| Grouping Module Change Log |
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| For more information on past and future Lucene versions, please see: |
| http://s.apache.org/luceneversions |
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| ======================= Trunk (not yet released) ======================= |
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| Optimizations |
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| LUCENE-3468: Replaced last() and remove() with pollLast() in |
| FirstPassGroupingCollector (Martijn van Groningen) |
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| API Changes |
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| LUCENE-3483: Move Function grouping collectors from Solr to |
| grouping module. (Martijn van Groningen) |
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| New features |
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| LUCENE-3496: Support grouping by DocValues. (Martijn van Groningen) |
