Why do you care? By that I mean "what problem are you trying to solve" (See "The XY problem at http://people.apache.org/~hossman/). The reason I'm asking here is that very often, when people ask this kind of question without providing background, they're trying the wrong approach to solve a problem.
Unless you're asking for theoretical reasons, I almost guarantee that trying to solve any problem in Lucene by changing the order of the clauses isn't going to do you much good in the long run, there'll *always* be variant n+1... Best Erick On Thu, Apr 1, 2010 at 2:21 AM, <suman.hol...@zapak.co.in> wrote: > > Query I > > its written "to do a "search within search", so that the second search is > constrained by the results of the first query" > we can use boolean query. > So doesn't it mean the order of query ll be preserved > > give me an simple example of how the docs get searched in lucene. > 10 docs with 3 fields to b searched > so ll it search for field1 for all 10 docs..and the result set docs ll b > then searched for field2....and so far... > or is it something else.. > > > > thanks, > Suman > > On Thu, 1 Apr 2010 10:05:01 +0100, Ian Lea <ian....@gmail.com> wrote: > >> Query I > >> Does the order of query play role in searching > >> example:doc has fields > >> rollno(pk), name, marks > >> > >> Query : marks=90&rollno=2&name=abc > >> > >> Query :rollno=2&name=abc&marks=90 > >> > >> which query processing will be more efficient. > >> is it work like search doc field by field , it will look for doc having > >> rollno=2 then from thos will look for name abc and from the selected > docs > >> will again look for marks param . > > > > I don't think it makes any difference. > > > > > >> Query II > >> which is more faster . > >> a) adding one more multivalued field into current index(large) > >> b) or creating a separate index for the field and searching it as a > >> subindex . > >> My main apprehensions is in regard to large size of index > > > > Probably your first option. > > > > > > -- > > Ian. > > > > --------------------------------------------------------------------- > > 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 > >
