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From "Dawid Weiss (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (LUCENE-3830) MappingCharFilter could be improved by switching to an FST.
Date Tue, 28 Feb 2012 09:43:48 GMT
MappingCharFilter could be improved by switching to an FST.
-----------------------------------------------------------

                 Key: LUCENE-3830
                 URL: https://issues.apache.org/jira/browse/LUCENE-3830
             Project: Lucene - Java
          Issue Type: Improvement
            Reporter: Dawid Weiss
            Assignee: Dawid Weiss
            Priority: Minor
             Fix For: 4.0


MappingCharFilter stores an overly complex tree-like structure for matching input patterns.
The input is a union of fixed strings mapped to a set of fixed strings; an fst matcher would
be ideal here and provide both memory and speed improvement I bet.

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