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From "Simon Willnauer (JIRA)" <>
Subject [jira] [Commented] (LUCENE-4745) Allow FuzzySlop customization in classic QueryParser
Date Sat, 02 Feb 2013 09:46:14 GMT


Simon Willnauer commented on LUCENE-4745:

Interesting idea. I can see the benefit of this in many ways and the nice part about this
is that you don't break backwards compatibility here. Well maybe since you don't be a query
parser error if you do "foo~2bar" vs. "foo~2 bar". I personally have no strong feelings about
this particular problem, anybody else?
> Allow FuzzySlop customization in classic QueryParser
> ----------------------------------------------------
>                 Key: LUCENE-4745
>                 URL:
>             Project: Lucene - Core
>          Issue Type: Improvement
>          Components: modules/queryparser
>    Affects Versions: 4.1
>            Reporter: Florian Schilling
>             Fix For: 4.2, 5.0
>         Attachments: LUCENE-4745-full.patch, LUCENE-4745-full.patch, LUCENE-4745-raw.patch,
> It turns out searching arbitrary fields with define FUZZY_SLOP values could be problematic
on some types of values. For example a FUZZY_SLOP on dates is ambiguous and needs a definition
of a unit like months, days, minutes, etc. An extension on the query grammar that allows some
arbitrary text behind the values in combination with a possibility to override the method
parsing those values could solve these kinds of problems.

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