Yes, that will allow specifying wildcard as the first character, but it can lead to very slow queries, especially on larger indices.
On Mon, Aug 5, 2019 at 6:08 PM <baris.ka...@oracle.com> wrote: > > Does QueryParser.setAllowLeadingWildCard(true) work? > > this will allow to use wildcard as first char in the search string, right? > Best > > On 8/5/19 7:40 AM, Baris Kazar wrote: > > thanks, i found a setting in lucene that is supposed to allow > > wildcard as first char, i will post here what it was. > > But i have not tested it yet. > > Best > > > > ----- Original Message ----- > > From: a...@apache.org > > To: java-user@lucene.apache.org > > Sent: Sunday, August 4, 2019 11:41:55 PM GMT -05:00 US/Canada Eastern > > Subject: Re: partial match > > > > It is not very clear as to what is it that you are trying to achieve > > here. If you want to match similar terms as the one you specify in the > > query (test, tesk, lest etc), then a fuzzy query (~) should suffice. > > Note that you cannot specify a mandatory part of the text that has to > > match in every result returned by the query e.g. there is no way to > > specify that any hit returned by the query should match "te", and you > > are fine with different values for the remaining positions of the > > term. > > > > If you want to search for mutations on specific locations, use > > wildcard queries. To answer your original question, you cannot use a > > wildcard character as the first character of a query. > > > > On Sat, Aug 3, 2019 at 9:27 PM Baris Kazar <baris.ka...@oracle.com> wrote: > >> Hi,- > >> from > >> https://urldefense.proofpoint.com/v2/url?u=http-3A__lucene.apache.org_core_3-5F1-5F0_queryparsersyntax.html-23Fuzzy-2520Searches&d=DwIBaQ&c=RoP1YumCXCgaWHvlZYR8PZh8Bv7qIrMUB65eapI_JnE&r=nlG5z5NcNdIbQAiX-BKNeyLlULCbaezrgocEvPhQkl4&m=orQl2vNpXz4HN-5v11WwfVK1hMbj5tcdms4COUlZW54&s=nWxYOJsFm6XFXGNSXCUkwXohc5sDrdRu54Z8ROIN7Uo&e= > >> i would like to search *test~* where i want to find test or text anywhere > >> in the indexed field. > >> is this possible? i think by setting parser *test* is possible where we > >> can use a * or ? symbol as the first character of a search. > >> But will ~ work in this scenario? > >> Best regards > >> baris > >> > >> --------------------------------------------------------------------- > >> 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 > -- Regards, Atri Apache Concerted --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org
