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From "Marcel Reutegger (JIRA)" <j...@apache.org>
Subject [jira] Created: (JCR-805) Introduce a temprary cache for intermediate query results
Date Wed, 21 Mar 2007 11:28:32 GMT
Introduce a temprary cache for intermediate query results
---------------------------------------------------------

                 Key: JCR-805
                 URL: https://issues.apache.org/jira/browse/JCR-805
             Project: Jackrabbit
          Issue Type: Improvement
          Components: query
            Reporter: Marcel Reutegger
            Priority: Minor
             Fix For: 1.3


Sometimes queries execute the same sub query multiple times.

e.g. //element(*, nt:resource)[@jcr:mimeType != 'text/plain' and @jcr:mimeType != 'text/html']

will result in two internal MatchAllQuery on jcr:mimeType. The query should re-use the previously
calculated results when possible.

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