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https://issues.apache.org/jira/browse/SOLR-2113?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13003337#comment-13003337
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Robert Muir commented on SOLR-2113:
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most analyzers are not idempotent.
this wouldn't be a valuable property to have (useless for a search engine).
its also not practical nor worth the trouble.
one thing to also keep in mind is that analyzers these days take Reader and
ultimately return byte[], for example at the extreme a collation analyzer
returns a binary sort key as a term... this isn't reversible back to a String
at all in any way.
> Create TermsQParser that deals with toInternal() conversion of external terms
> -----------------------------------------------------------------------------
>
> Key: SOLR-2113
> URL: https://issues.apache.org/jira/browse/SOLR-2113
> Project: Solr
> Issue Type: New Feature
> Components: search
> Reporter: Hoss Man
> Fix For: 4.0
>
> Attachments: SOLR-2113.patch
>
>
> For converting facet.field response constraints into filter queries, it would
> be helpful to have a QParser that generated a TermQuery using the
> toInternal() converted result of the raw "q" param
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