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From "Cam Bazz" <camb...@gmail.com>
Subject Re: IndexReader deleteDocument
Date Mon, 17 Mar 2008 08:33:39 GMT
Nice. Thanks.

will the 2.4 have commit improvements that we previously talked about?

best regards.

-C.B.

On Mon, Mar 17, 2008 at 10:31 AM, Michael McCandless <
lucene@mikemccandless.com> wrote:

>
> The trunk version of Lucene (eventually 2.4) now has deletion by
> query, in IndexWriter.
>
> Mike
>
> Cam Bazz wrote:
>
> > Hello Erick,
> >
> > Has anyone found a way for deleting a document with a query? I
> > understand it
> > can be deleted via terms, but I need to delete a document with two
> > terms,
> > that is the only way I can identify my document is by looking at
> > two terms
> > not one.
> >
> > best.
> >
> > On Fri, Mar 14, 2008 at 4:58 PM, Erick Erickson
> > <erickerickson@gmail.com>
> > wrote:
> >
> >> Doc IDs are assigned at index time and can change over time That is,
> >> deleting
> >> a document and optimizing (and other operations) can and will change
> >> document IDs. So, yes, you have to do a search (either use a hits
> >> object
> >> or one of the HitCollectors) in order to delete by doc ID.
> >>
> >> You can also delete by terms, see the API.
> >>
> >> There are other options, but you haven't explianed what you're
> >> trying to accomplish enough to offer any more suggestions.
> >>
> >> Best
> >> Erick
> >>
> >> On Wed, Mar 12, 2008 at 5:44 PM, varun sood <vsood2@gmail.com> wrote:
> >>
> >>> No. I haven't but I will. even though I would like to make my own
> >>> implementation. So any idea of how to get the "doc num"?
> >>>
> >>> Thanks for replying.
> >>> Varun
> >>>
> >>> On Wed, Mar 12, 2008 at 5:15 PM, Mark Miller <markrmiller@gmail.com>
> >>> wrote:
> >>>
> >>>> Have you seen the work that Mark Harwood has done making a GWT
> >>>> version
> >>>> of Luke? I think its in the latest release.
> >>>>
> >>>> varun sood wrote:
> >>>>> Hi,
> >>>>>   I am trying to delete a document without using the hits object.
> >>>>> What is the unique field in the index that I can use to delete the
> >>>> document?
> >>>>>
> >>>>> I am trying to make a web interface where index can be modified,
> >>> smaller
> >>>>> subset of what Luke does but using JSPs and Servlet.
> >>>>>
> >>>>> to use deleteDocument(int docNum)
> >>>>> I need docNum how can I get this? or does it have to come only vis
> >>> Hits?
> >>>>>
> >>>>> Thanks,
> >>>>> Varun
> >>>>>
> >>>>>
> >>>>
> >>>> -------------------------------------------------------------------
> >>>> --
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> >>>> For additional commands, e-mail: java-user-help@lucene.apache.org
> >>>>
> >>>>
> >>>
> >>
>
>
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