[Twisted-Python] enterprise.row and two-way relationships

Justin Ryan justin at gnubian.org
Sun Oct 20 18:49:37 EDT 2002

> Ah! Ok...now I'll show my lack of attention. I didn't pay attention to
> the twisted.enterprise.ROW reference!
> Well...the row stuff looks pretty wonky to me *grin*, but since I want
> to understand it as well, we can figure it out together. 

admittedly, it does.. I'm embarrassed to admit that I'm currently using
a pretty lame db access method..

The Python Cookbook outlines a LazyDB class (aptly named at that) which
implemens Connection, Record and RecordSet objects (though I honestly
don't see why it couldn't be done with a list of Records).. 

As it is implemented, it doesn't seem feasible to subclass the Record
object, which means I can't implement objects for each of my tables..

> Is the following a good minimalist schema for the objects?
> account (
> accountid integer,
> name varchar(100),
> )
> contact (
> contactid integer,
> fname varchar(100),
> lname varchar(100),
> email varchar(100)
> )
> rel (
> accountid integer,
> contactid integer
> )
> If you've got better field names, just let me know. I just want to be
> able to talk apples to apples...

I've got a few more fields in the contact table, but we can work with id
and name..

If you check the other reply to my post, I tried the create view method
and it seems like it will work, but still makes for messy integration
with row, since i'll have to define three rows - one for accounts, one
for contacts, and one for the integrated view (although honestly, the
account table will rarely be accessed without the full view).


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