getbit(expr, pos) Returns the value of a bit in a binary representation of an integral numeric. hypot(expr1, expr2) Returns sqrt(expr1 * expr1 + expr2 * expr2). int(expr) Casts the value expr to INTEGER. isnan(expr) Returns true if expr is NaN. ln(expr) Returns the n...
说明:数值指定精度四舍五入 ROUND(number, length, [function]) 参数:length表示小数个数精度 返回类型:同输入参数number的类型 SQUARE# 说明:返回数值的平方 SQUARE(number) SQRT# 说明:返回数值的平方根 SQRT(number) SIGN# 说明:返回参数的符号,的值为负、零或正时,返回结果依次为-1、0或1. 参数: 注意: ...
bash sqrt(9) = 3.0 tan(X: integer | float) -> float Returns the tangent of angle X (expressed in radians). Example: bash tan(0.5) = 0.5463024898437905 tanh(X: integer | float) -> float Returns the hyperbolic tangent of X. Example: ...
解释“incompatible implicit declaration of built-in function”警告的含义 “incompatible implicit declaration of built-in function”警告意味着在代码中使用了某个内置函数,但是没有在代码文件顶部包含相应的头文件来声明这个函数。在C和C++编程中,内置函数如exit、sqrt、strcat等需要在使用前通过包含相应的头文件(如...
Function class:org.apache.hadoop.hive.ql.udf.UDFDayOfWeekFunction type:BUILTIN decode decode(bin, str) - Decode the first argument using the second argument character setPossible options for the character set are 'US-ASCII', 'ISO-8859-1','UTF-8', 'UTF-16BE', 'UTF-16LE', and 'UTF-...
Returns the value of a bit in a binary representation of an integral numeric. hypot(expr1, expr2) Returns sqrt(expr1 * expr1 + expr2 * expr2). int(expr) Casts the value expr to INTEGER. isnan(expr) Returns true if expr is NaN. ln(expr) Returns the natural logarithm (base e) ...
SQRT() Return the square root of the argument ST_Area() Return Polygon or MultiPolygon area ST_AsBinary(), ST_AsWKB() Convert from internal geometry format to WKB ST_AsGeoJSON() Generate GeoJSON object from geometry ST_AsText(), ST_AsWKT() Convert from internal geometry format to...
Math & Trig ABS− Returns the absolute value (i.e. the modulus) of a supplied number. SIGN− Returns the sign (+1, -1 or 0) of a supplied number. SQRT− Returns the positive square root of a given number. MOD− Returns the remainder from a division between two supplied number...
Built-in Function Last Updated:2020-09-25 OverviewThe following types of built-in functions are provided: [String Function](#String Function) [Conditional Function](#Conditional Function) [Type Conversion Function](#Type Conversion Function) [Arithmetic Function](#Arithmetic Function) [Time-rela...
DOUBLE sqrt(DOUBLE a), sqrt(DECIMAL a) It will return the square root of a. Decimal version added in Hive 0.13.0. STRING bin(BIGINT a) It will return the number in binary format. STRING hex(BIGINT h) hex(STRING h) hex(BINARY h) If the argument is an INT or binary, hex returns...