You posted this already?
Hm, must have missed it. I had half a dozen beers ;), but this look
good. You don't need those outter parenthesis. Provide a
self-enclosing demonstration class, please, or a URL to your message if
it you already sent a message containing it.
Otis
--- Michael Caughey <[EMAIL PROTECTED]> wrote:
> Part of my problem seems to be that the Range Query Object isn't
> acting as it should as per the FAQ and other mail list entries.
> I'm using Lucene 1.2
>
> I have a field in my index called DATE. I'd like to do a date range
> search on it. I am using Strings in the format of yyyyMMdd.
>
> I have the following dates in my Index:
> 20021105
> 20021126
> 20021113
> 20021115
> 20021103
> 20021125
>
>
> When I use the follwing code to search, I get an exception:
> *NOTE: I'm using the MultiFieldQueryParser becuase In some cases I
> check other field, I've simplified this one to demonstrate (and run
> my tests isolated from other factors)
>
> IndexSearcher search = new IndexSearcher("myindex");
> SimpleAnalyzer analyzer = new SimpleAnalyzer();
> String[] fields = new String[1];
> fields[0] = "DATE"
>
> String buff = "( DATE:[20021101 - 20021131] )";
> Query query = MultiFieldQueryParser.parse(buff, fields,
> analyzer);
> searcher.search(query);
>
> I get the following error:
> java.lang.IllegalArgumentException: At least one term must be
> non-null
>
> if buff = "( DATE:20021101 - 20021131 )";
> as well as
> if buff = "( DATE:(20021101 - 20021131 ))";
> I simply get no results.
>
> I have added the date to the document by both
> Field.Text("DATE", dateStr);
> and
> Field.Keyword("DATE", dateStr);
>
> I have also tried to build the queries up creating Objects. One of
> the things I notice is that if I use the RangeQuery Object there are
> no spaces on either side of the "-".
>
> The documents which I created have the following Fields:
> TITLE, DESCRIPTION and DATE.
> If I search on TITLE or DESCRIPTION or a combination of both I get
> results just fine.
>
> Am I doing something stupid, or is this a bug? Seems to based on
> what I read that the example above where String buff = "(
> DATE:[20021101 - 20021131] )"; is correct and should work.
>
> I published the complete source in an earlier posting called "Problem
> with Range". It also contains a stack trace of the error.
>
> Thanks in advance,
> Michael
>
>
>
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