// 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 <stddef.h>
#include <stdint.h>

#include <string_view>
#include <vector>

#include "common/status.h"
#include "vec/common/string_ref.h"
#include "vec/data_types/data_type.h"
#include "vec/exprs/table_function/table_function.h"

namespace doris {
namespace vectorized {
class Block;
class ColumnString;
} // namespace vectorized
} // namespace doris

namespace doris::vectorized {

class VExplodeSplitTableFunction final : public TableFunction {
    ENABLE_FACTORY_CREATOR(VExplodeSplitTableFunction);

public:
    VExplodeSplitTableFunction();
    ~VExplodeSplitTableFunction() override = default;

    Status open() override;
    Status process_init(Block* block) override;
    Status process_row(size_t row_idx) override;
    Status process_close() override;
    void get_value(MutableColumnPtr& column) override;

private:
    std::vector<std::string_view> _backup;

    ColumnPtr _text_column;
    const uint8_t* _test_null_map = nullptr;
    const ColumnString* _real_text_column = nullptr;

    StringRef _delimiter = {};
};

} // namespace doris::vectorized