apache/lucene-solr — pull request #24 by PaulElschot (2014-01-27 23:24:46+00:00)
Title: Lucene 5092 pull 1

DocBlocksIterator extends DocIdSetIterator.
FixedBitSetDBI and EliasFanoDocIdSet implement DocBlocksIterator.
The join module ToParent/ToChild queries use DocBlocksIterator instead of FixedBitSet.