[nhibernate-issues] [NHJIRA] Updated: (NH-2700) SqlFunctionProjection does not honor parameter order

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

     [ http://216.121.112.228/browse/NH-2700?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Fabio Maulo updated NH-2700:
----------------------------

    Fix Version/s:     (was: 3.2.0Beta2)

> SqlFunctionProjection does not honor parameter order
> ----------------------------------------------------
>
>                 Key: NH-2700
>                 URL: http://216.121.112.228/browse/NH-2700
>             Project:  NHibernate
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 3.1.0
>            Reporter: Andrei Alecu
>            Assignee: Patrick Earl
>            Priority: Minor
>         Attachments: nh2700 failing test.patch
>
>
> If you define a function in a custom dialect that does not have the parameters in order and use SqlFunctionProjection, the generated sql is wrong, and does not honor parameter order.
> For example:
>      RegisterFunction(
>                     "AddDays",
>                     new SQLFunctionTemplate(
>                             NHibernateUtil.DateTime,
>                                 "dateadd(day,?2,?1)"
>  
>                             )
>                     );
>                 var proj = new SqlFunctionProjection("AddDays", NHibernateUtil.DateTime,
>                                                      new IProjection[]
>                                                          {
>                                                              Projections.Property<ModelClass>(p=>p.Date1),
>                                                              Projections.Property<ModelClass>(p=>p.Value1)
>                                                          });
> Generated SQL (buggy):
>     SELECT dateadd(day,this_.Date1,this_.Value1)
> Expected SQL:
>     SELECT dateadd(day,this_.Value1,this_.Date1)
> Using an HQL query honors parameter order properly
> I will attach a failing unit test.

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