I don't think you are right Gail. You can use secondary tables even if no association are involved. We happen to use the secondary table mechanism to map one to one + join table but that's an implementation detail of Hibernate ORM.
On 1 mars 2013, at 20:49, Gail Badner <gbad...@redhat.com> wrote: > Actually, there are entities used in unit tests with @SecondaryTable defined > with only *-to-one attributes that refer to those tables: > > org.hibernate.test.annotations.inheritance.mixed.File > org.hibernate.test.annotations.inheritance.mixed.SymbolicLink > org.hibernate.test.annotations.manytoone.OrderLine > org.hibernate.test.annotations.onetoone.Client > > Unless I hear otherwise, I'll assume @SecondaryTable can optionally be > defined if only associations refer to it. > > Gail > > ----- Original Message ----- >> From: "Gail Badner" <gbad...@redhat.com> >> To: "Hardy Ferentschik" <ha...@hibernate.org> >> Cc: "Hibernate hibernate-dev" <hibernate-dev@lists.jboss.org> >> Sent: Friday, March 1, 2013 11:06:04 AM >> Subject: Re: [hibernate-dev] Is @SecondaryTable required when a join table >> is specified? >> >> Hi Hardy, >> >> I've seen lots of unit tests that have @SecondaryTable. I didn't make >> the connection that it was non-association attributes that refer to >> a secondary table. >> >> Thanks for the clarification. >> Gail >> >> ----- Original Message ----- >>> From: "Hardy Ferentschik" <ha...@hibernate.org> >>> To: "Gail Badner" <gbad...@redhat.com> >>> Cc: "Hibernate hibernate-dev" <hibernate-dev@lists.jboss.org> >>> Sent: Friday, March 1, 2013 2:07:56 AM >>> Subject: Re: [hibernate-dev] Is @SecondaryTable required when a >>> join table is specified? >>> >>> Hi, >>> >>> Secondary tables and associations (join tables) are really two >>> different things. A secondary table allows you to map your entity >>> properties to >>> multiple tables. @JoinTable on the other hand are used to map >>> associations and configure certain properties of the join table. >>> One does not require the other. I am not sure what makes you >>> believe >>> that using @JoinTable requires the use of @SecondaryTable. >>> If you after some examples have a look at the JPA spec as well. It >>> is >>> a good starting point. >>> >>> Regarding the metamodel branch, I am not sure about the binders and >>> so on, but afaicr the sources does not imply the link >>> between join table and secondary table. >>> >>> --Hardy >>> >>> >>> On 1 Jan 2013, at 7:13 AM, Gail Badner <gbad...@redhat.com> wrote: >>> >>>> I noticed that >>>> org.hibernate.test.annotations.onetoone.OneToOneTest >>>> and OptionalOneToOnePKJCTest uses this mapping: >>>> >>>> https://github.com/hibernate/hibernate-orm/blob/master/hibernate-core/src/test/resources/org/hibernate/test/annotations/onetoone/orm.xml >>>> >>>> Son.father specifies a join-table ("father_son"), but has no >>>> <secondary-table>. There is no @SecondaryTable defined in Son >>>> (this is a unidirectional association). >>>> >>>> I thought that @SecondaryTable was required when an association >>>> uses a join table. Currently, that's how it works in the new >>>> metamodel. >>>> >>>> Should it be optional? >>>> >>>> Thanks, >>>> Gail >>>> _______________________________________________ >>>> hibernate-dev mailing list >>>> hibernate-dev@lists.jboss.org >>>> https://lists.jboss.org/mailman/listinfo/hibernate-dev >> _______________________________________________ >> hibernate-dev mailing list >> hibernate-dev@lists.jboss.org >> https://lists.jboss.org/mailman/listinfo/hibernate-dev > _______________________________________________ > hibernate-dev mailing list > hibernate-dev@lists.jboss.org > https://lists.jboss.org/mailman/listinfo/hibernate-dev _______________________________________________ hibernate-dev mailing list hibernate-dev@lists.jboss.org https://lists.jboss.org/mailman/listinfo/hibernate-dev
