LogicalExpressionPlan filterPlan = new LogicalExpressionPlan();
ProjectExpression fy = new ProjectExpression(filterPlan, 0, 1, null);
ConstantExpression fc = new ConstantExpression(filterPlan, new Integer(0), new LogicalFieldSchema(null, null, DataType.INTEGER));
new EqualExpression(filterPlan, fy, fc);
LOFilter D = new LOFilter(lp, filterPlan);
D.neverUseForRealSetSchema(cschema);
lp.add(D);
lp.connect(C, D);
}
// Build a second similar plan to test equality