text: // Licensed to the Apache Software Foundation (ASF) under one
  // or more contributor license agreements.  See the NOTICE file
  // distributed with this work for additional information
  // regarding copyright ownership.  The ASF licenses this file
  // to you under the Apache License, Version 2.0 (the
  // "License"); you may not use this file except in compliance
  // with the License.  You may obtain a copy of the License at
  //
  //   http://www.apache.org/licenses/LICENSE-2.0
  //
  // Unless required by applicable law or agreed to in writing,
  // software distributed under the License is distributed on an
  // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  // KIND, either express or implied.  See the License for the
  // specific language governing permissions and limitations
  // under the License.
  
  #pragma once
  
  #include "vec/exec/vset_operation_node.h"
  
  namespace doris {
  namespace vectorized {
  
  class VExceptNode : public VSetOperationNode {
  public:
      VExceptNode(ObjectPool* pool, const TPlanNode& tnode, const DescriptorTbl& descs);
      virtual Status init(const TPlanNode& tnode, RuntimeState* state = nullptr);
      virtual Status prepare(RuntimeState* state);
      virtual Status open(RuntimeState* state);
      virtual Status get_next(RuntimeState* state, vectorized::Block* output_block, bool* eos);
      virtual Status close(RuntimeState* state);
  
  private:
      template < class HashTableContext, bool is_intersected>
      friend class HashTableProbe;
  };
  } // namespace vectorized
  } // namespace doris
  