lucene-solr-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Chris Harris (JIRA)" <j...@apache.org>
Subject [jira] Created: (SOLR-1871) Function Query "map" variant that allows "target" to be an arbitrary ValueSource
Date Thu, 08 Apr 2010 19:49:37 GMT
Function Query "map" variant that allows "target" to be an arbitrary ValueSource
--------------------------------------------------------------------------------

                 Key: SOLR-1871
                 URL: https://issues.apache.org/jira/browse/SOLR-1871
             Project: Solr
          Issue Type: Improvement
          Components: search
    Affects Versions: 1.4
            Reporter: Chris Harris


Currently, as documented at http://wiki.apache.org/solr/FunctionQuery#map, the "target" of
a map must be a floating point constant. I propose that you should have at least the option
of doing a map where the target is an arbitrary ValueSource.

The particular use case that inspired this is that I want to be able to control how missing
date fields affected boosting. In particular, I want to be able to use something like this
in my function queries:

{code}
map(mydatefield,0,0,ms(NOW))
{code}

But this might have other uses.

I'll attach an initial implementation.

-- 
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.


Mime
View raw message