 			++nPos;
534             aValue.fill(nPos,aTypes[nPos],xRow);
535 			aInfo.aCreateParams	= aValue;
536 			++nPos;
537             aValue.fill(nPos,aTypes[nPos],xRow);
538 			aInfo.bNullable		= (sal_Int32)aValue == ColumnValue::NULLABLE;
539 			++nPos;
540             aValue.fill(nPos,aTypes[nPos],xRow);
541 			aInfo.bCaseSensitive	= (sal_Bool)aValue;
542 			++nPos;
543             aValue.fill(nPos,aTypes[nPos],xRow);
544 			aInfo.nSearchType		= aValue;
545 			++nPos;
546             aValue.fill(nPos,aTypes[nPos],xRow);
547 			aInfo.bUnsigned		= (sal_Bool)aValue;
548 			++nPos;
549             aValue.fill(nPos,aTypes[nPos],xRow);
550 			aInfo.bCurrency		= (sal_Bool)aValue;
551 			++nPos;
552             aValue.fill(nPos,aTypes[nPos],xRow);
553 			aInfo.bAutoIncrement	= (sal_Bool)aValue;
554 			++nPos;
555             aValue.fill(nPos,aTypes[nPos],xRow);
556 			aInfo.aLocalTypeName	= aValue;
557 			++nPos;
558             aValue.fill(nPos,aTypes[nPos],xRow);
559 			aInfo.nMinimumScale	= aValue;
560 			++nPos;
561             aValue.fill(nPos,aTypes[nPos],xRow);
562 			aInfo.nMaximumScale	= aValue;
563             if ( nCount >= 18 )
564             {
565                 nPos = 18;
566                 aValue.fill(nPos,aTypes[nPos],xRow);
567 			    aInfo.nNumPrecRadix	= aValue;
568             }
569 
570 			// check if values are less than zero like it happens in a oracle jdbc driver
571 			if( aInfo.nPrecision < 0)
572 				aInfo.nPrecision = 0;
573 			if( aInfo.nMinimumScale < 0)
574 				aInfo.nMinimumScale = 0;
575 			if( aInfo.nMaximumScale < 0)
576 				aInfo.nMaximumScale = 0;
577 			if( aInfo.nNumPrecRadix < 0)
578 				aInfo.nNumPrecRadix = 10;
579 
580 			// Now that we have the type info, save it
581 			// in the Hashtable if we don't already have an
582 			// entry for this SQL type.
583 
584 			m_aTypeInfo.push_back(aInfo);
585 		}
586 
587 		// Close the result set/statement.
588 
589 		Reference< XCloseable> xClose(xRs,UNO_QUERY);
590 		if(xClose.is())
591 			xClose->close();
592 	}
593 }
594 //------------------------------------------------------------------------------
595 void OConnection::disposing()
596 {
597 	::osl::MutexGuard aGuard(m_aMutex);
598 
599     OConnection_BASE::disposing();
600 
601 	for (::std::map< SQLHANDLE,OConnection*>::iterator aConIter = m_aConnections.begin();aConIter != m_aConnections.end();++aConIter )
602 		aConIter->second->dispose();
603 
604 	::std::map< SQLHANDLE,OConnection*>().swap(m_aConnections);
605 
606 	if(!m_bClosed)
607 		N3SQLDisconnect(m_aConnectionHandle);
608 	m_bClosed	= sal_True;
609 
610 	dispose_ChildImpl();
611 }
612 // -----------------------------------------------------------------------------
613 OConnection* OConnection::cloneConnection()
614 {
615 	return new OConnection(m_pDriverHandleCopy,m_pDriver);
616 }
617 // -----------------------------------------------------------------------------
618 SQLHANDLE OConnection::createStatementHandle()
619 {
620 	OConnection* pConnectionTemp = this;
621 	sal_Bool bNew = sal_False;
622 	try
623 	{
624 		sal_Int32 nMaxStatements = getMetaData()->getMaxStatements();
625 		if(nMaxStatements && nMaxStatements <= m_nStatementCount)
626 		{
627 			OConnection* pConnection = cloneConnection();
628 			pConnection->acquire();
629 			pConnection->Construct(m_sURL,getConnectionInfo());
630 			pConnectionTemp = pConnection;
631 			bNew = sal_True;
632 		}
633 	}
634 	catch(SQLException&)
635 	{
636 	}
637 
638 	SQLHANDLE aStatementHandle = SQL_NULL_HANDLE;
639 	SQLRETURN nRetcode = N3SQLAllocHandle(SQL_HANDLE_STMT,pConnectionTemp->getConnection(),&aStatementHandle);
640     OSL_UNUSED( nRetcode );
641 	++m_nStatementCount;
642 	if(bNew)
643 		m_aConnections.insert(::std::map< SQLHANDLE,OConnection*>::value_type(aStatementHandle,pConnectionTemp));
644 
645 	return aStatementHandle;
646 
647 }
648 // -----------------------------------------------------------------------------
649 void OConnection::freeStatementHandle(SQLHANDLE& _pHandle)
650 {
651 	::std::map< SQLHANDLE,OConnection*>::iterator aFind = m_aConnections.find(_pHandle);
652 
653 	N3SQLFreeStmt(_pHandle,SQL_RESET_PARAMS);
654 	N3SQLFreeStmt(_pHandle,SQL_UNBIND);
655 	N3SQLFreeStmt(_pHandle,SQL_CLOSE);
656 	N3SQLFreeHandle(SQL_HANDLE_STMT,_pHandle);
657 
658 	_pHandle = SQL_NULL_HANDLE;
659 
660 	if(aFind != m_aConnections.end())
661 	{
662 		aFind->second->dispose();
663 		m_aConnections.erase(aFind);
664 	}
665 	--m_nStatementCount;
666 }
667 // -----------------------------------------------------------------------------
668 
669 
670 
671