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From "Fay Wang (JIRA)" <j...@apache.org>
Subject [jira] Commented: (OPENJPA-626) @JoinColumn with name attribute causes exception on 1.2.0.
Date Thu, 12 Jun 2008 16:14:45 GMT

    [ https://issues.apache.org/jira/browse/OPENJPA-626?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12604560#action_12604560
] 

Fay Wang commented on OPENJPA-626:
----------------------------------

Hi Tim, the sql you presented in your last comment is different from the the one that you
reported  for this JIRA. It appears that the synthesized join column name is no longer there.
 Comparing the  two sqls you reported, schedule_stop_id is a valid column in public.schedule_stops
table. I think the last sql you reported should be executed correctly. As to whether you should
see bus_stop_id or schedule_stop_id in the sql select fields, I think openjpa will not select
the value of the join column (in this case, bus_stop_id) as this column is automatically created
by openjpa and internally used for the join purpose only, i.e, there is no correpsonding field
in the entity to save this value to.  

> @JoinColumn with name attribute causes exception on 1.2.0. 
> -----------------------------------------------------------
>
>                 Key: OPENJPA-626
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-626
>             Project: OpenJPA
>          Issue Type: Bug
>    Affects Versions: 1.2.0
>            Reporter: Michael Dick
>         Attachments: OPENJPA-626-vars-1.txt
>
>
> Creating Issue on behalf of Tim Holloway. Here's his email to the dev mailing list :

> @ManyToOne(fetch=FetchType.EAGER, cascade=CascadeType.MERGE)
>        @JoinColumn(name="bus_stop_id")
>        private BusStops busStop;
> Works in release 1.0.2:
> SELECT t0.schedule_stop_id, t1.stop_id, t1.description, t1.elevation,
> t1.in_
> service_date, t1.inbound, t1.latitude, t1.longitude,
> t1.out_service_date, t1.sheltered, t1.street1_block,
> t2.street_direction_id, t2.description, t1.street1_name, t1.street1
> _qualifier, t3.street_type_id, t3.description, t1.street2_block,
> t4.street_direction_id, t4.description, t1.street2_name,
> t1.street2_qualifier, t5.street_type_id, t5.descrip
> tion, t1.waypoint, t0.clock_point, t0.comments, t0.in_service,
> t0.in_service_date, t0.inbound, t0.out_service_date, t0.outbound,
> t0.schedule_id, t0.stop_sequence, t0.terminu
> s, t0.transfer_point FROM public.schedule_stops t0 LEFT OUTER JOIN
> public.bus_stops t1 ON t0.bus_stop_id = t1.stop_id LEFT OUTER JOIN
> public.lk_street_directions t2 ON t1.st
> reet1_direction = t2.street_direction_id LEFT OUTER JOIN
> public.lk_street_types t3 ON t1.street1_type = t3.street_type_id LEFT
> OUTER JOIN public.lk_street_directions t4 ON t
> 1.street2_direction = t4.street_direction_id LEFT OUTER JOIN
> public.lk_street_types t5 ON t1.street2_type = t5.street_type_id WHERE
> t0.schedule_id = ? ORDER BY t0.stop_seque
> nce ASC [params=(int) 50]
> Uses synthesized column name instead of declared name in today's CVS
> snapshot:
> ERROR: column t0.busstop_stop_id does not exist {prepstmnt 17939164
> SELECT t0.schedule_stop_id, t1.stop_id, t1.description, t1.elevation,
> t1.in_service_date, t1.inbound, t1.latitude, t1.longitude,
> t1.out_service_date, t1.sheltered, t1.street1_block,
> t2.street_direction_id, t2.description, t1.street1_name,
> t1.street1_qualifier, t3.street_type_id, t3.description,
> t1.street2_block, t4.street_direction_id, t4.description,
> t1.street2_name, t1.street2_qualifier, t5.street_type_id,
> t5.description, t1.waypoint, t0.clock_point, t0.comments, t0.in_service,
> t0.in_service_date, t0.inbound, t0.out_service_date, t0.outbound,
> t0.SCHEDULE_SCHEDULE_ID, t0.stop_sequence, t0.terminus,
> t0.transfer_point
> FROM public.schedule_stops t0
>  LEFT OUTER JOIN public.bus_stops t1
>  ON t0.BUSSTOP_STOP_ID = t1.stop_id
>  LEFT OUTER JOIN public.lk_street_directions t2
>  ON t1.street1_direction = t2.street_direction_id
>  LEFT OUTER JOIN public.lk_street_types t3 ON t1.street1_type =
> t3.street_type_id LEFT OUTER JOIN public.lk_street_directions t4 ON
> t1.street2_direction = t4.street_direction_id LEFT OUTER JOIN
> public.lk_street_types t5 ON t1.street2_type = t5.street_type_id WHERE
> t0.SCHEDULE_SCHEDULE_ID = ? ORDER BY t0.stop_sequence ASC [params=(int)
> 50]} [code=0, state=42703]

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