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From "Ian Lea" <ian....@gmail.com>
Subject Re: Range Query Question
Date Fri, 25 Jul 2008 09:13:38 GMT
Hi


Are you sure your range queries should have wild card asterisks on the
end?  Looks odd to me and I don't know what the effect would be.

I'd also prefer everything in lower case but maybe you've got the
right analyzers being used consistently in indexing and searching
chains.


--
Ian.



On Fri, Jul 25, 2008 at 9:53 AM, Thomas Becker <thomas.becker@net-m.de> wrote:
> Hi all,
>
> I need to replace some db queries with lucene due to response time issues
> for sure. In this special case I need to do a range query on a field and a
> prefix query. I'm trying to prepare and try my query in luke with no success
> before migrating it to java.
>
> I need to find all names starting with for example "A Balladeer" to "A
> Perfect Circle" in the name field. The sort field is sortName (same content
> as name, but untokenized for sorting).
>
> I tried the following in luke which should give me a few hundred docs:
>
> name:["A Balladeer*" TO "A Perfect Circle*"] - 0 results, also there should
> be some
> name:["A Balladeer*" TO "B*" - >10k results, but also returns results which
> have a string in the middle or end starting with A
>
> I tried using sortName (untokenized) field instead:
> sortName:["A Balladeer*" TO "B*" - 25 results, all starting with A* (guess
> since it's untokenized), but far less than expected again
>
> Tried a couple of more (stupid) things with little success. I googled
> around, but I'm kinda stuck here. So I'm asking the list. How can I search
> all name/sortName fields in a range between "A Balladeer*" TO "A Perfect
> Circle*" and get only terms back which are starting with that terms? Is
> there a way to accomplish that in Java and try it in luke?
>
> And is there a way to sort resultsets in luke?
>
> Cheers,
> Thomas
>
> --
> Thomas Becker

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