Re: [INTERFACES] Foreign Keys

Michael Davis wrote:

> I have narrowed the problem down a little. Here is what I have discovered
> so far:
>
> - sql.log (odbc trace facility) has no references to primary or
> foreign keys
>
> - if I open the form on an exising record, it works great
>
> - if I open the form on a new record, an error occurs in a select
> statement that basically locks up the subform
>
> - the error occurs on "select orderlineid from orderlines where
> orderid = NULL" the null is the result of being on a new or blank record.
> Access gets the orderid of the current record, it is null. Access gets all
> orderlineids associated with the orderid. This fails on the new record.
> When the form is on a valid record, Access then gets the orderline record
> for each orderlineid returned by the previous statement. This seems to be a
> long way around getting data, but I don't have any control over this
> interaction.
>
> It appears that I cant add new records using Access97 with PostgreSQL as my
> database engine. Has anyone used Access97 or other similar front end tools
> to interface with a PostgreSQL database? Any suggestions on what I might
> try next to work around this problem?
>
>

Logs, logs, logs (see my last response). I don't know how else to put it!

Its next to impossible to figure things out without the logs.

Byron