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https://issues.apache.org/jira/browse/SOLR-9185?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15325410#comment-15325410
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Shawn Heisey commented on SOLR-9185:
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The current behavior might be counter to a new user's expectations, but if we
just change how it works by default, a lot of existing users might suddenly be
surprised by very different behavior from Solr after a minor version upgrade
where no config changes were made. In many cases the new behavior might be
preferred, but I don't think we can assume that.
> Solr's "Lucene"/standard query parser should not split on whitespace before
> sending terms to analysis
> -----------------------------------------------------------------------------------------------------
>
> Key: SOLR-9185
> URL: https://issues.apache.org/jira/browse/SOLR-9185
> Project: Solr
> Issue Type: Bug
> Reporter: Steve Rowe
> Assignee: Steve Rowe
>
> Copied from LUCENE-2605:
> 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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