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From Mark Harwood <>
Subject Re: ComplexPhraseQueryParser (Expanded Form and Boosting)
Date Tue, 02 Feb 2010 07:33:47 GMT
Try call rewrite on the query object to expand then call tostring on  
the result.


On 1 Feb 2010, at 21:32, "Haghighi, Nariman" < 
 > wrote:

> We are relying on the ComplexPhraseQueryParser for some impressive  
> matching capabilities.
> Of concern is that Wildcard Queries, of the form "quality operations  
> providing quality food services job requirements: click here to  
> apply for this job*", for instance, take 2-5 seconds to execute and  
> require boosting the maxClauseCount to > 40K. I'm hard-pressed to  
> believe that we have over 40K unique words that have 'job' as a  
> prefix in our index so the first question is, how does one see the  
> expanded form of this query? We've installed the latest Luke for  
> Lucene 3 but aren't able to reproduce the same search there as it  
> doesn't seem to support Wildcard Queries. Second concern: boosting a  
> phrase ("java developer"^10.0) doesn't seem to be applied when you  
> look at the result explanations when using the  
> ComplexPhraseQueryParser - it's respected on single word queries and  
> it's respected on phrases using the basic QueryParser.
> Any ideas?
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