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Posted to solr-user@lucene.apache.org by Chris Hostetter <ho...@fucit.org> on 2010/01/09 07:57:44 UTC
Re: field based boosting
: To be brief, looking at query string,
: 1) if there are no fields supplied as part of the query, I need to
: search for the input-query terms in a set of default field list
: including support for field boosting.
:
: 2) If the user has supplied some field name as part of the query then
: I do some other modifications to the query like query expansion, etc.
...you are a bit vague on what the "other modifications" are, so i'm not
sure if it will help, but there is a new experimental "edismax" parser in
the trunk right now that aims to support the same types of things as
"dismax" but with some extra bells and whistles (like: if the query string
contains "xxx:yyy" and "xxx" is a real field then just search for "yyy" in
that field, not in all the qf fields)
So you might check it out.
barring that...
: judged in query parser ( as far as I know ), which might be the right
: way of providing both of above features.
...you can write a custom QParserPlugin that does exactly what you want.
-Hoss