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From "Emmanuel Lecharny (JIRA)" <>
Subject [jira] Created: (DIRSERVER-1070) [PERF]Substring Filters are evaluated for every single entry
Date Mon, 24 Sep 2007 13:42:50 GMT
[PERF]Substring Filters are evaluated for every single entry 

                 Key: DIRSERVER-1070
             Project: Directory ApacheDS
          Issue Type: Improvement
    Affects Versions: 1.5.1
            Reporter: Emmanuel Lecharny
             Fix For: 1.5.2

When applying a substring filter, we are using a very inefficient algorithm : the filter is
transformed to a regexp for evey entry found. This can be avoided if the SubstringNode stores
the regexp once it has been computed for the first entry.

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