Method toThrift

fe/src/main/java/org/apache/impala/planner/UnionNode.java:353–356

(TPlanNode msg)

  }

  @Override
  protected void toThrift(TPlanNode msg) {
    Preconditions.checkState(false, "Unexpected use of old toThrift() signature.");
  }

  @Override
  protected void toThrift(TPlanNode msg, ThriftSerializationCtx serialCtx) {