On Jun 9, 2004, at 1:05 PM, Don Gilbert wrote:
I'm particularly interested in the XPath stuff I saw in LGQueryParser.
* xpathFieldParse 'xpath' parser: param allfields[], with query or field[] possibly having wild-card notation: *.start annotation.*.text allowing '/' and '.' field separator
This is an *unfinished* attempt to support xpath style queries with wild-cards or parts when you have indexed XML data, such as
query: /annotation/*/text:term
I had to put this aside when I saw the problem of pulling the xpath
fields from a query string would take a fair amount of thought and code.
Keep us posted if/when you return to this. I would love to see XPath query capability on "hierarchical" content indexed in Lucene. Jakarta Slide, for example, is starting to build in Lucene indexing capability - although I don't think they are doing anything with XPath query expressions yet.
Anyone doing anything similar? Implementation ideas?
Erik
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