// 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.

#include "exprs/aggregate/aggregate_function_window_funnel.h"

#include <string>

#include "common/logging.h"

#include "core/data_type/data_type.h"

#include "core/types.h"

#include "exprs/aggregate/aggregate_function_simple_factory.h"

#include "exprs/aggregate/helpers.h"

namespace doris {

#include "common/compile_check_begin.h"

AggregateFunctionPtr create_aggregate_function_window_funnel(const std::string& name,

                                                             const DataTypes& argument_types,

                                                             const DataTypePtr& result_type,

                                                             const bool result_is_nullable,

                                                             const AggregateFunctionAttr& attr) {

    if (argument_types.size() < 3) {

        LOG(WARNING) << "window_funnel's argument less than 3.";

        return nullptr;

    }

    if (argument_types[2]->get_primitive_type() == TYPE_DATETIMEV2) {

        return creator_without_type::create<AggregateFunctionWindowFunnel>(

                argument_types, result_is_nullable, attr);

    } else {

        LOG(WARNING) << "Only support DateTime type as window argument!";

        return nullptr;

    }

}

void register_aggregate_function_window_funnel(AggregateFunctionSimpleFactory& factory) {

    factory.register_function_both("window_funnel", create_aggregate_function_window_funnel);

}

void register_aggregate_function_window_funnel_old(AggregateFunctionSimpleFactory& factory) {

    BeExecVersionManager::registe_restrict_function_compatibility("window_funnel");

}

} // namespace doris