[hibernate-issues] [Hibernate-JIRA] Created: (HHH-2135) Hibernate Deserialization: In org.hibernate.type.SerializableType the code makes a test for the return of a null object by simply testing the object as to whether or not it is null.
Hibernate Deserialization: In org.hibernate.type.SerializableType the code makes a test
for the return of a null object by simply testing the object as to whether or not it is
null.
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Key: HHH-2135
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2135
Project: Hibernate3
Type: Improvement
Versions: 3.2.0.cr5
Environment: HIbernate 3.2.1 & NCR TeradataJBOss 4.0.x & JBoss Cache 1.2.4
Reporter: Lamon Gray
In org.hibernate.type.SerializableType the code makes a test for the return of a null
object by simply testing the object as to whether or not it is null.
public Object get(ResultSet rs, String name) throws HibernateException, SQLException {
byte[] bytes = (byte[]) Hibernate.BINARY.get(rs, name);
if ( bytes==null) {
return null;
}
else {
return fromBytes(bytes);
}
}
Fairly reasonable, however in my testing of the Teradata dialect i am finding that often
the value in the column is null but that the return is coming back as an empty array. The
following code would seem to be a bit more robust in my opinion:
public Object get(ResultSet rs, String name) throws HibernateException, SQLException {
byte[] bytes = (byte[]) Hibernate.BINARY.get(rs, name);
if ( bytes==null || Array.getLength(bytes)==0) {
return null;
}
else {
return fromBytes(bytes);
}
}
Can someone tell me if this is done this way for a reason? Or maybe the JDBC driver is
returning the incorrect value (IE. it should be returning a null value as opposed to an
empty array)?
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