Tom Burton-West created SOLR-3589:
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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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