"C = union onschema A, B; " +
"D = store C into 'output';";
LogicalPlan plan = generateLogicalPlan( query );
if( plan != null ) {
int nodeCount = plan.size();
UnionOnSchemaSetter visitor = new UnionOnSchemaSetter( plan );
visitor.visit();
System.out.println( "Plan after setter: " + plan.toString() );
Assert.assertEquals( nodeCount + 2, plan.size() );
}
}