be/src/exprs/aggregate/aggregate_function_reader.cpp

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// to you under the Apache License, Version 2.0 (the
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// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
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#include "exprs/aggregate/aggregate_function_reader.h"

#include <algorithm>
#include <string>

#include "exprs/aggregate/aggregate_function_bitmap.h"
#include "exprs/aggregate/aggregate_function_hll_union_agg.h"
#include "exprs/aggregate/aggregate_function_min_max.h"
#include "exprs/aggregate/aggregate_function_quantile_state.h"
#include "exprs/aggregate/aggregate_function_simple_factory.h"
#include "exprs/aggregate/aggregate_function_sum.h"
#include "exprs/aggregate/helpers.h"

namespace doris {
#include "common/compile_check_begin.h"

// auto spread at nullable condition, null value do not participate aggregate
void register_aggregate_function_reader_load(AggregateFunctionSimpleFactory& factory) {
    // add a suffix to the function name here to distinguish special functions of agg reader
    auto register_function_both = [&](const std::string& name,
                                      const AggregateFunctionCreator& creator) {
        factory.register_function_both(name + AGG_READER_SUFFIX, creator);
        factory.register_function_both(name + AGG_LOAD_SUFFIX, creator);
    };

    register_function_both(
            "sum",
            creator_with_type_list<TYPE_TINYINT, TYPE_SMALLINT, TYPE_INT, TYPE_BIGINT,
                                   TYPE_LARGEINT, TYPE_FLOAT, TYPE_DOUBLE, TYPE_DECIMAL32,
                                   TYPE_DECIMAL64, TYPE_DECIMAL128I, TYPE_DECIMAL256,
                                   TYPE_DECIMALV2>::creator<AggregateFunctionSumSimpleReader>);
    register_function_both("max", create_aggregate_function_single_value<AggregateFunctionMaxData>);
    register_function_both("min", create_aggregate_function_single_value<AggregateFunctionMinData>);
    register_function_both("bitmap_union",
                           creator_without_type::creator<
                                   AggregateFunctionBitmapOp<AggregateFunctionBitmapUnionOp>>);
    register_function_both("hll_union",
                           creator_without_type::creator<AggregateFunctionHLLUnion<
                                   AggregateFunctionHLLUnionImpl<AggregateFunctionHLLData>>>);
    register_function_both("quantile_union", create_aggregate_function_quantile_state_union);
}

} // namespace doris