[SQL] mybatis 3 RETURNING id problem with insert.

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Hello.

 Iam trying to do an insert for return generated id INSERT RETURNING
id. In postgres editor it work without problems, but in code execution
- java 1.6 with iBatis 3 (mybatis-3.0.3.jar) (8.4.5 postgres, driver
version 8.4-702) return always - 1

Code iBatis xml

With this code, always returns 1 instead of new generated ID

 <insert id="insertNewItem" parameterType="itemAlias"
useGeneratedKeys="true" keyProperty="item_id">
INSERT INTO items (
                       category_id,
                       description,
                       ...)
               VALUES(
                       #{category_id},
                       #{description},
                       ...)
 </insert>

and if I put RETURNING item_id at the end of insert,
......
VALUES(
                       #{category_id},
                       #{description},
                       ...) RETURNING item_id

 </insert>


 fails with error in the postgres log - syntax error at or near
"RETURNING"

                       ........$12,
                               $13,
                               $14)
                       RETURNING item_id RETURNING *

I need something to put in the code ?
Thank you very much for responding.