Yes, that should be what happens. But then I'd guess you'd be able to retrieve no dates. I've encountered this myself. On Jun 14, 2013 6:05 PM, "Mingfeng Yang" <mfy...@wisewindow.com> wrote:
> Michael, > > That's what I thought as well. I would assume an optimization of the index > would rewrite all documents in the newer format then? > > Ming- > > > > On Fri, Jun 14, 2013 at 1:25 PM, Michael Della Bitta < > michael.della.bi...@appinions.com> wrote: > > > Shot in the dark: > > > > You're using Lucene to read the index. That's sort of circumventing all > the > > typing stuff that Solr does. Solr can deal with an index where some of > the > > segments are in one format (say 1.4) and others are in another (3.6). > Maybe > > they're being stored in a format in the newer (or older) segments that > > doesn't work with raw retrieval of the values through Lucene in the same > > way. > > > > Maybe it's able to retrieve the "stored" value from the indexed > > representation in one case rather than needing to store it. > > > > I'd query your index using EmbeddedSolrServer instead and see if that > > changes what you see. > > > > > > Michael Della Bitta > > > > Applications Developer > > > > o: +1 646 532 3062 | c: +1 917 477 7906 > > > > appinions inc. > > > > “The Science of Influence Marketing” > > > > 18 East 41st Street > > > > New York, NY 10017 > > > > t: @appinions <https://twitter.com/Appinions> | g+: > > plus.google.com/appinions > > w: appinions.com <http://www.appinions.com/> > > > > > > On Fri, Jun 14, 2013 at 4:15 PM, Mingfeng Yang <mfy...@wisewindow.com > > >wrote: > > > > > I have an index first built with solr1.4 and later upgraded to solr3.6, > > > which has 150million documents, and all docs have a datefield which are > > not > > > blank. (verified by solr query). > > > > > > I am using the following code snippet to retrieve > > > > > > import org.apache.lucene.index.IndexReader; > > > import org.apache.lucene.store.*; > > > import org.apache.lucene.document.*; > > > > > > IndexReader input = IndexReader.open(indexDir); > > > Document d = input.document(i); > > > int maxDoc = input.maxDoc(); > > > for (int i = 0; i < maxDoc; i++) { > > > System.out.println(d.get('date'); > > > } > > > > > > However, about 100 million docs give null for d.get('date') and about > > other > > > 50 million docs give the right values. > > > > > > What could be wrong? > > > > > > Ming- > > > > > >
