Interesting, I have a same scenario on a shoppingcart application I am
working on, and it does not work if I don't have the relationship defined on
my das config.
On 4/8/07, Brent Daniel <[EMAIL PROTECTED]> wrote:
This is implemented. A column named {x}_ID where {x} is the primary
key table name is assumed to be a foreign key to a column named ID in
the PK table. Examples are in ImpliedRelationshipTests. I'm not sure
why it isn't working for you here, though.
Brent
On 4/7/07, Adriano Crestani <[EMAIL PROTECTED]> wrote:
> Yes, you got the point Luciano...so the reason is that it's not yet
> implemented on Convetion Over Configuration ; ).
>
> Thanks
>
> Adriano Crestani
>
> On 4/7/07, Luciano Resende <[EMAIL PROTECTED]> wrote:
> >
> > Have you setup the relationship on your DAS config file ? Should look
> > something like the example below :
> >
> > <Relationship name="BDATA" primaryKeyTable="A" foreignKeyTable="B"
> > many="true">
> > <KeyPair primaryKeyColumn="ID" foreignKeyColumn="B_ID"/>
> > </Relationship>
> >
> > See more info around relationships on [1] and [2].
> >
> > Now, if what you want is to have the relationship done via Convention
over
> > Configuration, I don't think we have that implemented, our set of
> > implemented conventions are limited at the moment.
> >
> > [1] - http://wiki.apache.org/ws/ForeignKeyRepresentationAndManagement
> > [2] - http://wiki.apache.org/ws/WorkingWithRelationships
> >
> >
> > On 4/7/07, Adriano Crestani <[EMAIL PROTECTED]> wrote:
> > >
> > > Another doubt:
> > >
> > > I have the following tables on my database:
> > >
> > > create table B (
> > > ID INTEGER NOT NULL PRIMARY KEY
> > > );
> > >
> > > create table A (
> > > ID INTEGER NOT NULL PRIMARY KEY,
> > > B_ID INTEGER,
> > > FOREIGN KEY (B_ID) REFERENCES B(ID)
> > > );
> > >
> > > OK, then I was analyzing the generated sdo graph when I execute the
> > query
> > > "select * from A, B;", I got something like this:
> > >
> > > Graph1:
> > >
> > >
> >
http://cwiki.apache.org/confluence/download/attachments/45093/das_graph.JPG
> > >
> > > I understand the column B_ID would be considered only an integer
column
> > > when
> > > of table A when there is no B table returned on the query. However,
the
> > B
> > > table is also returned on the query and as the B_ID column is a FK
to
> > the
> > > table B, shouldn't the graph be like this?:
> > >
> > > Graph2:
> > http://cwiki.apache.org/confluence/download/attachments/45093/das+
> > > graph+as+I+suppose+it+shoud+be.JPG
> > > <
> > >
> >
http://cwiki.apache.org/confluence/download/attachments/45093/das+graph+as+I+suppose+it+shoud+be.JPG
> > > >
> > >
> > > This way I think the data returned by the query would be better
> > > represented
> > > on the graph. Maybe there is a reason for the graph to be generated
as
> > > Graph1 instead of Graph2.
> > > What do you say guys?
> > >
> > > Adriano Crestani
> > >
> >
> >
> >
> > --
> > Luciano Resende
> > http://people.apache.org/~lresende
> >
>
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Luciano Resende
http://people.apache.org/~lresende
