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From "Uwe Schindler" <...@thetaphi.de>
Subject RE: Query about Query.ToString()
Date Thu, 18 Feb 2010 07:48:04 GMT
Don't forget to add the new *RangeQuery classes! :-)

Uwe

-----
Uwe Schindler
H.-H.-Meier-Allee 63, D-28213 Bremen
http://www.thetaphi.de
eMail: uwe@thetaphi.de


> -----Original Message-----
> From: Mark Harwood [mailto:markharw00d@yahoo.co.uk]
> Sent: Thursday, February 18, 2010 8:32 AM
> To: java-user@lucene.apache.org
> Subject: Re: Query about Query.ToString()
> 
> Yes it is being maintained and I have it in production on many large
> systems.
> Phrase prefix wildcard etc can be supported using the "UserQuery" tag
> which hands off to the regular Lucene QueryParser. It would be easy to
> add XML tags for these types but these clauses tend to be provided by
> users anyway as part of free-text fields. The other XML syntax tends to
> be useful for capturing all the other structured input eg date ranges,
> checkboxes etc as filters or caches filters.
> I intend to give it a 3.0 refresh to add geo etc soon
> ---------------------------------------
> 
> On 18 Feb 2010, at 02:12, Chris Lu <chris.lu@gmail.com> wrote:
> 
> XMLQueryParser is pretty good start. However, is it being maintained
> recently?
> 
> I noticed many Query class are not supported, like PrefixQuery, or even
> PhraseQuery.
> Is it for some particular reason or simply lack of resource?
> 
> --
> Chris Lu
> -------------------------
> Instant Scalable Full-Text Search On Any Database/Application
> site: http://www.dbsight.net
> demo: http://search.dbsight.com
> Lucene Database Search in 3 minutes:
> http://wiki.dbsight.com/index.php?title=Create_Lucene_Database_Search_i
> n_3_minutes
> DBSight customer, a shopping comparison site, (anonymous per request)
> got 2.6 Million Euro funding!
> 
> 
> Mark Harwood wrote:
> This was part of the rationale for creating the XMLQueryParser which
> can be found in contrib.
> 
> See here for the background: http://marc.info/?l=lucene-
> dev&m=113355526731460&w=2
> 
> 
> On 17 Feb 2010, at 18:44, Aaron Schon wrote:
> 
> 
> Hi all, I know that persisting a Lucene query by query ToString()
> method. Is there any way of reconstructing the query from the string
> itself?
> The usecase is that I will be storing a library of queries as strings
> and load the appropriate query (from the string) based on some
> conditions.
> 
> Is this possible? Could you share a code snippet?
> 
> p.s. apologies for the double posting (I had asked this on Lucene
> general and was asked to ask here instead)
> 
> 
> 
> 
> 
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