Hi Anastasiya, > 1) Use AnalyzingSuggester > 2) Use PrefixQuery and SpanFirstQuery with the IndexSearcher.search() > What is the differences between them? Do they have big differences in > performance?
I don't think they are directly comparable but internally, AnalyzingSuggerster decompounds the tokens into (edge) ngrams, indexes those ngrams, then looks up matching entries by TermQuery at query time. I would recommend following the AnalyzingSuggester's source code if you have a bit of experience with Lucene API, so that you have a concrete image of it? It does not play with too low-level APIs, and I think it can be seen as a very interesting search application of Lucene :) Tomoko 2022年5月26日(木) 1:34 Anastasiya Tarasenko <anastasiyatarasenk...@gmail.com>: > Thank you for comment) > > For our task it seems a redundant, because per my understanding > AnalyzingInfixSuggester find matches anywhere from query string, for our > purpose we need only prefix search. > For AnalyzingSuggester it scares me that when new entry is coming or > changed you have to rebuild the suggest index every time. > > On Wed, May 25, 2022 at 4:16 PM Michael Wechner <michael.wech...@wyona.com > > > wrote: > > > we are using AnalyzingInfixSuggester but I would also be curious to > > know whether this is the best way :-) > > > > Thanks > > > > Michael > > > > Am 25.05.22 um 14:39 schrieb Anastasiya Tarasenko: > > > Hi All, > > > > > > I have a question regarding auto-complete functionality in Lucene. > > > On the StackOverflow the suggestion regarding implementation is > > > 1) Use AnalyzingSuggester > > > 2) Use PrefixQuery and SpanFirstQuery with the IndexSearcher.search() > > > > > > What is the differences between them? Do they have big differences in > > > performance? > > > > > > Currently for suggest we are using SuggestIndexSearcher.suggest() > method, > > > but there is no availability to add scoring by some field (what exactly > > we > > > need) and I did not found any recommendation on the StackOverflow for > > this > > > method. > > > > > > And now the question is what is the better to use 1# or 2# for > > > auto-complete. > > > Could you advice? > > > > > > Thank you > > > > > >
