// 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_bitmap_agg.h"

#include "core/data_type/data_type.h"

#include "core/data_type/data_type_nullable.h"

#include "exprs/aggregate/aggregate_function_simple_factory.h"

#include "exprs/aggregate/helpers.h"

namespace doris {

#include "common/compile_check_begin.h"

template <bool nullable>

AggregateFunctionPtr create_with_int_data_type(const DataTypes& argument_types) {

    switch (argument_types[0]->get_primitive_type()) {

    case PrimitiveType::TYPE_TINYINT:

        return std::make_shared<AggregateFunctionBitmapAgg<nullable, TYPE_TINYINT>>(argument_types);

    case PrimitiveType::TYPE_SMALLINT:

        return std::make_shared<AggregateFunctionBitmapAgg<nullable, TYPE_SMALLINT>>(

                argument_types);

    case PrimitiveType::TYPE_INT:

        return std::make_shared<AggregateFunctionBitmapAgg<nullable, TYPE_INT>>(argument_types);

    case PrimitiveType::TYPE_BIGINT:

        return std::make_shared<AggregateFunctionBitmapAgg<nullable, TYPE_BIGINT>>(argument_types);

    default:

        LOG(WARNING) << "with unknown type, failed in create_with_int_data_type bitmap_union_int"

                     << " and type is: " << argument_types[0]->get_name();

        return nullptr;

    }

}

Unexecuted instantiation: _ZN5doris25create_with_int_data_typeILb1EEESt10shared_ptrINS_18IAggregateFunctionEERKSt6vectorIS1_IKNS_9IDataTypeEESaIS7_EE

Unexecuted instantiation: _ZN5doris25create_with_int_data_typeILb0EEESt10shared_ptrINS_18IAggregateFunctionEERKSt6vectorIS1_IKNS_9IDataTypeEESaIS7_EE

AggregateFunctionPtr create_aggregate_function_bitmap_agg(const std::string& name,

                                                          const DataTypes& argument_types,

                                                          const DataTypePtr& result_type,

                                                          const bool result_is_nullable,

                                                          const AggregateFunctionAttr& attr) {

    const bool arg_is_nullable = argument_types[0]->is_nullable();

    if (arg_is_nullable) {

        return AggregateFunctionPtr(create_with_int_data_type<true>(argument_types));

    } else {

        return AggregateFunctionPtr(create_with_int_data_type<false>(argument_types));

    }

}

void register_aggregate_function_bitmap_agg(AggregateFunctionSimpleFactory& factory) {

    factory.register_function_both("bitmap_agg", create_aggregate_function_bitmap_agg);

}

} // namespace doris