コード例 #1
0
ファイル: sqlbase.c プロジェクト: ItamarLins/harbour-core
static HB_ERRCODE sqlbaseGoHot( SQLBASEAREAP pArea )
{
   PHB_ITEM  pArray, pItem;
   HB_USHORT us;

   pArray = hb_itemArrayNew( pArea->area.uiFieldCount );
   for( us = 1; us <= pArea->area.uiFieldCount; us++ )
   {
      pItem = hb_itemNew( NULL );
      if( SELF_GETVALUE( ( AREAP ) pArea, us, pItem ) == HB_SUCCESS )
         hb_arraySetForward( pArray, us, pItem );
      hb_itemRelease( pItem );
   }
   pArea->pRecord        = pArray;
   pArea->bRecordFlags  |= SQLDD_FLAG_CACHED;
   pArea->fRecordChanged = HB_TRUE;
   return HB_SUCCESS;
}
コード例 #2
0
ファイル: debug.c プロジェクト: philippe78/TrioGesmag
/* $Doc$
 * $FuncName$     AddToArray( <pItem>, <pReturn>, <uiPos> )
 * $Description$  Add <pItem> to array <pReturn> at pos <uiPos>
 * $End$ */
static void AddToArray( PHB_ITEM pItem, PHB_ITEM pReturn, ULONG ulPos )
{
   HB_ITEM_NEW( Temp );

   HB_TRACE(HB_TR_DEBUG, ("AddToArray(%p, %p, %lu)", pItem, pReturn, ulPos));

   if( pItem->type == HB_IT_SYMBOL )
   {
      int iLen = strlen( pItem->item.asSymbol.value->szName ) + 2;
      char *sTemp = (char *) hb_xgrab( iLen + 1 );

      hb_snprintf( sTemp, iLen + 1, "[%s]", pItem->item.asSymbol.value->szName );

      hb_itemPutCPtr( &Temp, sTemp, iLen );

      hb_arraySetForward( pReturn, ulPos, &Temp );
      // hb_itemRelease( pTemp );               /* Get rid of temporary str.*/
   }
   else                                         /* Normal types             */
   {
      hb_arraySet( pReturn, ulPos, pItem );
   }
}
コード例 #3
0
ファイル: sqlbase.c プロジェクト: ItamarLins/harbour-core
static HB_ERRCODE sqlbaseCreate( SQLBASEAREAP pArea, LPDBOPENINFO pOpenInfo )
{
   PHB_ITEM  pItemEof, pItem;
   HB_USHORT uiCount;
   HB_BOOL   bError;

   pArea->ulConnection = pOpenInfo->ulConnection ? pOpenInfo->ulConnection : s_ulConnectionCurrent;

   if( pArea->ulConnection > s_ulConnectionCount ||
       ( pArea->ulConnection && ! s_pConnection[ pArea->ulConnection - 1 ] ) )
   {
      hb_errRT_SQLBASE( EG_OPEN, ESQLDD_NOTCONNECTED, "Not connected", NULL );
      return HB_FAILURE;
   }

   if( pArea->ulConnection )
   {
      pArea->pConnection = s_pConnection[ pArea->ulConnection - 1 ];
      pArea->pConnection->uiAreaCount++;
      pArea->pSDD = pArea->pConnection->pSDD;
   }
   else
      pArea->pSDD = &sddNull;

   pItemEof = hb_itemArrayNew( pArea->area.uiFieldCount );

   bError = HB_FALSE;
   for( uiCount = 0; uiCount < pArea->area.uiFieldCount; uiCount++ )
   {
      LPFIELD pField = pArea->area.lpFields + uiCount;

      switch( pField->uiType )
      {
         case HB_FT_STRING:
         {
            char * pStr;

            pStr = ( char * ) hb_xgrab( pField->uiLen + 1 );
            memset( pStr, ' ', pField->uiLen );
            pStr[ pField->uiLen ] = '\0';

            pItem = hb_itemPutCL( NULL, pStr, pField->uiLen );
            hb_xfree( pStr );
            break;
         }

         case HB_FT_MEMO:
            pItem = hb_itemPutC( NULL, NULL );
            break;

         case HB_FT_INTEGER:
            if( pField->uiDec )
               pItem = hb_itemPutND( NULL, 0.0 );
            else
               pItem = hb_itemPutNI( NULL, 0 );
            break;

         case HB_FT_LONG:
            if( pField->uiDec )
               pItem = hb_itemPutND( NULL, 0.0 );
            else
               pItem = hb_itemPutNL( NULL, 0 );
            break;

         case HB_FT_FLOAT:
            pItem = hb_itemPutND( NULL, 0.0 );
            break;

         case HB_FT_DOUBLE:
            pItem = hb_itemPutND( NULL, 0.0 );
            break;

         case HB_FT_DATE:
            pItem = hb_itemPutDS( NULL, NULL );
            break;

         case HB_FT_LOGICAL:
            pItem = hb_itemPutL( NULL, HB_FALSE );
            break;

         default:
            pItem  = hb_itemNew( NULL );
            bError = HB_TRUE;
            break;
      }

      hb_arraySetForward( pItemEof, uiCount + 1, pItem );
      hb_itemRelease( pItem );

      if( bError )
         break;
   }

   if( bError )
   {
      hb_itemClear( pItemEof );
      hb_itemRelease( pItemEof );
      hb_errRT_SQLBASE( EG_CORRUPTION, ESQLDD_INVALIDFIELD, "Invalid field type", NULL );
      SELF_CLOSE( ( AREAP ) pArea );
      return HB_FAILURE;
   }

   pArea->ulRecCount = 0;

   pArea->pRow      = ( void ** ) hb_xalloc( SQLDD_ROWSET_RESIZE * sizeof( void * ) );
   pArea->pRowFlags = ( HB_BYTE * ) hb_xalloc( SQLDD_ROWSET_RESIZE * sizeof( HB_BYTE ) );
   pArea->ulRecMax  = SQLDD_ROWSET_RESIZE;

   *( pArea->pRow )      = pItemEof;
   pArea->pRowFlags[ 0 ] = SQLDD_FLAG_CACHED;
   pArea->fFetched       = HB_TRUE;

   if( SUPER_CREATE( ( AREAP ) pArea, pOpenInfo ) != HB_SUCCESS )
   {
      SELF_CLOSE( ( AREAP ) pArea );
      return HB_FAILURE;
   }

   return SELF_GOTOP( ( AREAP ) pArea );
}
コード例 #4
0
ファイル: hbserv.c プロジェクト: philippe78/TrioGesmag
//-------------------------------
// Manager of signals for windows
//
static LONG s_signalHandler( int type, int sig, PEXCEPTION_RECORD exc )
{
   PHB_ITEM pFunction, pExecArray, pRet;
   ULONG ulPos;
   UINT uiSig, uiMask;
   int iRet;

   // let's find the right signal handler.
   HB_CRITICAL_LOCK( s_ServiceMutex );

   // avoid working if PRG signal handling has been disabled
   if ( ! bSignalEnabled )
   {
      HB_CRITICAL_UNLOCK( s_ServiceMutex );
      return EXCEPTION_EXECUTE_HANDLER;
   }

   bSignalEnabled = FALSE;
   ulPos = hb_arrayLen( sp_hooks );
   // subsig not necessary
   uiSig = (UINT) s_translateSignal( (UINT)type, (UINT)sig );

   while( ulPos > 0 )
   {
      pFunction = hb_arrayGetItemPtr( sp_hooks, ulPos );
      uiMask = (UINT) hb_arrayGetNI( pFunction, 1 );
      if ( (uiMask & uiSig) == uiSig )
      {
         // we don't unlock the mutex now, even if it is
         // a little dangerous. But we are in a signal hander...
         // for now just 2 parameters
         pExecArray = hb_itemArrayNew( 3 );
         hb_arraySetForward( pExecArray, 1, hb_arrayGetItemPtr( pFunction, 2 ) );
         hb_arraySetNI( pExecArray, 2, uiSig );

         /* the third parameter is an array:
         * 1: low-level signal
         * 2: low-level subsignal
         * 3: low-level system error
         * 4: address that rised the signal
         * 5: process id of the signal riser
         * 6: UID of the riser
         */

         pRet = hb_arrayGetItemPtr( pExecArray, 3);
         hb_arrayNew( pRet, 6 );

         hb_arraySetNI( pRet, HB_SERVICE_OSSIGNAL, type );
         hb_arraySetNI( pRet, HB_SERVICE_OSSUBSIG, sig );
         //could be meaningless, but does not matter here
         hb_arraySetNI( pRet, HB_SERVICE_OSERROR, GetLastError() );

         if (type == 0 ) //exception
         {
            hb_arraySetPtr( pRet, HB_SERVICE_ADDRESS, ( void * ) exc->ExceptionAddress );
         }
         else
         {
            hb_arraySetPtr( pRet, HB_SERVICE_ADDRESS, NULL );
         }
         //TODO:
         hb_arraySetNI( pRet, HB_SERVICE_PROCESS, GetCurrentThreadId() );
         //TODO:
         hb_arraySetNI( pRet, HB_SERVICE_UID, 0 );

         pRet = hb_itemDo( pExecArray, 0 );
         iRet = hb_itemGetNI( pRet );
         hb_itemRelease( pRet );
         hb_itemRelease( pExecArray );

         switch( iRet )
         {
            case HB_SERVICE_HANDLED:
               bSignalEnabled = TRUE;
               HB_CRITICAL_UNLOCK( s_ServiceMutex );
               return EXCEPTION_CONTINUE_EXECUTION;

            case HB_SERVICE_QUIT:
               bSignalEnabled = FALSE;
               HB_CRITICAL_UNLOCK( s_ServiceMutex );
               hb_vmRequestQuit();
               #ifndef HB_THREAD_SUPPORT
                  hb_vmQuit();
                  exit(0);
               #else
                  hb_threadCancelInternal();
               #endif

         }
      }
      ulPos--;
   }

   bSignalEnabled = TRUE;
   return EXCEPTION_EXECUTE_HANDLER;
}
コード例 #5
0
ファイル: sddpg.c プロジェクト: ggargano/hbtest2
static HB_ERRCODE pgsqlOpen( SQLBASEAREAP pArea )
{
   PGconn *       pConn = ( ( SDDCONN * ) pArea->pConnection->pSDDConn )->pConn;
   SDDDATA *      pSDDData;
   PGresult *     pResult;
   ExecStatusType status;
   PHB_ITEM       pItemEof, pItem;
   HB_USHORT      uiFields, uiCount;
   HB_BOOL        bError;
   DBFIELDINFO    pFieldInfo;

   pArea->pSDDData = memset( hb_xgrab( sizeof( SDDDATA ) ), 0, sizeof( SDDDATA ) );
   pSDDData        = ( SDDDATA * ) pArea->pSDDData;

   pResult = PQexec( pConn, pArea->szQuery );
   if( ! pResult )
   {
      hb_errRT_PostgreSQLDD( EG_OPEN, ESQLDD_LOWMEMORY, "Query failed", NULL, 0 );  /* Low memory, etc */
      return HB_FAILURE;
   }

   status = PQresultStatus( pResult );
   if( status != PGRES_TUPLES_OK && status != PGRES_COMMAND_OK )
   {
      hb_errRT_PostgreSQLDD( EG_OPEN, ESQLDD_INVALIDQUERY, PQresultErrorMessage( pResult ), pArea->szQuery, ( HB_ERRCODE ) status );
      PQclear( pResult );
      return HB_FAILURE;
   }

   pSDDData->pResult = pResult;

   uiFields = ( HB_USHORT ) PQnfields( pResult );
   SELF_SETFIELDEXTENT( ( AREAP ) pArea, uiFields );

   pItemEof = hb_itemArrayNew( uiFields );
   pItem    = hb_itemNew( NULL );

   bError = HB_FALSE;
   for( uiCount = 0; uiCount < uiFields; uiCount++ )
   {
      pFieldInfo.atomName = PQfname( pResult, ( int ) uiCount );
      pFieldInfo.uiDec    = 0;

      switch( PQftype( pResult, ( int ) uiCount ) )
      {
         case BPCHAROID:
         case VARCHAROID:
            pFieldInfo.uiType = HB_FT_STRING;
            pFieldInfo.uiLen  = ( HB_USHORT ) PQfmod( pResult, uiCount ) - 4;
            break;

         case TEXTOID:
            pFieldInfo.uiType = HB_FT_MEMO;
            pFieldInfo.uiLen  = 10;
            break;

         case NUMERICOID:
            pFieldInfo.uiType = HB_FT_DOUBLE;
            pFieldInfo.uiLen  = ( PQfmod( pResult, uiCount ) - 4 ) >> 16;
            pFieldInfo.uiDec  = ( PQfmod( pResult, uiCount ) - 4 ) & 0xFFFF;
            break;

         case INT2OID:
            pFieldInfo.uiType = HB_FT_INTEGER;
            pFieldInfo.uiLen  = 6;
            break;

         case INT4OID:
            pFieldInfo.uiType = HB_FT_INTEGER;
            pFieldInfo.uiLen  = 11;
            break;

         case INT8OID:
         case OIDOID:
            pFieldInfo.uiType = HB_FT_LONG;
            pFieldInfo.uiLen  = 20;
            break;

         case FLOAT4OID:
         case FLOAT8OID:
         case CASHOID:  /* TODO: ??? */
            pFieldInfo.uiType = HB_FT_DOUBLE;
            pFieldInfo.uiLen  = 16;
            pFieldInfo.uiDec  = 2;   /* TODO: hb_set.SET_DECIMALS ??? */
            break;

         case BOOLOID:
            pFieldInfo.uiType = HB_FT_LOGICAL;
            pFieldInfo.uiLen  = 1;
            break;

         case DATEOID:
            pFieldInfo.uiType = HB_FT_DATE;
            pFieldInfo.uiLen  = 8;
            break;

         case INETOID:
            pFieldInfo.uiType = HB_FT_STRING;
            pFieldInfo.uiLen  = 29;
            break;

         case CIDROID:
            pFieldInfo.uiType = HB_FT_STRING;
            pFieldInfo.uiLen  = 32;
            break;

         case MACADDROID:
            pFieldInfo.uiType = HB_FT_STRING;
            pFieldInfo.uiLen  = 17;
            break;

         case BITOID:
         case VARBITOID:
            pFieldInfo.uiType = HB_FT_STRING;
            pFieldInfo.uiLen  = ( HB_USHORT ) PQfsize( pResult, uiCount );
            break;

         case TIMEOID:
            pFieldInfo.uiType = HB_FT_STRING;
            pFieldInfo.uiLen  = 12;
            break;

         case TIMESTAMPOID:
            pFieldInfo.uiType = HB_FT_STRING;
            pFieldInfo.uiLen  = 23;
            break;

         case TIMETZOID:
            pFieldInfo.uiType = HB_FT_STRING;
            pFieldInfo.uiLen  = 15;
            break;

         case TIMESTAMPTZOID:
            pFieldInfo.uiType = HB_FT_STRING;
            pFieldInfo.uiLen  = 26;
            break;

         case NAMEOID:
            pFieldInfo.uiType = HB_FT_STRING;
            pFieldInfo.uiLen  = 63;
            break;

         case BYTEAOID:
            pFieldInfo.uiType = HB_FT_STRING;
            pFieldInfo.uiLen  = 0;
            break;

         default:
            pFieldInfo.uiType = 0;
            pFieldInfo.uiLen  = 0;
            bError = HB_TRUE;
            break;
      }
      /* printf( "field:%s \ttype:%d \tsize:%d \tformat:%d \tmod:%d err=%d\n", pFieldInfo.atomName, PQftype( pResult, ( int ) uiCount ), PQfsize( pResult, uiCount ), PQfformat( pResult, uiCount ) , PQfmod( pResult, uiCount ), bError ); */

      if( ! bError )
      {
         switch( pFieldInfo.uiType )
         {
            case HB_FT_STRING:
            {
               char * pStr;

               pStr = ( char * ) hb_xgrab( pFieldInfo.uiLen + 1 );
               memset( pStr, ' ', pFieldInfo.uiLen );
               pStr[ pFieldInfo.uiLen ] = '\0';

               hb_itemPutCL( pItem, pStr, pFieldInfo.uiLen );
               hb_xfree( pStr );
               break;
            }
            case HB_FT_MEMO:
               hb_itemPutC( pItem, NULL );
               hb_itemSetCMemo( pItem );
               break;

            case HB_FT_INTEGER:
               hb_itemPutNI( pItem, 0 );
               break;

            case HB_FT_LONG:
               hb_itemPutNL( pItem, 0 );
               break;

            case HB_FT_DOUBLE:
               hb_itemPutND( pItem, 0.0 );
               break;

            case HB_FT_LOGICAL:
               hb_itemPutL( pItem, HB_FALSE );
               break;

            case HB_FT_DATE:
               hb_itemPutDS( pItem, NULL );
               break;

            default:
               hb_itemClear( pItem );
               bError = HB_TRUE;
               break;
         }

         hb_arraySetForward( pItemEof, uiCount + 1, pItem );

/*       if( pFieldInfo.uiType == HB_IT_DOUBLE || pFieldInfo.uiType == HB_IT_INTEGER )
            pFieldInfo.uiType = HB_IT_LONG;
 */

         if( ! bError )
            bError = ( SELF_ADDFIELD( ( AREAP ) pArea, &pFieldInfo ) == HB_FAILURE );
      }

      if( bError )
         break;
   }

   hb_itemRelease( pItem );

   if( bError )
   {
      hb_itemClear( pItemEof );
      hb_itemRelease( pItemEof );
      hb_errRT_PostgreSQLDD( EG_CORRUPTION, ESQLDD_INVALIDFIELD, "Invalid field type", pArea->szQuery, 0 );
      return HB_FAILURE;
   }

   pArea->ulRecCount = ( HB_ULONG ) PQntuples( pResult );

   pArea->pRow      = ( void ** ) hb_xgrab( ( pArea->ulRecCount + 1 ) * sizeof( void * ) );
   pArea->pRowFlags = ( HB_BYTE * ) hb_xgrab( ( pArea->ulRecCount + 1 ) * sizeof( HB_BYTE ) );
   memset( pArea->pRowFlags, 0, ( pArea->ulRecCount + 1 ) * sizeof( HB_BYTE ) );

   *pArea->pRow = pItemEof;
   pArea->pRowFlags[ 0 ] = SQLDD_FLAG_CACHED;
   pArea->fFetched       = HB_TRUE;

   return HB_SUCCESS;
}
コード例 #6
0
ファイル: core.c プロジェクト: AmericoBalboa/core
static HB_ERRCODE sqlite3GoTo( SQLBASEAREAP pArea, HB_ULONG ulRecNo )
{
   sqlite3_stmt * st = ( ( SDDDATA * ) pArea->pSDDData )->pStmt;

   while( ulRecNo > pArea->ulRecCount && ! pArea->fFetched )
   {
      PHB_ITEM  pArray;
      HB_USHORT ui;

      pArray = hb_itemArrayNew( pArea->area.uiFieldCount );

      for( ui = 0; ui < pArea->area.uiFieldCount; ++ui )
      {
         PHB_ITEM pItem  = NULL;
         LPFIELD  pField = pArea->area.lpFields + ui;
         HB_USHORT uiType = pField->uiType;

         if( uiType == HB_FT_ANY )
         {
            switch( sqlite3_column_type( st, ui ) )
            {
               case SQLITE_TEXT:
                  uiType = HB_FT_STRING;
                  break;

               case SQLITE_FLOAT:
               case SQLITE_INTEGER:
                  uiType = HB_FT_LONG;
                  break;

               case SQLITE_BLOB:
                  uiType = HB_FT_BLOB;
                  break;
            }
         }

         switch( uiType )
         {
            case HB_FT_STRING:
               pItem = S_HB_ITEMPUTSTR( NULL, ( const char * ) sqlite3_column_text( st, ui ) );
               break;

            case HB_FT_INTEGER:
#if HB_VMLONG_MAX > INT32_MAX && ! defined( HB_LONG_LONG_OFF )
               pItem = hb_itemPutNInt( NULL, sqlite3_column_int64( st, ui ) );
               break;
#endif
            case HB_FT_LONG:
               pItem = hb_itemPutNDDec( NULL, sqlite3_column_double( st, ui ), pField->uiDec );
               break;

            case HB_FT_BLOB:
               pItem = hb_itemPutCL( NULL, ( const char * ) sqlite3_column_blob( st, ui ), sqlite3_column_bytes( st, ui ) );
               break;
         }

         if( pItem )
         {
            hb_arraySetForward( pArray, ui + 1, pItem );
            hb_itemRelease( pItem );
         }
      }
      if( pArea->ulRecCount + 1 >= pArea->ulRecMax )
      {
         pArea->pRow      = ( void ** ) hb_xrealloc( pArea->pRow, ( pArea->ulRecMax + SQLDD_ROWSET_RESIZE ) * sizeof( void * ) );
         pArea->pRowFlags = ( HB_BYTE * ) hb_xrealloc( pArea->pRowFlags, ( pArea->ulRecMax + SQLDD_ROWSET_RESIZE ) * sizeof( HB_BYTE ) );
         pArea->ulRecMax += SQLDD_ROWSET_RESIZE;
      }

      pArea->ulRecCount++;
      pArea->pRow[ pArea->ulRecCount ]      = pArray;
      pArea->pRowFlags[ pArea->ulRecCount ] = SQLDD_FLAG_CACHED;

      if( sqlite3_step( st ) != SQLITE_ROW )
      {
         pArea->fFetched = HB_TRUE;
         break;
      }
   }

   if( ulRecNo == 0 || ulRecNo > pArea->ulRecCount )
   {
      pArea->pRecord      = pArea->pRow[ 0 ];
      pArea->bRecordFlags = pArea->pRowFlags[ 0 ];
      pArea->fPositioned  = HB_FALSE;
   }
   else
   {
      pArea->pRecord      = pArea->pRow[ ulRecNo ];
      pArea->bRecordFlags = pArea->pRowFlags[ ulRecNo ];
      pArea->fPositioned  = HB_TRUE;
   }
   return HB_SUCCESS;
}
コード例 #7
0
ファイル: sddsqlt3.c プロジェクト: xharbour/core
static HB_ERRCODE sqlite3GoTo( SQLBASEAREAP pArea, HB_ULONG ulRecNo )
{
   sqlite3_stmt * st = ( ( SDDDATA * ) pArea->pSDDData )->pStmt;

   while( ulRecNo > pArea->ulRecCount && ! pArea->fFetched )
   {
      PHB_ITEM pArray;
      HB_USHORT ui;

      if( sqlite3_step( st ) != SQLITE_ROW )
      {
         pArea->fFetched = HB_TRUE;
         break;
      }

      pArray = hb_itemArrayNew( pArea->area.uiFieldCount );

      for( ui = 0; ui < pArea->area.uiFieldCount; ++ui )
      {
         PHB_ITEM pItem = NULL;
         LPFIELD pField = pArea->area.lpFields + ui;

         switch( pField->uiType )
         {
            case HB_FT_STRING:
               pItem = S_HB_ITEMPUTSTR( NULL, ( const char * ) sqlite3_column_text( st, ui ) );
               break;

            case HB_FT_LONG:
            case HB_FT_INTEGER:
               if( pField->uiDec == 0 )
#if HB_VMLONG_MAX == INT32_MAX || defined( HB_LONG_LONG_OFF )
                  pItem = hb_itemPutNIntLen( NULL, sqlite3_column_int( st, ui ), pField->uiLen );
#else
                  pItem = hb_itemPutNIntLen( NULL, sqlite3_column_int64( st, ui ), pField->uiLen );
#endif
               else
                  pItem = hb_itemPutNDLen( NULL, sqlite3_column_double( st, ui ), pField->uiLen, pField->uiDec );
               break;

            case HB_FT_BLOB:
               pItem = hb_itemPutCL( NULL, ( const char * ) sqlite3_column_blob( st, ui ), sqlite3_column_bytes( st, ui ) );
               break;
         }

         if( pItem )
         {
            hb_arraySetForward( pArray, ui + 1, pItem );
            hb_itemRelease( pItem );
         }
      }
      if( pArea->ulRecCount + 1 <= pArea->ulRecMax )
      {
         pArea->pRow = ( void ** ) hb_xrealloc( pArea->pRow, ( pArea->ulRecMax + SQLDD_ROWSET_RESIZE ) * sizeof( void * ) );
         pArea->pRowFlags = ( HB_BYTE * ) hb_xrealloc( pArea->pRowFlags, ( pArea->ulRecMax + SQLDD_ROWSET_RESIZE ) * sizeof( HB_BYTE ) );
         pArea->ulRecMax += SQLDD_ROWSET_RESIZE;
      }

      pArea->ulRecCount++;
      pArea->pRow[ pArea->ulRecCount ] = pArray;
      pArea->pRowFlags[ pArea->ulRecCount ] = SQLDD_FLAG_CACHED;
   }
コード例 #8
0
ファイル: sddsqlt3.c プロジェクト: xharbour/core
static HB_ERRCODE sqlite3Open( SQLBASEAREAP pArea )
{
   sqlite3 * pDb = ( ( SDDCONN * ) pArea->pConnection->pSDDConn )->pDb;
   sqlite3_stmt * st = NULL;
   SDDDATA * pSDDData;
   const char * pszQuery;
   HB_SIZE nQueryLen;
   void * hQuery;
   HB_USHORT uiFields, uiIndex;
   PHB_ITEM pItemEof, pItem;
   HB_ERRCODE errCode;
   char * szError;
   HB_BOOL bError;

   pArea->pSDDData = memset( hb_xgrab( sizeof( SDDDATA ) ), 0, sizeof( SDDDATA ) );
   pSDDData = ( SDDDATA * ) pArea->pSDDData;

   pItem = hb_itemPutC( NULL, pArea->szQuery );
   pszQuery = S_HB_ITEMGETSTR( pItem, &hQuery, &nQueryLen );

   if( sqlite3_prepare_v2( pDb, pszQuery, ( int ) nQueryLen, &st, NULL ) != SQLITE_OK )
   {
      hb_strfree( hQuery );
      hb_itemRelease( pItem );
      szError = sqlite3GetError( pDb, &errCode );
      hb_errRT_SQLT3DD( EG_OPEN, ESQLDD_INVALIDQUERY, szError, pArea->szQuery, errCode );
      sqlite3_finalize( st );
      hb_xfree( szError );
      return HB_FAILURE;
   }
   else
   {
      hb_strfree( hQuery );
      hb_itemRelease( pItem );
   }

   if( sqlite3_step( st ) != SQLITE_ROW )
   {
      szError = sqlite3GetError( pDb, &errCode );
      hb_errRT_SQLT3DD( EG_OPEN, ESQLDD_INVALIDQUERY, szError, pArea->szQuery, errCode );
      sqlite3_finalize( st );
      hb_xfree( szError );
      return HB_FAILURE;
   }

   uiFields = ( HB_USHORT ) sqlite3_column_count( st );
   SELF_SETFIELDEXTENT( ( AREAP ) pArea, uiFields );

   pItemEof = hb_itemArrayNew( uiFields );

   /* HB_TRACE( HB_TR_ALWAYS, ("fieldcount=%d", iNameLen) ); */

   errCode = 0;
   bError = HB_FALSE;
   for( uiIndex = 0; uiIndex < uiFields; ++uiIndex )
   {
      DBFIELDINFO pFieldInfo;

      PHB_ITEM pName;

      int iDataType;
      int iSize;
      int iDec;

      pName = S_HB_ITEMPUTSTR( NULL, sqlite3_column_name( st, uiIndex ) );
      pFieldInfo.atomName = hb_itemGetCPtr( pName );

      iDataType = sqlite3_column_type( st, uiIndex );

      iSize = sqlite3_column_bytes( st, uiIndex );
      iDec = 0;

      pFieldInfo.uiLen = ( HB_USHORT ) iSize;
      pFieldInfo.uiDec = ( HB_USHORT ) iDec;

      /* HB_TRACE( HB_TR_ALWAYS, ("field: name=%s type=%d len=%d dec=%d nullable=%d", pFieldInfo.atomName, iDataType, iSize, iDec ) ); */

      switch( iDataType )
      {
         case SQLITE_TEXT:
            pFieldInfo.uiType = HB_FT_STRING;
            break;

         case SQLITE_FLOAT:
         case SQLITE_INTEGER:
            pFieldInfo.uiType = HB_FT_LONG;
            break;

         case SQLITE_BLOB:
            pFieldInfo.uiType = HB_FT_BLOB;
            break;

         default:
            /* HB_TRACE( HB_TR_ALWAYS, ("new sql type=%d", iDataType) ); */
            bError = HB_TRUE;
            errCode = ( HB_ERRCODE ) iDataType;
            pFieldInfo.uiType = 0;
            pFieldInfo.uiType = HB_FT_STRING;
            break;
      }

      if( ! bError )
      {
         switch( pFieldInfo.uiType )
         {
            case HB_FT_STRING:
            {
               char * pStr = ( char * ) hb_xgrab( ( HB_SIZE ) pFieldInfo.uiLen + 1 );
               memset( pStr, ' ', pFieldInfo.uiLen );
               pStr[ pFieldInfo.uiLen ] = '\0';

               pItem = hb_itemPutCLPtr( NULL, pStr, pFieldInfo.uiLen );
               break;
            }
            case HB_FT_BLOB:
               pItem = hb_itemPutC( NULL, NULL );
               break;

            case HB_FT_LONG:
               if( pFieldInfo.uiDec == 0 )
                  pItem = hb_itemPutNLLen( NULL, 0, pFieldInfo.uiLen );
               else
                  pItem = hb_itemPutNDLen( NULL, 0.0, pFieldInfo.uiLen, pFieldInfo.uiDec );
               break;

            default:
               pItem = hb_itemNew( NULL );
               bError = HB_TRUE;
         }

         hb_arraySetForward( pItemEof, uiIndex + 1, pItem );
         hb_itemRelease( pItem );

         if( ! bError )
            bError = ( SELF_ADDFIELD( ( AREAP ) pArea, &pFieldInfo ) == HB_FAILURE );
      }

      hb_itemRelease( pName );

      if( bError )
         break;
   }

   if( bError )
   {
      hb_itemRelease( pItemEof );
      sqlite3_finalize( st );
      hb_errRT_SQLT3DD( EG_CORRUPTION, ESQLDD_INVALIDFIELD, "Invalid field type", pArea->szQuery, errCode );
      return HB_FAILURE;
   }

   pArea->ulRecCount = 0;
   pArea->ulRecMax = SQLDD_ROWSET_INIT;

   pArea->pRow = ( void ** ) hb_xgrab( SQLDD_ROWSET_INIT * sizeof( void * ) );
   memset( pArea->pRow, 0, SQLDD_ROWSET_INIT * sizeof( void * ) );
   pArea->pRowFlags = ( HB_BYTE * ) hb_xgrab( SQLDD_ROWSET_INIT * sizeof( HB_BYTE ) );
   memset( pArea->pRowFlags, 0, SQLDD_ROWSET_INIT * sizeof( HB_BYTE ) );

   pArea->pRow[ 0 ] = pItemEof;
   pArea->pRowFlags[ 0 ] = SQLDD_FLAG_CACHED;

   pSDDData->pStmt = st;
   return HB_SUCCESS;
}
コード例 #9
0
ファイル: core.c プロジェクト: antonioscherrer/harbour-core
static HB_ERRCODE sqlite3Open( SQLBASEAREAP pArea )
{
   sqlite3 *      pDb = ( ( SDDCONN * ) pArea->pConnection->pSDDConn )->pDb;
   sqlite3_stmt * st  = NULL;
   SDDDATA *      pSDDData;
   const char *   pszQuery;
   HB_SIZE        nQueryLen;
   void *         hQuery;
   HB_USHORT      uiFields, uiIndex;
   PHB_ITEM       pItemEof, pItem;
   HB_ERRCODE     errCode;
   char *         szError;
   HB_BOOL        bError;

   pArea->pSDDData = memset( hb_xgrab( sizeof( SDDDATA ) ), 0, sizeof( SDDDATA ) );
   pSDDData        = ( SDDDATA * ) pArea->pSDDData;

   pItem    = hb_itemPutC( NULL, pArea->szQuery );
   pszQuery = S_HB_ITEMGETSTR( pItem, &hQuery, &nQueryLen );

   if( sqlite3_prepare_v2( pDb, pszQuery, ( int ) nQueryLen, &st, NULL ) != SQLITE_OK )
   {
      hb_strfree( hQuery );
      hb_itemRelease( pItem );
      szError = sqlite3GetError( pDb, &errCode );
      hb_errRT_SQLT3DD( EG_OPEN, ESQLDD_INVALIDQUERY, szError, pArea->szQuery, errCode );
      sqlite3_finalize( st );
      hb_xfree( szError );
      return HB_FAILURE;
   }
   else
   {
      hb_strfree( hQuery );
      hb_itemRelease( pItem );
   }

   if( sqlite3_step( st ) != SQLITE_ROW )
   {
      szError = sqlite3GetError( pDb, &errCode );
      hb_errRT_SQLT3DD( EG_OPEN, ESQLDD_INVALIDQUERY, szError, pArea->szQuery, errCode );
      sqlite3_finalize( st );
      hb_xfree( szError );
      return HB_FAILURE;
   }

   uiFields = ( HB_USHORT ) sqlite3_column_count( st );
   SELF_SETFIELDEXTENT( ( AREAP ) pArea, uiFields );

   pItemEof = hb_itemArrayNew( uiFields );

#if 0
   HB_TRACE( HB_TR_ALWAYS, ( "fieldcount=%d", uiFields ) );
#endif

   errCode = 0;
   bError  = HB_FALSE;
   for( uiIndex = 0; uiIndex < uiFields; ++uiIndex )
   {
      DBFIELDINFO pFieldInfo;

      int iDataType = sqlite3_column_type( st, uiIndex );
      PHB_ITEM pName = S_HB_ITEMPUTSTR( NULL, sqlite3_column_name( st, uiIndex ) );
      HB_USHORT uiNameLen = ( HB_USHORT ) hb_itemGetCLen( pName );

      if( ( ( AREAP ) pArea )->uiMaxFieldNameLength < uiNameLen )
         ( ( AREAP ) pArea )->uiMaxFieldNameLength = uiNameLen;

      pFieldInfo.atomName = hb_itemGetCPtr( pName );

#if 0
      HB_TRACE( HB_TR_ALWAYS, ( "field: name=%s type=%d len=%d", pFieldInfo.atomName, iDataType, sqlite3_column_bytes( st, uiIndex ) ) );
#endif

      /* There are no field length limits stored in the SQLite3 database,
         so we're resorting to setting some arbitrary default values to
         make apps relying on these (f.e. Browse()/GET) to behave somewhat
         better. For better results, update apps to untie UI metrics from
         any database field/value widths. [vszakats] */

      pFieldInfo.uiLen = 10;
      pFieldInfo.uiDec = 0;

      switch( iDataType )
      {
         case SQLITE3_TEXT:
            pFieldInfo.uiType = HB_FT_STRING;
            break;

         case SQLITE_FLOAT:
            pFieldInfo.uiType = HB_FT_LONG;
            pFieldInfo.uiDec = ( HB_USHORT ) hb_setGetDecimals();
            pFieldInfo.uiLen += pFieldInfo.uiDec + 1;
            break;

         case SQLITE_INTEGER:
            pFieldInfo.uiType = HB_FT_LONG;
            break;

         case SQLITE_BLOB:
         case SQLITE_NULL:
            pFieldInfo.uiType = HB_FT_BLOB;
            break;

         default:
#if 0
            HB_TRACE( HB_TR_ALWAYS, ( "new sql type=%d", iDataType ) );
#endif
            bError  = HB_TRUE;
            errCode = ( HB_ERRCODE ) iDataType;
            pFieldInfo.uiType = 0;
            break;
      }

      if( ! bError )
      {
         switch( pFieldInfo.uiType )
         {
            case HB_FT_STRING:
            {
               char * pStr = ( char * ) hb_xgrab( ( HB_SIZE ) pFieldInfo.uiLen + 1 );
               memset( pStr, ' ', pFieldInfo.uiLen );
               pStr[ pFieldInfo.uiLen ] = '\0';

               pItem = hb_itemPutCLPtr( NULL, pStr, pFieldInfo.uiLen );
               break;
            }
            case HB_FT_BLOB:
               pItem = hb_itemPutC( NULL, NULL );
               break;

            case HB_FT_LONG:
               if( pFieldInfo.uiDec == 0 )
                  pItem = hb_itemPutNLLen( NULL, 0, pFieldInfo.uiLen );
               else
                  pItem = hb_itemPutNDLen( NULL, 0.0, pFieldInfo.uiLen, pFieldInfo.uiDec );
               break;

            default:
               pItem  = hb_itemNew( NULL );
               bError = HB_TRUE;
         }

         hb_arraySetForward( pItemEof, uiIndex + 1, pItem );
         hb_itemRelease( pItem );

         if( ! bError )
            bError = ( SELF_ADDFIELD( ( AREAP ) pArea, &pFieldInfo ) == HB_FAILURE );
      }

      hb_itemRelease( pName );

      if( bError )
         break;
   }

   if( bError )
   {
      hb_itemRelease( pItemEof );
      sqlite3_finalize( st );
      hb_errRT_SQLT3DD( EG_CORRUPTION, ESQLDD_INVALIDFIELD, "Invalid field type", pArea->szQuery, errCode );
      return HB_FAILURE;
   }

   pArea->ulRecCount = 0;
   pArea->ulRecMax   = SQLDD_ROWSET_INIT;

   pArea->pRow = ( void ** ) hb_xgrabz( SQLDD_ROWSET_INIT * sizeof( void * ) );
   pArea->pRowFlags = ( HB_BYTE * ) hb_xgrabz( SQLDD_ROWSET_INIT * sizeof( HB_BYTE ) );

   pArea->pRow[ 0 ]      = pItemEof;
   pArea->pRowFlags[ 0 ] = SQLDD_FLAG_CACHED;

   pSDDData->pStmt = st;
   return HB_SUCCESS;
}
コード例 #10
0
ファイル: core.c プロジェクト: NaldoDj/core
static HB_ERRCODE odbcGoTo( SQLBASEAREAP pArea, HB_ULONG ulRecNo )
{
   SQLHSTMT  hStmt;
   SQLRETURN res;
   SQLLEN    iLen;
   PHB_ITEM  pArray, pItem;
   LPFIELD   pField;
   HB_USHORT ui;

   /* No pArea->pSDDData for DBCreate() area...
    * though pArea->fFetched == HB_TRUE for them
    */
   hStmt = pArea->pSDDData ? ( ( SDDDATA * ) pArea->pSDDData )->hStmt : NULL;

   while( ulRecNo > pArea->ulRecCount && ! pArea->fFetched )
   {
      if( ! SQL_SUCCEEDED( SQLFetch( hStmt ) ) )
      {
         pArea->fFetched = HB_TRUE;
         break;
      }

      pArray = hb_itemArrayNew( pArea->area.uiFieldCount );
      pItem  = NULL;
      for( ui = 1; ui <= pArea->area.uiFieldCount; ui++ )
      {
         iLen   = SQL_NULL_DATA;
         res    = 0;
         pField = pArea->area.lpFields + ui - 1;
         switch( pField->uiType )
         {
            case HB_FT_STRING:
               if( pField->uiType & HB_FF_BINARY )
               {
                  char buffer[ 1 ];

                  iLen = 0;
                  if( SQL_SUCCEEDED( res = SQLGetData( hStmt, ui, SQL_C_BINARY, buffer, 0, &iLen ) ) )
                  {
                     if( iLen >= 0 )
                     {
                        char * val = ( char * ) hb_xgrab( iLen + 1 );
                        if( SQL_SUCCEEDED( res = SQLGetData( hStmt, ui, SQL_C_BINARY, val, iLen + 1, &iLen ) ) )
                           pItem = hb_itemPutCLPtr( pItem, val, ( HB_SIZE ) iLen );
                        else
                           hb_xfree( val );
                     }
                  }
               }
               else
               {
                  O_HB_CHAR buffer[ 1 ];
#if defined( UNICODE )
                  SQLSMALLINT iTargetType = SQL_C_WCHAR;
#else
                  SQLSMALLINT iTargetType = SQL_C_CHAR;
#endif

                  iLen = 0;
                  if( SQL_SUCCEEDED( res = SQLGetData( hStmt, ui, iTargetType, buffer, 0, &iLen ) ) )
                  {
                     if( iLen >= 0 )
                     {
                        O_HB_CHAR * val = ( O_HB_CHAR * ) hb_xgrab( iLen + sizeof( O_HB_CHAR ) );
                        if( SQL_SUCCEEDED( res = SQLGetData( hStmt, ui, iTargetType, val, iLen + sizeof( O_HB_CHAR ), &iLen ) ) )
                        {
#if defined( UNICODE )
                           iLen >>= 1;
#endif
                           pItem = O_HB_ITEMPUTSTRLEN( pItem, val, ( HB_SIZE ) iLen );
                        }
                        hb_xfree( val );
                     }
                  }
               }
               break;

            case HB_FT_INTEGER:
#if ODBCVER >= 0x0300
               if( pField->uiTypeExtended == ( HB_USHORT ) SQL_BIGINT )
               {
                  HB_I64 val = 0;
                  /* NOTE: SQL_C_SBIGINT not available before ODBC 3.0 */
                  if( SQL_SUCCEEDED( res = SQLGetData( hStmt, ui, SQL_C_SBIGINT, &val, sizeof( val ), &iLen ) ) )
                     pItem = hb_itemPutNIntLen( pItem, val, pField->uiLen );
               }
               else
#endif
               {
                  SQLINTEGER val = 0;
                  if( SQL_SUCCEEDED( res = SQLGetData( hStmt, ui, SQL_C_LONG, &val, sizeof( val ), &iLen ) ) )
                     pItem = hb_itemPutNLLen( pItem, val, pField->uiLen );
               }
               break;

            case HB_FT_LONG:
               if( pField->uiDec == 0 && pField->uiLen < 10 )
               {
                  SQLINTEGER val = 0;
                  if( SQL_SUCCEEDED( res = SQLGetData( hStmt, ui, SQL_C_LONG, &val, sizeof( val ), &iLen ) ) )
                     pItem = hb_itemPutNLLen( pItem, val, pField->uiLen );
               }
               else
               {
                  double val = 0.0;
                  if( SQL_SUCCEEDED( res = SQLGetData( hStmt, ui, SQL_C_DOUBLE, &val, sizeof( val ), &iLen ) ) )
                     pItem = hb_itemPutNDLen( pItem, val, pField->uiLen, pField->uiDec );
               }
               break;

            case HB_FT_DOUBLE:
            {
               double val = 0.0;
               if( SQL_SUCCEEDED( res = SQLGetData( hStmt, ui, SQL_C_DOUBLE, &val, sizeof( val ), &iLen ) ) )
                  pItem = hb_itemPutNDLen( pItem, val, pField->uiLen, pField->uiDec );
               break;
            }

            case HB_FT_LOGICAL:
            {
               unsigned char val = 0;
               if( SQL_SUCCEEDED( res = SQLGetData( hStmt, ui, SQL_C_BIT, &val, sizeof( val ), &iLen ) ) )
                  pItem = hb_itemPutL( pItem, val != 0 );
               break;
            }

            case HB_FT_DATE:
            {
               DATE_STRUCT val = { 0, 0, 0 };
               if( SQL_SUCCEEDED( res = SQLGetData( hStmt, ui, SQL_C_DATE, &val, sizeof( val ), &iLen ) ) )
                  pItem = hb_itemPutD( pItem, val.year, val.month, val.day );
               break;
            }

            case HB_FT_TIME:
            {
               TIME_STRUCT val = { 0, 0, 0 };
               if( SQL_SUCCEEDED( res = SQLGetData( hStmt, ui, SQL_C_TIME, &val, sizeof( val ), &iLen ) ) )
                  pItem = hb_itemPutTDT( pItem, 0, hb_timeEncode( val.hour, val.minute, val.second, 0 ) );
               break;
            }

            case HB_FT_TIMESTAMP:
            {
               TIMESTAMP_STRUCT val = { 0, 0, 0, 0, 0, 0, 0 };
               if( SQL_SUCCEEDED( res = SQLGetData( hStmt, ui, SQL_C_TIMESTAMP, &val, sizeof( val ), &iLen ) ) )
                  pItem = hb_itemPutTDT( pItem, hb_dateEncode( val.year, val.month, val.day ),
                                         hb_timeEncode( val.hour, val.minute, val.second, val.fraction / 1000000 ) );
               break;
            }
         }

         /* TODO: check SQL_SUCCEEDED( res ) */
         /* TODO: check for SQL_NO_TOTAL. What does this mean? */
         HB_SYMBOL_UNUSED( res );

         if( pItem )
         {
            /* NULL -> NIL */
            if( iLen == SQL_NULL_DATA )
               hb_itemClear( pItem );
            else
               hb_arraySetForward( pArray, ui, pItem );
         }
      }
      if( pItem )
         hb_itemRelease( pItem );

      if( pArea->ulRecCount + 1 >= pArea->ulRecMax )
      {
         pArea->pRow      = ( void ** ) hb_xrealloc( pArea->pRow, ( pArea->ulRecMax + SQLDD_ROWSET_RESIZE ) * sizeof( void * ) );
         pArea->pRowFlags = ( HB_BYTE * ) hb_xrealloc( pArea->pRowFlags, ( pArea->ulRecMax + SQLDD_ROWSET_RESIZE ) * sizeof( HB_BYTE ) );
         pArea->ulRecMax += SQLDD_ROWSET_RESIZE;
      }

      pArea->ulRecCount++;
      pArea->pRow[ pArea->ulRecCount ]      = pArray;
      pArea->pRowFlags[ pArea->ulRecCount ] = SQLDD_FLAG_CACHED;
   }
コード例 #11
0
ファイル: core.c プロジェクト: NaldoDj/core
static HB_ERRCODE odbcOpen( SQLBASEAREAP pArea )
{
   SDDCONN *   pSDDConn = ( SDDCONN * ) pArea->pConnection->pSDDConn;
   SDDDATA *   pSDDData;
   O_HB_CHAR * pchQuery;
   SQLHSTMT    hStmt;
   SQLSMALLINT iNameLen;
   PHB_ITEM    pItemEof, pItem;
   HB_BOOL     bError;
   HB_USHORT   uiFields, uiIndex;
   HB_ERRCODE  errCode;
   char *      szError;
   SQLRETURN   result;

   pArea->pSDDData = memset( hb_xgrab( sizeof( SDDDATA ) ), 0, sizeof( SDDDATA ) );
   pSDDData        = ( SDDDATA * ) pArea->pSDDData;

#if ODBCVER >= 0x0300
   if( ! SQL_SUCCEEDED( SQLAllocHandle( SQL_HANDLE_STMT, pSDDConn->hConn, &hStmt ) ) )
#else
   if( ! SQL_SUCCEEDED( SQLAllocStmt( pSDDConn->hConn, &hStmt ) ) )
#endif
   {
      szError = odbcGetError( pSDDConn->hEnv, pSDDConn->hConn, SQL_NULL_HSTMT, &errCode );
      hb_errRT_ODBCDD( EG_OPEN, ESQLDD_STMTALLOC, szError, pArea->szQuery, errCode );
      hb_xfree( szError );
      return HB_FAILURE;
   }

   pchQuery = O_HB_CHARDUP( pArea->szQuery );
   result = SQLExecDirect( hStmt,
                           ( SQLTCHAR * ) HB_UNCONST( pchQuery ),
                           ( SQLINTEGER ) O_HB_STRLEN( pchQuery ) );
   hb_xfree( pchQuery );

   if( ! SQL_SUCCEEDED( result ) )
   {
      szError = odbcGetError( pSDDConn->hEnv, pSDDConn->hConn, hStmt, &errCode );
#if ODBCVER >= 0x0300
      SQLFreeHandle( SQL_HANDLE_STMT, hStmt );
#else
      SQLFreeStmt( hStmt, SQL_DROP );
#endif
      hb_errRT_ODBCDD( EG_OPEN, ESQLDD_INVALIDQUERY, szError, pArea->szQuery, errCode );
      hb_xfree( szError );
      return HB_FAILURE;
   }

   if( ! SQL_SUCCEEDED( SQLNumResultCols( hStmt, &iNameLen ) ) )
   {
      szError = odbcGetError( pSDDConn->hEnv, pSDDConn->hConn, hStmt, &errCode );
#if ODBCVER >= 0x0300
      SQLFreeHandle( SQL_HANDLE_STMT, hStmt );
#else
      SQLFreeStmt( hStmt, SQL_DROP );
#endif
      hb_errRT_ODBCDD( EG_OPEN, ESQLDD_STMTDESCR + 1000, szError, pArea->szQuery, errCode );
      hb_xfree( szError );
      return HB_FAILURE;
   }

   uiFields = ( HB_USHORT ) iNameLen;
   SELF_SETFIELDEXTENT( &pArea->area, uiFields );

   pItemEof = hb_itemArrayNew( uiFields );
   pItem = hb_itemNew( NULL );

#if 0
   HB_TRACE( HB_TR_ALWAYS, ( "fieldcount=%d", iNameLen ) );
#endif

   errCode = 0;
   bError  = HB_FALSE;
   for( uiIndex = 0; uiIndex < uiFields; uiIndex++ )
   {
      DBFIELDINFO dbFieldInfo;
      char *      pszName;
      SQLTCHAR    cName[ 256 ];
      SQLULEN     uiSize;
      SQLSMALLINT iDataType, iDec, iNull;

      if( ! SQL_SUCCEEDED( SQLDescribeCol( hStmt, ( SQLSMALLINT ) uiIndex + 1,
                           cName, HB_SIZEOFARRAY( cName ),
                           &iNameLen, &iDataType, &uiSize, &iDec, &iNull ) ) )
      {
         hb_itemRelease( pItemEof );
         hb_itemRelease( pItem );
         szError = odbcGetError( pSDDConn->hEnv, pSDDConn->hConn, hStmt, NULL );
#if ODBCVER >= 0x0300
         SQLFreeHandle( SQL_HANDLE_STMT, hStmt );
#else
         SQLFreeStmt( hStmt, SQL_DROP );
#endif
         hb_errRT_ODBCDD( EG_OPEN, ESQLDD_STMTDESCR + 1001, szError, pArea->szQuery, 0 );
         hb_xfree( szError );
         return HB_FAILURE;
      }

      memset( &dbFieldInfo, 0, sizeof( dbFieldInfo ) );

      dbFieldInfo.atomName = pszName = O_HB_OSSTRDUP( ( O_HB_CHAR * ) cName );

      /*
         We do mapping of many SQL types to one Harbour field type here, so, we need store
         real SQL type in uiTypeExtended. SQL types are signed, so, HB_USHORT type casting
         is a little hackish. We need to remember use this casting also in expressions like
         this:
            if( pField->uiTypeExtended == ( HB_USHORT ) SQL_BIGINT )
         or introduce our own unsigned SQL types.
         [Mindaugas]
       */
      dbFieldInfo.uiTypeExtended = ( HB_USHORT ) iDataType;
      dbFieldInfo.uiLen = ( HB_USHORT ) uiSize;
      dbFieldInfo.uiDec = iDec;
      if( iNull == SQL_NULLABLE )
         dbFieldInfo.uiFlags |= HB_FF_NULLABLE;

#if 0
      HB_TRACE( HB_TR_ALWAYS, ( "field: name=%s type=%d len=%d dec=%d null=%d", dbFieldInfo.atomName, iDataType, uiSize, iDec, iNull ) );
#endif

      switch( iDataType )
      {
         case SQL_CHAR:
         case SQL_VARCHAR:
         case SQL_LONGVARCHAR:
            dbFieldInfo.uiType = HB_FT_STRING;
            break;

         case SQL_WCHAR:
         case SQL_WVARCHAR:
         case SQL_WLONGVARCHAR:
            dbFieldInfo.uiType = HB_FT_STRING;
            dbFieldInfo.uiFlags |= HB_FF_UNICODE;
            break;

         case SQL_BINARY:
         case SQL_VARBINARY:
         case SQL_LONGVARBINARY:
            dbFieldInfo.uiType = HB_FT_STRING;
            dbFieldInfo.uiFlags |= HB_FF_BINARY;
            break;

         case SQL_TINYINT:
         case SQL_SMALLINT:
         case SQL_INTEGER:
         case SQL_BIGINT:
            dbFieldInfo.uiType = HB_FT_INTEGER;
            break;

         case SQL_DECIMAL:
         case SQL_NUMERIC:
            dbFieldInfo.uiType = HB_FT_LONG;
            break;

         case SQL_REAL:
         case SQL_FLOAT:
         case SQL_DOUBLE:
            dbFieldInfo.uiType = HB_FT_DOUBLE;
            break;

         case SQL_BIT:
            dbFieldInfo.uiType = HB_FT_LOGICAL;
            break;

         case SQL_DATE:
#if ODBCVER >= 0x0300
         case SQL_TYPE_DATE:
#endif
            dbFieldInfo.uiType = HB_FT_DATE;
            break;

         case SQL_TIME:
#if ODBCVER >= 0x0300
         case SQL_TYPE_TIME:
#endif
            dbFieldInfo.uiType = HB_FT_TIME;
            break;

         /* SQL_DATETIME = SQL_DATE = 9 */
         case SQL_TIMESTAMP:
#if ODBCVER >= 0x0300
         case SQL_TYPE_TIMESTAMP:
#endif
            dbFieldInfo.uiType = HB_FT_TIMESTAMP;
            break;

         default:
#if 0
            HB_TRACE( HB_TR_ALWAYS, ( "new sql type=%d", iDataType ) );
#endif
            bError  = HB_TRUE;
            errCode = ( HB_ERRCODE ) iDataType;
            break;
      }

      if( ! bError )
      {
         switch( dbFieldInfo.uiType )
         {
            case HB_FT_STRING:
            {
               char * pStr;

               pStr = ( char * ) hb_xgrab( ( HB_SIZE ) dbFieldInfo.uiLen + 1 );
               memset( pStr, ' ', dbFieldInfo.uiLen );
               pStr[ dbFieldInfo.uiLen ] = '\0';

               hb_itemPutCL( pItem, pStr, dbFieldInfo.uiLen );
               hb_xfree( pStr );
               break;
            }

            case HB_FT_MEMO:
               hb_itemPutC( pItem, NULL );
               break;

            case HB_FT_INTEGER:
               hb_itemPutNI( pItem, 0 );
               break;

            case HB_FT_LONG:
               if( dbFieldInfo.uiDec == 0 )
                  hb_itemPutNLLen( pItem, 0, dbFieldInfo.uiLen );
               else
                  hb_itemPutNDLen( pItem, 0.0, dbFieldInfo.uiLen, dbFieldInfo.uiDec );
               break;

            case HB_FT_DOUBLE:
               hb_itemPutNDLen( pItem, 0.0, dbFieldInfo.uiLen, dbFieldInfo.uiDec );
               break;

            case HB_FT_LOGICAL:
               hb_itemPutL( pItem, HB_FALSE );
               break;

            case HB_FT_DATE:
               hb_itemPutDL( pItem, 0 );
               break;

            case HB_FT_TIME:
               hb_itemPutTDT( pItem, 0, 0 );
               break;

            case HB_FT_TIMESTAMP:
               hb_itemPutTDT( pItem, 0, 0 );
               break;

            default:
               hb_itemClear( pItem );
               bError = HB_TRUE;
               break;
         }

         hb_arraySetForward( pItemEof, uiIndex + 1, pItem );

         if( ! bError )
            bError = ( SELF_ADDFIELD( &pArea->area, &dbFieldInfo ) == HB_FAILURE );

         hb_xfree( pszName );
      }

      if( bError )
         break;
   }
   hb_itemRelease( pItem );

   if( bError )
   {
      hb_itemRelease( pItemEof );
#if ODBCVER >= 0x0300
      SQLFreeHandle( SQL_HANDLE_STMT, hStmt );
#else
      SQLFreeStmt( hStmt, SQL_DROP );
#endif
      hb_errRT_ODBCDD( EG_CORRUPTION, ESQLDD_INVALIDFIELD, "Invalid field type", pArea->szQuery, errCode );
      return HB_FAILURE;
   }

   pArea->ulRecCount = 0;
   pArea->ulRecMax   = SQLDD_ROWSET_INIT;

   pArea->pRow = ( void ** ) hb_xgrab( SQLDD_ROWSET_INIT * sizeof( void * ) );
   pArea->pRowFlags = ( HB_BYTE * ) hb_xgrab( SQLDD_ROWSET_INIT * sizeof( HB_BYTE ) );

   pArea->pRow[ 0 ]      = pItemEof;
   pArea->pRowFlags[ 0 ] = SQLDD_FLAG_CACHED;

   pSDDData->hStmt = hStmt;
   return HB_SUCCESS;
}
コード例 #12
0
ファイル: core.c プロジェクト: antonioscherrer/harbour-core
static HB_ERRCODE mysqlOpen( SQLBASEAREAP pArea )
{
   MYSQL *       pMySql = ( ( SDDCONN * ) pArea->pConnection->pSDDConn )->pMySql;
   SDDDATA *     pSDDData;
   PHB_ITEM      pItemEof, pItem;
   HB_ULONG      ulIndex;
   HB_USHORT     uiFields, uiCount;
   HB_ERRCODE    errCode = 0;
   HB_BOOL       bError;
   DBFIELDINFO   pFieldInfo;
   MYSQL_FIELD * pMyField;
   void **       pRow;

   pArea->pSDDData = memset( hb_xgrab( sizeof( SDDDATA ) ), 0, sizeof( SDDDATA ) );
   pSDDData        = ( SDDDATA * ) pArea->pSDDData;

   if( mysql_real_query( pMySql, pArea->szQuery, ( unsigned long ) strlen( pArea->szQuery ) ) )
   {
      hb_errRT_MySQLDD( EG_OPEN, ESQLDD_INVALIDQUERY, ( const char * ) mysql_error( pMySql ), pArea->szQuery,
                        mysql_errno( pMySql ) );
      return HB_FAILURE;
   }

   if( ( pSDDData->pResult = mysql_store_result( pMySql ) ) == NULL )
   {
      hb_errRT_MySQLDD( EG_MEM, ESQLDD_INVALIDQUERY, ( const char * ) mysql_error( pMySql ), pArea->szQuery,
                        mysql_errno( pMySql ) );
      return HB_FAILURE;
   }

   uiFields = ( HB_USHORT ) mysql_num_fields( pSDDData->pResult );
   SELF_SETFIELDEXTENT( ( AREAP ) pArea, uiFields );

   pItemEof = hb_itemArrayNew( uiFields );

   bError = HB_FALSE;
   for( uiCount = 0; uiCount < uiFields; uiCount++ )
   {
      pMyField = mysql_fetch_field_direct( pSDDData->pResult, uiCount );

      pFieldInfo.atomName = pMyField->name;
      pFieldInfo.uiLen    = ( HB_USHORT ) pMyField->length;
      pFieldInfo.uiDec    = 0;

      switch( pMyField->type )
      {
         case MYSQL_TYPE_TINY:
         case MYSQL_TYPE_SHORT:
            pFieldInfo.uiType = HB_FT_INTEGER;
            break;

         case MYSQL_TYPE_LONG:
         case MYSQL_TYPE_LONGLONG:
         case MYSQL_TYPE_INT24:
            pFieldInfo.uiType = HB_FT_LONG;
            break;

         case MYSQL_TYPE_DECIMAL:
         case MYSQL_TYPE_NEWDECIMAL:
         case MYSQL_TYPE_FLOAT:
         case MYSQL_TYPE_DOUBLE:
            pFieldInfo.uiType = HB_FT_DOUBLE;
            pFieldInfo.uiDec  = ( HB_USHORT ) pMyField->decimals;
            break;

         case MYSQL_TYPE_STRING:
         case MYSQL_TYPE_VAR_STRING:
         case MYSQL_TYPE_ENUM:
            pFieldInfo.uiType = HB_FT_STRING;
            break;

         case MYSQL_TYPE_DATE:
            pFieldInfo.uiType = HB_FT_DATE;
            break;

         case MYSQL_TYPE_TINY_BLOB:
         case MYSQL_TYPE_MEDIUM_BLOB:
         case MYSQL_TYPE_LONG_BLOB:
         case MYSQL_TYPE_BLOB:
            pFieldInfo.uiType = HB_FT_MEMO;
            break;

         case MYSQL_TYPE_TIMESTAMP:
         case MYSQL_TYPE_DATETIME:
            pFieldInfo.uiType = HB_FT_TIMESTAMP;
            pFieldInfo.uiLen  = 8;
            break;

         case MYSQL_TYPE_TIME:
            pFieldInfo.uiType = HB_FT_TIME;
            pFieldInfo.uiLen  = 4;
            break;

         case MYSQL_TYPE_NULL:
         case MYSQL_TYPE_YEAR:
         case MYSQL_TYPE_NEWDATE:
         case MYSQL_TYPE_SET:
         case MYSQL_TYPE_VARCHAR:
         case MYSQL_TYPE_BIT:
         case MYSQL_TYPE_GEOMETRY:
            bError  = HB_TRUE;
            errCode = ( HB_ERRCODE ) pMyField->type;
            pFieldInfo.uiType = 0;
            break;
      }

      if( ! bError )
      {
         switch( pFieldInfo.uiType )
         {
            case HB_FT_STRING:
            {
               char * pStr;

               pStr = ( char * ) hb_xgrab( pFieldInfo.uiLen + 1 );
               memset( pStr, ' ', pFieldInfo.uiLen );
               pStr[ pFieldInfo.uiLen ] = '\0';

               pItem = hb_itemPutCL( NULL, pStr, pFieldInfo.uiLen );
               hb_xfree( pStr );
               break;
            }

            case HB_FT_MEMO:
               pItem = hb_itemPutC( NULL, NULL );
               break;

            case HB_FT_INTEGER:
               pItem = hb_itemPutNI( NULL, 0 );
               break;

            case HB_FT_LONG:
               pItem = hb_itemPutNL( NULL, 0 );
               break;

            case HB_FT_DOUBLE:
               pItem = hb_itemPutND( NULL, 0.0 );
               break;

            case HB_FT_DATE:
               pItem = hb_itemPutDS( NULL, NULL );
               break;

            case HB_FT_TIMESTAMP:
            case HB_FT_TIME:
               pItem = hb_itemPutTDT( NULL, 0, 0 );
               break;

            default:
               pItem  = hb_itemNew( NULL );
               bError = HB_TRUE;
               break;
         }

         hb_arraySetForward( pItemEof, uiCount + 1, pItem );
         hb_itemRelease( pItem );

#if 0
         if( pFieldInfo.uiType == HB_IT_DOUBLE || pFieldInfo.uiType == HB_IT_INTEGER )
            pFieldInfo.uiType = HB_IT_LONG;
#endif

         if( ! bError )
            bError = ( SELF_ADDFIELD( ( AREAP ) pArea, &pFieldInfo ) == HB_FAILURE );
      }

      if( bError )
         break;
   }

   if( bError )
   {
      hb_itemRelease( pItemEof );
      hb_errRT_MySQLDD( EG_CORRUPTION, ESQLDD_INVALIDFIELD, "Invalid field type", pArea->szQuery, errCode );
      return HB_FAILURE;
   }

   pArea->ulRecCount = ( HB_ULONG ) mysql_num_rows( pSDDData->pResult );

   pArea->pRow      = ( void ** ) hb_xgrab( ( pArea->ulRecCount + 1 ) * sizeof( void * ) );
   pArea->pRowFlags = ( HB_BYTE * ) hb_xgrabz( ( pArea->ulRecCount + 1 ) * sizeof( HB_BYTE ) );

   pArea->ulRecMax = pArea->ulRecCount + 1;

   pRow = pArea->pRow;

   *pRow = pItemEof;
   pArea->pRowFlags[ 0 ] = SQLDD_FLAG_CACHED;

   pRow++;
   for( ulIndex = 1; ulIndex <= pArea->ulRecCount; ulIndex++ )
   {
      *pRow++ = ( void * ) mysql_row_tell( pSDDData->pResult );
      mysql_fetch_row( pSDDData->pResult );
   }
   pArea->fFetched = HB_TRUE;

   return HB_SUCCESS;
}
コード例 #13
0
ファイル: hbserv.c プロジェクト: orangesocks/harbour-core
/* Manager of signals for windows */
static LONG s_signalHandler( int type, int sig, PEXCEPTION_RECORD exc )
{
   HB_SIZE  nPos;
   HB_UINT  uiSig;

   /* let's find the right signal handler. */
   hb_threadEnterCriticalSectionGC( &s_ServiceMutex );

   /* avoid working if PRG signal handling has been disabled */
   if( ! s_bSignalEnabled )
   {
      hb_threadLeaveCriticalSection( &s_ServiceMutex );
      return EXCEPTION_EXECUTE_HANDLER;
   }

   s_bSignalEnabled = HB_FALSE;
   nPos = hb_arrayLen( s_pHooks );
   /* subsig not necessary */
   uiSig = ( HB_UINT ) s_translateSignal( ( HB_UINT ) type, ( HB_UINT ) sig );

   while( nPos > 0 )
   {
      PHB_ITEM pFunction;
      HB_UINT  uiMask;

      pFunction = hb_arrayGetItemPtr( s_pHooks, nPos );
      uiMask    = ( HB_UINT ) hb_arrayGetNI( pFunction, 1 );
      if( ( uiMask & uiSig ) == uiSig )
      {
         PHB_ITEM pExecArray, pRet;
         int      iRet;

         /* we don't unlock the mutex now, even if it is
            a little dangerous. But we are in a signal hander...
            for now just 2 parameters */
         pExecArray = hb_itemArrayNew( 3 );
         hb_arraySetForward( pExecArray, 1, hb_arrayGetItemPtr( pFunction, 2 ) );
         hb_arraySetNI( pExecArray, 2, uiSig );

         /* the third parameter is an array:
          * 1: low-level signal
          * 2: low-level subsignal
          * 3: low-level system error
          * 4: address that rose the signal
          * 5: process id of the signal riser
          * 6: UID of the riser
          */

         pRet = hb_arrayGetItemPtr( pExecArray, 3 );
         hb_arrayNew( pRet, 6 );

         hb_arraySetNI( pRet, HB_SERVICE_OSSIGNAL, type );
         hb_arraySetNI( pRet, HB_SERVICE_OSSUBSIG, sig );
         /* could be meaningless, but does not matter here */
         hb_arraySetNI( pRet, HB_SERVICE_OSERROR, GetLastError() );

         if( type == 0 ) /* exception */
            hb_arraySetPtr( pRet, HB_SERVICE_ADDRESS, ( void * ) exc->ExceptionAddress );
         else
            hb_arraySetPtr( pRet, HB_SERVICE_ADDRESS, NULL );

         /* TODO: */
         hb_arraySetNI( pRet, HB_SERVICE_PROCESS, GetCurrentThreadId() );
         /* TODO: */
         hb_arraySetNI( pRet, HB_SERVICE_UID, 0 );

         pRet = hb_itemDo( pExecArray, 0 );
         iRet = hb_itemGetNI( pRet );
         hb_itemRelease( pRet );
         hb_itemRelease( pExecArray );

         switch( iRet )
         {
            case HB_SERVICE_HANDLED:
               s_bSignalEnabled = HB_TRUE;
               hb_threadLeaveCriticalSection( &s_ServiceMutex );
               return EXCEPTION_CONTINUE_EXECUTION;

            case HB_SERVICE_QUIT:
               s_bSignalEnabled = HB_FALSE;
               hb_threadLeaveCriticalSection( &s_ServiceMutex );
               hb_vmRequestQuit();
#ifndef HB_THREAD_SUPPORT
               hb_vmQuit();
               exit( 0 );
#else
               hb_threadCancelInternal();
#endif
         }
      }
      nPos--;
   }

   s_bSignalEnabled = HB_TRUE;
   return EXCEPTION_EXECUTE_HANDLER;
}
コード例 #14
0
ファイル: core.c プロジェクト: raulpjr/harbour-core
static HB_ERRCODE ocilibGoTo( SQLBASEAREAP pArea, HB_ULONG ulRecNo )
{
   OCI_Statement * st = ( ( SDDDATA * ) pArea->pSDDData )->pStmt;
   OCI_Resultset * rs = OCI_GetResultset( st );

   while( ulRecNo > pArea->ulRecCount && ! pArea->fFetched )
   {
      PHB_ITEM  pArray;
      HB_USHORT ui;

      if( ! OCI_FetchNext( rs ) )
      {
         pArea->fFetched = HB_TRUE;
         break;
      }

      pArray = hb_itemArrayNew( pArea->area.uiFieldCount );

      for( ui = 1; ui <= pArea->area.uiFieldCount; ++ui )
      {
         PHB_ITEM pItem  = NULL;
         LPFIELD  pField = pArea->area.lpFields + ui - 1;

         switch( pField->uiType )
         {
            case HB_FT_STRING:
               if( OCI_IsNull( rs, ui ) )
               {
                  char * pStr = ( char * ) hb_xgrab( ( HB_SIZE ) pField->uiLen + 1 );
                  memset( pStr, ' ', pField->uiLen );
                  pStr[ pField->uiLen ] = '\0';

                  pItem = hb_itemPutCLPtr( NULL, pStr, pField->uiLen );
               }
               else
               {
                  const dtext * val;
                  if( ( val = OCI_GetString( rs, ui ) ) != NULL )
                     pItem = D_HB_ITEMPUTSTRLEN( NULL, val, ( HB_SIZE ) dtslen( val ) );  /* TODO: Pad it to pField->uiLen size with spaces? */
               }
               break;

            case HB_FT_LONG:
            case HB_FT_INTEGER:
               if( pField->uiDec == 0 )
#if HB_VMLONG_MAX == INT32_MAX || defined( HB_LONG_LONG_OFF )
                  pItem = hb_itemPutNIntLen( NULL, OCI_GetInt( rs, ui ), pField->uiLen );
#else
                  pItem = hb_itemPutNIntLen( NULL, OCI_GetBigInt( rs, ui ), pField->uiLen );
#endif
               else
                  pItem = hb_itemPutNDLen( NULL, OCI_GetDouble( rs, ui ), pField->uiLen, pField->uiDec );
               break;

            case HB_FT_VARLENGTH:
            case HB_FT_MEMO:
            {
               OCI_Long * val = OCI_GetLong( rs, ui );
               if( val )
               {
                  unsigned int uiSize = OCI_LongGetSize( val );
                  if( OCI_LongGetType( val ) == OCI_CLONG )
                     pItem = D_HB_ITEMPUTSTRLEN( NULL, ( D_HB_CHAR * ) OCI_LongGetBuffer( val ), uiSize );
                  else
                     pItem = hb_itemPutCL( NULL, ( char * ) OCI_LongGetBuffer( val ), uiSize );
               }
               break;
            }

            case HB_FT_IMAGE:
            case HB_FT_BLOB:
            case HB_FT_OLE:
            {
               OCI_Long * val = OCI_GetLong( rs, ui );
               if( val )
                  pItem = hb_itemPutCL( NULL, ( char * ) OCI_LongGetBuffer( val ), OCI_LongGetSize( val ) );
               break;
            }

            case HB_FT_CURRENCY:
            case HB_FT_CURDOUBLE:
            case HB_FT_FLOAT:
            case HB_FT_DOUBLE:

               pItem = hb_itemPutNDLen( NULL, OCI_GetDouble( rs, ui ), pField->uiLen, pField->uiDec );
               break;

            case HB_FT_DATE:
            {
               OCI_Date * date = OCI_GetDate( rs, ui );
               int        iYear, iMonth, iDay;
               if( date && OCI_DateGetDate( date, &iYear, &iMonth, &iDay ) )
                  pItem = hb_itemPutD( NULL, iYear, iMonth, iDay );
               break;
            }

            case HB_FT_TIME:
            {
               OCI_Date * date = OCI_GetDate( rs, ui );
               int        iYear, iMonth, iDay, iHour, iMin, iSec;

               if( date && OCI_DateGetDateTime( date, &iYear, &iMonth, &iDay, &iHour, &iMin, &iSec ) )
                  pItem = hb_itemPutTDT( NULL, hb_dateEncode( iYear, iMonth, iDay ),
                                         hb_timeEncode( iHour, iMin, iSec, 0 ) );
               break;
            }

            case HB_FT_TIMESTAMP:
            {
               OCI_Timestamp * ts = OCI_GetTimestamp( rs, ui );
               int iYear, iMonth, iDay, iHour, iMin, iSec, iFSec;
               if( ts && OCI_TimestampGetDateTime( ts, &iYear, &iMonth, &iDay, &iHour, &iMin, &iSec, &iFSec ) )
                  pItem = hb_itemPutTDT( NULL, hb_dateEncode( iYear, iMonth, iDay ),
                                         hb_timeEncode( iHour, iMin, iSec, iFSec / 1000000 ) );
               break;
            }
         }

         if( pItem )
         {
            hb_arraySetForward( pArray, ui, pItem );
            hb_itemRelease( pItem );
         }
      }
      if( pArea->ulRecCount + 1 <= pArea->ulRecMax )
      {
         pArea->pRow      = ( void ** ) hb_xrealloc( pArea->pRow, ( pArea->ulRecMax + SQLDD_ROWSET_RESIZE ) * sizeof( void * ) );
         pArea->pRowFlags = ( HB_BYTE * ) hb_xrealloc( pArea->pRowFlags, ( pArea->ulRecMax + SQLDD_ROWSET_RESIZE ) * sizeof( HB_BYTE ) );
         pArea->ulRecMax += SQLDD_ROWSET_RESIZE;
      }

      pArea->ulRecCount++;
      pArea->pRow[ pArea->ulRecCount ]      = pArray;
      pArea->pRowFlags[ pArea->ulRecCount ] = SQLDD_FLAG_CACHED;
   }
コード例 #15
0
ファイル: core.c プロジェクト: raulpjr/harbour-core
static HB_ERRCODE ocilibOpen( SQLBASEAREAP pArea )
{
   OCI_Statement * st = OCI_StatementCreate( ( ( SDDCONN * ) pArea->pConnection->pSDDConn )->pConn );
   OCI_Resultset * rs;
   SDDDATA *       pSDDData;
   void *          hQuery;
   HB_USHORT       uiFields, uiIndex;
   PHB_ITEM        pItemEof, pItem;
   HB_ERRCODE      errCode;
   char *          szError;
   HB_BOOL         bError;

   pArea->pSDDData = memset( hb_xgrab( sizeof( SDDDATA ) ), 0, sizeof( SDDDATA ) );
   pSDDData        = ( SDDDATA * ) pArea->pSDDData;

   if( ! st )
   {
      szError = ocilibGetError( &errCode );
      hb_errRT_OCIDD( EG_OPEN, ESQLDD_STMTALLOC, szError, pArea->szQuery, errCode );
      hb_xfree( szError );
      return HB_FAILURE;
   }

   pItem = hb_itemPutC( NULL, pArea->szQuery );

   if( ! OCI_ExecuteStmt( st, M_HB_ITEMGETSTR( pItem, &hQuery, NULL ) ) )
   {
      hb_strfree( hQuery );
      hb_itemRelease( pItem );
      szError = ocilibGetError( &errCode );
      OCI_StatementFree( st );
      hb_errRT_OCIDD( EG_OPEN, ESQLDD_INVALIDQUERY, szError, pArea->szQuery, errCode );
      hb_xfree( szError );
      return HB_FAILURE;
   }
   else
   {
      hb_strfree( hQuery );
      hb_itemRelease( pItem );
   }

   rs = OCI_GetResultset( st );

   uiFields = ( HB_USHORT ) OCI_GetColumnCount( rs );
   SELF_SETFIELDEXTENT( ( AREAP ) pArea, uiFields );

   pItemEof = hb_itemArrayNew( uiFields );
   pItem    = hb_itemNew( NULL );

#if 0
   HB_TRACE( HB_TR_ALWAYS, ( "fieldcount=%d", iNameLen ) );
#endif

   errCode = 0;
   bError  = HB_FALSE;
   for( uiIndex = 0; uiIndex < uiFields; ++uiIndex )
   {
      DBFIELDINFO pFieldInfo;

      PHB_ITEM pName;

      OCI_Column * col = OCI_GetColumn( rs, uiIndex + 1 );

      unsigned int uiDataType;
      unsigned int uiSize;
      int          iDec;
      HB_BOOL      bNullable;

      if( ! col )
      {
         hb_itemRelease( pItemEof );
         hb_itemRelease( pItem );
         szError = ocilibGetError( NULL );
         OCI_StatementFree( st );
         hb_errRT_OCIDD( EG_OPEN, ESQLDD_STMTDESCR + 1001, szError, pArea->szQuery, 0 );
         hb_xfree( szError );
         return HB_FAILURE;
      }

      pName = D_HB_ITEMPUTSTR( NULL, OCI_ColumnGetName( col ) );
      pFieldInfo.atomName = hb_itemGetCPtr( pName );

      uiDataType = OCI_ColumnGetType( col );
      uiSize     = OCI_ColumnGetSize( col );
      iDec       = OCI_ColumnGetPrecision( col );
      bNullable  = ( HB_BOOL ) OCI_ColumnGetNullable( col );

      if( bNullable )
         pFieldInfo.uiFlags |= HB_FF_NULLABLE;

      pFieldInfo.uiLen = ( HB_USHORT ) uiSize;
      pFieldInfo.uiDec = ( HB_USHORT ) iDec;

#if 0
      HB_TRACE( HB_TR_ALWAYS, ( "field: name=%s type=%d len=%d dec=%d nullable=%d %d %d %d %d", pFieldInfo.atomName, uiDataType, uiSize, iDec, bNullable, OCI_ColumnGetScale( col ), OCI_ColumnGetPrecision( col ), OCI_ColumnGetFractionalPrecision( col ), OCI_ColumnGetLeadingPrecision( col ) ) );
#endif

      switch( uiDataType )
      {
         case OCI_CDT_TEXT:
            pFieldInfo.uiType = HB_FT_STRING;
            break;

         case OCI_CDT_NUMERIC:
            pFieldInfo.uiType = HB_FT_LONG;
            /* For plain 'NUMERIC', precision is zero and scale is -127 */
            if( OCI_ColumnGetPrecision( col ) > 0 )
               pFieldInfo.uiLen = ( HB_USHORT ) OCI_ColumnGetPrecision( col );
            if( OCI_ColumnGetScale( col ) >= 0 )
               pFieldInfo.uiDec = ( HB_USHORT ) OCI_ColumnGetScale( col );
            else
               pFieldInfo.uiDec = ( HB_USHORT ) hb_setGetDecimals();
            break;

         case OCI_CDT_LONG:
            pFieldInfo.uiType = HB_FT_VARLENGTH;
            break;

         case OCI_CDT_RAW:
            pFieldInfo.uiType = HB_FT_BLOB;
            break;

         case OCI_CDT_DATETIME:
         case OCI_CDT_TIMESTAMP:
         case OCI_CDT_INTERVAL:
            pFieldInfo.uiType = HB_FT_TIME;
            break;

         default:
#if 0
            HB_TRACE( HB_TR_ALWAYS, ( "new sql type=%d", uiDataType ) );
#endif
            bError  = HB_TRUE;
            errCode = ( HB_ERRCODE ) uiDataType;
            pFieldInfo.uiType = 0;
            pFieldInfo.uiType = HB_FT_STRING;
            break;
      }

      if( ! bError )
      {
         switch( pFieldInfo.uiType )
         {
            case HB_FT_STRING:
            {
               char * pStr = ( char * ) hb_xgrab( ( HB_SIZE ) pFieldInfo.uiLen + 1 );
               memset( pStr, ' ', pFieldInfo.uiLen );
               pStr[ pFieldInfo.uiLen ] = '\0';

               hb_itemPutCLPtr( pItem, pStr, pFieldInfo.uiLen );
               break;
            }
            case HB_FT_MEMO:
            case HB_FT_VARLENGTH:
            case HB_FT_BLOB:
               hb_itemPutC( pItem, NULL );
               break;

            case HB_FT_INTEGER:
               hb_itemPutNI( pItem, 0 );
               break;

            case HB_FT_LONG:
               if( pFieldInfo.uiDec == 0 )
                  hb_itemPutNLLen( pItem, 0, pFieldInfo.uiLen );
               else
                  hb_itemPutNDLen( pItem, 0.0, pFieldInfo.uiLen, pFieldInfo.uiDec );
               break;

            case HB_FT_DOUBLE:
               hb_itemPutNDLen( pItem, 0.0, pFieldInfo.uiLen, pFieldInfo.uiDec );
               break;

            case HB_FT_LOGICAL:
               hb_itemPutL( pItem, HB_FALSE );
               break;

            case HB_FT_DATE:
               hb_itemPutDL( pItem, 0 );
               break;

            case HB_FT_TIME:
            case HB_FT_TIMESTAMP:
               hb_itemPutTDT( pItem, 0, 0 );
               break;

            default:
               hb_itemClear( pItem );
               bError = HB_TRUE;
         }

         hb_arraySetForward( pItemEof, uiIndex + 1, pItem );

         if( ! bError )
            bError = ( SELF_ADDFIELD( ( AREAP ) pArea, &pFieldInfo ) == HB_FAILURE );
      }

      hb_itemRelease( pName );

      if( bError )
         break;
   }

   hb_itemRelease( pItem );

   if( bError )
   {
      hb_itemRelease( pItemEof );
      OCI_StatementFree( st );
      hb_errRT_OCIDD( EG_CORRUPTION, ESQLDD_INVALIDFIELD, "Invalid field type", pArea->szQuery, errCode );
      return HB_FAILURE;
   }

   pArea->ulRecCount = 0;
   pArea->ulRecMax   = SQLDD_ROWSET_INIT;

   pArea->pRow = ( void ** ) hb_xgrab( SQLDD_ROWSET_INIT * sizeof( void * ) );
   memset( pArea->pRow, 0, SQLDD_ROWSET_INIT * sizeof( void * ) );
   pArea->pRowFlags = ( HB_BYTE * ) hb_xgrab( SQLDD_ROWSET_INIT * sizeof( HB_BYTE ) );
   memset( pArea->pRowFlags, 0, SQLDD_ROWSET_INIT * sizeof( HB_BYTE ) );

   pArea->pRow[ 0 ]      = pItemEof;
   pArea->pRowFlags[ 0 ] = SQLDD_FLAG_CACHED;

   pSDDData->pStmt = st;
   return HB_SUCCESS;
}