Coverage Report

Created: 2026-03-15 20:53

next uncovered line (L), next uncovered region (R), next uncovered branch (B)
be/src/exprs/function/function_math_log.h
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// 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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#pragma once
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#include "core/assert_cast.h"
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#include "core/data_type/data_type_number.h"
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#include "core/types.h"
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#include "exprs/function/function.h"
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namespace doris {
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template <typename Impl>
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class FunctionMathLog : public IFunction {
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public:
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    using IFunction::execute;
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    static constexpr auto name = Impl::name;
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    static FunctionPtr create() { return std::make_shared<FunctionMathLog>(); }
_ZN5doris15FunctionMathLogINS_6ImplLnEE6createEv
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    static FunctionPtr create() { return std::make_shared<FunctionMathLog>(); }
_ZN5doris15FunctionMathLogINS_8ImplLog2EE6createEv
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    static FunctionPtr create() { return std::make_shared<FunctionMathLog>(); }
_ZN5doris15FunctionMathLogINS_9ImplLog10EE6createEv
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    static FunctionPtr create() { return std::make_shared<FunctionMathLog>(); }
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private:
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    String get_name() const override { return name; }
_ZNK5doris15FunctionMathLogINS_6ImplLnEE8get_nameB5cxx11Ev
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    String get_name() const override { return name; }
_ZNK5doris15FunctionMathLogINS_8ImplLog2EE8get_nameB5cxx11Ev
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    String get_name() const override { return name; }
_ZNK5doris15FunctionMathLogINS_9ImplLog10EE8get_nameB5cxx11Ev
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    String get_name() const override { return name; }
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    size_t get_number_of_arguments() const override { return 1; }
_ZNK5doris15FunctionMathLogINS_6ImplLnEE23get_number_of_argumentsEv
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    size_t get_number_of_arguments() const override { return 1; }
_ZNK5doris15FunctionMathLogINS_8ImplLog2EE23get_number_of_argumentsEv
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    size_t get_number_of_arguments() const override { return 1; }
_ZNK5doris15FunctionMathLogINS_9ImplLog10EE23get_number_of_argumentsEv
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    size_t get_number_of_arguments() const override { return 1; }
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    DataTypePtr get_return_type_impl(const DataTypes& arguments) const override {
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        return make_nullable(std::make_shared<DataTypeFloat64>());
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    }
_ZNK5doris15FunctionMathLogINS_6ImplLnEE20get_return_type_implERKSt6vectorISt10shared_ptrIKNS_9IDataTypeEESaIS7_EE
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    DataTypePtr get_return_type_impl(const DataTypes& arguments) const override {
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        return make_nullable(std::make_shared<DataTypeFloat64>());
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    }
_ZNK5doris15FunctionMathLogINS_8ImplLog2EE20get_return_type_implERKSt6vectorISt10shared_ptrIKNS_9IDataTypeEESaIS7_EE
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    DataTypePtr get_return_type_impl(const DataTypes& arguments) const override {
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        return make_nullable(std::make_shared<DataTypeFloat64>());
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    }
_ZNK5doris15FunctionMathLogINS_9ImplLog10EE20get_return_type_implERKSt6vectorISt10shared_ptrIKNS_9IDataTypeEESaIS7_EE
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    DataTypePtr get_return_type_impl(const DataTypes& arguments) const override {
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        return make_nullable(std::make_shared<DataTypeFloat64>());
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    }
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    static void execute_in_iterations(const double* src_data, double* dst_data, NullMap& null_map,
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                                      size_t size) {
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        for (size_t i = 0; i < size; i++) {
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            null_map[i] = src_data[i] <= 0;
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            Impl::execute(&src_data[i], &dst_data[i]);
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        }
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    }
_ZN5doris15FunctionMathLogINS_6ImplLnEE21execute_in_iterationsEPKdPdRNS_8PODArrayIhLm4096ENS_9AllocatorILb0ELb0ELb0ENS_22DefaultMemoryAllocatorELb1EEELm16ELm15EEEm
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                                      size_t size) {
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        for (size_t i = 0; i < size; i++) {
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            null_map[i] = src_data[i] <= 0;
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            Impl::execute(&src_data[i], &dst_data[i]);
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        }
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    }
_ZN5doris15FunctionMathLogINS_8ImplLog2EE21execute_in_iterationsEPKdPdRNS_8PODArrayIhLm4096ENS_9AllocatorILb0ELb0ELb0ENS_22DefaultMemoryAllocatorELb1EEELm16ELm15EEEm
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                                      size_t size) {
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        for (size_t i = 0; i < size; i++) {
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            null_map[i] = src_data[i] <= 0;
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            Impl::execute(&src_data[i], &dst_data[i]);
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        }
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    }
_ZN5doris15FunctionMathLogINS_9ImplLog10EE21execute_in_iterationsEPKdPdRNS_8PODArrayIhLm4096ENS_9AllocatorILb0ELb0ELb0ENS_22DefaultMemoryAllocatorELb1EEELm16ELm15EEEm
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                                      size_t size) {
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        for (size_t i = 0; i < size; i++) {
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            null_map[i] = src_data[i] <= 0;
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            Impl::execute(&src_data[i], &dst_data[i]);
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        }
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    }
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    Status execute_impl(FunctionContext* context, Block& block, const ColumnNumbers& arguments,
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                        uint32_t result, size_t input_rows_count) const override {
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        const auto* col =
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                assert_cast<const ColumnFloat64*>(block.get_by_position(arguments[0]).column.get());
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        const auto& src_data = col->get_data();
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        const size_t size = src_data.size();
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        auto dst = ColumnFloat64::create();
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        auto& dst_data = dst->get_data();
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        dst_data.resize(size);
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        auto null_column = ColumnUInt8::create();
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        auto& null_map = null_column->get_data();
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        null_map.resize(size);
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        execute_in_iterations(col->get_data().data(), dst_data.data(), null_map, size);
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        block.replace_by_position(result,
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                                  ColumnNullable::create(std::move(dst), std::move(null_column)));
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        return Status::OK();
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    }
_ZNK5doris15FunctionMathLogINS_6ImplLnEE12execute_implEPNS_15FunctionContextERNS_5BlockERKSt6vectorIjSaIjEEjm
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                        uint32_t result, size_t input_rows_count) const override {
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        const auto* col =
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                assert_cast<const ColumnFloat64*>(block.get_by_position(arguments[0]).column.get());
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        const auto& src_data = col->get_data();
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        const size_t size = src_data.size();
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        auto dst = ColumnFloat64::create();
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        auto& dst_data = dst->get_data();
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        dst_data.resize(size);
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        auto null_column = ColumnUInt8::create();
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        auto& null_map = null_column->get_data();
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        null_map.resize(size);
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        execute_in_iterations(col->get_data().data(), dst_data.data(), null_map, size);
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        block.replace_by_position(result,
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                                  ColumnNullable::create(std::move(dst), std::move(null_column)));
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        return Status::OK();
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    }
_ZNK5doris15FunctionMathLogINS_8ImplLog2EE12execute_implEPNS_15FunctionContextERNS_5BlockERKSt6vectorIjSaIjEEjm
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                        uint32_t result, size_t input_rows_count) const override {
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        const auto* col =
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                assert_cast<const ColumnFloat64*>(block.get_by_position(arguments[0]).column.get());
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        const auto& src_data = col->get_data();
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        const size_t size = src_data.size();
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        auto dst = ColumnFloat64::create();
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        auto& dst_data = dst->get_data();
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        dst_data.resize(size);
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        auto null_column = ColumnUInt8::create();
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        auto& null_map = null_column->get_data();
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        null_map.resize(size);
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        execute_in_iterations(col->get_data().data(), dst_data.data(), null_map, size);
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        block.replace_by_position(result,
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                                  ColumnNullable::create(std::move(dst), std::move(null_column)));
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        return Status::OK();
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    }
_ZNK5doris15FunctionMathLogINS_9ImplLog10EE12execute_implEPNS_15FunctionContextERNS_5BlockERKSt6vectorIjSaIjEEjm
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                        uint32_t result, size_t input_rows_count) const override {
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        const auto* col =
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                assert_cast<const ColumnFloat64*>(block.get_by_position(arguments[0]).column.get());
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        const auto& src_data = col->get_data();
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        const size_t size = src_data.size();
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        auto dst = ColumnFloat64::create();
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        auto& dst_data = dst->get_data();
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        dst_data.resize(size);
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        auto null_column = ColumnUInt8::create();
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        auto& null_map = null_column->get_data();
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        null_map.resize(size);
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        execute_in_iterations(col->get_data().data(), dst_data.data(), null_map, size);
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        block.replace_by_position(result,
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                                  ColumnNullable::create(std::move(dst), std::move(null_column)));
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        return Status::OK();
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    }
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};
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struct ImplLog10 {
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    static constexpr auto name = "log10";
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    static void execute(const double* src, double* dst) { *dst = std::log10(*src); }
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};
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struct ImplLog2 {
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    static constexpr auto name = "log2";
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    static void execute(const double* src, double* dst) { *dst = std::log2(*src); }
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};
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struct ImplLn {
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    static constexpr auto name = "ln";
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    static void execute(const double* src, double* dst) { *dst = std::log(*src); }
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};
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} // namespace doris