> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of Adrian
> Hallam
> Sent: 3. oktober 2002 19:45
> To: [EMAIL PROTECTED]
> Subject: [Middlegen-user] Relationships question
>
>
> Hello,
>
> I have been working on generating cmp beans and have
> gotten some jars completed. However, I never seem to
> be able to get relationships in my database to appear
> in the GUI. I have looked through the source code and
> the call in the function
> MiddlegenPopulator.addRelationships(...)
> getMetaData().getExportedKeys(_catalog, _schema,
> pkTable.getSqlName());
>
> returns me an empty result set for my database. My
> understanding is that this causes no relationships to
> be generated. I am also working on the understanding
> that the relationships should have been generated from
> the Foreign Keys defined in the database?
>
> I also get no relationships for the Airline example
> when I run it on my system. I am running MySql
> (mysql-max-3.23.52-win), Java 1.4 and Ant 1.5. Again,
> the airline ejb jar that is produced deploys OK (Jboss
> 3.0.2) but doesn't contain any relationships.
>
http://boss.bekk.no/boss/middlegen/platforms/database.html
have you enabled InnoDB on your MySQL?
http://www.innodb.com/ibman.html
> When the airline sample GUI appears, is there supposed
> to be relationships visible by default? For example,
yes.
> between persons.person_id and
> reservations.personid_fk? If not, is there a way to
> create these manually?
>
http://boss.bekk.no/boss/middlegen/ant/table.html#crossref
> Also, where is the best place for me to go and read
> more - either documentation or source code to work out
> why my relationships aren't appearing?
>
Hopefully this will get you a step further.
> btw, I am referring to 1:1 and 1:M relationships
> only.- I have bene updating the M:M in the build.xml
> script.
>
> Thanks greatly for any help.
>
> Regards,
> Adrian
>
Cheers,
Aslak
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>
>
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