[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-2548) when "order by" a composit object, which may be null, the result list returns only when the composit objcts not null

[Gail Badner (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-2548?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_28229 ] 

Gail Badner commented on HHH-2548:
----------------------------------

Please attach a runnable test case (Java plus mapping).

> when "order by" a composit object, which may be null, the result list returns only when the composit objcts not null
> --------------------------------------------------------------------------------------------------------------------
>
>                 Key: HHH-2548
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2548
>             Project: Hibernate3
>          Issue Type: Bug
>    Affects Versions: 3.2.3
>         Environment: tomcat 5.5, eclipse3.2, jre1.5, postgreSQL8.1, hibernate3 and hibernate3.2
>            Reporter: Yu Deng
>            Priority: Critical
>   Original Estimate: 30 minutes
>  Remaining Estimate: 30 minutes
>
> <hibernate-mapping package="com.grapevinecs.ams.domain.perbranch.inv">
>     <class name="InvItem"> 
> 	      <id name="id" column="id">
>                   <generator class="hilo"/>
>               </id>
> 	...
>        <many-to-one name="transferredDetails"/> <!-- FK: Points to corresponding entry for transferred inventory items -->        
>         ....
> </class>
> (another mapping file)
> </hibernate-mapping>>
>     <hibernate-mapping package="com.grapevinecs.ams.domain.perbranch.inv">
>     <class name="InvTransferDetails" >
> 	    <id name="id" column="id">
>                 <generator class="hilo"/>
>             </id>
> 	    <property name="returnedToICBC" type="com.grapevinecs.ams.dao.BooleanInteger" not-null="true"/>
>             ...
>     </class>
> </hibernate-mapping>
> Probelm:
> 1)  The result returns 3000 records ----    select count(*)  from InvItem c  where upper(c.invType) LIKE '%D%' and c.invSeries.closed = '0' and c.branch =60551  order by c.transferredDetails.returnedToICBC asc,  c.stamp asc,c.invNmbr asc
> 2)  result List return size 0 by this query ---  from InvItem c  where upper(c.invType) LIKE '%D%' and c.invSeries.closed = '0' and c.branch =60551  order by c.transferredDetails.returnedToICBC asc,  c.stamp asc,c.invNmbr asc
> 1) is correct but 2) is not correct. only when transferredDetails in InvItem not null be returned. in case 2), I have no transferredDetails not null.
> after I excuted the query 2), even I remove "c.transferredDetails.returnedToICBC asc", the result is still return nothing.

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