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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=15739 Query parser inconsistency when using terms to exclude. Summary: Query parser inconsistency when using terms to exclude. Product: Lucene Version: 1.2 Platform: PC OS/Version: Windows NT/2K Status: NEW Severity: Normal Priority: Other Component: QueryParser AssignedTo: [EMAIL PROTECTED] ReportedBy: [EMAIL PROTECTED] Hi. The problem I am having occurs when using queryparser and also when building the query using the API. Assume that we want to look for documents about fruits or vegetables but excluding tomatoes and bananas. I suppose the right query sould be: +(fruits vegetables) AND (-tomatoes -bananas) wich I think is equivalent to (if tou parse it and then print the query.toString ("") result that is what you get) +(fruits vegetables) +(-tomatoes -bananas) but the query doesn't work as expected, in fact the query that works is +(fruits vegetables) -(-tomatoes -bananas) which doesn´t really make much sense, because the second part seems to say: All documents where the condition "tomatoes is not present and bananas is not present " is false, which means the opposite. In fact, second query works as (even if they look quite opposite): +(fruits vegetables) -tomatoes -bananas Hope someone could help, thanks -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>
