Shapefile filters does not work when no attributes are requested
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                 Key: GEOT-2973
                 URL: http://jira.codehaus.org/browse/GEOT-2973
             Project: GeoTools
          Issue Type: Bug
          Components: data shapefile
    Affects Versions: 2.6.2
            Reporter: Jody Garnett
            Assignee: Andrea Aime


This appears to just be an over sight; when performing a Query that does not 
request any attributes returned (ie just asking for a FeatureID set 
representing a "selection") shapefile fails to return anything.

The workaround is include the attributes mentioned in the Filter as part of the 
initial query; and then strip them out using Retype afterwords.
{code}
Set<String> set = (Set<String>) myFilter.accept( new 
FilterAttributeExtractor(), null );
{code}

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