Thanks everyone, i'm also thought that mapping in separate classes will be the solution, I just wanted to be sure that ther is no other way.
On Jan 6, 4:38 pm, Hudson Akridge <hudson.akri...@gmail.com> wrote: > > How can I define that the related column in the CUSTOMER table will be > > CustomerTypeCode and not CustomerId? (if I can at all) > > I don't believe you can. The table you're performing a join on uses the PK, > while the table you're joining to can be defined by a KeyColumn. > Ref:http://ayende.com/Blog/archive/2009/04/20/nhibernate-mapping-ltjoingt... > > What it really looks like you're trying to do here, is a Many-To-One > (References() in FNH). I would recommend a mapping class for CustomerType, > as a class, and define the Id(x=> x.CustomerType). Then map a References(x=> > x.CustomerType, "CustomerTypeCode") on the Customer side. This should give > you what you want. A Join is for when you have two tables, that contain the > same information for an object. In this case, Customer, and CustomerType > should be two separate classes in your object model. Doing that will allow > you to represent them in FNH/NH much easier. > > > > > > On Wed, Jan 6, 2010 at 6:53 AM, Paul Batum <paul.ba...@gmail.com> wrote: > > I can't find anything in the nhibernate documentation that indicates > > how you would do this with the xml. You might be best served asking on > > the nhusers list to determine the necessary xml so that we can then > > help you map it with FNH. > > > On Wed, Jan 6, 2010 at 11:25 PM, Olga <olgaru...@gmail.com> wrote: > > > Hello, > > > > I have two tables that I want to map to one class that will looks > > > like: > > > > CUSTOMER_INFO_CLASS.cs > > > ---------------------- > > > Id (CUSTOMER table) > > > CustomerName (CUSTOMER table) > > > CustomerTypeDesc (CUSTOMER_TYPE table) > > > I tried to do it with join, as follows: > > > > Table("CUSTOMER"); > > > > Id(x => x.ID).Length(10).Column("CustomerId"); > > > Map(x => x.CustomerName); > > > > Join("CUSTOMER_TYPE", m => > > > { > > > m.Optional(); > > > m.Map(x => x.CustomerTypeDesc); > > > m.KeyColumn("CustomerType"); > > > }); > > > The problem is that the field with whom I'm trying to link the two > > > tables is not a primary key in any of them. (And by default the join > > > done by the field that defined as ID) So I found that for the > > > CUSTOMER_TYPE table I can define the field by “KeyColumn”. > > > How can I define that the related column in the CUSTOMER table will be > > > CustomerTypeCode and not CustomerId? (if I can at all) > > > > At the end the sql query should looks like: > > > > Select Id, CustomerName, CustomerAddress, CustomerTypeDesc > > > From CUSTOMER t1 > > > Left join CUSTOMER_TYPE t2 > > > On t1.CustomerTypeCode = t2.CustomerType > > > > -- > > > You received this message because you are subscribed to the Google Groups > > "Fluent NHibernate" group. > > > To post to this group, send email to fluent-nhibern...@googlegroups.com. > > > To unsubscribe from this group, send email to > > fluent-nhibernate+unsubscr...@googlegroups.com<fluent-nhibernate%2bunsubscr...@googlegroups.com> > > . > > > For more options, visit this group at > >http://groups.google.com/group/fluent-nhibernate?hl=en. > > > -- > > You received this message because you are subscribed to the Google Groups > > "Fluent NHibernate" group. > > To post to this group, send email to fluent-nhibern...@googlegroups.com. > > To unsubscribe from this group, send email to > > fluent-nhibernate+unsubscr...@googlegroups.com<fluent-nhibernate%2bunsubscr...@googlegroups.com> > > . > > For more options, visit this group at > >http://groups.google.com/group/fluent-nhibernate?hl=en. > > -- > - Hudsonhttp://www.bestguesstheory.comhttp://twitter.com/HudsonAkridge- Hide > quoted text - > > - Show quoted text -
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