xref: /AOO41X/main/connectivity/source/drivers/dbase/DIndex.cxx (revision 9b5730f6ddef7eb82608ca4d31dc0d7678e652cf)
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21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_connectivity.hxx"
26 #include "dbase/DIndex.hxx"
27 #include "dbase/DIndexColumns.hxx"
28 #include <com/sun/star/lang/DisposedException.hpp>
29 #include "connectivity/sdbcx/VColumn.hxx"
30 #include <comphelper/sequence.hxx>
31 #include "dbase/DTable.hxx"
32 #include "dbase/DIndexIter.hxx"
33 #include <tools/config.hxx>
34 #include "connectivity/CommonTools.hxx"
35 #include <com/sun/star/sdbc/XResultSetMetaData.hpp>
36 #include <com/sun/star/sdbc/XResultSet.hpp>
37 #include <com/sun/star/sdbcx/XRowLocate.hpp>
38 #include <com/sun/star/sdbc/XRow.hpp>
39 #include <comphelper/extract.hxx>
40 #include <unotools/localfilehelper.hxx>
41 #include <unotools/ucbhelper.hxx>
42 #include <comphelper/types.hxx>
43 #include <connectivity/dbexception.hxx>
44 #include "dbase/DResultSet.hxx"
45 #include "diagnose_ex.h"
46 #include <comphelper/types.hxx>
47 #include "resource/dbase_res.hrc"
48 #include <unotools/sharedunocomponent.hxx>
49 
50 using namespace ::comphelper;
51 // -------------------------------------------------------------------------
52 using namespace connectivity;
53 using namespace utl;
54 using namespace ::cppu;
55 using namespace connectivity::file;
56 using namespace connectivity::sdbcx;
57 using namespace connectivity::dbase;
58 using namespace com::sun::star::sdbc;
59 using namespace com::sun::star::sdbcx;
60 using namespace com::sun::star::uno;
61 using namespace com::sun::star::beans;
62 using namespace com::sun::star::lang;
63 
64 IMPLEMENT_SERVICE_INFO(ODbaseIndex,"com.sun.star.sdbcx.driver.dbase.Index","com.sun.star.sdbcx.Index");
65 // -------------------------------------------------------------------------
ODbaseIndex(ODbaseTable * _pTable)66 ODbaseIndex::ODbaseIndex(ODbaseTable* _pTable) : OIndex(sal_True/*_pTable->getConnection()->getMetaData()->supportsMixedCaseQuotedIdentifiers()*/)
67     ,m_pFileStream(NULL)
68     ,m_nCurNode(NODE_NOTFOUND)
69     ,m_pTable(_pTable)
70 {
71     m_aHeader.db_pagecount = m_aHeader.db_rootpage = m_aHeader.db_keytype = m_aHeader.db_maxkeys = m_aHeader.db_keylen = 0;
72     m_aHeader.db_name[0] = '\0';
73     construct();
74 }
75 // -------------------------------------------------------------------------
ODbaseIndex(ODbaseTable * _pTable,const NDXHeader & _rHeader,const::rtl::OUString & _rName)76 ODbaseIndex::ODbaseIndex(   ODbaseTable* _pTable,
77                             const NDXHeader& _rHeader,
78                             const ::rtl::OUString& _rName)
79     :OIndex(_rName,::rtl::OUString(),_rHeader.db_unique,sal_False,sal_False,sal_True) // _pTable->getConnection()->getMetaData()->supportsMixedCaseQuotedIdentifiers()
80     ,m_pFileStream(NULL)
81     ,m_aHeader(_rHeader)
82     ,m_nCurNode(NODE_NOTFOUND)
83     ,m_pTable(_pTable)
84 {
85     construct();
86 }
87 // -----------------------------------------------------------------------------
~ODbaseIndex()88 ODbaseIndex::~ODbaseIndex()
89 {
90     closeImpl();
91 }
92 // -------------------------------------------------------------------------
refreshColumns()93 void ODbaseIndex::refreshColumns()
94 {
95     ::osl::MutexGuard aGuard( m_aMutex );
96 
97     TStringVector aVector;
98     if(!isNew())
99     {
100         OSL_ENSURE(m_pFileStream,"FileStream is not opened!");
101         OSL_ENSURE(m_aHeader.db_name[0] != '\0',"Invalid name for the column!");
102         aVector.push_back(::rtl::OUString::createFromAscii(m_aHeader.db_name));
103     }
104 
105     if(m_pColumns)
106         m_pColumns->reFill(aVector);
107     else
108         m_pColumns = new ODbaseIndexColumns(this,m_aMutex,aVector);
109 }
110 //--------------------------------------------------------------------------
getUnoTunnelImplementationId()111 Sequence< sal_Int8 > ODbaseIndex::getUnoTunnelImplementationId()
112 {
113     static ::cppu::OImplementationId * pId = 0;
114     if (! pId)
115     {
116         ::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex() );
117         if (! pId)
118         {
119             static ::cppu::OImplementationId aId;
120             pId = &aId;
121         }
122     }
123     return pId->getImplementationId();
124 }
125 
126 // XUnoTunnel
127 //------------------------------------------------------------------
getSomething(const Sequence<sal_Int8> & rId)128 sal_Int64 ODbaseIndex::getSomething( const Sequence< sal_Int8 > & rId ) throw (RuntimeException)
129 {
130     return (rId.getLength() == 16 && 0 == rtl_compareMemory(getUnoTunnelImplementationId().getConstArray(),  rId.getConstArray(), 16 ) )
131                 ? reinterpret_cast< sal_Int64 >( this )
132                 : ODbaseIndex_BASE::getSomething(rId);
133 }
134 //------------------------------------------------------------------
getRoot()135 ONDXPagePtr ODbaseIndex::getRoot()
136 {
137     openIndexFile();
138     if (!m_aRoot.Is())
139     {
140         m_nRootPage = m_aHeader.db_rootpage;
141         m_nPageCount = m_aHeader.db_pagecount;
142         m_aRoot = CreatePage(m_nRootPage,NULL,sal_True);
143     }
144     return m_aRoot;
145 }
146 //------------------------------------------------------------------
openIndexFile()147 sal_Bool ODbaseIndex::openIndexFile()
148 {
149     if(!m_pFileStream)
150     {
151         ::rtl::OUString sFile = getCompletePath();
152         if(UCBContentHelper::Exists(sFile))
153         {
154             m_pFileStream = OFileTable::createStream_simpleError(sFile, STREAM_READWRITE | STREAM_NOCREATE | STREAM_SHARE_DENYWRITE);
155             if (!m_pFileStream)
156                 m_pFileStream = OFileTable::createStream_simpleError(sFile,STREAM_READ | STREAM_NOCREATE | STREAM_SHARE_DENYNONE);
157             if(m_pFileStream)
158             {
159                 m_pFileStream->SetNumberFormatInt(NUMBERFORMAT_INT_LITTLEENDIAN);
160                 m_pFileStream->SetBufferSize(PAGE_SIZE);
161                 (*m_pFileStream) >> *this;
162             }
163         }
164         if(!m_pFileStream)
165         {
166             const ::rtl::OUString sError( m_pTable->getConnection()->getResources().getResourceStringWithSubstitution(
167                 STR_COULD_NOT_LOAD_FILE,
168                 "$filename$", sFile
169              ) );
170             ::dbtools::throwGenericSQLException( sError, *this );
171         }
172     }
173 
174     return m_pFileStream != NULL;
175 }
176 //------------------------------------------------------------------
createIterator(OBoolOperator * pOp,const OOperand * pOperand)177 OIndexIterator* ODbaseIndex::createIterator(OBoolOperator* pOp,
178                                             const OOperand* pOperand)
179 {
180     openIndexFile();
181     return new OIndexIterator(this, pOp, pOperand);
182 }
183 //------------------------------------------------------------------
ConvertToKey(ONDXKey * rKey,sal_uInt32 nRec,const ORowSetValue & rValue)184 sal_Bool ODbaseIndex::ConvertToKey(ONDXKey* rKey, sal_uInt32 nRec, const ORowSetValue& rValue)
185 {
186     OSL_ENSURE(m_pFileStream,"FileStream is not opened!");
187     // Sucht ein bestimmten Wert im Index
188     // Wenn der Index Unique ist, interssiert der Key nicht, sonst ja
189     try
190     {
191         if (m_aHeader.db_keytype == 0)
192         {
193             *rKey = ONDXKey(rValue.getString(), nRec );
194         }
195         else
196         {
197             if (rValue.isNull())
198                 *rKey = ONDXKey(rValue.getDouble(), DataType::DOUBLE, nRec );
199             else
200                 *rKey = ONDXKey(rValue.getDouble(), nRec );
201         }
202     }
203     catch (Exception&)
204     {
205         OSL_ASSERT(0);
206         return sal_False;
207     }
208     return sal_True;
209 }
210 
211 //------------------------------------------------------------------
Find(sal_uInt32 nRec,const ORowSetValue & rValue)212 sal_Bool ODbaseIndex::Find(sal_uInt32 nRec, const ORowSetValue& rValue)
213 {
214     openIndexFile();
215     OSL_ENSURE(m_pFileStream,"FileStream is not opened!");
216     // Sucht ein bestimmten Wert im Index
217     // Wenn der Index Unique ist, interssiert der Key nicht, sonst ja
218     ONDXKey aKey;
219     return ConvertToKey(&aKey, nRec, rValue) && getRoot()->Find(aKey);
220 }
221 
222 //------------------------------------------------------------------
Insert(sal_uInt32 nRec,const ORowSetValue & rValue)223 sal_Bool ODbaseIndex::Insert(sal_uInt32 nRec, const ORowSetValue& rValue)
224 {
225     openIndexFile();
226     OSL_ENSURE(m_pFileStream,"FileStream is not opened!");
227     ONDXKey aKey;
228 
229     // Existiert der Wert bereits
230     // Find immer verwenden um das aktuelle Blatt zu bestimmen
231     if (!ConvertToKey(&aKey, nRec, rValue) || (getRoot()->Find(aKey) && isUnique()))
232         return sal_False;
233 
234     ONDXNode aNewNode(aKey);
235 
236     // einfuegen in das aktuelle Blatt
237     if (!m_aCurLeaf.Is())
238         return sal_False;
239 
240     sal_Bool bResult = m_aCurLeaf->Insert(aNewNode);
241     Release(bResult);
242 
243     return bResult;
244 }
245 
246 //------------------------------------------------------------------
Update(sal_uInt32 nRec,const ORowSetValue & rOldValue,const ORowSetValue & rNewValue)247 sal_Bool ODbaseIndex::Update(sal_uInt32 nRec, const ORowSetValue& rOldValue,
248                          const ORowSetValue& rNewValue)
249 {
250     openIndexFile();
251     OSL_ENSURE(m_pFileStream,"FileStream is not opened!");
252     ONDXKey aKey;
253     if (!ConvertToKey(&aKey, nRec, rNewValue) || (isUnique() && getRoot()->Find(aKey)))
254         return sal_False;
255     else
256         return Delete(nRec, rOldValue) && Insert(nRec,rNewValue);
257 }
258 
259 //------------------------------------------------------------------
Delete(sal_uInt32 nRec,const ORowSetValue & rValue)260 sal_Bool ODbaseIndex::Delete(sal_uInt32 nRec, const ORowSetValue& rValue)
261 {
262     openIndexFile();
263     OSL_ENSURE(m_pFileStream,"FileStream is not opened!");
264     // Existiert der Wert bereits
265     // Find immer verwenden um das aktuelle Blatt zu bestimmen
266     ONDXKey aKey;
267     if (!ConvertToKey(&aKey, nRec, rValue) || !getRoot()->Find(aKey))
268         return sal_False;
269 
270     ONDXNode aNewNode(aKey);
271 
272     // einfuegen in das aktuelle Blatt
273     if (!m_aCurLeaf.Is())
274         return sal_False;
275 #if OSL_DEBUG_LEVEL > 1
276     m_aRoot->PrintPage();
277 #endif
278 
279     return m_aCurLeaf->Delete(m_nCurNode);
280 }
281 //------------------------------------------------------------------
Collect(ONDXPage * pPage)282 void ODbaseIndex::Collect(ONDXPage* pPage)
283 {
284     if (pPage)
285         m_aCollector.push_back(pPage);
286 }
287 //------------------------------------------------------------------
Release(sal_Bool bSave)288 void ODbaseIndex::Release(sal_Bool bSave)
289 {
290     // Freigeben der Indexressourcen
291     m_bUseCollector = sal_False;
292 
293     if (m_aCurLeaf.Is())
294     {
295         m_aCurLeaf->Release(bSave);
296         m_aCurLeaf.Clear();
297     }
298 
299     // Wurzel freigeben
300     if (m_aRoot.Is())
301     {
302         m_aRoot->Release(bSave);
303         m_aRoot.Clear();
304     }
305     // alle Referenzen freigeben, bevor der FileStream geschlossen wird
306     for (sal_uIntPtr i = 0; i < m_aCollector.size(); i++)
307         m_aCollector[i]->QueryDelete();
308 
309     m_aCollector.clear();
310 
311     // Header modifiziert ?
312     if (bSave && (m_aHeader.db_rootpage != m_nRootPage ||
313         m_aHeader.db_pagecount != m_nPageCount))
314     {
315         m_aHeader.db_rootpage = m_nRootPage;
316         m_aHeader.db_pagecount = m_nPageCount;
317         (*m_pFileStream) << *this;
318     }
319     m_nRootPage = m_nPageCount = 0;
320     m_nCurNode = NODE_NOTFOUND;
321 
322     closeImpl();
323 }
324 // -----------------------------------------------------------------------------
closeImpl()325 void ODbaseIndex::closeImpl()
326 {
327     if(m_pFileStream)
328     {
329         delete m_pFileStream;
330         m_pFileStream = NULL;
331     }
332 }
333 //------------------------------------------------------------------
CreatePage(sal_uInt32 nPagePos,ONDXPage * pParent,sal_Bool bLoad)334 ONDXPage* ODbaseIndex::CreatePage(sal_uInt32 nPagePos, ONDXPage* pParent, sal_Bool bLoad)
335 {
336     OSL_ENSURE(m_pFileStream,"FileStream is not opened!");
337 
338     ONDXPage* pPage;
339     if ( !m_aCollector.empty() )
340     {
341         pPage = *(m_aCollector.rbegin());
342         m_aCollector.pop_back();
343         pPage->SetPagePos(nPagePos);
344         pPage->SetParent(pParent);
345     }
346     else
347         pPage = new ONDXPage(*this, nPagePos, pParent);
348 
349     if (bLoad)
350         (*m_pFileStream) >> *pPage;
351 
352     return pPage;
353 }
354 
355 //------------------------------------------------------------------
operator >>(SvStream & rStream,ODbaseIndex & rIndex)356 SvStream& connectivity::dbase::operator >> (SvStream &rStream, ODbaseIndex& rIndex)
357 {
358     rStream.Seek(0);
359     rStream.Read(&rIndex.m_aHeader,PAGE_SIZE);
360 
361 /* OJ: no longer needed
362     // Text convertierung
363     ByteString aText(rIndex.m_aHeader.db_name);
364     //  aText.Convert(rIndex.m_pTable->getConnection()->GetCharacterSet(), m_pTable->getConnection()->getTextEncoding());
365     //  aText.Convert(rIndex.m_pTable->getConnection()->GetCharacterSet(), m_pTable->getConnection()->getTextEncoding());
366     strcpy(rIndex.m_aHeader.db_name,aText.GetBuffer());
367 */
368     rIndex.m_nRootPage = rIndex.m_aHeader.db_rootpage;
369     rIndex.m_nPageCount = rIndex.m_aHeader.db_pagecount;
370     return rStream;
371 }
372 //------------------------------------------------------------------
operator <<(SvStream & rStream,ODbaseIndex & rIndex)373 SvStream& connectivity::dbase::operator << (SvStream &rStream, ODbaseIndex& rIndex)
374 {
375     rStream.Seek(0);
376 /* OJ: no longer needed
377     ByteString aText(rIndex.m_aHeader.db_name);
378     //  aText.Convert(m_pTable->getConnection()->getTextEncoding(), rIndex.m_pTable->getConnection()->GetCharacterSet());
379     strcpy(rIndex.m_aHeader.db_name,aText.GetBuffer());
380 */
381     OSL_VERIFY_EQUALS( rStream.Write(&rIndex.m_aHeader,PAGE_SIZE), PAGE_SIZE, "Write not successful: Wrong header size for dbase index!");
382     return rStream;
383 }
384 // -------------------------------------------------------------------------
getCompletePath()385 ::rtl::OUString ODbaseIndex::getCompletePath()
386 {
387     ::rtl::OUString sDir = m_pTable->getConnection()->getURL();
388     sDir += OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_DELIMITER);
389     sDir += m_Name;
390     sDir += ::rtl::OUString::createFromAscii(".ndx");
391     return sDir;
392 }
393 //------------------------------------------------------------------
createINFEntry()394 void ODbaseIndex::createINFEntry()
395 {
396     // inf Datei abgleichen
397     String sEntry = m_Name;
398     sEntry += String::CreateFromAscii(".ndx");
399 
400     ::rtl::OUString sCfgFile(m_pTable->getConnection()->getURL());
401     sCfgFile += OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_DELIMITER);
402     sCfgFile += m_pTable->getName();
403     sCfgFile += ::rtl::OUString::createFromAscii(".inf");
404 
405     String sPhysicalPath;
406     LocalFileHelper::ConvertURLToPhysicalName(sCfgFile,sPhysicalPath);
407 
408     Config aInfFile(sPhysicalPath);
409     aInfFile.SetGroup(dBASE_III_GROUP);
410 
411     sal_uInt16 nSuffix = aInfFile.GetKeyCount();
412     ByteString aNewEntry,aKeyName;
413     sal_Bool bCase = isCaseSensitive();
414     while (!aNewEntry.Len())
415     {
416         aNewEntry = "NDX";
417         aNewEntry += ByteString::CreateFromInt32(++nSuffix);
418         for (sal_uInt16 i = 0; i < aInfFile.GetKeyCount(); i++)
419         {
420             aKeyName = aInfFile.GetKeyName(i);
421             if (bCase ? aKeyName == aNewEntry : aKeyName.EqualsIgnoreCaseAscii(aNewEntry))
422             {
423                 aNewEntry.Erase();
424                 break;
425             }
426         }
427     }
428     aInfFile.WriteKey(aNewEntry,ByteString(sEntry,m_pTable->getConnection()->getTextEncoding()));
429 }
430 // -------------------------------------------------------------------------
DropImpl()431 sal_Bool ODbaseIndex::DropImpl()
432 {
433     closeImpl();
434 
435     ::rtl::OUString sPath = getCompletePath();
436     if(UCBContentHelper::Exists(sPath))
437     {
438         if(!UCBContentHelper::Kill(sPath))
439             m_pTable->getConnection()->throwGenericSQLException(STR_COULD_NOT_DELETE_INDEX,*m_pTable);
440     }
441 
442     // InfDatei abgleichen
443 
444     ::rtl::OUString sCfgFile(m_pTable->getConnection()->getURL());
445     sCfgFile += OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_DELIMITER);
446     sCfgFile += m_pTable->getName();
447     sCfgFile += ::rtl::OUString::createFromAscii(".inf");
448 
449     String sPhysicalPath;
450     String sNDX(sCfgFile);
451     OSL_VERIFY_RES( LocalFileHelper::ConvertURLToPhysicalName(sNDX,sPhysicalPath),"Can not convert Config Filename into Physical Name!");
452 
453     Config aInfFile(sPhysicalPath);
454     aInfFile.SetGroup(dBASE_III_GROUP);
455     sal_uInt16 nKeyCnt = aInfFile.GetKeyCount();
456     ByteString aKeyName;
457     String sEntry = m_Name;
458     sEntry += String::CreateFromAscii(".ndx");
459 
460     // delete entries from the inf file
461     for (sal_uInt16 nKey = 0; nKey < nKeyCnt; nKey++)
462     {
463         // Verweist der Key auf ein Indexfile?...
464         aKeyName = aInfFile.GetKeyName( nKey );
465         if (aKeyName.Copy(0,3) == "NDX")
466         {
467             if(sEntry == String(aInfFile.ReadKey(aKeyName),m_pTable->getConnection()->getTextEncoding()))
468             {
469                 aInfFile.DeleteKey(aKeyName);
470                 break;
471             }
472         }
473     }
474     return sal_True;
475 }
476 // -------------------------------------------------------------------------
impl_killFileAndthrowError_throw(sal_uInt16 _nErrorId,const::rtl::OUString & _sFile)477 void ODbaseIndex::impl_killFileAndthrowError_throw(sal_uInt16 _nErrorId,const ::rtl::OUString& _sFile)
478 {
479     closeImpl();
480     if(UCBContentHelper::Exists(_sFile))
481         UCBContentHelper::Kill(_sFile);
482     m_pTable->getConnection()->throwGenericSQLException(_nErrorId,*this);
483 }
484 //------------------------------------------------------------------
CreateImpl()485 sal_Bool ODbaseIndex::CreateImpl()
486 {
487     // Anlegen des Index
488     const ::rtl::OUString sFile = getCompletePath();
489     if(UCBContentHelper::Exists(sFile))
490     {
491         const ::rtl::OUString sError( m_pTable->getConnection()->getResources().getResourceStringWithSubstitution(
492             STR_COULD_NOT_CREATE_INDEX_NAME,
493             "$filename$", sFile
494          ) );
495         ::dbtools::throwGenericSQLException( sError, *this );
496     }
497     // Index ist nur einstufig
498     if (m_pColumns->getCount() > 1)
499         m_pTable->getConnection()->throwGenericSQLException(STR_ONL_ONE_COLUMN_PER_INDEX,*this);
500 
501     Reference<XFastPropertySet> xCol(m_pColumns->getByIndex(0),UNO_QUERY);
502 
503     // ist die Spalte schon indiziert ?
504     if ( !xCol.is() )
505         ::dbtools::throwFunctionSequenceException(*this);
506 //  else if (pColumn && pColumn->IsIndexed())
507 //  {
508 //      String aText = String(OResId(STR_STAT_INDEX_COLUMN_ALREADY_INDEXED));
509 //      aText.SearchAndReplace(String::CreateFromAscii("#"),pColumn->GetName());
510 //      aStatus.Set(SDB_STAT_ERROR,
511 //              String::CreateFromAscii("01000"),
512 //              aStatus.CreateErrorMessage(aText),
513 //              0, String() );
514 //      return sal_False;
515 //  }
516 
517     // create the index file
518     m_pFileStream = OFileTable::createStream_simpleError(sFile,STREAM_READWRITE | STREAM_SHARE_DENYWRITE | STREAM_TRUNC);
519     if (!m_pFileStream)
520     {
521         const ::rtl::OUString sError( m_pTable->getConnection()->getResources().getResourceStringWithSubstitution(
522             STR_COULD_NOT_LOAD_FILE,
523             "$filename$", sFile
524          ) );
525         ::dbtools::throwGenericSQLException( sError, *this );
526     }
527 
528     m_pFileStream->SetNumberFormatInt(NUMBERFORMAT_INT_LITTLEENDIAN);
529     m_pFileStream->SetBufferSize(PAGE_SIZE);
530     m_pFileStream->SetFiller('\0');
531 
532     // Zunaechst muss das Ergebnis sortiert sein
533     utl::SharedUNOComponent<XStatement> xStmt;
534     utl::SharedUNOComponent<XResultSet> xSet;
535     String aName;
536     try
537     {
538         xStmt.set( m_pTable->getConnection()->createStatement(), UNO_SET_THROW);
539 
540         aName = getString(xCol->getFastPropertyValue(PROPERTY_ID_NAME));
541 
542         const String aQuote(m_pTable->getConnection()->getMetaData()->getIdentifierQuoteString());
543         String aStatement;
544         aStatement.AssignAscii("SELECT ");
545         aStatement += aQuote;
546         aStatement += aName;
547         aStatement += aQuote;
548         aStatement.AppendAscii(" FROM ");
549         aStatement += aQuote;
550         aStatement += m_pTable->getName().getStr();
551         aStatement += aQuote;
552         aStatement.AppendAscii(" ORDER BY ");
553         aStatement += aQuote;
554         aStatement += aName;
555         aStatement += aQuote;
556 
557 //      if (!m_IsUnique) // zusaetzlich sortierung mit der bookmarkspalte
558 //      {
559 //          aStatement.AppendAscii(" ,");
560 //          aStatement += aQuote;
561 //          aStatement.AppendAscii("[BOOKMARK]"); // this is a special column
562 //          aStatement += aQuote;
563 //      }
564 
565         xSet.set( xStmt->executeQuery(aStatement),UNO_SET_THROW );
566     }
567     catch(const Exception& )
568     {
569         impl_killFileAndthrowError_throw(STR_COULD_NOT_CREATE_INDEX,sFile);
570     }
571     if (!xSet.is())
572     {
573         impl_killFileAndthrowError_throw(STR_COULD_NOT_CREATE_INDEX,sFile);
574     }
575 
576     // Setzen der Headerinfo
577     memset(&m_aHeader,0,sizeof(m_aHeader));
578     sal_Int32 nType = 0;
579     ::vos::ORef<OSQLColumns> aCols = m_pTable->getTableColumns();
580     const Reference< XPropertySet > xTableCol(*find(aCols->get().begin(),aCols->get().end(),aName,::comphelper::UStringMixEqual(isCaseSensitive())));
581 
582     xTableCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_TYPE)) >>= nType;
583 
584     m_aHeader.db_keytype = (nType == DataType::VARCHAR || nType == DataType::CHAR) ? 0 : 1;
585     m_aHeader.db_keylen  = (m_aHeader.db_keytype) ? 8 : (sal_uInt16)getINT32(xTableCol->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_PRECISION)));
586     m_aHeader.db_keylen = (( m_aHeader.db_keylen - 1) / 4 + 1) * 4;
587     m_aHeader.db_maxkeys = (PAGE_SIZE - 4) / (8 + m_aHeader.db_keylen);
588     if ( m_aHeader.db_maxkeys < 3 )
589     {
590         impl_killFileAndthrowError_throw(STR_COULD_NOT_CREATE_INDEX_KEYSIZE,sFile);
591     }
592 
593     m_pFileStream->SetStreamSize(PAGE_SIZE);
594 
595     ByteString aCol(aName,m_pTable->getConnection()->getTextEncoding());
596     strncpy(m_aHeader.db_name,aCol.GetBuffer(),std::min((sal_uInt16)sizeof(m_aHeader.db_name), aCol.Len()));
597     m_aHeader.db_unique  = m_IsUnique ? 1: 0;
598     m_aHeader.db_keyrec  = m_aHeader.db_keylen + 8;
599 
600     // modifizierung am Header werden ueber Unterschiede zw. HeaderInfo und nRootPage
601     // bzw. nPageCout erkannt
602 
603     m_nRootPage = 1;
604     m_nPageCount = 2;
605 
606     //  ODatabaseType eType = m_aHeader.db_keytype == 0 ? DataType::VARCHAR : DataType::DOUBLE;
607     m_aCurLeaf = m_aRoot = CreatePage(m_nRootPage);
608     m_aRoot->SetModified(sal_True);
609 
610     m_bUseCollector = sal_True;
611 
612     //  sal_uIntPtr nRowsLeft = pCursor->RowCount();
613     sal_Int32 nRowsLeft = 0;
614     Reference<XRow> xRow(xSet,UNO_QUERY);
615 
616     if(xSet->last())
617     {
618         Reference< XUnoTunnel> xTunnel(xSet,UNO_QUERY);
619         ODbaseResultSet* pDbaseRes = NULL;
620         if(xTunnel.is())
621             pDbaseRes = reinterpret_cast< ODbaseResultSet* >( xTunnel->getSomething(ODbaseResultSet::getUnoTunnelImplementationId()) );
622         OSL_ENSURE(pDbaseRes,"No dbase resultset found? What's going on here!");
623         Reference<XRowLocate> xRowLocate(xSet,UNO_QUERY);
624         nRowsLeft = xSet->getRow();
625 
626         xSet->beforeFirst();
627         ORowSetValue    atmpValue=ORowSetValue();
628         ONDXKey aKey(atmpValue, nType, 0);
629         ONDXKey aInsertKey(atmpValue, nType, 0);
630         // Erzeugen der Indexstruktur
631         while (xSet->next())
632         {
633             //  ODbRow& rRow = *pCursor->GetRow();
634             ORowSetValue aValue(m_aHeader.db_keytype ? ORowSetValue(xRow->getDouble(1)) : ORowSetValue(xRow->getString(1)));
635             // ueberpruefen auf doppelten eintrag
636             if (m_IsUnique && m_nCurNode != NODE_NOTFOUND)
637             {
638                 aKey.setValue(aValue);
639                 if (aKey == (*m_aCurLeaf)[m_nCurNode].GetKey())
640                 {
641                     impl_killFileAndthrowError_throw(STR_COULD_NOT_CREATE_INDEX_NOT_UNIQUE,sFile);
642                 }
643             }
644             aInsertKey.setValue(aValue);
645             aInsertKey.setRecord(pDbaseRes->getCurrentFilePos());
646 
647             ONDXNode aNewNode(aInsertKey);
648             if (!m_aCurLeaf->Insert(aNewNode, --nRowsLeft))
649                 break;
650         }
651     }
652 
653     if(nRowsLeft)
654     {
655         impl_killFileAndthrowError_throw(STR_COULD_NOT_CREATE_INDEX,sFile);
656     }
657     Release();
658     createINFEntry();
659     return sal_True;
660 }
661 // -----------------------------------------------------------------------------
662 // -----------------------------------------------------------------------------
acquire()663 void SAL_CALL ODbaseIndex::acquire() throw()
664 {
665     ODbaseIndex_BASE::acquire();
666 }
667 // -----------------------------------------------------------------------------
release()668 void SAL_CALL ODbaseIndex::release() throw()
669 {
670     ODbaseIndex_BASE::release();
671 }
672 // -----------------------------------------------------------------------------
673 
674 
675 
676