As of 3.2 the necessary changes were put in to safely support indexing nested docs. See http://lucene.apache.org/java/3_2_0/changes/Changes.html#3.2.0.new_features
On 6 Jun 2011, at 17:18, 周诚 wrote: > I just saw this: > https://issues.apache.org/jira/secure/attachment/12480123/LUCENE-2454.patch > > > > One comment: should Lucene provide nested doc indexing as well? > > > > Would love to see it’s available. >