[jira] [Resolved] (LUCENE-4024) FuzzyQuery should never do edit distance > 2

["Robert Muir (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/LUCENE-4024?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robert Muir resolved LUCENE-4024.
---------------------------------

    Resolution: Fixed
    
> FuzzyQuery should never do edit distance > 2
> --------------------------------------------
>
>                 Key: LUCENE-4024
>                 URL: https://issues.apache.org/jira/browse/LUCENE-4024
>             Project: Lucene - Java
>          Issue Type: Improvement
>            Reporter: Michael McCandless
>             Fix For: 4.0
>
>         Attachments: LUCENE-4024.patch
>
>
> Edit distance 1 and 2 are now very very fast compared to 3.x (100X-200X faster) ... but edit distance 3 will fallback to the super-slow scan all terms in 3.x, which is not graceful degradation.
> Not sure how to fix it ... mabye we have a SlowFuzzyQuery?  And FuzzyQuery throws exc if you try to ask it to be slow?  Or, we add boolean (off by default) that you must turn on to allow slow one..?

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