Modify LazyQueryResultImpl to allow resultFetchSize to be set programmatically
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                 Key: JCR-989
                 URL: https://issues.apache.org/jira/browse/JCR-989
             Project: Jackrabbit
          Issue Type: New Feature
          Components: query
    Affects Versions: 1.3
            Reporter: Christoph Kiehl
            Priority: Minor


In our application we have a search which only shows part of a query result. We 
always know which part of the result needs to be shown. This means we know in 
advance how many results need to be fetched. I would like to be able to 
programmatically set resultFetchSize to minimize the number of loaded lucene 
docs and therefore improve the performance.
I know it is already possible to the set the resultFetchSize via the index 
configuration, but this number is fixed and doesn't work well in environments 
where you use paging for your results because if you set this number too low 
the query will be executed multiple times and if you set it too high too many 
lucene docs are loaded.

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