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From Michael McCandless <luc...@mikemccandless.com>
Subject Re: get enumeration of all terms starting at a given term after lucene 4
Date Fri, 29 Jul 2016 23:00:57 GMT
Use seekCeil instead of seekExact.

Mike McCandless

http://blog.mikemccandless.com

On Fri, Jul 29, 2016 at 9:44 AM, Mukul Ranjan <mranjan@egain.com> wrote:

> Thanks Parit!!!  I will try the below solution.
>
> Thanks,
> Mukul Ranjan
>
> -----Original Message-----
> From: Parit Bansal [mailto:Parit.Bansal@sib.swiss]
> Sent: Friday, July 29, 2016 7:11 PM
> To: java-user@lucene.apache.org
> Subject: Re: get enumeration of all terms starting at a given term after
> lucene 4
>
> Hi Mukul,
>
> Provided terms are sorted how about doing
>
> if (termsEnum.seekExact(text)) {
>      BytesRef text;
>      while ((text = con.foreignTermsEnum.next()) != null) {
>          // keep looping till your value is a prefix
>      }
> }
>
> - Parit
>
> On 07/29/2016 03:30 PM, Mukul Ranjan wrote:
> > Hi Parit,
> >
> > PrefixTermsEnum is removed in lucene 5.1 so we can not use this now.
> >
> > Thanks,
> > Mukul
> >
> > -----Original Message-----
> > From: Parit Bansal [mailto:Parit.Bansal@sib.swiss]
> > Sent: Friday, July 29, 2016 3:20 PM
> > To: java-user@lucene.apache.org
> > Subject: Re: get enumeration of all terms starting at a given term
> > after lucene 4
> >
> > On 07/29/2016 08:27 AM, Mukul Ranjan wrote:
> >> lucene version from lucene 3.6 to lucene 5.5.2. After 3.6,
> >>> indexReader terms api is removed which used to give list of terms.
> >>> I have used below code  to get the termEnum, but it has no option to
> >>> pass the value of the field which is used to get the matching result.
> >>>
> >>> Terms terms = MultiFields.getTerms(reader, TEXT_FIELD); TermsEnum
> >>> termsEnum = terms.iterator();
> >>>
> >>> Can anyone help me on this.
> > Hi Mukul,
> >
> > How about using PrefixTermsEnum like:
> >
> > Terms terms = MultiFields.getTerms(reader, TEXT_FIELD); TermsEnum
> > termsEnum = new PrefixTermsEnum(tenum, terms.iterator());
> >
> > - Best
> > Parit
> >
> >
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>
>
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