Expression Builder aggregate functions are unoptimized for JDBC
---------------------------------------------------------------

         Key: GEOT-797
         URL: http://jira.codehaus.org/browse/GEOT-797
     Project: GeoTools
        Type: Bug

  Components: main, filter & expression  
    Versions: 2.2.M2    
    Reporter: Cory Horner
 Assigned to: Cory Horner 
    Priority: Minor


Looks like the addition of a progress monitor to the FeatureCollection accepts 
method broke some of our JDBC optimizations.

        ExpressionBuilder eb = new ExpressionBuilder();
        FunctionExpression expr = (FunctionExpression) 
eb.parser("Collection_Sum(vregist)");
        int result = ((Number) expr.getValue(fc)).intValue();

is unoptimized.

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