// 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 <stdint.h>

#include "exec/operator/operator.h"

namespace doris {

#include "common/compile_check_begin.h"

class SelectOperatorX;

class SelectLocalState final : public PipelineXLocalState<FakeSharedState> {

public:

    ENABLE_FACTORY_CREATOR(SelectLocalState);

    SelectLocalState(RuntimeState* state, OperatorXBase* parent)

            : PipelineXLocalState<FakeSharedState>(state, parent) {}

    ~SelectLocalState() = default;

private:

    friend class SelectOperatorX;

};

class SelectOperatorX final : public StreamingOperatorX<SelectLocalState> {

public:

    SelectOperatorX(ObjectPool* pool, const TPlanNode& tnode, int operator_id,

                    const DescriptorTbl& descs)

            : StreamingOperatorX<SelectLocalState>(pool, tnode, operator_id, descs) {}

    Status pull(RuntimeState* state, Block* block, bool* eos) override {

        auto& local_state = get_local_state(state);

        SCOPED_TIMER(local_state.exec_time_counter());

        RETURN_IF_CANCELLED(state);

        RETURN_IF_ERROR(local_state.filter_block(local_state._conjuncts, block));

        local_state.reached_limit(block, eos);

        return Status::OK();

    }

    [[nodiscard]] bool is_source() const override { return false; }

};

#include "common/compile_check_end.h"

} // namespace doris