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seemarich
 Post subject: Getting the matching identifiers in Lucene
PostPosted: Mon Apr 06, 2009 4:12 am 
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Joined: Tue Feb 03, 2009 12:29 pm
Posts: 49
This is regarding a statement in Hibernate search in Action book -
Quote:
Always remember that you can go back to plain HQL or work in a three-step process: Apply part of the query (the discriminant part) in Lucene, collect the matching identifiers, and run an HQL query that restricts by these identifiers and some other criteria.

How do we get the matching identifiers in Lucene using the Hibernate search API? I could not find any method for doing that.

Thanks,
Seema
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hardy.ferentschik
 Post subject:
PostPosted: Mon Apr 06, 2009 6:40 am 
Hibernate Team
Hibernate Team

Joined: Thu Apr 05, 2007 5:52 am
Posts: 1689
Location: Sweden
Hi,

You could use projections projecting on FullTextQuery.ID. With the returned ids you can then build the criteria query.

--Hardy
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seemarich
 Post subject:
PostPosted: Mon Apr 06, 2009 8:01 am 
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Joined: Tue Feb 03, 2009 12:29 pm
Posts: 49
Thanks, I'm using JPA with Hibernate as the provider and not plain Hibernate. Hope this works with JPA as well. I will try this.

-Seema
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hardy.ferentschik
 Post subject:
PostPosted: Mon Apr 06, 2009 8:47 am 
Hibernate Team
Hibernate Team

Joined: Thu Apr 05, 2007 5:52 am
Posts: 1689
Location: Sweden
Sure it will work. I am not talking Hibernate projection, but Hibernate Search projection ;-) The the Hibernate Search online manual - http://www.hibernate.org/hib_docs/searc ... ml_single/

--Hardy
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