Re: [dali-dev] default schema in orm.xml?

[Neil Hauge <neil.hauge@xxxxxxxxxx>]

Hi Tom,

I did a little more research on this and it turns out that there were a 
couple of bugs filed against TopLink Essentials regarding this issue.

https://glassfish.dev.java.net/issues/show_bug.cgi?id=2267
https://glassfish.dev.java.net/issues/show_bug.cgi?id=2647

From what I've been told, this issue should be fixed in Glassfish V2, 
so I would give that a try.

Open JPA may have a similar issue. 

Regarding the vendor specific property, I would say that using the 
orm.xml file would be the preferred method for setting the schema 
default.  For the case of multiple Mapping Files, the 
persistence-unit-defaults should only be defined in one the files.  It 
is invalid to define the default in more than one orm.xml.

Neil



Tom Mutdosch wrote:

> Hi Neil,
>
> Awhile back we were talking about the best way to set the default 
> schema and you mentioned:
> "The persistence-unit-default schema setting defines the schema to be 
> used when it is not otherwise specified for the entire persistence 
> unit. I don't think that setting the schema through the vendor 
> specific properties is the way to go. I'll try to confirm that orm.xml 
> method does indeed work as expected on TopLink Essentials."
>
> Did you (or anyone else on the list) ever get a chance to verify 
> this?  My thoughts were the same as yours, but I said that this was 
> not working on OpenJPA.  I asked on one of the mailing list and 
> someone responded that they thought using the provider-specific 
> property was indeed the way to go, because what if you you had 
> multiple orm.xml files: which schema definition would be the right 
> default one?
>
> So I'm still a bit unsure - it still seems to me that using the 
> provider-specific properties is a bit limiting, since that ties you to 
> a specific platform, and the default schema really is not 
> platform-specific at all.
>
> -Tom
>
>
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