be/src/exprs/aggregate/aggregate_function_quantile_state.h

Source
// 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 <memory>
#include <string>

#include "common/compiler_util.h" // IWYU pragma: keep
#include "core/assert_cast.h"
#include "core/column/column_complex.h"
#include "core/column/column_nullable.h"
#include "core/data_type/data_type_quantilestate.h"
#include "core/types.h"
#include "core/value/quantile_state.h"
#include "exprs/aggregate/aggregate_function.h"

namespace doris {
class Arena;
class BufferReadable;
class BufferWritable;
class IColumn;
} // namespace doris

namespace doris {

struct AggregateFunctionQuantileStateUnionOp {
    static constexpr auto name = "quantile_union";

    static void add(QuantileState& res, const double& data, bool& is_first) { res.add_value(data); }

    static void add(QuantileState& res, const QuantileState& data, bool& is_first) {
        if (UNLIKELY(is_first)) {
            res = data;
            is_first = false;
        } else {
            res.merge(data);
        }
    }

    static void merge(QuantileState& res, const QuantileState& data, bool& is_first) {
        if (UNLIKELY(is_first)) {
            res = data;
            is_first = false;
        } else {
            res.merge(data);
        }
    }
};

template <typename Op>
struct AggregateFunctionQuantileStateData {
    using DataType = QuantileState;
    DataType value;
    bool is_first = true;

    template <typename T>
    void add(const T& data) {
        Op::add(value, data, is_first);
    }

    void merge(const DataType& data) { Op::merge(value, data, is_first); }

    void write(BufferWritable& buf) const {
        DataTypeQuantileState::serialize_as_stream(value, buf);
    }

    void read(BufferReadable& buf) { DataTypeQuantileState::deserialize_as_stream(value, buf); }

    void reset() { is_first = true; }

    DataType& get() { return value; }

    const DataType& get() const { return value; }
};

template <bool arg_is_nullable, typename Op>
class AggregateFunctionQuantileStateOp final
        : public IAggregateFunctionDataHelper<
                  AggregateFunctionQuantileStateData<Op>,
                  AggregateFunctionQuantileStateOp<arg_is_nullable, Op>> {
public:
    using ResultDataType = QuantileState;
    using ColVecType = ColumnQuantileState;
    using ColVecResult = ColumnQuantileState;

    String get_name() const override { return Op::name; }

    AggregateFunctionQuantileStateOp(const DataTypes& argument_types_)
            : IAggregateFunctionDataHelper<AggregateFunctionQuantileStateData<Op>,
                                           AggregateFunctionQuantileStateOp<arg_is_nullable, Op>>(
                      argument_types_) {}

    DataTypePtr get_return_type() const override {
        return std::make_shared<DataTypeQuantileState>();
    }

    void add(AggregateDataPtr __restrict place, const IColumn** columns, ssize_t row_num,
             Arena&) const override {
        if constexpr (arg_is_nullable) {
            auto& nullable_column =
                    assert_cast<const ColumnNullable&, TypeCheckOnRelease::DISABLE>(*columns[0]);
            if (!nullable_column.is_null_at(row_num)) {
                const auto& column = assert_cast<const ColVecType&, TypeCheckOnRelease::DISABLE>(
                        nullable_column.get_nested_column());
                this->data(place).add(column.get_data()[row_num]);
            }
        } else {
            const auto& column =
                    assert_cast<const ColVecType&, TypeCheckOnRelease::DISABLE>(*columns[0]);
            this->data(place).add(column.get_data()[row_num]);
        }
    }

    void merge(AggregateDataPtr __restrict place, ConstAggregateDataPtr rhs,
               Arena&) const override {
        this->data(place).merge(this->data(rhs).get());
    }

    void serialize(ConstAggregateDataPtr __restrict place, BufferWritable& buf) const override {
        this->data(place).write(buf);
    }

    void deserialize(AggregateDataPtr __restrict place, BufferReadable& buf,
                     Arena&) const override {
        this->data(place).read(buf);
    }

    void insert_result_into(ConstAggregateDataPtr __restrict place, IColumn& to) const override {
        auto& column = assert_cast<ColVecResult&>(to);
        column.get_data().push_back(this->data(place).get());
    }

    void reset(AggregateDataPtr __restrict place) const override { this->data(place).reset(); }
};

AggregateFunctionPtr create_aggregate_function_quantile_state_union(
        const std::string& name, const DataTypes& argument_types, const DataTypePtr& result_type,
        const bool result_is_nullable, const AggregateFunctionAttr& attr);

} // namespace doris

Line	Count	Source
1		// Licensed to the Apache Software Foundation (ASF) under one
2		// or more contributor license agreements. See the NOTICE file
3		// distributed with this work for additional information
4		// regarding copyright ownership. The ASF licenses this file
5		// to you under the Apache License, Version 2.0 (the
6		// "License"); you may not use this file except in compliance
7		// with the License. You may obtain a copy of the License at
8		//
9		// http://www.apache.org/licenses/LICENSE-2.0
10		//
11		// Unless required by applicable law or agreed to in writing,
12		// software distributed under the License is distributed on an
13		// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
14		// KIND, either express or implied. See the License for the
15		// specific language governing permissions and limitations
16		// under the License.
17
18		#pragma once
19
20		#include <stddef.h>
21
22		#include <memory>
23		#include <string>
24
25		#include "common/compiler_util.h" // IWYU pragma: keep
26		#include "core/assert_cast.h"
27		#include "core/column/column_complex.h"
28		#include "core/column/column_nullable.h"
29		#include "core/data_type/data_type_quantilestate.h"
30		#include "core/types.h"
31		#include "core/value/quantile_state.h"
32		#include "exprs/aggregate/aggregate_function.h"
33
34		namespace doris {
35		class Arena;
36		class BufferReadable;
37		class BufferWritable;
38		class IColumn;
39		} // namespace doris
40
41		namespace doris {
42
43		struct AggregateFunctionQuantileStateUnionOp {
44		static constexpr auto name = "quantile_union";
45
46	0	static void add(QuantileState& res, const double& data, bool& is_first) { res.add_value(data); }
47
48	0	static void add(QuantileState& res, const QuantileState& data, bool& is_first) {
49	0	if (UNLIKELY(is_first)) {
50	0	res = data;
51	0	is_first = false;
52	0	} else {
53	0	res.merge(data);
54	0	}
55	0	}
56
57	0	static void merge(QuantileState& res, const QuantileState& data, bool& is_first) {
58	0	if (UNLIKELY(is_first)) {
59	0	res = data;
60	0	is_first = false;
61	0	} else {
62	0	res.merge(data);
63	0	}
64	0	}
65		};
66
67		template <typename Op>
68		struct AggregateFunctionQuantileStateData {
69		using DataType = QuantileState;
70		DataType value;
71		bool is_first = true;
72
73		template <typename T>
74	0	void add(const T& data) {
75	0	Op::add(value, data, is_first);
76	0	}
77
78	0	void merge(const DataType& data) { Op::merge(value, data, is_first); }
79
80	0	void write(BufferWritable& buf) const {
81	0	DataTypeQuantileState::serialize_as_stream(value, buf);
82	0	}
83
84	0	void read(BufferReadable& buf) { DataTypeQuantileState::deserialize_as_stream(value, buf); }
85
86	0	void reset() { is_first = true; }
87
88		DataType& get() { return value; }
89
90	0	const DataType& get() const { return value; }
91		};
92
93		template <bool arg_is_nullable, typename Op>
94		class AggregateFunctionQuantileStateOp final
95		: public IAggregateFunctionDataHelper<
96		AggregateFunctionQuantileStateData<Op>,
97		AggregateFunctionQuantileStateOp<arg_is_nullable, Op>> {
98		public:
99		using ResultDataType = QuantileState;
100		using ColVecType = ColumnQuantileState;
101		using ColVecResult = ColumnQuantileState;
102
103	0	String get_name() const override { return Op::name; } Unexecuted instantiation: _ZNK5doris32AggregateFunctionQuantileStateOpILb1ENS_37AggregateFunctionQuantileStateUnionOpEE8get_nameB5cxx11Ev Unexecuted instantiation: _ZNK5doris32AggregateFunctionQuantileStateOpILb0ENS_37AggregateFunctionQuantileStateUnionOpEE8get_nameB5cxx11Ev
104
105		AggregateFunctionQuantileStateOp(const DataTypes& argument_types_)
106	0	: IAggregateFunctionDataHelper<AggregateFunctionQuantileStateData<Op>,
107	0	AggregateFunctionQuantileStateOp<arg_is_nullable, Op>>(
108	0	argument_types_) {} Unexecuted instantiation: _ZN5doris32AggregateFunctionQuantileStateOpILb1ENS_37AggregateFunctionQuantileStateUnionOpEEC2ERKSt6vectorISt10shared_ptrIKNS_9IDataTypeEESaIS7_EE Unexecuted instantiation: _ZN5doris32AggregateFunctionQuantileStateOpILb0ENS_37AggregateFunctionQuantileStateUnionOpEEC2ERKSt6vectorISt10shared_ptrIKNS_9IDataTypeEESaIS7_EE
109
110	0	DataTypePtr get_return_type() const override {
111	0	return std::make_shared<DataTypeQuantileState>();
112	0	} Unexecuted instantiation: _ZNK5doris32AggregateFunctionQuantileStateOpILb1ENS_37AggregateFunctionQuantileStateUnionOpEE15get_return_typeEv Unexecuted instantiation: _ZNK5doris32AggregateFunctionQuantileStateOpILb0ENS_37AggregateFunctionQuantileStateUnionOpEE15get_return_typeEv
113
114		void add(AggregateDataPtr __restrict place, const IColumn** columns, ssize_t row_num,
115	0	Arena&) const override {
116	0	if constexpr (arg_is_nullable) {
117	0	auto& nullable_column =
118	0	assert_cast<const ColumnNullable&, TypeCheckOnRelease::DISABLE>(*columns[0]);
119	0	if (!nullable_column.is_null_at(row_num)) {
120	0	const auto& column = assert_cast<const ColVecType&, TypeCheckOnRelease::DISABLE>(
121	0	nullable_column.get_nested_column());
122	0	this->data(place).add(column.get_data()[row_num]);
123	0	}
124	0	} else {
125	0	const auto& column =
126	0	assert_cast<const ColVecType&, TypeCheckOnRelease::DISABLE>(*columns[0]);
127	0	this->data(place).add(column.get_data()[row_num]);
128	0	}
129	0	} Unexecuted instantiation: _ZNK5doris32AggregateFunctionQuantileStateOpILb1ENS_37AggregateFunctionQuantileStateUnionOpEE3addEPcPPKNS_7IColumnElRNS_5ArenaE Unexecuted instantiation: _ZNK5doris32AggregateFunctionQuantileStateOpILb0ENS_37AggregateFunctionQuantileStateUnionOpEE3addEPcPPKNS_7IColumnElRNS_5ArenaE
130
131		void merge(AggregateDataPtr __restrict place, ConstAggregateDataPtr rhs,
132	0	Arena&) const override {
133	0	this->data(place).merge(this->data(rhs).get());
134	0	} Unexecuted instantiation: _ZNK5doris32AggregateFunctionQuantileStateOpILb1ENS_37AggregateFunctionQuantileStateUnionOpEE5mergeEPcPKcRNS_5ArenaE Unexecuted instantiation: _ZNK5doris32AggregateFunctionQuantileStateOpILb0ENS_37AggregateFunctionQuantileStateUnionOpEE5mergeEPcPKcRNS_5ArenaE
135
136	0	void serialize(ConstAggregateDataPtr __restrict place, BufferWritable& buf) const override {
137	0	this->data(place).write(buf);
138	0	} Unexecuted instantiation: _ZNK5doris32AggregateFunctionQuantileStateOpILb1ENS_37AggregateFunctionQuantileStateUnionOpEE9serializeEPKcRNS_14BufferWritableE Unexecuted instantiation: _ZNK5doris32AggregateFunctionQuantileStateOpILb0ENS_37AggregateFunctionQuantileStateUnionOpEE9serializeEPKcRNS_14BufferWritableE
139
140		void deserialize(AggregateDataPtr __restrict place, BufferReadable& buf,
141	0	Arena&) const override {
142	0	this->data(place).read(buf);
143	0	} Unexecuted instantiation: _ZNK5doris32AggregateFunctionQuantileStateOpILb1ENS_37AggregateFunctionQuantileStateUnionOpEE11deserializeEPcRNS_14BufferReadableERNS_5ArenaE Unexecuted instantiation: _ZNK5doris32AggregateFunctionQuantileStateOpILb0ENS_37AggregateFunctionQuantileStateUnionOpEE11deserializeEPcRNS_14BufferReadableERNS_5ArenaE
144
145	0	void insert_result_into(ConstAggregateDataPtr __restrict place, IColumn& to) const override {
146	0	auto& column = assert_cast<ColVecResult&>(to);
147	0	column.get_data().push_back(this->data(place).get());
148	0	} Unexecuted instantiation: _ZNK5doris32AggregateFunctionQuantileStateOpILb1ENS_37AggregateFunctionQuantileStateUnionOpEE18insert_result_intoEPKcRNS_7IColumnE Unexecuted instantiation: _ZNK5doris32AggregateFunctionQuantileStateOpILb0ENS_37AggregateFunctionQuantileStateUnionOpEE18insert_result_intoEPKcRNS_7IColumnE
149
150	0	void reset(AggregateDataPtr __restrict place) const override { this->data(place).reset(); } Unexecuted instantiation: _ZNK5doris32AggregateFunctionQuantileStateOpILb1ENS_37AggregateFunctionQuantileStateUnionOpEE5resetEPc Unexecuted instantiation: _ZNK5doris32AggregateFunctionQuantileStateOpILb0ENS_37AggregateFunctionQuantileStateUnionOpEE5resetEPc
151		};
152
153		AggregateFunctionPtr create_aggregate_function_quantile_state_union(
154		const std::string& name, const DataTypes& argument_types, const DataTypePtr& result_type,
155		const bool result_is_nullable, const AggregateFunctionAttr& attr);
156
157		} // namespace doris

Coverage Report

Created: 2026-04-16 21:18