Thanks Jack. I had planned on changing the field in the TermQuery or SpanTerm. Unless SpanTerms also drilldown to TermQuery. Only couldn't find the getter method name. Guess I need to look at the docs some more. Regards Puneet Pawaia On 6 Jul 2013 22:38, "Jack Krupansky" <j...@basetechnology.com> wrote:
> Each Query object has getter methods for each of its fields. If a field is > a nested Query object, you will then have to recursively process it. Be > prepared to do lots of "instanceof" conditionals. None of this is hard, > just lots of dog work. Consult the Javadoc for the getter methods. > > And when you write your instanceof conditionals, be sure to include an > "else" that displays the actual class name so that you can then add yet > another instanceof. > > Now, what you are really looking for is the TermQuery, that has a field > name - that's what you want to change. > > After you have called all of the getters, you create a new Query object of > the current type (the type you referenced in the "instanceof") and return > that new Query object. Recursion would return the new Query object. > > -- Jack Krupansky > > -----Original Message----- From: Puneet Pawaia > Sent: Saturday, July 06, 2013 12:54 PM > To: java-user@lucene.apache.org > Subject: Re: Forcing lucene to use specific field when processing parsed > query > > Hi Uwe > Unfortunately, at the stage I am required to do this, I do not have the > query text. I only have the parsed query. > I thought of iterating through the query clauses etc but could not find how > to. What function allows me to do this ? > Regards > Puneet Pawaia > On 6 Jul 2013 20:06, "Uwe Schindler" <u...@thetaphi.de> wrote: > > Hi, >> >> You can only do this manually with instanceof checks and walking through >> BooleanClauses. >> >> The better way to fix your problem would be to change your query parser, >> e.g. by overriding getFieldQuery and other protected methods to enforce a >> specific field while parsing the query string. >> >> Uwe >> >> >> >> Puneet Pawaia <puneet.paw...@gmail.com> schrieb: >> >Hi all, >> > >> >I am using Lucene.Net 3.0.3 and need to search in a specific field >> >(ignoring any fields specified in the query). I am given a parsed >> >Lucene >> >Query so I am unable to generate a parsed query with my required field. >> > >> >Is there any functionality in Lucene that allows me to loop through the >> >terms of the query and change the field ? The given query would be a >> >complex query where there would be spans, clauses etc. >> > >> >Or perhaps there is some way of forcing Lucene to ignore the fields >> >given >> >in the parsed query and used a specified field only. >> > >> >Any help would be most appreciated. >> > >> >Regards >> >Puneet Pawaia >> >> -- >> Uwe Schindler >> H.-H.-Meier-Allee 63, 28213 Bremen >> http://www.thetaphi.de >> > > > ------------------------------**------------------------------**--------- > 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> > >
