Hello! This is because how the Lucene inverted index works and the amount of changes that would have to be done. However there is a work in progress issue - https://issues.apache.org/jira/browse/LUCENE-3837 There is some technical information there, so you may want to check it.
-- Regards, Rafał Kuć Sematext :: http://sematext.com/ :: Solr - Lucene - Nutch > I can understand that (i.e. why in place wont work), but the Q would be, > why one can't read in a document, add() or removeField() that document > and then updateDocument() that document. > On 10/22/2012 03:43 PM, Apostolis Xekoukoulotakis wrote: >> I am not that familiar with Lucene, so my answer may be a bit off. >> >> Search on the internet about log structured storage. There you will find >> why rewriting an entry is better than updating an existing entry. >> >> Leveldb/cassandra/bigTable use it. maybe search these terms as well. >> >> 2012/10/22 Shaya Potter <spot...@gmail.com> >> >>> so there are lots of Qs that are asked about wanting to modify a lucene >>> document (i.e. remove fields, add fields....) but are told that one needs >>> to reindex. >>> >>> No one ever answers the technical Q of why this is, and I'm interested in >>> that. presumambly because documents aren't stored as documents or even in >>> any form that could be reassembled into a document, but I'm interested in >>> what the actual answer is. >>> >>> thanks. >>> >>> ------------------------------**------------------------------**--------- >>> To unsubscribe, e-mail: >>> java-user-unsubscribe@lucene.**apache.org<java-user-unsubscr...@lucene.apache.org> >>> For additional commands, e-mail: >>> java-user-help@lucene.apache.**org<java-user-h...@lucene.apache.org> >>> >>> >> >> > --------------------------------------------------------------------- > To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > For additional commands, e-mail: java-user-h...@lucene.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org
