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From Terry Steichen <>
Subject Re: a "real" PhrasePrefixQuery
Date Fri, 20 May 2005 15:20:52 GMT

Could you flesh out the implementation you describe below with some code 
or pseudocode?



Paul Elschot wrote:

>On Friday 20 May 2005 11:30, Stanislav Jordanov wrote:
>>Is there a Lucene Query (or something that will do a job) like:
>>"Star Wars tri*"
>>that will match all docs containing a 3 word phrase: 'Star' followed by 
>>'Wars' followed by a word starting with 'tri'.
>>I.e. the above query will match both "Star Wars trilogy" and "Star Wars 
>You'll need an ordered SpanNearQuery over the following:
>- SpanTermQuery for "Star"
>- SpanTermQuery for "Wars"
>- SpanOrQuery over all SpanTermQuery's for terms matching tri*.
>The last one should be a SpanPrefixQuery, but that one is not
>available. Have a look in PrefixQuery.rewrite() on how to find all
>terms matching tri*, it's fairly straightforward.
>Paul Elschot
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