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Posted to dev@lucene.apache.org by "HeXin (JIRA)" <ji...@apache.org> on 2013/08/28 16:28:52 UTC

[jira] [Created] (SOLR-5198) Make default similarty configurable

HeXin created SOLR-5198:
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             Summary: Make default similarty configurable
                 Key: SOLR-5198
                 URL: https://issues.apache.org/jira/browse/SOLR-5198
             Project: Solr
          Issue Type: Improvement
          Components: Schema and Analysis
    Affects Versions: 4.4
            Reporter: HeXin
            Priority: Minor
             Fix For: 4.5, 5.0


  Though the code has supported for customizing scoring on a per-field basis in using <similarity/> in a schema's fieldType and 
we can configure our custom similarity factory in schema,  we can't configure the default similarty and it is hardcode in SchemaSimilarityFactory. 

  If we want to use another similarity as default similarty instead of DefaultSimilarity provided by lucene, we must to write another similarity factory to do this. Therefore, it is necessary to make default similarty configurable. 

  Any comments is welcomed. 

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