ColumnExpression dub = new ColumnExpression(HEADERS[4]);
NumericLiteral x0 = new NumericLiteral(0);
NumericLiteral xlo = new NumericLiteral(lo);
NumericLiteral xhi1 = new NumericLiteral(hi-1.0);
NumericLiteral xhi2 = new NumericLiteral(1.0f);
Expression xhi = new ArithmeticExpression(
ArithmeticExpression.ADD, xhi1, xhi2);
ComparisonPredicate idCmp = new ComparisonPredicate(
ComparisonPredicate.GTEQ, id, x0);
RangePredicate dubRg = new RangePredicate(RangePredicate.IN_EX, dub,