nhibernate-issues

[nhibernate-issues] [JIRA] Commented: (NH-466) Add <join> mapping element to map one class to several tables

[NHibernate J. <mik...@us...>]

     [ http://jira.nhibernate.org/browse/NH-466?page=3Dcomments#action_1445=
0 ]
    =20
Taavi K=C3=B5osaar commented on NH-466:
----------------------------------

How would nhibernate developers feel about taking this into nhibernate 1.2 =
release ? (although i think new features are not to be added anymore ??)
This would be a very valuable addition and a long waited addition.

And to sum things up, great work with the API !!! Love to use it !!

> Add <join> mapping element to map one class to several tables
> -------------------------------------------------------------
>
>          Key: NH-466
>          URL: http://jira.nhibernate.org/browse/NH-466
>      Project: NHibernate
>         Type: New Feature
>   Components: Core
>     Versions: 1.2.0.Beta2
>     Reporter: Alexei
>      Fix For: LATER

>
> It would be nice to be able to map properties of one class to several tab=
les as Hibernate 3.0 does with a <join> element.
> An important feature when working with legacy data models shared by exist=
ing applications.

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[nhibernate-issues] [JIRA] Commented: (NH-466) Add <join> mapping element to map one class to several tables

[NHibernate J. <mik...@us...>]

     [ http://jira.nhibernate.org/browse/NH-466?page=comments#action_14451 ]
     
Sergey Koshcheyev commented on NH-466:
--------------------------------------

If you had a patch, we could discuss it.

> Add <join> mapping element to map one class to several tables
> -------------------------------------------------------------
>
>          Key: NH-466
>          URL: http://jira.nhibernate.org/browse/NH-466
>      Project: NHibernate
>         Type: New Feature
>   Components: Core
>     Versions: 1.2.0.Beta2
>     Reporter: Alexei
>      Fix For: LATER

>
> It would be nice to be able to map properties of one class to several tables as Hibernate 3.0 does with a <join> element.
> An important feature when working with legacy data models shared by existing applications.

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[nhibernate-issues] [JIRA] Commented: (NH-466) Add <join> mapping element to map one class to several tables

[NHibernate J. <mik...@us...>]

     [ http://jira.nhibernate.org/browse/NH-466?page=comments#action_14900 ]
     
Sergey Koshcheyev commented on NH-466:
--------------------------------------

Thanks for the patch, Karl. I will only add this after 1.2 final is released though.

> Add <join> mapping element to map one class to several tables
> -------------------------------------------------------------
>
>          Key: NH-466
>          URL: http://jira.nhibernate.org/browse/NH-466
>      Project: NHibernate
>         Type: Patch
>   Components: Core
>     Versions: 1.2.0.Beta2
>     Reporter: Alexei
>      Fix For: LATER
>  Attachments: NH466_against_r2594.patch
>
> It would be nice to be able to map properties of one class to several tables as Hibernate 3.0 does with a <join> element.
> An important feature when working with legacy data models shared by existing applications.

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[nhibernate-issues] [JIRA] Commented: (NH-466) Add <join> mapping element to map one class to several tables

[NHibernate J. <mik...@us...>]

     [ http://jira.nhibernate.org/browse/NH-466?page=comments#action_14915 ]
     
Karl Chu commented on NH-466:
-----------------------------

I need a clarification on the "inverse" attribute.  Assume the following mapping:

<class name="Person" ...>
    ...
    <join table="Stuff" inverse="true">
        <key .../>
        <property name="StuffName"/>
    </join>
</class>

I understand from the H3 documentation that "If enabled, Hibernate will not try to insert or update the properties defined by this join".  However, when a Person is deleted, should the delete cascade down to the "Stuff" table?

> Add <join> mapping element to map one class to several tables
> -------------------------------------------------------------
>
>          Key: NH-466
>          URL: http://jira.nhibernate.org/browse/NH-466
>      Project: NHibernate
>         Type: Patch
>   Components: Core
>     Versions: 1.2.0.Beta2
>     Reporter: Alexei
>      Fix For: LATER
>  Attachments: NH466_against_r2594.patch
>
> It would be nice to be able to map properties of one class to several tables as Hibernate 3.0 does with a <join> element.
> An important feature when working with legacy data models shared by existing applications.

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[nhibernate-issues] [JIRA] Commented: (NH-466) Add <join> mapping element to map one class to several tables

[NHibernate J. <mik...@us...>]

     [ http://jira.nhibernate.org/browse/NH-466?page=comments#action_14916 ]
     
Sergey Koshcheyev commented on NH-466:
--------------------------------------

Judging from the code, delete will not cascade to inverse joins.

> Add <join> mapping element to map one class to several tables
> -------------------------------------------------------------
>
>          Key: NH-466
>          URL: http://jira.nhibernate.org/browse/NH-466
>      Project: NHibernate
>         Type: Patch
>   Components: Core
>     Versions: 1.2.0.Beta2
>     Reporter: Alexei
>      Fix For: LATER
>  Attachments: NH466_against_r2594.patch
>
> It would be nice to be able to map properties of one class to several tables as Hibernate 3.0 does with a <join> element.
> An important feature when working with legacy data models shared by existing applications.

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