[ http://opensource.atlassian.com/projects/hibernate/browse/HHH-989?page=comments#action_23324 ]
Bill Schneider commented on HHH-989:
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It may also be helpful to add a note that implicit joins always appear to be inner joins. in particular consider:
"cat.mate.name= ? OR cat.name=?"
if cat.mate is null, this will not return any results, EVEN IF the right hand cat.name=? expression matches.
this is a little counter-intuitive looking at this from a Java beans/introspection perspective, because a similar condition in JSTL (<c:if test="${cat.mate.name = ... || cat.name = ...}">) would behave differently.
> add discussion of implicit and explcit joins
> --------------------------------------------
>
> Key: HHH-989
> URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-989
> Project: Hibernate3
> Type: Improvement
> Components: documentation
> Reporter: Steve Ebersole
> Assignee: Steve Ebersole
> Priority: Minor
> Fix For: 3.1 rc 1
>
>
> Since we use the terms "implicit join" and "explicit join", we should at least have a discussion of the meaning of these in the hql reference doc.
> I was unable to find any mention of either...
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