[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-2308) Adding predicates to the join condition using Criteria Query

[Florian Grote (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-2308?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=35510#action_35510 ] 

Florian Grote commented on HHH-2308:
------------------------------------

DetachedCriteria is still missing the two new methods

public Criteria createAlias(String associationPath, String alias, int joinType, Criterion withClause) throws HibernateException;
public Criteria createCriteria(String associationPath, String alias, int joinType, Criterion withClause) throws HibernateException;



> Adding predicates to the join condition using Criteria Query
> ------------------------------------------------------------
>
>                 Key: HHH-2308
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2308
>             Project: Hibernate Core
>          Issue Type: New Feature
>          Components: query-criteria
>    Affects Versions: 3.2.1
>         Environment: Linux Using MS SQLServer
>            Reporter: Ben Grant
>            Assignee: Steve Ebersole
>             Fix For: 3.5.0-Beta-3
>
>         Attachments: hibernate-3.3.2.GA-createAlias_withClause.patch, hibernate-3.3.2.GA-createAlias_withClause.zip, hibernate-joinOn-sorted.ZIP, hibernate-joinOn.ZIP, hibernate-outer-join-criteria-trunk.diff, hibernate-outer-join-criteria.diff
>
>
> 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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