[ http://opensource.atlassian.com/projects/hibernate/browse/HHH-817?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_30833 ]
jazir malik commented on HHH-817:
---------------------------------
I agree, I can't see how this issue can be minor and still untouched after such a long time.
> Aggregate projection aliases should not be applied to where-clause
> ------------------------------------------------------------------
>
> Key: HHH-817
> URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-817
> Project: Hibernate3
> Issue Type: Bug
> Components: core
> Affects Versions: 3.0.5
> Environment: Oracle 9.2.0.6, Hibernate 3.0.5, Spring Framework 1.2.2 based application working on Jakarta Tomcat 5.0.28
> Reporter: Michal Jastak
> Priority: Minor
> Attachments: HHH-817.patch
>
>
> following java code:
> protected Entity loadEntityLightweight(Serializable entityId) throws DataAccessException {
> Criteria criteria = getSession().createCriteria(Entity.class);
> ProjectionList projectionList = Projections.projectionList();
> projectionList.add(Property.forName(BaseEntity.PROP_ID), BaseEntity.PROP_ID);
> projectionList.add(Property.forName(BaseEntity.PROP_TYPE), BaseEntity.PROP_TYPE);
> criteria.setProjection(projectionList);
> criteria.add(Restrictions.eq(BaseEntity.PROP_ID, entityId));
> criteria.setResultTransformer(new AliasToBeanResultTransformer(Entity.class));
> return (Entity) criteria.uniqueResult();
> }
> generates following SQL query:
> select this_.id as y0_, this_.type as y1_ from entities this_ left outer join facilities this_1_ on this_.id=this_1_.id left outer join users this_2_ on this_.id=this_2_.id left outer join addresses address2_ on this_.address_id=address2_.id left outer join entities entity3_ on this_2_.employer_id=entity3_.id left outer join facilities entity3_1_ on entity3_.id=entity3_1_.id left outer join users entity3_2_ on entity3_.id=entity3_2_.id where y0_=?
> y0_ = ? expression in where clause is causing a 904 error on Oracle 9:
>
ORA-00904: "Y0_": invalid identifier
> hibernate dialect:
org.hibernate.dialect.Oracle9Dialect> mapping for Entity class:
> <?xml version="1.0"?>
> <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
> "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
> <hibernate-mapping default-lazy="false" default-cascade="save-update">
>
> <class name="Entity" table="entities" mutable="true">
> <id name="id" type="
java.lang.Long" unsaved-value="null">
> <generator class="sequence">
> <param name="sequence">entities_id_seq</param>
> </generator>
> </id>
> <many-to-one name="address" class="Address" column="address_id" />
> ...
> <!--
> - Facilities
> -->
> <joined-subclass name="Facility" table="facilities">
> <key column="id" />
> ...
> <set name="users" inverse="true" lazy="true">
> <key column="facility_id" />
> <one-to-many class="User" />
> </set>
> </joined-subclass>
> <!--
> - Users
> -->
> <joined-subclass name="User" table="users" dynamic-insert="true" dynamic-update="true">
> <key column="id" />
> <many-to-one name="employer" class="Entity" column="employer_id" cascade="none" />
> ...
> <set name="userAuthorities" inverse="true" cascade="all-delete-orphan">
> <key column="user_id" />
> <one-to-many class="Authority" />
> </set>
> </joined-subclass>
> </class>
> </hibernate-mapping>
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