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POOracle stored procedures, SYS_REFCURSOR and NHibernate
 

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    <p>I have a legacy Oracle (10.2g) database that I'm connecting to and I'd like to use NHibernate (2.0.1) to give me back objects from a stored procedure. The stored procedure in question uses a SYS_REFCURSOR to return results. According to the <a href="http://www.hibernate.org/hib_docs/nhibernate/1.2/reference/en/html/querysql.html#querysql-limits-storedprocedures" rel="noreferrer">documentation</a> this should be doable but I've found a <a href="http://forum.hibernate.org/viewtopic.php?p=2398761" rel="noreferrer">few</a> <a href="http://groups.google.com/group/nhusers/browse_thread/thread/1e5c71502dd547f0/a7908ea36bed6a5e" rel="noreferrer">posts</a> on the internet that suggest otherwise.</p> <p>Here's my paraphrased code:</p> <p>Mapping file:</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8" ?&gt; &lt;hibernate-mapping xmlns="urn:nhibernate-mapping-2.2" assembly="OracleStoredProcedures" namespace="OracleStoredProcedures"&gt; &lt;class name="Person" mutable="false"&gt; &lt;id name="PersonCode" type="AnsiString" column="PERSONCODE"&gt; &lt;generator class="assigned" /&gt; &lt;/id&gt; &lt;property name="Name" type="String" column="PERSON_NAME" /&gt; &lt;property name="Surname" type="String" column="PERSON_SURNAME" /&gt; &lt;/class&gt; &lt;sql-query name="getpeople"&gt; &lt;return class="Person" /&gt; EXEC RS_DB.GETPERSONTEST &lt;/sql-query&gt; &lt;/hibernate-mapping&gt; </code></pre> <p>Stored procedure:</p> <pre><code>CREATE OR REPLACE PROCEDURE RS_DB.GETPERSONTEST ( io_cursor IN OUT sys_refcursor ) IS BEGIN OPEN io_cursor FOR SELECT PERSONCODE, PERSON_NAME, PERSON_SURNAME FROM PEOPLE END GETPERSONTEST; </code></pre>
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