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From "Frank van Lankvelt (JIRA)" <j...@apache.org>
Subject [jira] Created: (JCR-2118) spi-rmi query row iterator returns -1 for size
Date Tue, 19 May 2009 09:33:45 GMT
spi-rmi query row iterator returns -1 for size

                 Key: JCR-2118
                 URL: https://issues.apache.org/jira/browse/JCR-2118
             Project: Jackrabbit Content Repository
          Issue Type: Bug
          Components: sandbox
            Reporter: Frank van Lankvelt

When running queries over spi-rmi, the returned size for child node info and query row iterators
is always -1.  This doesn't matter too much for the child node infos, as the only place that
it is used iterates over all nodes anyway.  However, for a query it would be nice to know
how many results there are; the approximation that lazy iterators make is fine.

The problem appears to be the use of the IteratorHelper in ServerQueryInfo.  Since it is not
a range iterator, the wrapping ServerIterator cannot retrieve the number of results.  I suggest
to replace the helper by a RangeIteratorDecorator from jcr-commons.

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