persistence@glassfish.java.net

RE: InheritanceType.JOINED and discriminator column?

From: Gordon Yorke <gordon.yorke_at_oracle.com>
Date: Fri, 28 Jul 2006 14:26:38 -0400

No, the current trunk has the same behaviour.
--Gordon

-----Original Message-----
From: Marina.Vatkina_at_Sun.COM [mailto:Marina.Vatkina_at_Sun.COM]On Behalf Of
Marina Vatkina
Sent: Friday, July 28, 2006 2:22 PM
To: persistence_at_glassfish.dev.java.net
Subject: Re: InheritanceType.JOINED and discriminator column?


Hi Gordon,

The RI was v1_b48. Does the current trunk version behave differently?

thanks,
-marina

Gordon Yorke wrote:
> Marina,
> The RI does require a discriminator column for InheritanceType.JOINDED and yes users are responsible for changes to existing tables if they are not already using a form of discriminator column.
> --Gordon
>
> -----Original Message-----
> From: Marina.Vatkina_at_Sun.COM [mailto:Marina.Vatkina_at_Sun.COM]On Behalf Of
> Marina Vatkina
> Sent: Thursday, July 27, 2006 8:57 PM
> To: persistence
> Subject: InheritanceType.JOINED and discriminator column?
>
>
> Tom, Gordon,
>
> Does TopLink require discriminator column for InheritanceType.JOINED?
> If yes, are the users responsible for changes to existing tables if
> they didn't have this column?
>
> thanks,
> -marina