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From "Shai Erera (JIRA)" <>
Subject [jira] [Created] (LUCENE-4772) Move Facet associations to new FacetsAggregator API
Date Tue, 12 Feb 2013 09:05:21 GMT
Shai Erera created LUCENE-4772:

             Summary: Move Facet associations to new FacetsAggregator API
                 Key: LUCENE-4772
             Project: Lucene - Core
          Issue Type: Improvement
          Components: modules/facet
            Reporter: Shai Erera
            Assignee: Shai Erera

Move facets associations to the new bulk FacetsAggregator API. Also, today when you index
categories with associations, the categories are written to two fields redundantly - the associations
field and the counting list field. However, when you aggregate them, you only need to read
the associations field. The counting list field is redundant here.

If an app requires indexing the categories into two lists, it can do so by adding the categories
w/ associations using AssociationFacetFields and the plain categories (w/ their hierarchy
etc.) using FacetFields.

I will post a patch shortly.

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