I know, it's a commonly requested feature, but unfortunately it's very complex to implement. See e.g. the discussions on https://issues.apache.org/jira/browse/LUCENE-4258
Mike McCandless http://blog.mikemccandless.com On Mon, May 19, 2014 at 5:15 AM, Jamie <ja...@mailarchiva.com> wrote: > Michael > > Thanks for the clarification. > > This is a hefty limitation of the Lucene. > > One would expect, that you would be able to update a specific field in the > index without having to reindex the entire document. > > Regards > > Jamie > > > On 2014/05/16, 11:34 PM, Michael McCandless wrote: >> >> You can retrieve the raw content for each field (assuming you stored it). >> >> But then you must re-generate a Document from the raw content >> yourself, as you did originally. >> >> Ie you cannot rely on Lucene to remember schema-like things like >> boost, the FieldType (how the postings were indexed, whether term >> vectors were indexed, etc.). >> >> Mike McCandless >> >> http://blog.mikemccandless.com >> >> >> On Thu, May 15, 2014 at 12:02 PM, Jamie <ja...@mailarchiva.com> wrote: >>> >>> Michael >>> >>> How do you update a document that resides in the index without having the >>> original document? >>> >>> >>> Jamie >>> >>> On 2014/05/13, 3:30 PM, Michael McCandless wrote: >>>> >>>> How did you produce the document that you are sending to >>>> updateDocument? Are you loading it from IndexReader.document() or >>>> IndexSearcher.doc(), changing it, then passing that to >>>> IW.updateDocument? If so, that's probably your bug: a loaded document >>>> is not identical to the original Document you indexed. In 5.0 we've >>>> fixed this to be strongly typed ... >>>> >>>> Mike McCandless >>>> >>>> http://blog.mikemccandless.com >>>> >>>> >>>> On Tue, May 13, 2014 at 9:24 AM, Jamie <ja...@mailarchiva.com> wrote: >>>>> >>>>> Greetings >>>>> >>>>> I am using Lucene NRT search. After calling writer.updateDocument(term, >>>>> doc) >>>>> and then search(), the document is no longer visible in the search >>>>> results. >>>>> The program must be restarted to see it again. In addition, the update >>>>> is >>>>> not being applied. The original document (before the update) is visible >>>>> in >>>>> the search results. If updateDocument(term,doc) is called, passing the >>>>> original doc (without any changes), the doc is still removed from the >>>>> index >>>>> (i.e. the change is not the cause). On each search I am calling >>>>> indexReader >>>>> = DirectoryReader.open(writer, true); We have tried to call commit() >>>>> and/or >>>>> close() immediately after the update, but it makes no difference. >>>>> >>>>> This occurs both in Lucene 4.7.2 and 4.8. As far as we know, our code >>>>> used >>>>> to work with prior versions of Lucene. Has anyone encountered this? >>>>> >>>>> Regards >>>>> >>>>> Jamie >>>>> >>>>> >>>>> >>> >>> --------------------------------------------------------------------- >>> 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 >> > > > --------------------------------------------------------------------- > 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
