Thanks for your reply and this useful links. On 3/23/07, Chris Hostetter <[EMAIL PROTECTED]> wrote:
see also the FAQ "Why am I getting no hits / incorrect hits?" which points to... http://wiki.apache.org/lucene-java/BooleanQuerySyntax ...I've just added some more words of wisdom there from past emails. : Date: Thu, 22 Mar 2007 09:51:15 -0400 : From: Erick Erickson <[EMAIL PROTECTED]> : Reply-To: java-user@lucene.apache.org : To: java-user@lucene.apache.org : Subject: Re: how ungrouped query handled? : : This is a pretty common issue that I've been grappling with by chance : recently. The main point is that the parser is NOT a boolean logic : parser..... : : Search the mail archive for the thread "bad query parser bug" and : you'll find a good discussion. : : I tried using PrecedenceQueryParser, but that didn't work for : me very well, search the mail archive on that and you'll see some : examples of why. : : I solved this problem for my immediate issues by writing a very : quick-and-dirty parenthesizer for my raw query. If it wasn't going : on summer, I might see if I can contribute something by : seeing if there's a way I can see to fix PrecedenceQueryParser. : : Best : Erick : : On 3/22/07, SK R <[EMAIL PROTECTED]> wrote: : > : > Hi, : > Can anyone explain how lucene handles the belowed query? : > My query is *field1:source AND (field2:name OR field3:dest)* . I've : > given this string to queryparser and then searched by using searcher. It : > returns correct results. It's query.toString() print is :: +field1:source : > +(field2:name field3:dest) : > But if i don't group my terms (i.e) my query : *field1:source AND : > field2:name OR field3:dest *,then it gives the result of first two term's : > search result. It doesn't search 3rd term. It's query.toString() print is : > :: : > +field1:source +field2:name field3:dest. : > If i use same boolean operator between all terms, then it returns correct : > results. : > Why it doesn't search the terms after 2nd term if grouping not used? : > : > Thanks & Regards : > RSK : > : -Hoss --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
