Catch a Null value

Ruslan R. Laishev Laishev at SMTP.DeltaTel.RU
Tue Sep 26 11:35:29 EDT 2000


Hi Kevin!

	I just checked it , hmmm, it realy works!

	Thanks for quick answer!

Kevin Lyons wrote:
> 
> "Ruslan R. Laishev" wrote:
> >
> > Hi All!
> >         Still have a question:"how to catch null values" ?
> >         Is there someone from developers at all ?
> >
> > Ruslan R. Laishev wrote:
> > >
> > > Hi All!
> > >         Is there any flag in the TDSCOLINFO which shows the Null value ?
> 
> There is, in the tds layer, a function called tds_get_null that returns
> 1 if the column is NULL, 0 if otherwise.
> 
> Example:
>  if (tds_get_null(tds->res_info->current_row, col) == 1)  {
>     /* we've got a null value so handle accordingly */
>     ...
>  }
> 
> --
> Give a man a fire and he's warm for one night, but set a man on fire and
> he's
> warm for the rest of his life." - Terry Pratchett "Jingo"
> 
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