On Aug 2, 2009, at 1:43 PM, Tim Williams wrote:
Hi Martin, Sure, if it works like I envision it, Lucene would just be *one* concrete tree grammar implementation - there could be others (ie OracleText), I'm thinking it is broader than one implementation - otherwise, I reckon it's Yet Another Lucene Query Parser (YALQP). For more practical reasons, I'm not a Lucene committer and it'd be slow going to play around with this through JIRA patches to their sandbox.
FWIW, Lucene has recently added a new, more flexible Query Parser that allows for separation of the various pieces (syntax, intermediate representation, Lucene Query). You might want to check it out and see how that fits
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