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From "Tom Burton-West (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SOLR-3589) Edismax parser does not honor mm parameter if analyzer splits a token
Date Mon, 02 Jul 2012 16:51:23 GMT
Tom Burton-West created SOLR-3589:
-------------------------------------

             Summary: Edismax parser does not honor mm parameter if analyzer splits a token
                 Key: SOLR-3589
                 URL: https://issues.apache.org/jira/browse/SOLR-3589
             Project: Solr
          Issue Type: Bug
          Components: search
    Affects Versions: 3.6
            Reporter: Tom Burton-West


With edismax mm set to 100%  if one of the tokens is split into two tokens by the analyzer
chain (i.e. "fire-fly"  => fire fly), the mm parameter is ignored and the equivalent of
 OR query for "fire OR fly" is produced.
This is particularly a problem for languages that do not use white space to separate words
such as Chinese or Japenese.

See these messages for more discussion:
http://lucene.472066.n3.nabble.com/edismax-parser-ignores-mm-parameter-when-tokenizer-splits-tokens-hypenated-words-WDF-splitting-etc-tc3991911.html

http://lucene.472066.n3.nabble.com/edismax-parser-ignores-mm-parameter-when-tokenizer-splits-tokens-i-e-CJK-tc3991438.html

http://lucene.472066.n3.nabble.com/Why-won-t-dismax-create-multiple-DisjunctionMaxQueries-when-autoGeneratePhraseQueries-is-false-tc3992109.html




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