lucene-solr-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Mike Klaas <>
Subject Re: Similarity with schema-driven lengthNorm
Date Tue, 04 Mar 2008 01:04:57 GMT

On 3-Mar-08, at 4:59 PM, Karsten Sperling wrote:

> Is there any work going on or planned on a Similarity sub-class that
> allows the lenghtNorm() behaviour to be changed via schema.xml on a
> field-by-field basis?
> At the moment I'm really only after omitting length norms for certain
> fields, but using a custom similarity that checks for hard coded field
> names seems like a rather inflexible kludge.
> Ideally the lengthNorm() call would be delegated to the FieldType
> instance of the field in question where a specific behaviour could be
> plugged in by specifying the class to use (similar to analyzer and
> tokenizer).
> Any comments on what others have done in this direction would be
> appreciated.

I'm using this "kludge".  I only have 3-4 distinct field type classes,  
so it doesn't feel too bad.


View raw message