[LUCENE-5326] Add enum facet method to Lucene facet module

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Fix Version/s: 4.9, 6.0
• Component/s: modules/facet
• Lucene Fields: New
• Assignee: Michael McCandless
• Reporter: Michael McCandless
• Created: 03/Nov/13 23:52
• Updated: 09/May/16 18:29

Description

I've been testing Solr facet performance, and the enum method works
very well for low cardinality (not many unique values) fields. So I
think we should fold a similar option into Lucene's facet module.