// 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. #ifndef DORIS_BE_SRC_QUERY_EXPRS_MATH_FUNCTIONS_H #define DORIS_BE_SRC_QUERY_EXPRS_MATH_FUNCTIONS_H #include #include "util/string_parser.hpp" namespace doris { class Expr; struct ExprValue; class TupleRow; class MathFunctions { public: static void init(); static doris_udf::DoubleVal pi(doris_udf::FunctionContext* ctx); static doris_udf::DoubleVal e(doris_udf::FunctionContext* ctx); static doris_udf::DoubleVal abs(doris_udf::FunctionContext*, const doris_udf::DoubleVal&); static doris_udf::FloatVal abs(doris_udf::FunctionContext*, const doris_udf::FloatVal&); static doris_udf::DecimalV2Val abs(doris_udf::FunctionContext*, const doris_udf::DecimalV2Val&); // For integer math, we have to promote ABS() to the next highest integer type because // in two's complement arithmetic, the largest negative value for any bit width is not // representable as a positive value within the same width. For the largest width, we // simply overflow. In the unlikely event a workaround is needed, one can simply cast // to a higher precision decimal type. static doris_udf::LargeIntVal abs(doris_udf::FunctionContext*, const doris_udf::LargeIntVal&); static doris_udf::LargeIntVal abs(doris_udf::FunctionContext*, const doris_udf::BigIntVal&); static doris_udf::BigIntVal abs(doris_udf::FunctionContext*, const doris_udf::IntVal&); static doris_udf::IntVal abs(doris_udf::FunctionContext*, const doris_udf::SmallIntVal&); static doris_udf::SmallIntVal abs(doris_udf::FunctionContext*, const doris_udf::TinyIntVal&); static doris_udf::TinyIntVal sign(doris_udf::FunctionContext* ctx, const doris_udf::DoubleVal& v); static doris_udf::DoubleVal sin(doris_udf::FunctionContext*, const doris_udf::DoubleVal&); static doris_udf::DoubleVal asin(doris_udf::FunctionContext*, const doris_udf::DoubleVal&); static doris_udf::DoubleVal cos(doris_udf::FunctionContext*, const doris_udf::DoubleVal&); static doris_udf::DoubleVal acos(doris_udf::FunctionContext*, const doris_udf::DoubleVal&); static doris_udf::DoubleVal tan(doris_udf::FunctionContext*, const doris_udf::DoubleVal&); static doris_udf::DoubleVal atan(doris_udf::FunctionContext*, const doris_udf::DoubleVal&); static doris_udf::BigIntVal ceil(doris_udf::FunctionContext*, const doris_udf::DoubleVal&); static doris_udf::BigIntVal floor(doris_udf::FunctionContext*, const doris_udf::DoubleVal&); static doris_udf::BigIntVal round(doris_udf::FunctionContext* ctx, const doris_udf::DoubleVal& v); static doris_udf::DoubleVal round_up_to(doris_udf::FunctionContext* ctx, const doris_udf::DoubleVal& v, const doris_udf::IntVal& scale); static doris_udf::DoubleVal truncate(doris_udf::FunctionContext* ctx, const doris_udf::DoubleVal& v, const doris_udf::IntVal& scale); static doris_udf::DoubleVal ln(doris_udf::FunctionContext*, const doris_udf::DoubleVal&); static doris_udf::DoubleVal log(doris_udf::FunctionContext* ctx, const doris_udf::DoubleVal& base, const doris_udf::DoubleVal& v); static doris_udf::DoubleVal log2(doris_udf::FunctionContext* ctx, const doris_udf::DoubleVal& v); static doris_udf::DoubleVal log10(doris_udf::FunctionContext*, const doris_udf::DoubleVal&); static doris_udf::DoubleVal exp(doris_udf::FunctionContext*, const doris_udf::DoubleVal&); static doris_udf::DoubleVal radians(doris_udf::FunctionContext* ctx, const doris_udf::DoubleVal& v); static doris_udf::DoubleVal degrees(doris_udf::FunctionContext* ctx, const doris_udf::DoubleVal& v); static doris_udf::DoubleVal sqrt(doris_udf::FunctionContext*, const doris_udf::DoubleVal&); static doris_udf::DoubleVal pow(doris_udf::FunctionContext* ctx, const doris_udf::DoubleVal& base, const doris_udf::DoubleVal& exp); /// Used for both rand() and rand_seed() static void rand_prepare(doris_udf::FunctionContext*, doris_udf::FunctionContext::FunctionStateScope); static doris_udf::DoubleVal rand(doris_udf::FunctionContext*); static doris_udf::DoubleVal rand_seed(doris_udf::FunctionContext*, const doris_udf::BigIntVal& seed); static void rand_close(FunctionContext* ctx, FunctionContext::FunctionStateScope scope); static doris_udf::StringVal bin(doris_udf::FunctionContext* ctx, const doris_udf::BigIntVal& v); static doris_udf::StringVal hex_int(doris_udf::FunctionContext* ctx, const doris_udf::BigIntVal& v); static doris_udf::StringVal hex_string(doris_udf::FunctionContext* ctx, const doris_udf::StringVal& s); static doris_udf::StringVal unhex(doris_udf::FunctionContext* ctx, const doris_udf::StringVal& s); static doris_udf::StringVal conv_int(doris_udf::FunctionContext* ctx, const doris_udf::BigIntVal& num, const doris_udf::TinyIntVal& src_base, const doris_udf::TinyIntVal& dest_base); static doris_udf::StringVal conv_string(doris_udf::FunctionContext* ctx, const doris_udf::StringVal& num_str, const doris_udf::TinyIntVal& src_base, const doris_udf::TinyIntVal& dest_base); static doris_udf::BigIntVal pmod_bigint(doris_udf::FunctionContext* ctx, const doris_udf::BigIntVal& a, const doris_udf::BigIntVal& b); static doris_udf::DoubleVal pmod_double(doris_udf::FunctionContext* ctx, const doris_udf::DoubleVal& a, const doris_udf::DoubleVal& b); static doris_udf::FloatVal fmod_float(doris_udf::FunctionContext*, const doris_udf::FloatVal&, const doris_udf::FloatVal&); static doris_udf::DoubleVal fmod_double(doris_udf::FunctionContext*, const doris_udf::DoubleVal&, const doris_udf::DoubleVal&); static doris_udf::BigIntVal positive_bigint(doris_udf::FunctionContext* ctx, const doris_udf::BigIntVal& val); static doris_udf::DoubleVal positive_double(doris_udf::FunctionContext* ctx, const doris_udf::DoubleVal& val); static doris_udf::DecimalV2Val positive_decimal(doris_udf::FunctionContext* ctx, const doris_udf::DecimalV2Val& val); static doris_udf::BigIntVal negative_bigint(doris_udf::FunctionContext* ctx, const doris_udf::BigIntVal& val); static doris_udf::DoubleVal negative_double(doris_udf::FunctionContext* ctx, const doris_udf::DoubleVal& val); static doris_udf::DecimalV2Val negative_decimal(doris_udf::FunctionContext* ctx, const doris_udf::DecimalV2Val& val); static doris_udf::TinyIntVal least(doris_udf::FunctionContext* ctx, int num_args, const doris_udf::TinyIntVal* args); static doris_udf::TinyIntVal greatest(doris_udf::FunctionContext* ctx, int num_args, const doris_udf::TinyIntVal* args); static doris_udf::SmallIntVal least(doris_udf::FunctionContext* ctx, int num_args, const doris_udf::SmallIntVal* val); static doris_udf::SmallIntVal greatest(doris_udf::FunctionContext* ctx, int num_args, const doris_udf::SmallIntVal* val); static doris_udf::IntVal least(doris_udf::FunctionContext* ctx, int num_args, const doris_udf::IntVal* val); static doris_udf::IntVal greatest(doris_udf::FunctionContext* ctx, int num_args, const doris_udf::IntVal* val); static doris_udf::BigIntVal least(doris_udf::FunctionContext* ctx, int num_args, const doris_udf::BigIntVal* val); static doris_udf::BigIntVal greatest(doris_udf::FunctionContext* ctx, int num_args, const doris_udf::BigIntVal* val); static doris_udf::LargeIntVal least(doris_udf::FunctionContext* ctx, int num_args, const doris_udf::LargeIntVal* val); static doris_udf::LargeIntVal greatest(doris_udf::FunctionContext* ctx, int num_args, const doris_udf::LargeIntVal* val); static doris_udf::FloatVal least(doris_udf::FunctionContext* ctx, int num_args, const doris_udf::FloatVal* val); static doris_udf::FloatVal greatest(doris_udf::FunctionContext* ctx, int num_args, const doris_udf::FloatVal* val); static doris_udf::DoubleVal least(doris_udf::FunctionContext* ctx, int num_args, const doris_udf::DoubleVal* val); static doris_udf::DoubleVal greatest(doris_udf::FunctionContext* ctx, int num_args, const doris_udf::DoubleVal* val); static doris_udf::StringVal least(doris_udf::FunctionContext* ctx, int num_args, const doris_udf::StringVal* val); static doris_udf::StringVal greatest(doris_udf::FunctionContext* ctx, int num_args, const doris_udf::StringVal* val); static doris_udf::DateTimeVal least(doris_udf::FunctionContext* ctx, int num_args, const doris_udf::DateTimeVal* val); static doris_udf::DateTimeVal greatest(doris_udf::FunctionContext* ctx, int num_args, const doris_udf::DateTimeVal* val); static doris_udf::DecimalV2Val least(doris_udf::FunctionContext* ctx, int num_args, const doris_udf::DecimalV2Val* val); static doris_udf::DecimalV2Val greatest(doris_udf::FunctionContext* ctx, int num_args, const doris_udf::DecimalV2Val* val); static double my_double_round(double value, int64_t dec, bool dec_unsigned, bool truncate); // Converts src_num in decimal to dest_base, // and fills expr_val.string_val with the result. static doris_udf::StringVal decimal_to_base(doris_udf::FunctionContext* ctx, int64_t src_num, int8_t dest_base); // Converts src_num representing a number in src_base but encoded in decimal // into its actual decimal number. // For example, if src_num is 21 and src_base is 5, // then this function sets *result to 2*5^1 + 1*5^0 = 11. // Returns false if overflow occurred, true upon success. static bool decimal_in_base_to_decimal(int64_t src_num, int8_t src_base, int64_t* result); // Helper function used in Conv to implement behavior consistent // with MySQL and Hive in case of numeric overflow during Conv. // Inspects parse_res, and in case of overflow sets num to MAXINT64 if dest_base // is positive, otherwise to -1. // Returns true if no parse_res == PARSE_SUCCESS || parse_res == PARSE_OVERFLOW. // Returns false otherwise, indicating some other error condition. static bool handle_parse_result(int8_t dest_base, int64_t* num, StringParser::ParseResult parse_res); static const int32_t MIN_BASE = 2; static const int32_t MAX_BASE = 36; private: static const char* _s_alphanumeric_chars; }; } // namespace doris #endif