On Sunday 23 December 2007 8:03 pm, johnf wrote:
> > >   The source is the bizobj; i.e., the 'DataSource'. The update()
> > > method is called frequently; it would not be wise to have it
> > > constantly requerying the database.
> >
> > I sort of understand. Let me see if I can work this out. In my case the
> > bizobj refers to a table (which from the documentation is the 'default'
> > use) so I saw the table as the DataSource, not the bizobj. What you are
> > saying is that the bizobj as the middleware component caches data in its
> > structure and update() works on that structure and requery() works on the
> > underlying table. Am I getting close?
>
> Yes it sounds good to me!
>
> > If my assumptions above are correct I can see how this would be a
> > problem. To play the Devils advocate I prefer that data is automatically
> > saved when moving from record to record. I have greater faith in a
> > database table holding data than an application. My inclination is to
> > make the data hit the database soon and often. From poking around I can
> > see ways to make that happen, I just have to work out the procedure.
>
> Not my cup of tea but as you have discovered Dabo is very flexible and
> should beable to work for you.  Don't forget you are working with Postgres
> and you will have to consider changing the way transaction processing is
> handled.
I am not sure I follow. My experience with Psycopg is that is very fast and 
that doing small transactions is not an issue.
-- 
Adrian Klaver
[EMAIL PROTECTED]


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