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From "Emmanuel Lecharny (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DIRSERVER-1070) [PERF]Substring Filters are evaluated for every single entry
Date Wed, 02 Apr 2008 22:03:24 GMT

     [ https://issues.apache.org/jira/browse/DIRSERVER-1070?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Emmanuel Lecharny updated DIRSERVER-1070:
-----------------------------------------

    Fix Version/s:     (was: 1.5.2)
                   2.0.0

Postponed to 2.0, as any PERF issue.

> [PERF]Substring Filters are evaluated for every single entry 
> -------------------------------------------------------------
>
>                 Key: DIRSERVER-1070
>                 URL: https://issues.apache.org/jira/browse/DIRSERVER-1070
>             Project: Directory ApacheDS
>          Issue Type: Improvement
>    Affects Versions: 1.5.1
>            Reporter: Emmanuel Lecharny
>             Fix For: 2.0.0
>
>
> 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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