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From Peter Carlson <carl...@bookandhammer.com>
Subject Re: Date Search Problem
Date Tue, 29 Oct 2002 15:51:32 GMT
If you are going to use the DateFilter method, you should use the 
DateField.dateToString to format your dates when they get added to your 
document.

--Peter


On Tuesday, October 29, 2002, at 07:47 AM, David Kendig wrote:

> I have XML documents that I indexed using Lucene with ISOGEN's XML 
> package. I
> am unable to get the date search working properly. First let me 
> describe how
> I set things up.  The document has these fields.
>
> 	<Temporal_Coverage>
> 	   <Start_Date>1968-01-01</Start_Date>
> 	   <Stop_Date>1997-12-31</Stop_Date>
> 	</Temporal_Coverage>
>
> They are indexed and added to org.apache.lucene.document.Document
>
> 	contentDoc.add(new Field("Start_Date", startDate, false, true, 
> false));
>
> I build a query (in a Jython Servlet the imports the lucene packages)
>
>         #if a date range is supplied, use a date filter
>         dateFormat = SimpleDateFormat("yyyy-MM-dd");
>         dateFilter = DateFilter.After("Start_Date",
> dateFormat.parse("2001-02-03") )
>         hits     = self.searcher.search(lucQuery, dateFilter)
>
> Now when DateFilter.After() is called above, I print the value of the 
> start
> attribute that is  declared as  a string and this is what I get:
> 	DateFilter.After().start=0ciqv3fk0
> But in DateFilter.bits() it is comparing against this:
>         Enum(0)=Term<Start_Date:1000-01-01>
>
> So could someone please point me in the right direction?  I must be 
> missing
> something here because it looks like it is comparing 0ciqv3fk0 to
> Term<Start_Date:1000-01-01> and that is obviously wrong.
>
> I scoured the FAQ and mail listings and the information on how to 
> search using
> dateField is minimal.  The API docs help, but it is not clear to me 
> how to
> put the API's together.  Unfortunately, the demo isn't much better at 
> showing
> how to search using arbitrary date formats.
>
> Thanks,
>
> Dave Kendig
>
>
>
>
>
>
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