[hibernate-issues] [Hibernate-JIRA] Created: (HHH-2308) Adjusting the Outer Join Predicate using Criteria Query

Ben Grant (JIRA) noreply at atlassian.com
Wed Dec 13 12:23:05 EST 2006


Adjusting the Outer Join Predicate using Criteria Query
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         Key: HHH-2308
         URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2308
     Project: Hibernate3
        Type: New Feature

  Components: query-criteria  
    Versions: 3.2.1    
 Environment: Linux Using MS SQLServer
    Reporter: Ben Grant


I have two tables 

Table A 
||Col_1||Col_2|| 
|London| UK | 
|Liverpool| UK | 
| New York | USA | 

Table B 
||Col_1||Col_2|| Col_3|| 
| UK | Europe | 0 
| USA | Americas | 1 

Using the Criteria class, Restriction Class and FetchMode, Hibernate manages to create a query that looks like this 

select distinct top 2000 
this_.Col_1 as y0_, TableB3_.Col2 as y1_ 
from TableA this_ 
left outer join TableB TableB3_ on this_.Col_2= TableB3_.Col_1 
where TableB3_.Col_3=1 

When really i need the query to be like this 

select distinct top 2000 
this_.Col_1 as y0_, TableB3_.Col2 as y1_ 
from TableA this_ 
left outer join TableB TableB3_ on this_.Col_2= TableB3_.Col_1 AND TableB3_.Col_3=1 

currently their isn't any know way for hibernate to adjust or apply filters within the join clause.

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