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From Doug Cutting <>
Subject Re: XML based Query Parser
Date Wed, 22 Feb 2006 17:43:26 GMT
markharw00d wrote:
> Further to our discussions some time ago I've had some time to put 
> together an XML-based query parser with support for many "advanced" 
> query types not supported in the current Query parser.
> More details and code here: 


I think this could make a good contrib module.  I'd move the new query 
classes into a separate contrib/queries module (where perhaps a number 
of queries now in the core might also better live).  And it would be 
good to have a utility that builds a parser with builders for all of the 
core query classes and perhaps also all of the contrib queries. 
Overall, Bravo.

A related, useful, contribution would be a servlet that parses posted 
xml queries, runs them against an index, and returns the hit documents 
as xml.  We don't want this to compete with Solr, but, for many folks, a 
barebones solution like this might be sufficient.


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