/** Copyright 2020 Alibaba Group Holding Limited.
 *
 * Licensed 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.
 */

#ifndef RUNTIME_COMMON_OPERATORS_RETRIEVE_JOIN_H_
#define RUNTIME_COMMON_OPERATORS_RETRIEVE_JOIN_H_

#include <vector>
#include "flex/engines/graph_db/runtime/common/context.h"
#include "flex/engines/graph_db/runtime/common/leaf_utils.h"

namespace gs {
namespace runtime {

struct JoinParams {
  std::vector<int> left_columns;
  std::vector<int> right_columns;
  JoinKind join_type;
};

class Join {
 public:
  static bl::result<Context> join(Context&& ctx, Context&& ctx2,
                                  const JoinParams& params);
};
}  // namespace runtime
}  // namespace gs

#endif  // COMMON_OPERATORS_RETRIEVE_JOIN_H_