Re: Still SQLSetPos problem even with minimal sample, SQL_NULL_DATA

Hiroshi Inoue schrieb:

> lothar.behrens@lollisoft.de wrote:
> > Hi,
> >
> > I have implemented setting SQL_COLUMN_IGNORE, SQL_NULL_DATA and have
> > added functions
> > to indicate this state.
> >
> > I have made a 'small' sample application to demonstrate this, but I
> > still use my ODBC wrapper
> > classes in that sample application. You may get access to the full
> > code. Ask for it!
> >
> > The first insert is with valid foreign keys and no column set to NULL.
> > This insert works.
> > My next insert has set the columns to NULL, but it inserts the values
> > of the last insert.
>
> <snip>
>
> > Currently I have made an array of long (cbBufferLength[2]) and set this
> > explicitely short before
> > the call to SQLSetPos:
> >
> >     if (mode == 1) // 1 means adding
> >         cbBufferLength[1] = SQL_NULL_DATA+SQL_COLUMN_IGNORE;
> >     else
> >         cbBufferLength[0] = SQL_NULL_DATA+SQL_COLUMN_IGNORE;
>
> At first glance, adding SQL_NULL_DATA(=-1) and SQL_COLUMN_IGNORE(=-6)
> seems to have no meaning.
> If you really want to set to NULL on SQL_ADD, please set SQL_NULL_DATA.
> If you want to set DEFAULT on SQL_ADD, please set SQL_COLUMN_IGNORE.
>

Ahh,

I misunderstood you. I will try that today.

regards,

Lothar

> regards,
> Hiroshi Inoue
>
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