<style>
/* Changing the layout to use less space for mobiles */
@media screen and (max-device-width: 480px), screen and (-webkit-min-device-pixel-ratio: 2) {
#email-body { min-width: 30em !important; }
#email-page { padding: 8px !important; }
#email-banner { padding: 8px 8px 0 8px !important; }
#email-avatar { margin: 1px 8px 8px 0 !important; padding: 0 !important; }
#email-fields { padding: 0 8px 8px 8px !important; }
#email-gutter { width: 0 !important; }
}
</style>
<div id="email-body">
<table id="email-wrap" align="center" border="0" cellpadding="0" cellspacing="0" style="background-color:#f0f0f0;color:#000000;width:100%;">
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<table align="center" border="0" cellpadding="0" cellspacing="0" style="background-color:#ffffff;border:1px solid #bbbbbb;color:#000000;width:100%;">
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<td bgcolor="#3e4c4e" style="background-color:#3e4c4e;color:#ffffff;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;line-height:1;"><img src="https://www.jboss.org/dms/hibernate/images/jira/jiraheader_hibernate.png" alt="" style="vertical-align:top;" /></td>
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<td id="email-banner" style="padding:32px 32px 0 32px;">
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<td style="color:#505050;font-family:Arial,FreeSans,Helvetica,sans-serif;padding:0;">
<img id="email-avatar" src="https://hibernate.onjira.com/secure/useravatar?avatarId=10162" alt="" height="48" width="48" border="0" align="left" style="padding:0;margin: 0 16px 16px 0;" />
<div id="email-action" style="padding: 0 0 8px 0;font-size:12px;line-height:18px;">
<a class="user-hover" rel="albiston1" id="email_albiston1" href="https://hibernate.onjira.com/secure/ViewProfile.jspa?name=albiston1" style="color:#6c797f;">Carolyn Albiston</a>
created <img src="https://hibernate.onjira.com/images/icons/bug.gif" height="16" width="16" border="0" align="absmiddle" alt="Bug"> <a style='color:#6c797f;text-decoration:none;' href='https://hibernate.onjira.com/browse/HHH-7559'>HHH-7559</a>
</div>
<div id="email-summary" style="font-size:16px;line-height:20px;padding:2px 0 16px 0;">
<a style='color:#6c797f;text-decoration:none;' href='https://hibernate.onjira.com/browse/HHH-7559'><strong>Cannot upgrade to Hibernate 4 because of missing StructType</strong></a>
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<td id="email-fields" style="padding:0 32px 32px 32px;">
<table border="0" cellpadding="0" cellspacing="0" style="padding:0;text-align:left;width:100%;" width="100%">
<tr valign="top">
<td id="email-gutter" style="width:64px;white-space:nowrap;"></td>
<td>
<table border="0" cellpadding="0" cellspacing="0" width="100%">
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<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Issue Type:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
<img src="https://hibernate.onjira.com/images/icons/bug.gif" height="16" width="16" border="0" align="absmiddle" alt="Bug"> Bug
</td>
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<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Affects Versions:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
4.1.5.SP1, 4.1.6 </td>
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<strong style="font-weight:normal;color:#505050;">Assignee:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
Unassigned </td>
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<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Components:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
core </td>
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<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Created:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
29/Aug/12 4:35 PM
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<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Description:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
<p style='margin-top:0;margin-bottom:10px;'>To upgrade to Hibernate 4, I need a single-column basic StructType. In Hibernate 4, org.hibernate.type.BasicTypeRegistry contains single-column types such as arrays, blobs and clobs, but no type for java.sql.Types.STRUCT (id = 2002).</p>
<p style='margin-top:0;margin-bottom:10px;'>I have a pre-existing database field/column defined as an oracle.sql.STRUCT named DB_OBJECT_TYPE. In Hibernate 3, I was able to implement this as a custom UserType with the code at the bottom of this post.</p>
<p style='margin-top:0;margin-bottom:10px;'>With Hibernate 4, this code results in a class cast exception because the connection is proxied, even if</p>
<ul>
<li>I use "session.connection()" instead of "statement.getConnection()" or</li>
<li>I use the session factory to get the session and use the connection inside "session.doWork( ... )"</li>
</ul>
<p style='margin-top:0;margin-bottom:10px;'>So I tried to use the Hibernate 4 way, "StructType.INSTANCE.set( statement, values, index, session );" but</p>
<ul>
<li>There is no such thing as a StructType</li>
<li>SerializableType maps to VARBINARY in Oracle</li>
<li>Breaking up the java.sql.Types.STRUCT into its basic types will make it cover more than one field/column</li>
</ul>
<p style='margin-top:0;margin-bottom:10px;'>Hibernate 3 code:</p>
<p style='margin-top:0;margin-bottom:10px;'>Code:<br/>
public int[] sqlTypes() {<br/>
return new int[] {java.sql.Types.STRUCT};<br/>
}</p>
<p style='margin-top:0;margin-bottom:10px;'>public void nullSafeSet(PreparedStatement statement, Object value, int index, SessionImplementor session)<br/>
throws HibernateException, SQLException {<br/>
if (value == null) {
statement.setNull(index, java.sql.Types.STRUCT, DB_OBJECT_TYPE);
} else {<br/>
final MyDBObjectClass myDBObject = (MyDBObjectClass) value;<br/>
final Object[] values = new Object[] { myDBObject.x, myDBObject.y, ... };<br/>
final Connection connection = statement.getConnection();<br/>
final oracle.sql.STRUCT myStruct = new oracle.sql.STRUCT(<br/>
oracle.sql.StructDescriptor.createDescriptor(DB_OBJECT_TYPE, connection),<br/>
connection, values);<br/>
statement.setObject(index, myStruct, java.sql.Types.STRUCT);<br/>
}<br/>
}</p>
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<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Environment:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
Hibernate 4.1.5.SP1, Oracle 11g
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<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Project:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
<a style="color:#6c797f;" href="https://hibernate.onjira.com/browse/HHH">Hibernate ORM</a>
</td>
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<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Priority:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
<img src="https://hibernate.onjira.com/images/icons/priority_major.gif" height="16" width="16" border="0" align="absmiddle" alt="Major"> Major
</td>
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<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Reporter:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
<a class="user-hover" rel="albiston1" id="email_albiston1" href="https://hibernate.onjira.com/secure/ViewProfile.jspa?name=albiston1" style="color:#6c797f;">Carolyn Albiston</a>
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