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POHow does fetch work
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  1. POHow does fetch work
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    copied!<blockquote> <p><strong>Possible Duplicate:</strong><br> <a href="https://stackoverflow.com/questions/8232420/nhibernate-join-fetchkind">NHibernate Join Fetch(Kind)</a> </p> </blockquote> <p>I have read article. <a href="http://fabiomaulo.blogspot.com/2010/03/conform-mapping-components.html" rel="nofollow noreferrer">http://fabiomaulo.blogspot.com/2010/03/conform-mapping-components.html</a></p> <p>Tried to reproduce it on my project and got strange behavioral.</p> <p>I have two entites: </p> <pre><code>Plan { public virtual int Id { get; set; } public virtual Payer Payer { get; set; } } Payer { public virtual int Id { get; set; } public virtual string Name { get; set; } } </code></pre> <p>Mapping for it: </p> <pre><code> orm.Cascade&lt;Payer, Plan &gt;(CascadeOn.Persist | CascadeOn.Merge); orm.Cascade&lt;Plan, Payer&gt;(CascadeOn.None); </code></pre> <p>Fetch: </p> <pre><code>mapper.Customize&lt;CarePlan&gt;(cm =&gt; cm.ManyToOne(o =&gt; o.Payer, x =&gt; x.Fetch(FetchKind.Join))); </code></pre> <p>Simple get: </p> <pre><code> var plan = session.Query&lt;Plan&gt;().Where(c=&gt;c.Id == 1).SingleOrDefault(); Console.WriteLine(plan.Payer.Name); </code></pre> <p>And I got this queries: </p> <pre><code>select careplan0_.Id careplan0_.PayerId from CarePlans careplan0_ where careplan0_.Id = 1 /* @p0 */ and other query SELECT payer0_.Id , payer0_.Name as Name FROM Payers payer0_ WHERE payer0_.Id = 2 </code></pre> <p>Why I got 2 queries? How can I get one query with join?</p>
 

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