private Operator genPTFPlan(PTFInvocationSpec ptfQSpec, Operator input) throws SemanticException {
    List<PTFInvocationSpec> componentQueries = PTFTranslator.componentize(ptfQSpec);
    for (PTFInvocationSpec ptfSpec : componentQueries) {
      input = genPTFPlanForComponentQuery(ptfSpec, input);
    }
    LOG.debug("Created PTF Plan ");
    return input;
  }
It will check if this is analyze ... compute statistics noscan
@param tree
ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java