e412dd12e8
Currently, there are some useless includes in the codebase. We can use a tool named include-what-you-use to optimize these includes. By using a strict include-what-you-use policy, we can get lots of benefits from it.
115 lines
5.6 KiB
C++
115 lines
5.6 KiB
C++
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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#include "vec/aggregate_functions/aggregate_function_topn.h"
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#include <fmt/format.h>
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#include <glog/logging.h>
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#include "vec/aggregate_functions/helpers.h"
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#include "vec/core/types.h"
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#include "vec/data_types/data_type.h"
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namespace doris::vectorized {
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AggregateFunctionPtr create_aggregate_function_topn(const std::string& name,
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const DataTypes& argument_types,
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const bool result_is_nullable) {
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if (argument_types.size() == 2) {
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return creator_without_type::create<AggregateFunctionTopN<AggregateFunctionTopNImplInt>>(
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argument_types, result_is_nullable);
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} else if (argument_types.size() == 3) {
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return creator_without_type::create<AggregateFunctionTopN<AggregateFunctionTopNImplIntInt>>(
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argument_types, result_is_nullable);
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}
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return nullptr;
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}
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template <template <typename, bool> class AggregateFunctionTemplate, bool has_default_param,
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bool is_weighted>
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AggregateFunctionPtr create_topn_array(const DataTypes& argument_types,
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const bool result_is_nullable) {
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WhichDataType which(remove_nullable(argument_types[0]));
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#define DISPATCH(TYPE) \
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if (which.idx == TypeIndex::TYPE) \
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return creator_without_type::create<AggregateFunctionTopNArray< \
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AggregateFunctionTemplate<TYPE, has_default_param>, TYPE, is_weighted>>( \
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argument_types, result_is_nullable);
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FOR_NUMERIC_TYPES(DISPATCH)
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FOR_DECIMAL_TYPES(DISPATCH)
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#undef DISPATCH
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if (which.is_string_or_fixed_string()) {
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return creator_without_type::create<AggregateFunctionTopNArray<
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AggregateFunctionTemplate<std::string, has_default_param>, std::string,
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is_weighted>>(argument_types, result_is_nullable);
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}
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if (which.is_date_or_datetime()) {
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return creator_without_type::create<AggregateFunctionTopNArray<
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AggregateFunctionTemplate<Int64, has_default_param>, Int64, is_weighted>>(
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argument_types, result_is_nullable);
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}
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if (which.is_date_v2()) {
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return creator_without_type::create<AggregateFunctionTopNArray<
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AggregateFunctionTemplate<UInt32, has_default_param>, UInt32, is_weighted>>(
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argument_types, result_is_nullable);
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}
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if (which.is_date_time_v2()) {
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return creator_without_type::create<AggregateFunctionTopNArray<
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AggregateFunctionTemplate<UInt64, has_default_param>, UInt64, is_weighted>>(
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argument_types, result_is_nullable);
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}
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LOG(WARNING) << fmt::format("Illegal argument type for aggregate function topn_array is: {}",
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remove_nullable(argument_types[0])->get_name());
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return nullptr;
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}
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AggregateFunctionPtr create_aggregate_function_topn_array(const std::string& name,
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const DataTypes& argument_types,
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const bool result_is_nullable) {
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bool has_default_param = (argument_types.size() == 3);
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if (has_default_param) {
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return create_topn_array<AggregateFunctionTopNImplArray, true, false>(argument_types,
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result_is_nullable);
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} else {
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return create_topn_array<AggregateFunctionTopNImplArray, false, false>(argument_types,
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result_is_nullable);
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}
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}
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AggregateFunctionPtr create_aggregate_function_topn_weighted(const std::string& name,
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const DataTypes& argument_types,
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const bool result_is_nullable) {
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bool has_default_param = (argument_types.size() == 4);
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if (has_default_param) {
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return create_topn_array<AggregateFunctionTopNImplWeight, true, true>(argument_types,
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result_is_nullable);
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} else {
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return create_topn_array<AggregateFunctionTopNImplWeight, false, true>(argument_types,
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result_is_nullable);
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}
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}
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void register_aggregate_function_topn(AggregateFunctionSimpleFactory& factory) {
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factory.register_function_both("topn", create_aggregate_function_topn);
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factory.register_function_both("topn_array", create_aggregate_function_topn_array);
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factory.register_function_both("topn_weighted", create_aggregate_function_topn_weighted);
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}
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} // namespace doris::vectorized
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