nhibernate-issues

[nhibernate-issues] [NHJIRA] Created: (NH-2665) Formula on Many-to-one pointing to a composite-keyed entity don't work

[Onur G. (JIRA) <nh...@gm...>]

Formula on Many-to-one pointing to a composite-keyed entity don't work
----------------------------------------------------------------------

                 Key: NH-2665
                 URL: http://216.121.112.228/browse/NH-2665
             Project:  NHibernate
          Issue Type: Bug
          Components: Core
    Affects Versions: 3.2.0Alpha2
            Reporter: Onur Gumus
            Priority: Major


Hello, it seems the following mapping won't work

<many-to-one formula="(select top 1 id1, id2 from SomeEntity")/>

in this case id1 and id2 are composite Id's for SomeEntity. NHibernate will complain it was expecting two columns while validating the mapping.

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[nhibernate-issues] [NHJIRA] Commented: (NH-2665) Formula on Many-to-one pointing to a composite-keyed entity don't work

[Fabio M. (JIRA) <nh...@gm...>]

    [ http://216.121.112.228/browse/NH-2665?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=20938#action_20938 ] 

Fabio Maulo commented on NH-2665:
---------------------------------

What you mean ?
where are you using that mapping line where is the mapping of "SomeEntity" ?
many-to-one has <formula> tag (not attribute) and you should use it in case of composite-id.
please attach a failing tests case. 

> Formula on Many-to-one pointing to a composite-keyed entity don't work
> ----------------------------------------------------------------------
>
>                 Key: NH-2665
>                 URL: http://216.121.112.228/browse/NH-2665
>             Project:  NHibernate
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 3.2.0Alpha2
>            Reporter: Onur Gumus
>            Priority: Major
>
> Hello, it seems the following mapping won't work
> <many-to-one formula="(select top 1 id1, id2 from SomeEntity")/>
> in this case id1 and id2 are composite Id's for SomeEntity. NHibernate will complain it was expecting two columns while validating the mapping.

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[nhibernate-issues] [NHJIRA] Commented: (NH-2665) Formula on Many-to-one pointing to a composite-keyed entity don't work

[Onur G. (JIRA) <nh...@gm...>]

    [ http://216.121.112.228/browse/NH-2665?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=20943#action_20943 ] 

Onur Gumus commented on NH-2665:
--------------------------------

Sorry I use attributes normally. 
above case SomeEntity is a table actually also it is an entity with composite ids.
The problem is Mapping validation process assumes if the many-to-one class has a composite id It must have two columns mapped. This check should be skipped if formula is used. I don't have test case right now but i will prepare one.

> Formula on Many-to-one pointing to a composite-keyed entity don't work
> ----------------------------------------------------------------------
>
>                 Key: NH-2665
>                 URL: http://216.121.112.228/browse/NH-2665
>             Project:  NHibernate
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 3.2.0Alpha2
>            Reporter: Onur Gumus
>            Priority: Major
>
> Hello, it seems the following mapping won't work
> <many-to-one formula="(select top 1 id1, id2 from SomeEntity")/>
> in this case id1 and id2 are composite Id's for SomeEntity. NHibernate will complain it was expecting two columns while validating the mapping.

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[nhibernate-issues] [NHJIRA] Closed: (NH-2665) Formula on Many-to-one pointing to a composite-keyed entity don't work

[Fabio M. (JIRA) <nh...@gm...>]

     [ http://216.121.112.228/browse/NH-2665?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Fabio Maulo closed NH-2665.
---------------------------

    Resolution: Not an Issue

You can map the formula per each expected parts of the compisite-id.

<many-to-one name="Blah">
<formula>formula for the first element of the id</formula>
<formula>formula for the second element of the id</formula>
</many-to-one>


> Formula on Many-to-one pointing to a composite-keyed entity don't work
> ----------------------------------------------------------------------
>
>                 Key: NH-2665
>                 URL: http://216.121.112.228/browse/NH-2665
>             Project:  NHibernate
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 3.2.0Alpha2
>            Reporter: Onur Gumus
>            Priority: Major
>
> Hello, it seems the following mapping won't work
> <many-to-one formula="(select top 1 id1, id2 from SomeEntity")/>
> in this case id1 and id2 are composite Id's for SomeEntity. NHibernate will complain it was expecting two columns while validating the mapping.

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