you're missing a discriminator. Look into that. On 12 mrt, 22:58, Craig van Nieuwkerk <[email protected]> wrote: > I have posted this to the fluent nhibernate group but not got much > response so maybe this (modified) question will be better. > > Basically I have a Person class from which I have two inherited > classes, Author and Borrower (it's a library system). The mapping I > have is below. > > Now if I run the HQL "FROM Author a ORDER BY a.Name" it will return a > list of all Author and Borrower entities where I obviously just want a > list of authors. Please feel free to set me straight on this. > > Thanks, Craig > > <?xml version="1.0" encoding="utf-8"?> > <hibernate-mapping xmlns="urn:nhibernate-mapping-2.2" > default-lazy="true" assembly="LibrarySample.Model" > namespace="LibrarySample.Model"> > <class name="Person" table="person" xmlns="urn:nhibernate-mapping-2.2"> > <id name="Id" column="id" type="Int32"> > <generator class="identity" /> > </id> > <property name="Name" length="100" type="String"> > <column name="name" /> > </property> > <joined-subclass name="LibrarySample.Model.Borrower, > LibrarySample.Model, Version=1.0.0.0, Culture=neutral, > PublicKeyToken=null" table="borrower"> > <key column="id" /> > <property name="UserName" length="100" type="String"> > <column name="user_name" /> > </property> > <bag name="Schedule" cascade="save-update"> > <key column="borrower_id" /> > <one-to-many class="LibrarySample.Model.BookSchedule, > LibrarySample.Model, Version=1.0.0.0, Culture=neutral, > PublicKeyToken=null" /> > </bag> > </joined-subclass> > <joined-subclass name="LibrarySample.Model.Author, > LibrarySample.Model, Version=1.0.0.0, Culture=neutral, > PublicKeyToken=null" table="author"> > <key column="id" /> > <property name="Country" length="100" type="String"> > <column name="country" /> > </property> > <bag name="Books" cascade="all"> > <key column="book_id" /> > <one-to-many class="LibrarySample.Model.Book, > LibrarySample.Model, Version=1.0.0.0, Culture=neutral, > PublicKeyToken=null" /> > </bag> > </joined-subclass> > </class> > </hibernate-mapping>
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