Hi Guys,
The foreign key convention is supported and is demonstrated in this
test: ImpliedRelationshipTests.testAddNewOrder()
The convention is lightly documented here:
http://wiki.apache.org/ws/ConventionOverConfiguration
Thanks,
--Kevin
Luciano Resende 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 <adrianocrestani@gmail.com> 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
>>
>
>
>
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