You have to configure this in the jbosscmp-jdbc.xml file. In my file, I have the
following code in the defaults section:
<unknown-pk>
| <unknown-pk-class>java.lang.Long</unknown-pk-class>
| <field-name>id</field-name>
| <column-name>ID</column-name>
| <jdbc-type>BIGINT</jdbc-type>
| <sql-type>BIGINT</sql-type>
| <auto-increment/>
| </unknown-pk>
| <entity-command name="mysql-get-generated-keys"/>
The unknown-pk section sets up the default values that JBoss will use when it
encounters an unknown primary key. The entity-command section tells JBoss how to get
the information on the key generated by the database.
Of course, for most entities sticking to a column named 'ID' isn't very cool, so in
each entity where I use an unknown primary key, I can add an entity-specific
unknown-pk element to configure the column name for that entity:
<unknown-pk>
| <unknown-pk-class>java.lang.Long</unknown-pk-class>
| <field-name>userId</field-name>
| <column-name>USER_ID</column-name>
| </unknown-pk>
|
Jeff Beal
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