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From Andrey Razumovsky <razumovsky.and...@gmail.com>
Subject Re: Relationships without FK constraints?
Date Fri, 27 Mar 2009 18:18:31 GMT
Just reread your question.. Sorry for misleading. This is true, Cayenne
cannot know about relationships in DB without FKs. So you have to map them
manually

2009/3/27 Andrey Razumovsky <razumovsky.andrey@gmail.com>

> Yeah, it will make ObjRelation named "artist" from column "artist_id".
> More info here:
> http://cwiki.apache.org/confluence/display/CAYDOC/Reverse+Engineer+Database
>
> 2009/3/27 Michael Gentry <mgentry@masslight.net>
>
> I'm not familiar with that option/strategy, but perhaps someone else
>> here has used it and can jump in.
>>
>> mrg
>>
>>
>> On Fri, Mar 27, 2009 at 1:22 PM, Joseph Schmidt
>> <joseph_schmidt71@yahoo.com> wrote:
>> >
>> >> I don't reverse engineer often, but I
>> >> believe if the constraints
>> >> aren't defined in the DB, then the reverse engineering
>> >> process has no
>> >> way of knowing about the relationship,
>> > Well, it could, based on the naming conventions: e.g.
>> > "artist_id" from any table is a relation to "artists" table.
>> > When doing reverse engineering there is the SmartNamingStrategy
>> selectable, that I think is supposed to do exactly this kind of convention
>> based recognition.
>> > At least from it's test class:
>> >
>> cayenne\framework\cayenne-modeler\src\test\java\org\apache\cayenne\modeler\util\SmartNamingStrategyTest.java
>> > it looks like it's trying to test something in this direction.
>> >
>> > Thanks,
>> > Joseph.
>> >
>> >
>> >
>> >
>> >
>>
>
>

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