[fpc-pascal] Assigning value to ftVariant datatype& varbytes-still stuck

Ludo Brands ludo.brands at free.fr
Mon Aug 8 13:18:53 CEST 2011


> > TBufDataset doesn't support ftVarBytes and ftVariant. Variants are 
> > complex objects and aren't stored by just copying bytes. Don't use 
> > them with TBufDataset.
> > 
> > Ludo
> > 
> ... cause they have some kind of structure that describes 
> what kind of data the variable/field actually contains and a 
> pointer to memory containing the actual data? Just guessing...
> 

Yes, a pointer or the actual data for basic types. Sizeof(variant) is 16.
Copying only 10 bytes is clearly not working, even for the simple datatypes.

 
Ludo

> Anyway, once again thanks a lot for the help, I've updated my 
> test code and posted http://bugs.freepascal.org/view.php?id=19930
> 
> Reinier
> _______________________________________________




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