Indeed, the bottom line is this: Cayenne happily supports meaningful primary
keys. Just expose them in the modeler and make sure you have your own key
generation process in place.
I stand by my statement that meaningful keys are to be avoided whenever
possible. If you don't trust your database
Hi Garth,
If you have a legacy schema with meaningful PKs, it is fine to map
them. In general, especially when creating a new schema, meaningful
PKs are to be discouraged, but sometimes you don't have a choice.
mrg
On Fri, Nov 2, 2012 at 3:51 PM, Garth Keesler wrote:
> This issue remains a ho
This issue remains a hot-button topic out there so here's my situation:
I have a list of abbreviated Vendor Names that haven't changed in ten
years altho it has been added to. That name is meaningful and is used in
a variety of places as a foreign key. It would also make a very nice PK
since it
I did the same test and it worked for me as well.
Thanx Much,
Garth
On 11/02/2012 02:06 PM, Andrus Adamchik wrote:
I just did a quick test on Cayenne 3.1 and PG 9.1. And all I had to do is to
map the DbAttribute type as OTHER instead of VARCHAR and map ObjAttribute as
java.lang.String. This d
I just did a quick test on Cayenne 3.1 and PG 9.1. And all I had to do is to
map the DbAttribute type as OTHER instead of VARCHAR and map ObjAttribute as
java.lang.String. This did it.
So after all PG's turned out to be one of the few drivers that actually handles
type "OTHER" correctly, and th
Correct.
On Nov 2, 2012, at 5:23 PM, gar...@hiwaay.net wrote:
> Sorry, I found later in the docs that the Cayenne class has replaced this.
> Question is the same, however. Should I use the Cayenne class to return
> single instances if I know the PK?
>
> Thanx,
> Garth
>
> - Forwarded mess
Sorry, I found later in the docs that the Cayenne class has replaced
this. Question is the same, however. Should I use the Cayenne class to
return single instances if I know the PK?
Thanx,
Garth
- Forwarded message from gar...@hiwaay.net -
Date: Fri, 02 Nov 2012 08:13:03 -0500
Is this the preferred method for returning a single, specific object
instance from the database?
Thanx,
Garth
