Odd. Join table with its own (non-propagated) PK should work the same as any other table. Which vesrion of Cayenne is this and are you using flattened relationships across the join table?

Andrus

On Mar 28, 2010, at 9:43 AM, John Armstrong wrote:

Hi all,
 I am using mysql with all database generated pks and auto_increment.

This works fine for all tables except join tables. When accessing a join table cayenne tries to access the AUTO_PK_TABLE rather then relying on the
auto_increment.

My join tables are configured identically :

<db-entity name="USERPROJECTS" catalog="pgi">
<db-attribute name="CREATIONDATE" type="TIMESTAMP" length="19"/>
<db-attribute name="ID" type="INTEGER" isPrimaryKey="true"
isGenerated="true" isMandatory="true" length="10"/>
<db-attribute name="PGUSER" type="INTEGER" length="10"/>
<db-attribute name="PROJECT" type="INTEGER" length="10"/>
</db-entity>
<obj-entity name="Userprojects" className="com.pgi.common.Userprojects"
dbEntityName="USERPROJECTS">
<obj-attribute name="creationdate" type="java.util.Date"
db-attribute-path="CREATIONDATE"/>
<obj-attribute name="id" type="java.lang.Integer" db-attribute- path="ID"/>
</obj-entity>

Any ideas?

John-

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