Hi Jack This needs to be taken care while indexing?Where can i get the code for the edgegram indexing and then searching.?
-Hiren On Wed, Jul 4, 2012 at 9:19 PM, Jack Krupansky <j...@basetechnology.com>wrote: > You might also consider using the EdgeNGram filter for your documents > since it would index "bar" as both "ba" and "bar" at the same position, > eliminating the need for the use of wildcards. It makes the index bigger, > but eliminates the performance degradation of wildcards. It isn't great for > all situations, but maybe it would work well for your case. > > -- Jack Krupansky > > -----Original Message----- From: Ian Lea > Sent: Wednesday, July 04, 2012 4:00 AM > To: java-user@lucene.apache.org > Subject: Re: Starts with Query - Return like search > > > In fact there is an FAQ entry Can I combine wildcard and phrase > search, e.g. "foo ba*"? at > http://wiki.apache.org/lucene-**java/LuceneFAQ#Can_I_combine_** > wildcard_and_phrase_search.2C_**e.g._.22foo_ba.2A.22.3F<http://wiki.apache.org/lucene-java/LuceneFAQ#Can_I_combine_wildcard_and_phrase_search.2C_e.g._.22foo_ba.2A.22.3F> > which suggests you extend the QueryParser to build a MultiPhraseQuery. > There's also ComplexPhraseQueryParser which looks interesting. > > > -- > Ian. > > > On Wed, Jul 4, 2012 at 9:51 AM, Ian Lea <ian....@gmail.com> wrote: > >> Where exactly are you using these double quoted strings? QueryParser? >> It would help if you showed a code snippet. >> >> Assuming your real data is more complex and the strings you are >> searching for aren't necessarily at the start of the text, you'll need >> some mix of wildcard and proximity searching. I don't think that "foo >> ba*"~n >> will work but I'm sure you'll be able to do it with a SpanQuery or >> six. SpanNearQuery lets you specify slop and whether you care if >> matches are in order or not. >> >> See >> http://www.lucidimagination.**com/blog/2009/07/18/the-**spanquery/<http://www.lucidimagination.com/blog/2009/07/18/the-spanquery/>for >> info on spans. >> >> See also http://wiki.apache.org/lucene-**java/LuceneFAQ#Why_am_I_** >> getting_no_hits_.2BAC8_**incorrect_hits.3F<http://wiki.apache.org/lucene-java/LuceneFAQ#Why_am_I_getting_no_hits_.2BAC8_incorrect_hits.3F> >> for good tips on figuring out why things aren't doing what you want. >> >> Good luck. >> >> >> -- >> Ian. >> >> >> On Wed, Jul 4, 2012 at 7:11 AM, Hiren Shah <hiren.t.s...@gmail.com> >> wrote: >> >>> I have used standardAnalyser to save the ANALYZED data in index. >>> >>> Data is as below:- >>> >>> 1. foo bag test >>> 2. foo bar test >>> 3. bar india foo >>> >>> >>> I used >>> When i search using---------------> foo ba >>> I get all results when i use ------->(+foo* +ba*) >>> >>> 1. I tried using "foo ba" (with double quotes) but no results come as >>> it searches for exact word >>> 2. I tried using "foo ba*" (with double quotes) but no results come >>> as >>> it searches for exact word >>> 3. I tried using "foo bar" (with double quotes) Then 2nd result comes >>> as both words are completed >>> >>> What should be done to get options 1 and 2 in results when user types >>> foo >>> ba*. I dont want 3rd result but want 1st 2 results. >>> Please help. >>> >>> Thanks >>> Hiren >>> >> > ------------------------------**------------------------------**--------- > 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-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> > >
