xref: /trunk/main/connectivity/source/drivers/odbcbase/OConnection.cxx (revision cdf0e10c4e3984b49a9502b011690b615761d4a3)
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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