[hibernate-issues] [Hibernate-JIRA] Created: (HHH-4727) Add option to specify foreign key name on table with shared primary key used in one-to-one relationship

[Pavla Nováková (JIRA)]

Add option to specify foreign key name on table with shared primary key used in one-to-one relationship  
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                 Key: HHH-4727
                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-4727
             Project: Hibernate Core
          Issue Type: Improvement
          Components: core
    Affects Versions: 3.3.2
            Reporter: Pavla Nováková


There is currently no way to specify (user friendly) foreign key name on table with shared primary key used in One-to-One mapping. The most intuitive way would be to
accept @ForeignKey on property level (see the comment in the code below) or on entity level (similar way to usage in joined inheritance) or last option may be add parameter in foreign generator.

{code}
@Entity
public class ExampleEntity implements Serializable {

@Id
@GenericGenerator(name = "foreign-generator", strategy = "foreign", parameters=@Parameter(name="property", value="parentExampleEntity"))
@GeneratedValue(generator = "foreign-generator")
private Long id;

...

@PrimaryKeyJoinColumn
@OneToOne(fetch=FetchType.LAZY, optional=false)
@org.hibernate.annotations.ForeignKey(name="parent_entity_fk") // this is currently ignored
private ParentExampleEntity parentExampleEntity;

...

}
{code}

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