Hi,Bools are 16 bit integers in MS Access. To get around this
problem I just defined int2 in the fields where I wanted bools and
this seems to be working fine. I always check field<>false as, in MS
Access, false=0 and true=-1, but of course int2s can have other
values. To help MS Access with its versioning try turning row
versioning on.
Hope this helps,
- Stuart
> -----Original Message-----
> From: Markus Wagner [mailto:wagner@imsd.uni-mainz.de]
> Sent: 15 February 2002 07:36
> To: pgsql-interfaces@postgresql.org
> Subject: serious trouble with bool and Access
>
>
> Hi,
>
> we're in serious trouble with an application using BOOLs. We
> have boolean
> attributes in a pg table, being represented as checkboxes in
> Access. Changing
> these controls results in an error message "another user has
> changed the
> data", or something like that.
>
> We tried nearly everything. The mailing list archives gave
> hints to the pg
> ODBC driver, the "bools as char" flag and so on. We tried
> with and without
> this flag. Then, without it, the problem seemed to be solved.
> But we found
> that now the data must have been changed several times in
> different records,
> before the problem reappears.
>
> Our current settings are "bools as char" off, "text as
> longvarchar" off. The
> bools are normal BOOL attributes of size 1, as reported by
> pgaccess. We also
> tried to change the table properties for the fields in
> Access, "display as
> checkbox" and so on. We drag the fields from the field list
> into the form.
> But also changing the ODBC-connected tables directly results
> in the same
> error.
>
> Isn't there a unique solution to that? Why are bools that critical?
>
> Thank you very much,
>
> Markus
>