[PERF]Substring Filters are evaluated for every single entry
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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: 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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