[jira] [Resolved] (SOLR-4153) eDismax: Misinterpretation of hyphens

["Hoss Man (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-4153?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hoss Man resolved SOLR-4153.
----------------------------

    Resolution: Not A Problem

This is not a problem in edismax, this is an issue of how your field analysis is configured.

Please look at the example schema.xml and note in particular the discussion of autoGeneratePhraseQueries. (and it's usage in "text_en_splitting")
                
> eDismax: Misinterpretation of hyphens
> -------------------------------------
>
>                 Key: SOLR-4153
>                 URL: https://issues.apache.org/jira/browse/SOLR-4153
>             Project: Solr
>          Issue Type: Improvement
>          Components: query parsers
>    Affects Versions: 4.0
>            Reporter: Leonhard Maylein
>
> The eDismax parser treats hyphens as OR operator:
> &q: 
>   british history 1815-1914
> &qf: 
>   ti sw
> Parsed as:
> (+((DisjunctionMaxQuery((sw:british | ti:british)) DisjunctionMaxQuery((sw:history | ti:history)) DisjunctionMaxQuery(((sw:1815 sw:1914) | (ti:1815 ti:1914))))~3))/no_coord
> What is the reason for this behavior? Wouldn't it be better
> to treat 'term1-term2' as a PhraseQuery "term1 term2" (as the WordDelimiterFilter does)?

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