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AHF wrote:Antonio,

What is this for ?

HB_SYMBOL_UNUSED( nWA )

Code: Select all  Expand view

STATIC FUNCTION ADO_FIELDSTRUCT( oRs, n ) // ( oRs, nFld ) where nFld is 1 based
                                    // ( oRs, oField ) or ( oRs, cFldName )
                                    // ( oField )

   LOCAL oField, nType, uval
   LOCAL cType := 'C', nLen := 10, nDec := 0, lRW := .t.,nDBFFieldType :=  HB_FT_STRING // default
   LOCAL nFWAdoMemoSizeThreshold := 1024
   
   /*
     cType DBF TYPE "C","N","D" ETC
     nDBFFieldType HB_FT_STRING ETC
   */
   /* IF n == nil
      oField      := oRs
      oRs         := nil
   ELSEIF VALTYPE( n ) == 'O'
      oField      := n
   ELSE
      IF ValType( n ) == 'N'
         n--
      ENDIF
      TRY
         oField      := oRs:Fields( n )
      CATCH
      END
   ENDIF
   IF oField == nil
      RETURN nil
   ENDIF
   */
   oField      := oRs:Fields( n )
   nType       := oField:Type

   IF nType == adBoolean
   
      cType    := 'L'
      nLen     := 1
      nDBFFieldType := HB_FT_LOGICAL
     
   ELSEIF ASCAN( { adDate, adDBDate, adDBTime, adDBTimeStamp }, nType ) > 0
   
      cType    := 'D'
      nLen     := 8
      IF oRs != nil .AND. ! oRs:Eof() .AND. VALTYPE( uVal := oField:Value ) == 'T'
      //.AND. FW_TIMEPART( uVal ) >= 1.0 WHERE IS THIS FUNCTION?
         cType      := '@' //'T'
         nLen := oField:DefinedSize
         nDBFFieldType := HB_FT_TIMESTAMP // DONT KNWO IF IT IS CORRECT!
      ELSE
         nDBFFieldType := HB_FT_DATE
      ENDIF
     
   ELSEIF ASCAN( { adTinyInt, adSmallInt, adInteger, adBigInt, ;
                  adUnsignedTinyInt, adUnsignedSmallInt, adUnsignedInt, ;
                  adUnsignedBigInt }, nType ) > 0
                 
      cType    := 'N'
      nLen     := oField:Precision + 1  // added 1 for - symbol
     
      IF oField:Properties( "ISAUTOINCREMENT" ):Value == .t.
         cType := '+'
         lRW   := .f.
      ENDIF
     
      nDBFFieldType := HB_FT_INTEGER
     
   ELSEIF ASCAN( { adSingle, adDouble, adCurrency }, nType ) > 0
   
      cType    := 'N' //SHOULDNT BE "B"?
      nLen     := MIN( 19, oField:Precision-oField:NumericScale-1 ) //+ 2 )
      IF oField:NumericScale > 0 .AND. oField:NumericScale < nLen
         nDec  := oField:NumericScale
      ENDIF
      nDBFFieldType := HB_FT_INTEGER //HB_FT_DOUBLE WICH ONE IS CORRECT?
     
   ELSEIF ASCAN( { adDecimal, adNumeric, adVarNumeric }, nType ) > 0
   
      cType    := 'N'
      nLen     := Min( 19, oField:Precision-oField:NumericScale-1 ) //+ 2 )
     
      IF oField:NumericScale > 0 .AND. oField:NumericScale < nLen
         nDec  := oField:NumericScale
      ENDIF
     
      nDBFFieldType := HB_FT_INTEGER //HB_FT_LONG WICH ONE IS CORRECT?
     
   ELSEIF ASCAN( { adBSTR, adChar, adVarChar, adLongVarChar, adWChar, adVarWChar, adLongVarWChar }, nType ) > 0
   
      nLen     := oField:DefinedSize
      nDBFFieldType := HB_FT_STRING
     
      IF nType != adChar .AND. nType != adWChar .AND. nLen > nFWAdoMemoSizeThreshold
         cType := 'M'
         nLen  := 10
         nDBFFieldType := HB_FT_MEMO
      ENDIF
     
   ELSEIF ASCAN( { adBinary, adVarBinary, adLongVarBinary }, nType ) > 0
   
      cType := "G"
      nLen     := oField:DefinedSize
      IF nType != adBinary .AND. nLen > nFWAdoMemoSizeThreshold
         cType := 'M'
         nLen  := 10
      ENDIF
     
      nDBFFieldType := HB_FT_OLE
     
      IF nType != adBinary .AND. nLen > nFWAdoMemoSizeThreshold
         nDBFFieldType := HB_FT_MEMO
      ENDIF

   ELSEIF ASCAN( { adChapter, adPropVariant}, nType ) > 0
   
      cType    := 'O'
      lRW      := .f.
      nDBFFieldType := HB_FT_MEMO
     
   ELSEIF ASCAN( { adVariant, adIUnknown }, nType ) > 0

      cType := "V"
      nDBFFieldType := HB_FT_ANY
     
   ELSEIF ASCAN( { adGUID }, nType ) > 0      
   
      nDBFFieldType := HB_FT_STRING
     
   ELSEIF ASCAN( { adFileTime }, nType ) > 0         
   
      cType := "T" 
      nDBFFieldType := HB_FT_DATETIME
     
   ELSEIF ASCAN( { adEmpty, adError, adUserDefined, adIDispatch  }, nType ) > 0   
   
      cType = 'O'
      lRw := .t.
      nDBFFieldType := HB_FT_NONE //what is this? maybe NONE is wrong!
     
   ELSE
   
      lRW      := .f.
     
   ENDIF
   
   IF lAnd( oField:Attributes, 0x72100 ) .OR. ! lAnd( oField:Attributes, 8 )
      lRW      := .f.
   ENDIF
   
   RETURN { oField:Name, cType, nLen, nDec, nType, lRW, nDBFFieldType }

 

AHF wrote:Do you code code use index present in the server DB with ADOX? Maybe Enrico has it.

AHF wrote:I know I shouldnt use ADOX!