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https://issues.apache.org/jira/browse/LUCENE-2605?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13292620#comment-13292620
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John Berryman commented on LUCENE-2605:
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subscribed - Current client has index full of clothing - a search for "dress
shoes" will return results containing womens' dresses and running shoes.
> queryparser parses on whitespace
> --------------------------------
>
> Key: LUCENE-2605
> URL: https://issues.apache.org/jira/browse/LUCENE-2605
> Project: Lucene - Java
> Issue Type: Bug
> Components: core/queryparser
> Reporter: Robert Muir
> Fix For: 4.1
>
>
> The queryparser parses input on whitespace, and sends each whitespace
> separated term to its own independent token stream.
> This breaks the following at query-time, because they can't see across
> whitespace boundaries:
> * n-gram analysis
> * shingles
> * synonyms (especially multi-word for whitespace-separated languages)
> * languages where a 'word' can contain whitespace (e.g. vietnamese)
> Its also rather unexpected, as users think their
> charfilters/tokenizers/tokenfilters will do the same thing at index and
> querytime, but
> in many cases they can't. Instead, preferably the queryparser would parse
> around only real 'operators'.
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